]> git.openstreetmap.org Git - nominatim.git/blob - website/search.php
remove unused columns from word and search_name_* tables
[nominatim.git] / website / search.php
1 <?php
2         @define('CONST_ConnectionBucket_PageType', 'Search');
3
4         require_once(dirname(dirname(__FILE__)).'/lib/init-website.php');
5         require_once(CONST_BasePath.'/lib/log.php');
6
7         ini_set('memory_limit', '200M');
8
9         $oDB =& getDB();
10
11         // Display defaults
12         $fLat = CONST_Default_Lat;
13         $fLon = CONST_Default_Lon;
14         $iZoom = CONST_Default_Zoom;
15         $bBoundingBoxSearch = isset($_GET['bounded'])?(bool)$_GET['bounded']:false;
16         $sOutputFormat = 'html';
17         $aSearchResults = array();
18         $aExcludePlaceIDs = array();
19         $sCountryCodesSQL = false;
20         $sSuggestion = $sSuggestionURL = false;
21         $bDeDupe = isset($_GET['dedupe'])?(bool)$_GET['dedupe']:true;
22         $bReverseInPlan = false;
23         $iFinalLimit = isset($_GET['limit'])?(int)$_GET['limit']:10;
24         $iOffset = isset($_GET['offset'])?(int)$_GET['offset']:0;
25         $iMaxRank = 20;
26         if ($iFinalLimit > 50) $iFinalLimit = 50;
27         $iLimit = $iFinalLimit + min($iFinalLimit, 10);
28         $iMinAddressRank = 0;
29         $iMaxAddressRank = 30;
30         $sAllowedTypesSQLList = false;
31
32         // Format for output
33         if (isset($_GET['format']) && ($_GET['format'] == 'html' || $_GET['format'] == 'xml' || $_GET['format'] == 'json' ||  $_GET['format'] == 'jsonv2'))
34         {
35                 $sOutputFormat = $_GET['format'];
36         }
37
38         // Show / use polygons
39         $bShowPolygons = (boolean)isset($_GET['polygon']) && $_GET['polygon'];
40     if ($sOutputFormat == 'html') {
41                 $bAsText = $bShowPolygons;
42                 $bShowPolygons = false;
43                 $bAsGeoJSON = false;
44                 $bAsKML = false;
45                 $bAsSVG = false;
46         } else {
47                 $bAsGeoJSON = (boolean)isset($_GET['polygon_geojson']) && $_GET['polygon_geojson'];
48                 $bAsKML = (boolean)isset($_GET['polygon_kml']) && $_GET['polygon_kml'];
49                 $bAsSVG = (boolean)isset($_GET['polygon_svg']) && $_GET['polygon_svg'];
50                 $bAsText = (boolean)isset($_GET['polygon_text']) && $_GET['polygon_text'];
51                 if ((($bShowPolygons?1:0)
52                    + ($bAsGeoJSON?1:0)
53                    + ($bAsKML?1:0)
54                    + ($bAsSVG?1:0)
55                    + ($bAsText?1:0)
56                         ) > CONST_PolygonOutput_MaximumTypes) {
57                         if (CONST_PolygonOutput_MaximumTypes) {
58                                 userError("Select only ".CONST_PolygonOutput_MaximumTypes." polgyon output option");
59                         } else {
60                                 userError("Polygon output is disabled");
61                         }
62                         exit;
63                 }
64         }
65
66         // Show address breakdown
67         $bShowAddressDetails = isset($_GET['addressdetails']) && $_GET['addressdetails'];
68
69         // Preferred language   
70         $aLangPrefOrder = getPreferredLanguages();
71         if (isset($aLangPrefOrder['name:de'])) $bReverseInPlan = true;
72         if (isset($aLangPrefOrder['name:ru'])) $bReverseInPlan = true;
73         if (isset($aLangPrefOrder['name:ja'])) $bReverseInPlan = true;
74
75         $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$aLangPrefOrder))."]";
76
77         if (isset($_GET['exclude_place_ids']) && $_GET['exclude_place_ids'])
78         {
79                 foreach(explode(',',$_GET['exclude_place_ids']) as $iExcludedPlaceID)
80                 {
81                         $iExcludedPlaceID = (int)$iExcludedPlaceID;
82                         if ($iExcludedPlaceID) $aExcludePlaceIDs[$iExcludedPlaceID] = $iExcludedPlaceID;
83                 }
84         }
85
86         // Only certain ranks of feature
87         if (isset($_GET['featureType']) && !isset($_GET['featuretype'])) $_GET['featuretype'] = $_GET['featureType'];
88
89         if (isset($_GET['featuretype']))
90         {
91                 switch($_GET['featuretype'])
92                 {
93                 case 'country':
94                         $iMinAddressRank = $iMaxAddressRank = 4;
95                         break;
96                 case 'state':
97                         $iMinAddressRank = $iMaxAddressRank = 8;
98                         break;
99                 case 'city':
100                         $iMinAddressRank = 14;
101                         $iMaxAddressRank = 16;
102                         break;
103                 case 'settlement':
104                         $iMinAddressRank = 8;
105                         $iMaxAddressRank = 20;
106                         break;
107                 }
108         }
109
110         if (isset($_GET['countrycodes']))
111         {
112                 $aCountryCodes = array();
113                 foreach(explode(',',$_GET['countrycodes']) as $sCountryCode)
114                 {
115                         if (preg_match('/^[a-zA-Z][a-zA-Z]$/', $sCountryCode))
116                         {
117                                 $aCountryCodes[] = "'".strtolower($sCountryCode)."'";
118                         }
119                 }
120                 $sCountryCodesSQL = join(',', $aCountryCodes);
121         }
122                 
123         // Search query
124         $sQuery = (isset($_GET['q'])?trim($_GET['q']):'');
125         if (!$sQuery && isset($_SERVER['PATH_INFO']) && $_SERVER['PATH_INFO'][0] == '/')
126         {
127                 $sQuery = substr($_SERVER['PATH_INFO'], 1);
128
129                 // reverse order of '/' separated string
130                 $aPhrases = explode('/', $sQuery);              
131                 $aPhrases = array_reverse($aPhrases); 
132                 $sQuery = join(', ',$aPhrases);
133         }
134
135         function structuredAddressElement(&$aStructuredQuery, &$iMinAddressRank, &$iMaxAddressRank, $aParams, $sKey, $iNewMinAddressRank, $iNewMaxAddressRank)
136         {
137                 if (!isset($_GET[$sKey])) return false;
138                 $sValue = trim($_GET[$sKey]);
139                 if (!$sValue) return false;
140                 $aStructuredQuery[$sKey] = $sValue;
141                 if ($iMinAddressRank == 0 && $iMaxAddressRank == 30) {
142                         $iMinAddressRank = $iNewMinAddressRank;
143                         $iMaxAddressRank = $iNewMaxAddressRank;
144                 }
145                 return true;
146         }
147
148         // Structured query?
149         $aStructuredOptions = array(
150                                 array('amenity', 26, 30),
151                                 array('street', 26, 30),
152                                 array('city', 14, 24),
153                                 array('county', 9, 13),
154                                 array('state', 8, 8),
155                                 array('country', 4, 4),
156                                 array('postalcode', 5, 11),
157                                 );
158         $aStructuredQuery = array();
159         $sAllowedTypesSQLList = '';
160         foreach($aStructuredOptions as $aStructuredOption)
161         {
162                 loadStructuredAddressElement($aStructuredQuery, $iMinAddressRank, $iMaxAddressRank, $_GET, $aStructuredOption[0], $aStructuredOption[1], $aStructuredOption[2]);
163         }
164         if (sizeof($aStructuredQuery) > 0) {
165                 $sQuery = join(', ', $aStructuredQuery);
166                 if ($iMaxAddressRank < 30)
167                 {
168                         $sAllowedTypesSQLList = '(\'place\',\'boundary\')';
169                 }
170         }
171
172         if ($sQuery)
173         {
174                 $hLog = logStart($oDB, 'search', $sQuery, $aLangPrefOrder);
175
176                 // Hack to make it handle "new york, ny" (and variants) correctly
177                 $sQuery = str_ireplace(array('New York, ny','new york, new york', 'New York ny','new york new york'), 'new york city, ny', $sQuery);
178                 if (isset($aLangPrefOrder['name:en']))          
179                 {
180                         $sQuery = preg_replace('/,\s*il\s*(,|$)/',', illinois\1', $sQuery);
181                         $sQuery = preg_replace('/,\s*al\s*(,|$)/',', alabama\1', $sQuery);
182                         $sQuery = preg_replace('/,\s*la\s*(,|$)/',', louisiana\1', $sQuery);
183                 }
184
185                 // If we have a view box create the SQL
186                 // Small is the actual view box, Large is double (on each axis) that 
187                 $sViewboxCentreSQL = $sViewboxSmallSQL = $sViewboxLargeSQL = false;
188                 if (isset($_GET['viewboxlbrt']) && $_GET['viewboxlbrt'])
189                 {
190                         $aCoOrdinatesLBRT = explode(',',$_GET['viewboxlbrt']);
191                         $_GET['viewbox'] = $aCoOrdinatesLBRT[0].','.$aCoOrdinatesLBRT[3].','.$aCoOrdinatesLBRT[2].','.$aCoOrdinatesLBRT[1];
192                 }
193                 if (isset($_GET['viewbox']) && $_GET['viewbox'])
194                 {
195                         $aCoOrdinates = explode(',',$_GET['viewbox']);
196                         $sViewboxSmallSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
197                         $fHeight = $aCoOrdinates[0]-$aCoOrdinates[2];
198                         $fWidth = $aCoOrdinates[1]-$aCoOrdinates[3];
199                         $aCoOrdinates[0] += $fHeight;
200                         $aCoOrdinates[2] -= $fHeight;
201                         $aCoOrdinates[1] += $fWidth;
202                         $aCoOrdinates[3] -= $fWidth;
203                         $sViewboxLargeSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
204                 } else {
205                         $bBoundingBoxSearch = false;
206                 }
207                 if (isset($_GET['route']) && $_GET['route'] && isset($_GET['routewidth']) && $_GET['routewidth'])
208                 {
209                         $aPoints = explode(',',$_GET['route']);
210                         if (sizeof($aPoints) % 2 != 0)
211                         {
212                                 userError("Uneven number of points");
213                                 exit;
214                         }
215                         $sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";
216                         $fPrevCoord = false;
217                         foreach($aPoints as $i => $fPoint)
218                         {
219                                 if ($i%2)
220                                 {
221                                         if ($i != 1) $sViewboxCentreSQL .= ",";
222                                         $sViewboxCentreSQL .= ((float)$fPoint).' '.$fPrevCoord;
223                                 }
224                                 else
225                                 {
226                                         $fPrevCoord = (float)$fPoint;
227                                 }
228                         }
229                         $sViewboxCentreSQL .= ")'::geometry,4326)";
230
231                         $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/69).")";
232                         $sViewboxSmallSQL = $oDB->getOne($sSQL);
233                         if (PEAR::isError($sViewboxSmallSQL))
234                         {
235                                 failInternalError("Could not get small viewbox.", $sSQL, $sViewboxSmallSQL);
236                         }
237                         $sViewboxSmallSQL = "'".$sViewboxSmallSQL."'::geometry";
238
239                         $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/30).")";
240                         $sViewboxLargeSQL = $oDB->getOne($sSQL);
241                         if (PEAR::isError($sViewboxLargeSQL))
242                         {
243                                 failInternalError("Could not get large viewbox.", $sSQL, $sViewboxLargeSQL);
244                         }
245                         $sViewboxLargeSQL = "'".$sViewboxLargeSQL."'::geometry";
246                         $bBoundingBoxSearch = true;
247                 }
248
249                 // Do we have anything that looks like a lat/lon pair?
250                 if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[ ]+([0-9.]+)?[, ]+([EW])[ ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?\\b/', $sQuery, $aData))
251                 {
252                         $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
253                         $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
254                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
255                         {
256                                 $_GET['nearlat'] = $fQueryLat;
257                                 $_GET['nearlon'] = $fQueryLon;
258                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
259                         }
260                 }
261                 elseif (preg_match('/\\b([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([NS])[, ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([EW])\\b/', $sQuery, $aData))
262                 {
263                         $fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
264                         $fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
265                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
266                         {
267                                 $_GET['nearlat'] = $fQueryLat;
268                                 $_GET['nearlon'] = $fQueryLon;
269                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
270                         }
271                 }
272                 elseif (preg_match('/(\\[|^|\\b)(-?[0-9]+[0-9.]*)[, ]+(-?[0-9]+[0-9.]*)(\\]|$|\\b)/', $sQuery, $aData))
273                 {
274                         $fQueryLat = $aData[2];
275                         $fQueryLon = $aData[3];
276                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
277                         {
278                                 $_GET['nearlat'] = $fQueryLat;
279                                 $_GET['nearlon'] = $fQueryLon;
280                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
281                         }
282                 }
283
284                 if ($sQuery || $aStructuredQuery)
285                 {
286                         // Start with a blank search
287                         $aSearches = array(
288                                 array('iSearchRank' => 0, 'iNamePhrase' => -1, 'sCountryCode' => false, 'aName'=>array(), 'aAddress'=>array(), 'aFullNameAddress'=>array(),
289                                         'aNameNonSearch'=>array(), 'aAddressNonSearch'=>array(),
290                                         'sOperator'=>'', 'aFeatureName' => array(), 'sClass'=>'', 'sType'=>'', 'sHouseNumber'=>'', 'fLat'=>'', 'fLon'=>'', 'fRadius'=>'')
291                         );
292
293                         $sNearPointSQL = false;
294                         if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
295                         {
296                                 $sNearPointSQL = "ST_SetSRID(ST_Point(".(float)$_GET['nearlon'].",".$_GET['nearlat']."),4326)";
297                                 $aSearches[0]['fLat'] = (float)$_GET['nearlat'];
298                                 $aSearches[0]['fLon'] = (float)$_GET['nearlon'];
299                                 $aSearches[0]['fRadius'] = 0.1;
300                         }
301
302                         $bSpecialTerms = false;
303                         preg_match_all('/\\[(.*)=(.*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
304                         $aSpecialTerms = array();
305                         foreach($aSpecialTermsRaw as $aSpecialTerm)
306                         {
307                                 $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
308                                 $aSpecialTerms[strtolower($aSpecialTerm[1])] = $aSpecialTerm[2];
309                         }
310
311                         preg_match_all('/\\[([\\w ]*)\\]/u', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
312                         $aSpecialTerms = array();
313                         if (isset($aStructuredQuery['amenity']) && $aStructuredQuery['amenity'])
314                         {
315                                 $aSpecialTermsRaw[] = array('['.$aStructuredQuery['amenity'].']', $aStructuredQuery['amenity']);
316                                 unset($aStructuredQuery['amenity']);
317                         }
318                         foreach($aSpecialTermsRaw as $aSpecialTerm)
319                         {
320                                 $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
321                                 $sToken = $oDB->getOne("select make_standard_name('".$aSpecialTerm[1]."') as string");
322                                 $sSQL = 'select * from (select word_id,word_token, word, class, type, country_code, operator';
323                                 $sSQL .= ' from word where word_token in (\' '.$sToken.'\')) as x where (class is not null and class not in (\'place\')) or country_code is not null';
324                                 if (CONST_Debug) var_Dump($sSQL);
325                                 $aSearchWords = $oDB->getAll($sSQL);
326                                 $aNewSearches = array();
327                                 foreach($aSearches as $aSearch)
328                                 {
329                                         foreach($aSearchWords as $aSearchTerm)
330                                         {
331                                                 $aNewSearch = $aSearch;
332                                                 if ($aSearchTerm['country_code'])
333                                                 {
334                                                         $aNewSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
335                                                         $aNewSearches[] = $aNewSearch;
336                                                         $bSpecialTerms = true;
337                                                 }
338                                                 if ($aSearchTerm['class'])
339                                                 {
340                                                         $aNewSearch['sClass'] = $aSearchTerm['class'];
341                                                         $aNewSearch['sType'] = $aSearchTerm['type'];
342                                                         $aNewSearches[] = $aNewSearch;
343                                                         $bSpecialTerms = true;
344                                                 }
345                                         }
346                                 }
347                                 $aSearches = $aNewSearches;
348                         }
349
350                         // Split query into phrases
351                         // Commas are used to reduce the search space by indicating where phrases split
352                         if (sizeof($aStructuredQuery) > 0)
353                         {
354                                 $aPhrases = $aStructuredQuery;
355                                 $bStructuredPhrases = true;
356                         }
357                         else
358                         {
359                                 $aPhrases = explode(',',$sQuery);
360                                 $bStructuredPhrases = false;
361                         }
362
363
364                         // Convert each phrase to standard form
365                         // Create a list of standard words
366                         // Get all 'sets' of words
367                         // Generate a complete list of all 
368                         $aTokens = array();
369                         foreach($aPhrases as $iPhrase => $sPhrase)
370                         {
371                                 $aPhrase = $oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string");
372                                 if (PEAR::isError($aPhrase))
373                                 {
374                                         userError("Illegal query string (not an UTF-8 string): ".$sPhrase);
375                                         if (CONST_Debug) var_dump($aPhrase);
376                                         exit;
377                                 }
378                                 if (trim($aPhrase['string']))
379                                 {
380                                         $aPhrases[$iPhrase] = $aPhrase;
381                                         $aPhrases[$iPhrase]['words'] = explode(' ',$aPhrases[$iPhrase]['string']);
382                                         $aPhrases[$iPhrase]['wordsets'] = getWordSets($aPhrases[$iPhrase]['words']);
383                                         $aTokens = array_merge($aTokens, getTokensFromSets($aPhrases[$iPhrase]['wordsets']));
384                                 }
385                                 else
386                                 {
387                                         unset($aPhrases[$iPhrase]);
388                                 }
389                         }
390
391                         // reindex phrases - we make assumptions later on
392                         $aPhraseTypes = array_keys($aPhrases);
393                         $aPhrases = array_values($aPhrases);
394
395                         if (sizeof($aTokens))
396                         {
397
398                         // Check which tokens we have, get the ID numbers                       
399                         $sSQL = 'select word_id,word_token, word, class, type, country_code, operator, search_name_count';
400                         $sSQL .= ' from word where word_token in ('.join(',',array_map("getDBQuoted",$aTokens)).')';
401 //                      $sSQL .= ' and search_name_count < '.CONST_Max_Word_Frequency;
402 //                      $sSQL .= ' group by word_token, word, class, type, country_code';
403
404                         if (CONST_Debug) var_Dump($sSQL);
405
406                         $aValidTokens = array();
407                         if (sizeof($aTokens))
408                                 $aDatabaseWords = $oDB->getAll($sSQL);
409                         else
410                                 $aDatabaseWords = array();
411                         if (PEAR::IsError($aDatabaseWords))
412                         {
413                                 failInternalError("Could not get word tokens.", $sSQL, $aDatabaseWords);
414                         }
415                         $aPossibleMainWordIDs = array();
416                         $aWordFrequencyScores = array();
417                         foreach($aDatabaseWords as $aToken)
418                         {
419                                 // Very special case - require 2 letter country param to match the country code found
420                                 if ($bStructuredPhrases && $aToken['country_code'] && !empty($aStructuredQuery['country']) 
421                                   && strlen($aStructuredQuery['country']) == 2 && strtolower($aStructuredQuery['country']) != $aToken['country_code'])
422                                 {
423                                         continue;
424                                 }
425
426                                 if (isset($aValidTokens[$aToken['word_token']]))
427                                 {
428                                         $aValidTokens[$aToken['word_token']][] = $aToken;
429                                 }
430                                 else
431                                 {
432                                         $aValidTokens[$aToken['word_token']] = array($aToken);
433                                 }
434                                 if (!$aToken['class'] && !$aToken['country_code']) $aPossibleMainWordIDs[$aToken['word_id']] = 1;
435                                 $aWordFrequencyScores[$aToken['word_id']] = $aToken['search_name_count'] + 1;
436                         }
437                         if (CONST_Debug) var_Dump($aPhrases, $aValidTokens);
438
439                         $aSuggestion = array();
440                         $bSuggestion = false;
441                         if (CONST_Suggestions_Enabled)
442                         {
443                                 foreach($aPhrases as $iPhrase => $aPhrase)
444                                 {
445                                         if (!isset($aValidTokens[' '.$aPhrase['wordsets'][0][0]]))
446                                         {
447                                                 $sQuotedPhrase = getDBQuoted(' '.$aPhrase['wordsets'][0][0]);
448                                                 $aSuggestionWords = getWordSuggestions($oDB, $aPhrase['wordsets'][0][0]);
449                                                 $aRow = $aSuggestionWords[0];
450                                                 if ($aRow && $aRow['word'])
451                                                 {
452                                                         $aSuggestion[] = $aRow['word'];
453                                                         $bSuggestion = true;
454                                                 }
455                                                 else
456                                                 {
457                                                         $aSuggestion[] = $aPhrase['string'];
458                                                 }
459                                         }
460                                         else
461                                         {
462                                                 $aSuggestion[] = $aPhrase['string'];
463                                         }
464                                 }
465                         }
466                         if ($bSuggestion) $sSuggestion = join(', ',$aSuggestion);
467
468                         // Try and calculate GB postcodes we might be missing
469                         foreach($aTokens as $sToken)
470                         {
471                                 // Source of gb postcodes is now definitive - always use
472                                 if (preg_match('/^([A-Z][A-Z]?[0-9][0-9A-Z]? ?[0-9])([A-Z][A-Z])$/', strtoupper(trim($sToken)), $aData))
473                                 {
474                                         if (substr($aData[1],-2,1) != ' ')
475                                         {
476                                                 $aData[0] = substr($aData[0],0,strlen($aData[1]-1)).' '.substr($aData[0],strlen($aData[1]-1));
477                                                 $aData[1] = substr($aData[1],0,-1).' '.substr($aData[1],-1,1);
478                                         }
479                                         $aGBPostcodeLocation = gbPostcodeCalculate($aData[0], $aData[1], $aData[2], $oDB);
480                                         if ($aGBPostcodeLocation)
481                                         {
482                                                 $aValidTokens[$sToken] = $aGBPostcodeLocation;
483                                         }
484                                 }
485                         }
486
487                         foreach($aTokens as $sToken)
488                         {
489                                 // Unknown single word token with a number - assume it is a house number
490                                 if (!isset($aValidTokens[' '.$sToken]) && strpos($sToken,' ') === false && preg_match('/[0-9]/', $sToken))
491                                 {
492                                         $aValidTokens[' '.$sToken] = array(array('class'=>'place','type'=>'house'));
493                                 }
494                         }
495
496                         // Any words that have failed completely?
497                         // TODO: suggestions
498
499                         // Start the search process
500                         $aResultPlaceIDs = array();
501
502                         /*
503                                 Calculate all searches using aValidTokens i.e.
504
505                                 'Wodsworth Road, Sheffield' =>
506
507                                 Phrase Wordset
508                                 0      0       (wodsworth road)
509                                 0      1       (wodsworth)(road)
510                                 1      0       (sheffield)
511
512                                 Score how good the search is so they can be ordered
513                         */
514                                 foreach($aPhrases as $iPhrase => $sPhrase)
515                                 {
516                                         $aNewPhraseSearches = array();
517                                         if ($bStructuredPhrases) $sPhraseType = $aPhraseTypes[$iPhrase];
518                                         else $sPhraseType = '';
519
520                                         foreach($aPhrases[$iPhrase]['wordsets'] as $aWordset)
521                                         {
522                                                 $aWordsetSearches = $aSearches;
523
524                                                 // Add all words from this wordset
525                                                 foreach($aWordset as $iToken => $sToken)
526                                                 {
527 //echo "<br><b>$sToken</b>";
528                                                         $aNewWordsetSearches = array();
529
530                                                         foreach($aWordsetSearches as $aCurrentSearch)
531                                                         {
532 //echo "<i>";
533 //var_dump($aCurrentSearch);
534 //echo "</i>";
535
536                                                                 // If the token is valid
537                                                                 if (isset($aValidTokens[' '.$sToken]))
538                                                                 {
539                                                                         foreach($aValidTokens[' '.$sToken] as $aSearchTerm)
540                                                                         {
541                                                                                 $aSearch = $aCurrentSearch;
542                                                                                 $aSearch['iSearchRank']++;
543                                                                                 if (($sPhraseType == '' || $sPhraseType == 'country') && !empty($aSearchTerm['country_code']) && $aSearchTerm['country_code'] != '0')
544                                                                                 {
545                                                                                         if ($aSearch['sCountryCode'] === false)
546                                                                                         {
547                                                                                                 $aSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
548                                                                                                 // Country is almost always at the end of the string - increase score for finding it anywhere else (optimisation)
549                                                                                                 // If reverse order is enabled, it may appear at the beginning as well.
550                                                                                                 if (($iToken+1 != sizeof($aWordset) || $iPhrase+1 != sizeof($aPhrases)) &&
551                                                                                                                 (!$bReverseInPlan || $iToken > 0 || $iPhrase > 0))
552                                                                                                 {
553                                                                                                         $aSearch['iSearchRank'] += 5;
554                                                                                                 }
555                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
556                                                                                         }
557                                                                                 }
558                                                                                 elseif (isset($aSearchTerm['lat']) && $aSearchTerm['lat'] !== '' && $aSearchTerm['lat'] !== null)
559                                                                                 {
560                                                                                         if ($aSearch['fLat'] === '')
561                                                                                         {
562                                                                                                 $aSearch['fLat'] = $aSearchTerm['lat'];
563                                                                                                 $aSearch['fLon'] = $aSearchTerm['lon'];
564                                                                                                 $aSearch['fRadius'] = $aSearchTerm['radius'];
565                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
566                                                                                         }
567                                                                                 }
568                                                                                 elseif (($sPhraseType == '' || $sPhraseType == 'street') && $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house')
569                                                                                 {
570                                                                                         if ($aSearch['sHouseNumber'] === '')
571                                                                                         {
572                                                                                                 $aSearch['sHouseNumber'] = $sToken;
573                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
574 /*
575                                                                                                 // Fall back to not searching for this item (better than nothing)
576                                                                                                 $aSearch = $aCurrentSearch;
577                                                                                                 $aSearch['iSearchRank'] += 1;
578                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
579 */
580                                                                                         }
581                                                                                 }
582                                                                                 elseif ($sPhraseType == '' && $aSearchTerm['class'] !== '' && $aSearchTerm['class'] !== null)
583                                                                                 {
584                                                                                         if ($aSearch['sClass'] === '')
585                                                                                         {
586                                                                                                 $aSearch['sOperator'] = $aSearchTerm['operator'];
587                                                                                                 $aSearch['sClass'] = $aSearchTerm['class'];
588                                                                                                 $aSearch['sType'] = $aSearchTerm['type'];
589                                                                                                 if (sizeof($aSearch['aName'])) $aSearch['sOperator'] = 'name';
590                                                                                                 else $aSearch['sOperator'] = 'near'; // near = in for the moment
591
592                                                                                                 // Do we have a shortcut id?
593                                                                                                 if ($aSearch['sOperator'] == 'name')
594                                                                                                 {
595                                                                                                         $sSQL = "select get_tagpair('".$aSearch['sClass']."', '".$aSearch['sType']."')";
596                                                                                                         if ($iAmenityID = $oDB->getOne($sSQL))
597                                                                                                         {
598                                                                                                                 $aValidTokens[$aSearch['sClass'].':'.$aSearch['sType']] = array('word_id' => $iAmenityID);
599                                                                                                                 $aSearch['aName'][$iAmenityID] = $iAmenityID;
600                                                                                                                 $aSearch['sClass'] = '';
601                                                                                                                 $aSearch['sType'] = '';
602                                                                                                         }
603                                                                                                 }
604                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
605                                                                                         }
606                                                                                 }
607                                                                                 elseif (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
608                                                                                 {
609                                                                                         if (sizeof($aSearch['aName']))
610                                                                                         {
611                                                                                                 if ((!$bStructuredPhrases || $iPhrase > 0) && $sPhraseType != 'country' && (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false))
612                                                                                                 {
613                                                                                                         $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
614                                                                                                 }
615                                                                                                 else
616                                                                                                 {
617                                                                                                         $aCurrentSearch['aFullNameAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
618                                                                                                         $aSearch['iSearchRank'] += 1000; // skip;
619                                                                                                 }
620                                                                                         }
621                                                                                         else
622                                                                                         {
623                                                                                                 $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
624 //                                                                                              $aSearch['iNamePhrase'] = $iPhrase;
625                                                                                         }
626                                                                                         if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
627                                                                                 }
628                                                                         }
629                                                                 }
630                                                                 if (isset($aValidTokens[$sToken]))
631                                                                 {
632                                                                         // Allow searching for a word - but at extra cost
633                                                                         foreach($aValidTokens[$sToken] as $aSearchTerm)
634                                                                         {
635                                                                                 if (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
636                                                                                 {
637                                                                                         if ((!$bStructuredPhrases || $iPhrase > 0) && sizeof($aCurrentSearch['aName']) && strlen($sToken) >= 4)
638                                                                                         {
639                                                                                                 $aSearch = $aCurrentSearch;
640                                                                                                 $aSearch['iSearchRank'] += 1;
641                                                                                                 if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency)
642                                                                                                 {
643                                                                                                         $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
644                                                                                                         if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
645                                                                                                 }
646                                                                                                 elseif (isset($aValidTokens[' '.$sToken])) // revert to the token version?
647                                                                                                 {
648                                                                                                         foreach($aValidTokens[' '.$sToken] as $aSearchTermToken)
649                                                                                                         {
650                                                                                                                 if (empty($aSearchTermToken['country_code']) 
651                                                                                                                         && empty($aSearchTermToken['lat'])
652                                                                                                                         && empty($aSearchTermToken['class']))
653                                                                                                                 {
654                                                                                                                         $aSearch = $aCurrentSearch;
655                                                                                                                         $aSearch['iSearchRank'] += 1;
656                                                                                                                         $aSearch['aAddress'][$aSearchTermToken['word_id']] = $aSearchTermToken['word_id'];
657                                                                                                                         if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
658                                                                                                                 }
659                                                                                                         }
660                                                                                                 }
661                                                                                                 else
662                                                                                                 {
663                                                                                                         $aSearch['aAddressNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
664                                                                                                         if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
665                                                                                                 }
666                                                                                         }
667
668                                                                                         if (!sizeof($aCurrentSearch['aName']) || $aCurrentSearch['iNamePhrase'] == $iPhrase)
669                                                                                         {
670                                                                                                 $aSearch = $aCurrentSearch;
671                                                                                                 $aSearch['iSearchRank'] += 2;
672                                                                                                 if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
673                                                                                                 if ($aWordFrequencyScores[$aSearchTerm['word_id']] < CONST_Max_Word_Frequency)
674                                                                                                         $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
675                                                                                                 else
676                                                                                                         $aSearch['aNameNonSearch'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
677                                                                                                 $aSearch['iNamePhrase'] = $iPhrase;
678                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
679                                                                                         }
680                                                                                 }
681                                                                         }
682                                                                 }
683                                                                 else
684                                                                 {
685                                                                         // Allow skipping a word - but at EXTREAM cost
686                                                                         //$aSearch = $aCurrentSearch;
687                                                                         //$aSearch['iSearchRank']+=100;
688                                                                         //$aNewWordsetSearches[] = $aSearch;
689                                                                 }
690                                                         }
691                                                         // Sort and cut
692                                                         usort($aNewWordsetSearches, 'bySearchRank');
693                                                         $aWordsetSearches = array_slice($aNewWordsetSearches, 0, 50);
694                                                 }                                               
695 //                                              var_Dump('<hr>',sizeof($aWordsetSearches)); exit;
696
697                                                 $aNewPhraseSearches = array_merge($aNewPhraseSearches, $aNewWordsetSearches);
698                                                 usort($aNewPhraseSearches, 'bySearchRank');
699
700           $aSearchHash = array();
701           foreach($aNewPhraseSearches as $iSearch => $aSearch)
702           {
703             $sHash = serialize($aSearch);
704             if (isset($aSearchHash[$sHash]))
705             {
706               unset($aNewPhraseSearches[$iSearch]);
707             }
708             else
709             {
710               $aSearchHash[$sHash] = 1;
711             }
712           }
713
714                                                 $aNewPhraseSearches = array_slice($aNewPhraseSearches, 0, 50);
715                                         }
716
717                                         // Re-group the searches by their score, junk anything over 20 as just not worth trying
718                                         $aGroupedSearches = array();
719                                         foreach($aNewPhraseSearches as $aSearch)
720                                         {
721                                                 if ($aSearch['iSearchRank'] < $iMaxRank)
722                                                 {
723                                                         if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
724                                                         $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
725                                                 }
726                                         }
727                                         ksort($aGroupedSearches);
728
729                                         $iSearchCount = 0;
730                                         $aSearches = array();
731                                         foreach($aGroupedSearches as $iScore => $aNewSearches)
732                                         {
733                                                 $iSearchCount += sizeof($aNewSearches);
734                                                 $aSearches = array_merge($aSearches, $aNewSearches);
735                                                 if ($iSearchCount > 50) break;
736                                         }
737
738 //                                      if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
739
740                                 }
741                         }
742                         else
743                         {
744                                         // Re-group the searches by their score, junk anything over 20 as just not worth trying
745                                         $aGroupedSearches = array();
746                                         foreach($aSearches as $aSearch)
747                                         {
748                                                 if ($aSearch['iSearchRank'] < $iMaxRank)
749                                                 {
750                                                         if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
751                                                         $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
752                                                 }
753                                         }
754                                         ksort($aGroupedSearches);
755                         }
756                                 
757                                 if (CONST_Debug) var_Dump($aGroupedSearches);
758
759                                 if ($bReverseInPlan)
760                                 {
761                                         $aCopyGroupedSearches = $aGroupedSearches;
762                                         foreach($aCopyGroupedSearches as $iGroup => $aSearches)
763                                         {
764                                                 foreach($aSearches as $iSearch => $aSearch)
765                                                 {
766                                                         if (sizeof($aSearch['aAddress']))
767                                                         {
768                                                                 $iReverseItem = array_pop($aSearch['aAddress']);
769                                                                 if (isset($aPossibleMainWordIDs[$iReverseItem]))
770                                                                 {
771                                                                         $aSearch['aAddress'] = array_merge($aSearch['aAddress'], $aSearch['aName']);
772                                                                         $aSearch['aName'] = array($iReverseItem);
773                                                                         $aGroupedSearches[$iGroup][] = $aSearch;
774                                                                 }
775 //                                                              $aReverseSearch['aName'][$iReverseItem] = $iReverseItem;
776         //                                                      $aGroupedSearches[$iGroup][] = $aReverseSearch;
777                                                         }
778                                                 }
779                                         }
780                                 }
781
782                                 if (CONST_Search_TryDroppedAddressTerms && sizeof($aStructuredQuery) > 0)
783                                 {
784                                         $aCopyGroupedSearches = $aGroupedSearches;
785                                         foreach($aCopyGroupedSearches as $iGroup => $aSearches)
786                                         {
787                                                 foreach($aSearches as $iSearch => $aSearch)
788                                                 {
789                                                         $aReductionsList = array($aSearch['aAddress']);
790                                                         $iSearchRank = $aSearch['iSearchRank'];
791                                                         while(sizeof($aReductionsList) > 0)
792                                                         {
793                                                                 $iSearchRank += 5;
794                                                                 if ($iSearchRank > iMaxRank) break 3;
795                                                                 $aNewReductionsList = array();
796                                                                 foreach($aReductionsList as $aReductionsWordList)
797                                                                 {
798                                                                         for ($iReductionWord = 0; $iReductionWord < sizeof($aReductionsWordList); $iReductionWord++)
799                                                                         {
800                                                                                 $aReductionsWordListResult = array_merge(array_slice($aReductionsWordList, 0, $iReductionWord), array_slice($aReductionsWordList, $iReductionWord+1));
801                                                                                 $aReverseSearch = $aSearch;
802                                                                                 $aSearch['aAddress'] = $aReductionsWordListResult;
803                                                                                 $aSearch['iSearchRank'] = $iSearchRank;
804                                                                                 $aGroupedSearches[$iSearchRank][] = $aReverseSearch;
805                                                                                 if (sizeof($aReductionsWordListResult) > 0)
806                                                                                 {
807                                                                                         $aNewReductionsList[] = $aReductionsWordListResult;
808                                                                                 }
809                                                                         }
810                                                                 }
811                                                                 $aReductionsList = $aNewReductionsList;
812                                                         }
813                                                 }
814                                         }
815                                         ksort($aGroupedSearches);
816                                 }
817
818                                 // Filter out duplicate searches
819                                 $aSearchHash = array();
820                                 foreach($aGroupedSearches as $iGroup => $aSearches)
821                                 {
822                                         foreach($aSearches as $iSearch => $aSearch)
823                                         {
824                                                 $sHash = serialize($aSearch);
825                                                 if (isset($aSearchHash[$sHash]))
826                                                 {
827                                                         unset($aGroupedSearches[$iGroup][$iSearch]);
828                                                         if (sizeof($aGroupedSearches[$iGroup]) == 0) unset($aGroupedSearches[$iGroup]);
829                                                 }
830                                                 else
831                                                 {
832                                                         $aSearchHash[$sHash] = 1;
833                                                 }
834                                         }
835                                 }
836
837                                 if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
838
839                                 $iGroupLoop = 0;
840                                 $iQueryLoop = 0;
841                                 foreach($aGroupedSearches as $iGroupedRank => $aSearches)
842                                 {
843                                         $iGroupLoop++;
844                                         foreach($aSearches as $aSearch)
845                                         {
846                                                 $iQueryLoop++;
847
848                                                 if (CONST_Debug) { echo "<hr><b>Search Loop, group $iGroupLoop, loop $iQueryLoop</b>"; }
849                                                 if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
850
851
852                                                 // Must have a location term
853                                                 if (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && !$aSearch['fLon'])
854                                                 {
855                                                         if ($aSearch['sCountryCode'] && !$aSearch['sClass'] && !$aSearch['sHouseNumber'])
856                                                         {
857                                                                 if (4 >= $iMinAddressRank && 4 <= $iMaxAddressRank)
858                                                                 {
859                                                                         $sSQL = "select place_id from placex where calculated_country_code='".$aSearch['sCountryCode']."' and rank_search = 4";
860                                                                         if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
861                                                                         $sSQL .= " order by st_area(geometry) desc limit 1";
862                                                                         if (CONST_Debug) var_dump($sSQL);
863                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
864                                                                 }
865                                                         }
866                                                         else
867                                                         {
868                                                                 if (!$bBoundingBoxSearch && !$aSearch['fLon']) continue;
869                                                                 if (!$aSearch['sClass']) continue;
870                                                                 $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
871                                                                 if ($oDB->getOne($sSQL))
872                                                                 {
873                                                                 $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
874                                                                 if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
875                                                                 $sSQL .= " where st_contains($sViewboxSmallSQL, ct.centroid)";
876                                                                 if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
877                                                                 if (sizeof($aExcludePlaceIDs))
878                                                                 {
879                                                                         $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
880                                                                 }
881                                                                 if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
882                                                                 $sSQL .= " limit $iLimit";
883                                                                 if (CONST_Debug) var_dump($sSQL);
884                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
885
886                                                                 // If excluded place IDs are given, it is fair to assume that
887                                                                 // there have been results in the small box, so no further
888                                                                 // expansion in that case.
889                                                                 if (!sizeof($aPlaceIDs) && !sizeof($aExcludePlaceIDs))
890                                                                 {
891                                                                         $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
892                                                                         if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
893                                                                         $sSQL .= " where st_contains($sViewboxLargeSQL, ct.centroid)";
894                                                                         if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
895                                                                         if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
896                                                                         $sSQL .= " limit $iLimit";
897                                                                         if (CONST_Debug) var_dump($sSQL);
898                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
899                                                                 }
900                                                         }
901                                                         else
902                                                         {
903                                                                 $sSQL = "select place_id from placex where class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
904                                                                 $sSQL .= " and st_contains($sViewboxSmallSQL, geometry) and linked_place_id is null";
905                                                                 if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
906                                                                 if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
907                                                                 $sSQL .= " limit $iLimit";
908                                                                 if (CONST_Debug) var_dump($sSQL);
909                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
910                                                         }
911                                                         }
912                                                 }
913                                                 else
914                                                 {
915                                                         $aPlaceIDs = array();
916
917                                                         // First we need a position, either aName or fLat or both
918                                                         $aTerms = array();
919                                                         $aOrder = array();
920
921                                                         // TODO: filter out the pointless search terms (2 letter name tokens and less)
922                                                         // they might be right - but they are just too darned expensive to run
923                                                         if (sizeof($aSearch['aName'])) $aTerms[] = "name_vector @> ARRAY[".join($aSearch['aName'],",")."]";
924                                                         if (sizeof($aSearch['aNameNonSearch'])) $aTerms[] = "array_cat(name_vector,ARRAY[]::integer[]) @> ARRAY[".join($aSearch['aNameNonSearch'],",")."]";
925                                                         if (sizeof($aSearch['aAddress']) && $aSearch['aName'] != $aSearch['aAddress']) 
926                                                         {
927                                                                 // For infrequent name terms disable index usage for address
928                                                                 if (CONST_Search_NameOnlySearchFrequencyThreshold && 
929                                                                         sizeof($aSearch['aName']) == 1 && 
930                                                                         $aWordFrequencyScores[$aSearch['aName'][reset($aSearch['aName'])]] < CONST_Search_NameOnlySearchFrequencyThreshold)
931                                                                 {
932                                                                         $aTerms[] = "array_cat(nameaddress_vector,ARRAY[]::integer[]) @> ARRAY[".join(array_merge($aSearch['aAddress'],$aSearch['aAddressNonSearch']),",")."]";
933                                                                 }
934                                                                 else
935                                                                 {
936                                                                         $aTerms[] = "nameaddress_vector @> ARRAY[".join($aSearch['aAddress'],",")."]";
937                                                                         if (sizeof($aSearch['aAddressNonSearch'])) $aTerms[] = "array_cat(nameaddress_vector,ARRAY[]::integer[]) @> ARRAY[".join($aSearch['aAddressNonSearch'],",")."]";
938                                                                 }
939                                                         }
940                                                         if ($aSearch['sCountryCode']) $aTerms[] = "country_code = '".pg_escape_string($aSearch['sCountryCode'])."'";
941                                                         if ($aSearch['sHouseNumber']) $aTerms[] = "address_rank in (26,27)";
942                                                         if ($aSearch['fLon'] && $aSearch['fLat'])
943                                                         {
944                                                                 $aTerms[] = "ST_DWithin(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326), ".$aSearch['fRadius'].")";
945                                                                 $aOrder[] = "ST_Distance(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326)) ASC";
946                                                         }
947                                                         if (sizeof($aExcludePlaceIDs))
948                                                         {
949                                                                 $aTerms[] = "place_id not in (".join(',',$aExcludePlaceIDs).")";
950                                                         }
951                                                         if ($sCountryCodesSQL)
952                                                         {
953                                                                 $aTerms[] = "country_code in ($sCountryCodesSQL)";
954                                                         }
955
956                                                         if ($bBoundingBoxSearch) $aTerms[] = "centroid && $sViewboxSmallSQL";
957                                                         if ($sNearPointSQL) $aOrder[] = "ST_Distance($sNearPointSQL, centroid) asc";
958
959                                                         $sImportanceSQL = '(case when importance = 0 OR importance IS NULL then 0.75-(search_rank::float/40) else importance end)';
960                                                         if ($sViewboxSmallSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxSmallSQL, centroid) THEN 1 ELSE 0.5 END";
961                                                         if ($sViewboxLargeSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxLargeSQL, centroid) THEN 1 ELSE 0.5 END";
962                                                         $aOrder[] = "$sImportanceSQL DESC";
963                                                         if (sizeof($aSearch['aFullNameAddress']))
964                                                                 $aOrder[] = '(select count(*) from (select unnest(ARRAY['.join($aSearch['aFullNameAddress'],",").']) INTERSECT select unnest(nameaddress_vector))s) DESC';
965
966                                                 
967                                                         if (sizeof($aTerms))
968                                                         {
969                                                                 $sSQL = "select place_id";
970                                                                 $sSQL .= " from search_name";
971                                                                 $sSQL .= " where ".join(' and ',$aTerms);
972                                                                 $sSQL .= " order by ".join(', ',$aOrder);
973                                                                 if ($aSearch['sHouseNumber'] || $aSearch['sClass'])
974                                                                         $sSQL .= " limit 50";
975                                                                 elseif (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && $aSearch['sClass'])
976                                                                         $sSQL .= " limit 1";
977                                                                 else
978                                                                         $sSQL .= " limit ".$iLimit;
979
980                                                                 if (CONST_Debug) { var_dump($sSQL); }
981                                                                 $aViewBoxPlaceIDs = $oDB->getAll($sSQL);
982                                                                 if (PEAR::IsError($aViewBoxPlaceIDs))
983                                                                 {
984                                                                         failInternalError("Could not get places for search terms.", $sSQL, $aViewBoxPlaceIDs);
985                                                                 }
986 //var_dump($aViewBoxPlaceIDs);
987                                                                 // Did we have an viewbox matches?
988                                                                 $aPlaceIDs = array();
989                                                                 $bViewBoxMatch = false;
990                                                                 foreach($aViewBoxPlaceIDs as $aViewBoxRow)
991                                                                 {
992 //                                                                      if ($bViewBoxMatch == 1 && $aViewBoxRow['in_small'] == 'f') break;
993 //                                                                      if ($bViewBoxMatch == 2 && $aViewBoxRow['in_large'] == 'f') break;
994 //                                                                      if ($aViewBoxRow['in_small'] == 't') $bViewBoxMatch = 1;
995 //                                                                      else if ($aViewBoxRow['in_large'] == 't') $bViewBoxMatch = 2;
996                                                                         $aPlaceIDs[] = $aViewBoxRow['place_id'];
997                                                                 }
998                                                         }
999 //var_Dump($aPlaceIDs);
1000 //exit;
1001
1002                                                         if ($aSearch['sHouseNumber'] && sizeof($aPlaceIDs))
1003                                                         {
1004                                                                 $aRoadPlaceIDs = $aPlaceIDs;
1005                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
1006         
1007                                                                 // Now they are indexed look for a house attached to a street we found
1008                                                                 $sHouseNumberRegex = '\\\\m'.str_replace(' ','[-,/ ]',$aSearch['sHouseNumber']).'\\\\M';                                                
1009                                                                 $sSQL = "select place_id from placex where parent_place_id in (".$sPlaceIDs.") and housenumber ~* E'".$sHouseNumberRegex."'";
1010                                                                 if (sizeof($aExcludePlaceIDs))
1011                                                                 {
1012                                                                         $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
1013                                                                 }
1014                                                                 $sSQL .= " limit $iLimit";
1015                                                                 if (CONST_Debug) var_dump($sSQL);
1016                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
1017
1018                                                                 // If not try the aux fallback table
1019                                                                 if (!sizeof($aPlaceIDs))
1020                                                                 {
1021                                                                         $sSQL = "select place_id from location_property_aux where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
1022                                                                         if (sizeof($aExcludePlaceIDs))
1023                                                                         {
1024                                                                                 $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
1025                                                                         }
1026 //                                                                      $sSQL .= " limit $iLimit";
1027                                                                         if (CONST_Debug) var_dump($sSQL);
1028                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
1029                                                                 }
1030
1031                                                                 if (!sizeof($aPlaceIDs))
1032                                                                 {
1033                                                                         $sSQL = "select place_id from location_property_tiger where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
1034                                                                         if (sizeof($aExcludePlaceIDs))
1035                                                                         {
1036                                                                                 $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
1037                                                                         }
1038 //                                                                      $sSQL .= " limit $iLimit";
1039                                                                         if (CONST_Debug) var_dump($sSQL);
1040                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
1041                                                                 }
1042
1043                                                                 // Fallback to the road
1044                                                                 if (!sizeof($aPlaceIDs) && preg_match('/[0-9]+/', $aSearch['sHouseNumber']))
1045                                                                 {
1046                                                                         $aPlaceIDs = $aRoadPlaceIDs;
1047                                                                 }
1048                                                                 
1049                                                         }
1050                                                 
1051                                                         if ($aSearch['sClass'] && sizeof($aPlaceIDs))
1052                                                         {
1053                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
1054
1055                                                                 $aClassPlaceIDs = array();
1056
1057                                                                 if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'name')
1058                                                                 {
1059                                                                         // If they were searching for a named class (i.e. 'Kings Head pub') then we might have an extra match
1060                                                                         $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
1061                                                                         $sSQL .= " and linked_place_id is null";
1062                                                                         if ($sCountryCodesSQL) $sSQL .= " and calculated_country_code in ($sCountryCodesSQL)";
1063                                                                         $sSQL .= " order by rank_search asc limit $iLimit";
1064                                                                         if (CONST_Debug) var_dump($sSQL);
1065                                                                         $aClassPlaceIDs = $oDB->getCol($sSQL);
1066                                                                 }
1067                                                                 
1068                                                                 if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'near') // & in
1069                                                                 {
1070                                                                         $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
1071                                                                         $bCacheTable = $oDB->getOne($sSQL);
1072
1073                                                                         $sSQL = "select min(rank_search) from placex where place_id in ($sPlaceIDs)";
1074
1075                                                                         if (CONST_Debug) var_dump($sSQL);
1076                                                                         $iMaxRank = ((int)$oDB->getOne($sSQL));
1077
1078                                                                         // For state / country level searches the normal radius search doesn't work very well
1079                                                                         $sPlaceGeom = false;
1080                                                                         if ($iMaxRank < 9 && $bCacheTable)
1081                                                                         {
1082                                                                                 // Try and get a polygon to search in instead
1083                                                                                 $sSQL = "select geometry from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank + 5 and st_geometrytype(geometry) in ('ST_Polygon','ST_MultiPolygon') order by rank_search asc limit 1";
1084                                                                                 if (CONST_Debug) var_dump($sSQL);
1085                                                                                 $sPlaceGeom = $oDB->getOne($sSQL);
1086                                                                         }
1087                                                                         
1088                                                                         if ($sPlaceGeom)
1089                                                                         {
1090                                                                                 $sPlaceIDs = false;
1091                                                                         }
1092                                                                         else
1093                                                                         {
1094                                                                                 $iMaxRank += 5;
1095                                                                                 $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
1096                                                                                 if (CONST_Debug) var_dump($sSQL);
1097                                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
1098                                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
1099                                                                         }
1100
1101                                                                         if ($sPlaceIDs || $sPlaceGeom)
1102                                                                         {
1103
1104                                                                         $fRange = 0.01;
1105                                                                         if ($bCacheTable)
1106                                                                         {
1107                                                                                 // More efficient - can make the range bigger
1108                                                                                 $fRange = 0.05;
1109
1110                                                                                 $sOrderBySQL = '';
1111                                                                                 if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.centroid)";
1112                                                                                 else if ($sPlaceIDs) $sOrderBySQL = "ST_Distance(l.centroid, f.geometry)";
1113                                                                                 else if ($sPlaceGeom) $sOrderBysSQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
1114
1115                                                                                 $sSQL = "select distinct l.place_id".($sOrderBySQL?','.$sOrderBySQL:'')." from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." as l";
1116                                                                                 if ($sCountryCodesSQL) $sSQL .= " join placex as lp using (place_id)";
1117                                                                                 if ($sPlaceIDs)
1118                                                                                 {
1119                                                                                         $sSQL .= ",placex as f where ";
1120                                                                                         $sSQL .= "f.place_id in ($sPlaceIDs) and ST_DWithin(l.centroid, f.centroid, $fRange) ";
1121                                                                                 }
1122                                                                                 if ($sPlaceGeom)
1123                                                                                 {
1124                                                                                         $sSQL .= " where ";
1125                                                                                         $sSQL .= "ST_Contains('".$sPlaceGeom."', l.centroid) ";
1126                                                                                 }
1127                                                                                 if (sizeof($aExcludePlaceIDs))
1128                                                                                 {
1129                                                                                         $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
1130                                                                                 }
1131                                                                                 if ($sCountryCodesSQL) $sSQL .= " and lp.calculated_country_code in ($sCountryCodesSQL)";
1132                                                                                 if ($sOrderBySQL) $sSQL .= "order by ".$sOrderBySQL." asc";
1133                                                                                 if ($iOffset) $sSQL .= " offset $iOffset";
1134                                                                                 $sSQL .= " limit $iLimit";
1135                                                                                 if (CONST_Debug) var_dump($sSQL);
1136                                                                                 $aClassPlaceIDs = array_merge($aClassPlaceIDs, $oDB->getCol($sSQL));
1137                                                                         }
1138                                                                         else
1139                                                                         {
1140                                                                                 if (isset($aSearch['fRadius']) && $aSearch['fRadius']) $fRange = $aSearch['fRadius'];
1141
1142                                                                                 $sOrderBySQL = '';
1143                                                                                 if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.geometry)";
1144                                                                                 else $sOrderBySQL = "ST_Distance(l.geometry, f.geometry)";
1145
1146                                                                                 $sSQL = "select distinct l.place_id".($sOrderBysSQL?','.$sOrderBysSQL:'')." from placex as l,placex as f where ";
1147                                                                                 $sSQL .= "f.place_id in ( $sPlaceIDs) and ST_DWithin(l.geometry, f.centroid, $fRange) ";
1148                                                                                 $sSQL .= "and l.class='".$aSearch['sClass']."' and l.type='".$aSearch['sType']."' ";
1149                                                                                 if (sizeof($aExcludePlaceIDs))
1150                                                                                 {
1151                                                                                         $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
1152                                                                                 }
1153                                                                                 if ($sCountryCodesSQL) $sSQL .= " and l.calculated_country_code in ($sCountryCodesSQL)";                                                                
1154                                                                                 if ($sOrderBy) $sSQL .= "order by ".$OrderBysSQL." asc";
1155                                                                                 if ($iOffset) $sSQL .= " offset $iOffset";
1156                                                                                 $sSQL .= " limit $iLimit";
1157                                                                                 if (CONST_Debug) var_dump($sSQL);
1158                                                                                 $aClassPlaceIDs = array_merge($aClassPlaceIDs, $oDB->getCol($sSQL));
1159                                                                         }
1160                                                                         }
1161                                                                 }
1162
1163                                                                 $aPlaceIDs = $aClassPlaceIDs;
1164
1165                                                         }
1166                                                 
1167                                                 }
1168
1169                                                 if (PEAR::IsError($aPlaceIDs))
1170                                                 {
1171                                                         failInternalError("Could not get place IDs from tokens." ,$sSQL, $aPlaceIDs);
1172                                                 }
1173
1174                                                 if (CONST_Debug) { echo "<br><b>Place IDs:</b> "; var_Dump($aPlaceIDs); }
1175
1176                                                 foreach($aPlaceIDs as $iPlaceID)
1177                                                 {
1178                                                         $aResultPlaceIDs[$iPlaceID] = $iPlaceID;
1179                                                 }
1180                                                 if ($iQueryLoop > 20) break;
1181                                         }
1182
1183                                         //exit;
1184                                         if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs)) break;
1185                                         if ($iGroupLoop > 4) break;
1186                                         if ($iQueryLoop > 30) break;
1187                                 }
1188
1189                                 // Did we find anything?        
1190                                 if (isset($aResultPlaceIDs) && sizeof($aResultPlaceIDs))
1191                                 {
1192 //var_Dump($aResultPlaceIDs);exit;
1193                                         // Get the details for display (is this a redundant extra step?)
1194                                         $sPlaceIDs = join(',',$aResultPlaceIDs);
1195                                         $sOrderSQL = 'CASE ';
1196                                         foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
1197                                         {
1198                                                 $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
1199                                         }
1200                                         $sOrderSQL .= ' ELSE 10000000 END';
1201                                         $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,calculated_country_code as country_code,";
1202                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1203                                         $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
1204                                         $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
1205                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1206 //                                      $sSQL .= $sOrderSQL." as porder, ";
1207                                         $sSQL .= "coalesce(importance,0.75-(rank_search::float/40)) as importance, ";
1208                                         $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(placex.place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
1209                                         $sSQL .= "(extratags->'place') as extra_place ";
1210                                         $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
1211                                         $sSQL .= "and (placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
1212                                         if (14 >= $iMinAddressRank && 14 <= $iMaxAddressRank) $sSQL .= " OR (extratags->'place') = 'city'";
1213                                         $sSQL .= ") ";
1214                                         if ($sAllowedTypesSQLList) $sSQL .= "and placex.class in $sAllowedTypesSQLList ";
1215                                         $sSQL .= "and linked_place_id is null ";
1216                                         $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,calculated_country_code,importance";
1217                                         if (!$bDeDupe) $sSQL .= ",place_id";
1218                                         $sSQL .= ",langaddress ";
1219                                         $sSQL .= ",placename ";
1220                                         $sSQL .= ",ref ";
1221                                         $sSQL .= ",extratags->'place' ";
1222                                         $sSQL .= " union ";
1223                                         $sSQL .= "select 'T' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id,'us' as country_code,";
1224                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1225                                         $sSQL .= "null as placename,";
1226                                         $sSQL .= "null as ref,";
1227                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1228 //                                      $sSQL .= $sOrderSQL." as porder, ";
1229                                         $sSQL .= "-0.15 as importance, ";
1230                                         $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(location_property_tiger.place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
1231                                         $sSQL .= "null as extra_place ";
1232                                         $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
1233                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1234                                         $sSQL .= "group by place_id";
1235                                         if (!$bDeDupe) $sSQL .= ",place_id";
1236                                         $sSQL .= " union ";
1237                                         $sSQL .= "select 'L' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id,'us' as country_code,";
1238                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1239                                         $sSQL .= "null as placename,";
1240                                         $sSQL .= "null as ref,";
1241                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1242 //                                      $sSQL .= $sOrderSQL." as porder, ";
1243                                         $sSQL .= "-0.10 as importance, ";
1244                                         $sSQL .= "(select max(p.importance*(p.rank_address+2)) from place_addressline s, placex p where s.place_id = min(location_property_aux.place_id) and p.place_id = s.address_place_id and s.isaddress and p.importance is not null) as addressimportance, ";
1245                                         $sSQL .= "null as extra_place ";
1246                                         $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
1247                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1248                                         $sSQL .= "group by place_id";
1249                                         if (!$bDeDupe) $sSQL .= ",place_id";
1250                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1251                                         $sSQL .= "order by importance desc";
1252 //                                      $sSQL .= "order by rank_search,rank_address,porder asc";
1253                                         if (CONST_Debug) { echo "<hr>"; var_dump($sSQL); }
1254                                         $aSearchResults = $oDB->getAll($sSQL);
1255 //var_dump($sSQL,$aSearchResults);exit;
1256
1257                                         if (PEAR::IsError($aSearchResults))
1258                                         {
1259                                                 failInternalError("Could not get details for place.", $sSQL, $aSearchResults);
1260                                         }
1261                                 }
1262                         } // end if ($sQuery)
1263                         else
1264                         {
1265                                 if (isset($_GET['nearlat']) && trim($_GET['nearlat'])!=='' && isset($_GET['nearlon']) && trim($_GET['nearlon']) !== '')
1266                                 {
1267                                         $iPlaceID = geocodeReverse($_GET['nearlat'], $_GET['nearlon']);
1268                                         $aResultPlaceIDs = array($iPlaceID);
1269
1270                                         // TODO: this needs refactoring!
1271
1272                                         // Get the details for display (is this a redundant extra step?)
1273                                         $sPlaceIDs = join(',',$aResultPlaceIDs);
1274                                         $sOrderSQL = 'CASE ';
1275                                         foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
1276                                         {
1277                                                 $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
1278                                         }
1279                                         $sOrderSQL .= ' ELSE 10000000 END';
1280                                         $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,calculated_country_code as country_code,";
1281                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1282                                         $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
1283                                         $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
1284                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1285 //                                      $sSQL .= $sOrderSQL." as porder, ";
1286                                         $sSQL .= "coalesce(importance,0.75-(rank_search::float/40)) as importance, ";
1287                                         $sSQL .= "(extratags->'place') as extra_place ";
1288                                         $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
1289                                         $sSQL .= "and (placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
1290                                         if (14 >= $iMinAddressRank && 14 <= $iMaxAddressRank) $sSQL .= " OR (extratags->'place') = 'city'";
1291                                         $sSQL .= ") ";
1292                                         $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,calculated_country_code,importance";
1293                                         if (!$bDeDupe) $sSQL .= ",place_id";
1294                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1295                                         $sSQL .= ",get_name_by_language(name, $sLanguagePrefArraySQL) ";
1296                                         $sSQL .= ",get_name_by_language(name, ARRAY['ref']) ";
1297                                         $sSQL .= ",extratags->'place' ";
1298                                         $sSQL .= " union ";
1299                                         $sSQL .= "select 'T' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id,'us' as country_code,";
1300                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1301                                         $sSQL .= "null as placename,";
1302                                         $sSQL .= "null as ref,";
1303                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1304 //                                      $sSQL .= $sOrderSQL." as porder, ";
1305                                         $sSQL .= "-0.15 as importance, ";
1306                                         $sSQL .= "null as extra_place ";
1307                                         $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
1308                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1309                                         $sSQL .= "group by place_id";
1310                                         if (!$bDeDupe) $sSQL .= ",place_id";
1311                                         $sSQL .= " union ";
1312                                         $sSQL .= "select 'L' as osm_type,place_id as osm_id,'place' as class,'house' as type,null as admin_level,30 as rank_search,30 as rank_address,min(place_id) as place_id,'us' as country_code,";
1313                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1314                                         $sSQL .= "null as placename,";
1315                                         $sSQL .= "null as ref,";
1316                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1317 //                                      $sSQL .= $sOrderSQL." as porder, ";
1318                                         $sSQL .= "-0.10 as importance, ";
1319                                         $sSQL .= "null as extra_place ";
1320                                         $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
1321                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1322                                         $sSQL .= "group by place_id";
1323                                         if (!$bDeDupe) $sSQL .= ",place_id";
1324                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1325                                         $sSQL .= "order by importance desc";
1326 //                                      $sSQL .= "order by rank_search,rank_address,porder asc";
1327                                         if (CONST_Debug) { echo "<hr>", var_dump($sSQL); }
1328                                         $aSearchResults = $oDB->getAll($sSQL);
1329 //var_dump($sSQL,$aSearchResults);exit;
1330
1331                                         if (PEAR::IsError($aSearchResults))
1332                                         {
1333                         failInternalError("Could not get details for place (near).", $sSQL, $aSearchResults);
1334                                         }
1335                                 }
1336                         }
1337                 }
1338         
1339         $sSearchResult = '';
1340         if (!sizeof($aSearchResults) && isset($_GET['q']) && $_GET['q'])
1341         {
1342                 $sSearchResult = 'No Results Found';
1343         }
1344 //var_Dump($aSearchResults);
1345 //exit;
1346         $aClassType = getClassTypesWithImportance();
1347         $aRecheckWords = preg_split('/\b/u',$sQuery);
1348         foreach($aRecheckWords as $i => $sWord)
1349         {
1350                 if (!$sWord) unset($aRecheckWords[$i]);
1351         }
1352         foreach($aSearchResults as $iResNum => $aResult)
1353         {
1354                 if (CONST_Search_AreaPolygons)
1355                 {
1356                         // Get the bounding box and outline polygon
1357                         $sSQL = "select place_id,numfeatures,area,outline,";
1358                         $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),2)) as maxlat,";
1359                         $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),3)) as maxlon,";
1360                         $sSQL .= "ST_AsText(outline) as outlinestring from get_place_boundingbox_quick(".$aResult['place_id'].")";
1361
1362                         $sSQL = "select place_id,0 as numfeatures,st_area(geometry) as area,";
1363                         $sSQL .= "ST_Y(centroid) as centrelat,ST_X(centroid) as centrelon,";
1364                         $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),2)) as maxlat,";
1365                         $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),3)) as maxlon";
1366                         if ($bAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
1367                         if ($bAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
1368                         if ($bAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
1369                         if ($bAsText || $bShowPolygons) $sSQL .= ",ST_AsText(geometry) as astext";
1370                         $sSQL .= " from placex where place_id = ".$aResult['place_id'].' and st_geometrytype(Box2D(geometry)) = \'ST_Polygon\'';
1371                         $aPointPolygon = $oDB->getRow($sSQL);
1372                         if (PEAR::IsError($aPointPolygon))
1373                         {
1374                                 failInternalError("Could not get outline.", $sSQL, $aPointPolygon);
1375                         }
1376                         if ($aPointPolygon['place_id'])
1377                         {
1378                                 if ($bAsGeoJSON) $aResult['asgeojson'] = $aPointPolygon['asgeojson'];
1379                                 if ($bAsKML) $aResult['askml'] = $aPointPolygon['askml'];
1380                                 if ($bAsSVG) $aResult['assvg'] = $aPointPolygon['assvg'];
1381                                 if ($bAsText) $aResult['astext'] = $aPointPolygon['astext'];
1382
1383                                 if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null ) {
1384                                         $aResult['lat'] = $aPointPolygon['centrelat'];
1385                                         $aResult['lon'] = $aPointPolygon['centrelon'];
1386                                 }
1387                                 if ($bShowPolygons) 
1388                                 {
1389                                         // Translate geometary string to point array
1390                                         if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))
1391                                         {
1392                                                 preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
1393                                         }
1394                                         elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#',$aPointPolygon['astext'],$aMatch))
1395                                         {
1396                                                 preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
1397                                         }
1398                                         elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['astext'],$aMatch))
1399                                         {
1400                                                 $fRadius = 0.01;
1401                                                 $iSteps = ($fRadius * 40000)^2;
1402                                                 $fStepSize = (2*pi())/$iSteps;
1403                                                 $aPolyPoints = array();
1404                                                 for($f = 0; $f < 2*pi(); $f += $fStepSize)
1405                                                 {
1406                                                         $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
1407                                                 }
1408                                                 $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
1409                                                 $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
1410                                                 $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
1411                                                 $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
1412                                         }
1413                                 }
1414
1415                                 // Output data suitable for display (points and a bounding box)
1416                                 if ($bShowPolygons && isset($aPolyPoints))
1417                                 {
1418                                         $aResult['aPolyPoints'] = array();
1419                                         foreach($aPolyPoints as $aPoint)
1420                                         {
1421                                                 $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
1422                                         }
1423                                 }
1424                                 $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
1425                         }
1426                 }
1427
1428                 if ($aResult['extra_place'] == 'city')
1429                 {
1430                         $aResult['class'] = 'place';
1431                         $aResult['type'] = 'city';
1432                         $aResult['rank_search'] = 16;
1433                 }
1434
1435                 if (!isset($aResult['aBoundingBox']))
1436                 {
1437                         // Default
1438                         $fDiameter = 0.0001;
1439
1440                         if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter']) 
1441                                         && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
1442                         {
1443                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defzoom'];
1444                         }
1445                         elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter']) 
1446                                         && $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
1447                         {
1448                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'];
1449                         }
1450                         $fRadius = $fDiameter / 2;
1451
1452                         $iSteps = max(8,min(100,$fRadius * 3.14 * 100000));
1453                         $fStepSize = (2*pi())/$iSteps;
1454                         $aPolyPoints = array();
1455                         for($f = 0; $f < 2*pi(); $f += $fStepSize)
1456                         {
1457                                 $aPolyPoints[] = array('',$aResult['lon']+($fRadius*sin($f)),$aResult['lat']+($fRadius*cos($f)));
1458                         }
1459                         $aPointPolygon['minlat'] = $aResult['lat'] - $fRadius;
1460                         $aPointPolygon['maxlat'] = $aResult['lat'] + $fRadius;
1461                         $aPointPolygon['minlon'] = $aResult['lon'] - $fRadius;
1462                         $aPointPolygon['maxlon'] = $aResult['lon'] + $fRadius;
1463
1464                         // Output data suitable for display (points and a bounding box)
1465                         if ($bShowPolygons)
1466                         {
1467                                 $aResult['aPolyPoints'] = array();
1468                                 foreach($aPolyPoints as $aPoint)
1469                                 {
1470                                         $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
1471                                 }
1472                         }
1473                         $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
1474                 }
1475
1476                 // Is there an icon set for this type of result?
1477                 if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['icon']) 
1478                         && $aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
1479                 {
1480                         $aResult['icon'] = CONST_Website_BaseURL.'images/mapicons/'.$aClassType[$aResult['class'].':'.$aResult['type']]['icon'].'.p.20.png';
1481                 }
1482
1483                 if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['label']) 
1484                         && $aClassType[$aResult['class'].':'.$aResult['type']]['label'])
1485                 {
1486                         $aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type']]['label'];
1487                 }
1488
1489                 if ($bShowAddressDetails)
1490                 {
1491                         $aResult['address'] = getAddressDetails($oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code']);
1492                         if ($aResult['extra_place'] == 'city' && !isset($aResult['address']['city']))
1493                         {
1494                                 $aResult['address'] = array_merge(array('city' => array_shift(array_values($aResult['address']))), $aResult['address']);
1495                         }
1496
1497 //var_dump($aResult['address']);
1498 //exit;
1499                 }
1500
1501                 // Adjust importance for the number of exact string matches in the result
1502                 $aResult['importance'] = max(0.001,$aResult['importance']);
1503                 $iCountWords = 0;
1504                 $sAddress = $aResult['langaddress'];
1505                 foreach($aRecheckWords as $i => $sWord)
1506                 {
1507                         if (stripos($sAddress, $sWord)!==false) $iCountWords++;
1508                 }
1509
1510                 $aResult['importance'] = $aResult['importance'] + ($iCountWords*0.1); // 0.1 is a completely arbitrary number but something in the range 0.1 to 0.5 would seem right
1511
1512 //if (CONST_Debug) var_dump($aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']);
1513 /*
1514                 if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance']) 
1515                         && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'])
1516                 {
1517                         $aResult['importance'] = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'];
1518                 }
1519                 elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance']) 
1520                         && $aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
1521                 {
1522                         $aResult['importance'] = $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];
1523                 }
1524                 else
1525                 {
1526                         $aResult['importance'] = 1000000000000000;
1527                 }
1528 */
1529                 $aResult['name'] = $aResult['langaddress'];
1530                 $aResult['foundorder'] = -$aResult['addressimportance'];
1531                 $aSearchResults[$iResNum] = $aResult;
1532         }
1533         uasort($aSearchResults, 'byImportance');
1534
1535         $aOSMIDDone = array();
1536         $aClassTypeNameDone = array();
1537         $aToFilter = $aSearchResults;
1538         $aSearchResults = array();
1539
1540         $bFirst = true;
1541         foreach($aToFilter as $iResNum => $aResult)
1542         {
1543                 if ($aResult['type'] == 'adminitrative') $aResult['type'] = 'administrative';
1544                 $aExcludePlaceIDs[$aResult['place_id']] = $aResult['place_id'];
1545                 if ($bFirst)
1546                 {
1547                         $fLat = $aResult['lat'];
1548                         $fLon = $aResult['lon'];
1549                         if (isset($aResult['zoom'])) $iZoom = $aResult['zoom'];
1550                         $bFirst = false;
1551                 }
1552                 if (!$bDeDupe || (!isset($aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']])
1553                         && !isset($aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['type'].$aResult['name'].$aResult['admin_level']])))
1554                 {
1555                         $aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']] = true;
1556                         $aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['type'].$aResult['name'].$aResult['admin_level']] = true;
1557                         $aSearchResults[] = $aResult;
1558                 }
1559
1560                 // Absolute limit on number of results
1561                 if (sizeof($aSearchResults) >= $iFinalLimit) break;
1562         }
1563
1564         $sDataDate = $oDB->getOne("select TO_CHAR(lastimportdate - '2 minutes'::interval,'YYYY/MM/DD HH24:MI')||' GMT' from import_status limit 1");
1565
1566         if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
1567         {
1568                 $sQuery .= ' ['.$_GET['nearlat'].','.$_GET['nearlon'].']';
1569         }
1570
1571         if ($sQuery)
1572         {
1573                 logEnd($oDB, $hLog, sizeof($aToFilter));
1574         }
1575         $sMoreURL = CONST_Website_BaseURL.'search?format='.urlencode($sOutputFormat).'&exclude_place_ids='.join(',',$aExcludePlaceIDs);
1576         if (isset($_SERVER["HTTP_ACCEPT_LANGUAGE"])) $sMoreURL .= '&accept-language='.$_SERVER["HTTP_ACCEPT_LANGUAGE"];
1577         if ($bShowPolygons) $sMoreURL .= '&polygon=1';
1578         if ($bShowAddressDetails) $sMoreURL .= '&addressdetails=1';
1579         if (isset($_GET['viewbox']) && $_GET['viewbox']) $sMoreURL .= '&viewbox='.urlencode($_GET['viewbox']);
1580         if (isset($_GET['nearlat']) && isset($_GET['nearlon'])) $sMoreURL .= '&nearlat='.(float)$_GET['nearlat'].'&nearlon='.(float)$_GET['nearlon'];
1581         if ($sSuggestion)
1582         {
1583                 $sSuggestionURL = $sMoreURL.'&q='.urlencode($sSuggestion);
1584         }
1585         $sMoreURL .= '&q='.urlencode($sQuery);
1586
1587         if (CONST_Debug) exit;
1588
1589         include(CONST_BasePath.'/lib/template/search-'.$sOutputFormat.'.php');