website/search.php

   1 <?php
   2         require_once(dirname(dirname(__FILE__)).'/lib/init-website.php');
   3         require_once(CONST_BasePath.'/lib/log.php');
   4
   5         ini_set('memory_limit', '200M');
   6         $oDB =& getDB();
   7
   8         // Display defaults
   9         $fLat = CONST_Default_Lat;
  10         $fLon = CONST_Default_Lon;
  11         $iZoom = CONST_Default_Zoom;
  12         $bBoundingBoxSearch = isset($_GET['bounded'])?(bool)$_GET['bounded']:false;
  13         $sOutputFormat = 'html';
  14         $aSearchResults = array();
  15         $aExcludePlaceIDs = array();
  16         $sCountryCodesSQL = false;
  17         $sSuggestion = $sSuggestionURL = false;
  18         $bDeDupe = isset($_GET['dedupe'])?(bool)$_GET['dedupe']:true;
  19         $bReverseInPlan = false;
  20         $iLimit = isset($_GET['limit'])?(int)$_GET['limit']:10;
  21         $iOffset = isset($_GET['offset'])?(int)$_GET['offset']:0;
  22         $iMaxRank = 20;
  23         if ($iLimit > 100) $iLimit = 100;
  24         $iMinAddressRank = 0;
  25         $iMaxAddressRank = 30;
  26
  27         // Format for output
  28         if (isset($_GET['format']) && ($_GET['format'] == 'html' || $_GET['format'] == 'xml' || $_GET['format'] == 'json' ||  $_GET['format'] == 'jsonv2'))
  29         {
  30                 $sOutputFormat = $_GET['format'];
  31         }
  32
  33         // Show / use polygons
  34         $bShowPolygons = (boolean)isset($_GET['polygon']) && $_GET['polygon'];
  35         $bAsGeoJSON = (boolean)isset($_GET['polygon_geojson']) && $_GET['polygon_geojson'];
  36         $bAsKML = (boolean)isset($_GET['polygon_kml']) && $_GET['polygon_kml'];
  37         $bAsSVG = (boolean)isset($_GET['polygon_svg']) && $_GET['polygon_svg'];
  38         $bAsText = (boolean)isset($_GET['polygon_text']) && $_GET['polygon_text'];
  39         if ((($bShowPolygons?1:0)
  40            + ($bAsGeoJSON?1:0)
  41            + ($bAsKML?1:0)
  42            + ($bAsSVG?1:0)
  43            + ($bAsTEXT?1:0)
  44                 ) > 1) {
  45                 echo "Select only one polgyon output option";
  46                 exit;
  47         }
  48
  49         // Show address breakdown
  50         $bShowAddressDetails = isset($_GET['addressdetails']) && $_GET['addressdetails'];
  51
  52         // Preferred language
  53         $aLangPrefOrder = getPreferredLanguages();
  54         if (isset($aLangPrefOrder['name:de'])) $bReverseInPlan = true;
  55         if (isset($aLangPrefOrder['name:ru'])) $bReverseInPlan = true;
  56         if (isset($aLangPrefOrder['name:ja'])) $bReverseInPlan = true;
  57
  58         $sLanguagePrefArraySQL = "ARRAY[".join(',',array_map("getDBQuoted",$aLangPrefOrder))."]";
  59
  60         if (isset($_GET['exclude_place_ids']) && $_GET['exclude_place_ids'])
  61         {
  62                 foreach(explode(',',$_GET['exclude_place_ids']) as $iExcludedPlaceID)
  63                 {
  64                         $iExcludedPlaceID = (int)$iExcludedPlaceID;
  65                         if ($iExcludedPlaceID) $aExcludePlaceIDs[$iExcludedPlaceID] = $iExcludedPlaceID;
  66                 }
  67         }
  68
  69         // Only certain ranks of feature
  70         if (isset($_GET['featureType']) && !isset($_GET['featuretype'])) $_GET['featuretype'] = $_GET['featureType'];
  71
  72         if (isset($_GET['featuretype']))
  73         {
  74                 switch($_GET['featuretype'])
  75                 {
  76                 case 'country':
  77                         $iMinAddressRank = $iMaxAddressRank = 4;
  78                         break;
  79                 case 'state':
  80                         $iMinAddressRank = $iMaxAddressRank = 8;
  81                         break;
  82                 case 'city':
  83                         $iMinAddressRank = 14;
  84                         $iMaxAddressRank = 16;
  85                         break;
  86                 case 'settlement':
  87                         $iMinAddressRank = 8;
  88                         $iMaxAddressRank = 20;
  89                         break;
  90                 }
  91         }
  92
  93         if (isset($_GET['countrycodes']))
  94         {
  95                 $aCountryCodes = array();
  96                 foreach(explode(',',$_GET['countrycodes']) as $sCountryCode)
  97                 {
  98                         if (preg_match('/^[a-zA-Z][a-zA-Z]$/', $sCountryCode))
  99                         {
 100                                 $aCountryCodes[] = "'".strtolower($sCountryCode)."'";
 101                         }
 102                 }
 103                 $sCountryCodesSQL = join(',', $aCountryCodes);
 104         }
 105
 106         // Search query
 107         $sQuery = (isset($_GET['q'])?trim($_GET['q']):'');
 108         if (!$sQuery && isset($_SERVER['PATH_INFO']) && $_SERVER['PATH_INFO'][0] == '/')
 109         {
 110                 $sQuery = substr($_SERVER['PATH_INFO'], 1);
 111
 112                 // reverse order of '/' separated string
 113                 $aPhrases = explode('/', $sQuery);
 114                 $aPhrases = array_reverse($aPhrases);
 115                 $sQuery = join(', ',$aPhrases);
 116         }
 117
 118         function structuredAddressElement(&$aStructuredQuery, &$iMinAddressRank, &$iMaxAddressRank, $aParams, $sKey, $iNewMinAddressRank, $iNewMaxAddressRank)
 119         {
 120                 if (!isset($_GET[$sKey])) return false;
 121                 $sValue = trim($_GET[$sKey]);
 122                 if (!$sValue) return false;
 123                 $aStructuredQuery[$sKey] = $sValue;
 124                 if ($iMinAddressRank == 0 && $iMaxAddressRank == 30) {
 125                         $iMinAddressRank = $iNewMinAddressRank;
 126                         $iMaxAddressRank = $iNewMaxAddressRank;
 127                 }
 128                 return true;
 129         }
 130
 131         // Structured query?
 132         $aStructuredOptions = array(
 133                                 array('amenity', 26, 30),
 134                                 array('street', 26, 30),
 135                                 array('city', 14, 24),
 136                                 array('county', 9, 13),
 137                                 array('state', 8, 8),
 138                                 array('country', 4, 4),
 139                                 array('postalcode', 16, 25),
 140                                 );
 141         $aStructuredQuery = array();
 142         foreach($aStructuredOptions as $aStructuredOption)
 143         {
 144                 loadStructuredAddressElement($aStructuredQuery, $iMinAddressRank, $iMaxAddressRank, $_GET, $aStructuredOption[0], $aStructuredOption[1], $aStructuredOption[2]);
 145         }
 146         if (sizeof($aStructuredQuery) > 0) {
 147                 $sQuery = join(', ', $aStructuredQuery);
 148         }
 149
 150         if ($sQuery)
 151         {
 152                 $hLog = logStart($oDB, 'search', $sQuery, $aLangPrefOrder);
 153
 154                 // Hack to make it handle "new york, ny" (and variants) correctly
 155                 $sQuery = str_ireplace(array('New York, ny','new york, new york', 'New York ny','new york new york'), 'new york city, ny', $sQuery);
 156                 if (isset($aLangPrefOrder['name:en']))
 157                 {
 158                         $sQuery = preg_replace('/,\s*il\s*(,|$)/',', illinois\1', $sQuery);
 159                         $sQuery = preg_replace('/,\s*al\s*(,|$)/',', alabama\1', $sQuery);
 160                         $sQuery = preg_replace('/,\s*la\s*(,|$)/',', louisiana\1', $sQuery);
 161                 }
 162
 163                 // If we have a view box create the SQL
 164                 // Small is the actual view box, Large is double (on each axis) that
 165                 $sViewboxCentreSQL = $sViewboxSmallSQL = $sViewboxLargeSQL = false;
 166                 if (isset($_GET['viewboxlbrt']) && $_GET['viewboxlbrt'])
 167                 {
 168                         $aCoOrdinatesLBRT = explode(',',$_GET['viewboxlbrt']);
 169                         $_GET['viewbox'] = $aCoOrdinatesLBRT[0].','.$aCoOrdinatesLBRT[3].','.$aCoOrdinatesLBRT[2].','.$aCoOrdinatesLBRT[1];
 170                 }
 171                 if (isset($_GET['viewbox']) && $_GET['viewbox'])
 172                 {
 173                         $aCoOrdinates = explode(',',$_GET['viewbox']);
 174                         $sViewboxSmallSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
 175                         $fHeight = $aCoOrdinates[0]-$aCoOrdinates[2];
 176                         $fWidth = $aCoOrdinates[1]-$aCoOrdinates[3];
 177                         $aCoOrdinates[0] += $fHeight;
 178                         $aCoOrdinates[2] -= $fHeight;
 179                         $aCoOrdinates[1] += $fWidth;
 180                         $aCoOrdinates[3] -= $fWidth;
 181                         $sViewboxLargeSQL = "ST_SetSRID(ST_MakeBox2D(ST_Point(".(float)$aCoOrdinates[0].",".(float)$aCoOrdinates[1]."),ST_Point(".(float)$aCoOrdinates[2].",".(float)$aCoOrdinates[3].")),4326)";
 182                 } else {
 183                         $bBoundingBoxSearch = false;
 184                 }
 185                 if (isset($_GET['route']) && $_GET['route'] && isset($_GET['routewidth']) && $_GET['routewidth'])
 186                 {
 187                         $aPoints = explode(',',$_GET['route']);
 188                         if (sizeof($aPoints) % 2 != 0)
 189                         {
 190                                 echo "Uneven number of points";
 191                                 exit;
 192                         }
 193                         $sViewboxCentreSQL = "ST_SetSRID('LINESTRING(";
 194                         $fPrevCoord = false;
 195                         foreach($aPoints as $i => $fPoint)
 196                         {
 197                                 if ($i%2)
 198                                 {
 199                                         if ($i != 1) $sViewboxCentreSQL .= ",";
 200                                         $sViewboxCentreSQL .= ((float)$fPoint).' '.$fPrevCoord;
 201                                 }
 202                                 else
 203                                 {
 204                                         $fPrevCoord = (float)$fPoint;
 205                                 }
 206                         }
 207                         $sViewboxCentreSQL .= ")'::geometry,4326)";
 208
 209                         $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/69).")";
 210                         $sViewboxSmallSQL = $oDB->getOne($sSQL);
 211                         if (PEAR::isError($sViewboxSmallSQL))
 212                         {
 213                                 failInternalError("Could not get small viewbox.", $sSQL, $sViewboxSmallSQL);
 214                         }
 215                         $sViewboxSmallSQL = "'".$sViewboxSmallSQL."'::geometry";
 216
 217                         $sSQL = "select st_buffer(".$sViewboxCentreSQL.",".(float)($_GET['routewidth']/30).")";
 218                         $sViewboxLargeSQL = $oDB->getOne($sSQL);
 219                         if (PEAR::isError($sViewboxLargeSQL))
 220                         {
 221                                 failInternalError("Could not get large viewbox.", $sSQL, $sViewboxLargeSQL);
 222                         }
 223                         $sViewboxLargeSQL = "'".$sViewboxLargeSQL."'::geometry";
 224                 }
 225
 226                 // Do we have anything that looks like a lat/lon pair?
 227                 if (preg_match('/\\b([NS])[ ]+([0-9]+[0-9.]*)[ ]+([0-9.]+)?[, ]+([EW])[ ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?\\b/', $sQuery, $aData))
 228                 {
 229                         $fQueryLat = ($aData[1]=='N'?1:-1) * ($aData[2] + $aData[3]/60);
 230                         $fQueryLon = ($aData[4]=='E'?1:-1) * ($aData[5] + $aData[6]/60);
 231                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 232                         {
 233                                 $_GET['nearlat'] = $fQueryLat;
 234                                 $_GET['nearlon'] = $fQueryLon;
 235                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 236                         }
 237                 }
 238                 elseif (preg_match('/\\b([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([NS])[, ]+([0-9]+)[ ]+([0-9]+[0-9.]*)?[ ]+([EW])\\b/', $sQuery, $aData))
 239                 {
 240                         $fQueryLat = ($aData[3]=='N'?1:-1) * ($aData[1] + $aData[2]/60);
 241                         $fQueryLon = ($aData[6]=='E'?1:-1) * ($aData[4] + $aData[5]/60);
 242                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 243                         {
 244                                 $_GET['nearlat'] = $fQueryLat;
 245                                 $_GET['nearlon'] = $fQueryLon;
 246                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 247                         }
 248                 }
 249                 elseif (preg_match('/(\\[|^|\\b)(-?[0-9]+[0-9.]*)[, ]+(-?[0-9]+[0-9.]*)(\\]|$|\\b)/', $sQuery, $aData))
 250                 {
 251                         $fQueryLat = $aData[2];
 252                         $fQueryLon = $aData[3];
 253                         if ($fQueryLat <= 90.1 && $fQueryLat >= -90.1 && $fQueryLon <= 180.1 && $fQueryLon >= -180.1)
 254                         {
 255                                 $_GET['nearlat'] = $fQueryLat;
 256                                 $_GET['nearlon'] = $fQueryLon;
 257                                 $sQuery = trim(str_replace($aData[0], ' ', $sQuery));
 258                         }
 259                 }
 260
 261                 if ($sQuery || $aStructuredQuery)
 262                 {
 263                         // Start with a blank search
 264                         $aSearches = array(
 265                                 array('iSearchRank' => 0, 'iNamePhrase' => -1, 'sCountryCode' => false, 'aName'=>array(), 'aAddress'=>array(),
 266                                         'sOperator'=>'', 'aFeatureName' => array(), 'sClass'=>'', 'sType'=>'', 'sHouseNumber'=>'', 'fLat'=>'', 'fLon'=>'', 'fRadius'=>'')
 267                         );
 268
 269                         $sNearPointSQL = false;
 270                         if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
 271                         {
 272                                 $sNearPointSQL = "ST_SetSRID(ST_Point(".(float)$_GET['nearlon'].",".$_GET['nearlat']."),4326)";
 273                                 $aSearches[0]['fLat'] = (float)$_GET['nearlat'];
 274                                 $aSearches[0]['fLon'] = (float)$_GET['nearlon'];
 275                                 $aSearches[0]['fRadius'] = 0.1;
 276                         }
 277
 278                         $bSpecialTerms = false;
 279                         preg_match_all('/\\[(.*)=(.*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
 280                         $aSpecialTerms = array();
 281                         foreach($aSpecialTermsRaw as $aSpecialTerm)
 282                         {
 283                                 $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
 284                                 $aSpecialTerms[strtolower($aSpecialTerm[1])] = $aSpecialTerm[2];
 285                         }
 286
 287                         preg_match_all('/\\[([a-zA-Z]*)\\]/', $sQuery, $aSpecialTermsRaw, PREG_SET_ORDER);
 288                         $aSpecialTerms = array();
 289                         if (isset($aStructuredQuery['amenity']) && $aStructuredQuery['amenity'])
 290                         {
 291                                 $aSpecialTermsRaw[] = array('['.$aStructuredQuery['amenity'].']', $aStructuredQuery['amenity']);
 292                                 unset($aStructuredQuery['amenity']);
 293                         }
 294                         foreach($aSpecialTermsRaw as $aSpecialTerm)
 295                         {
 296                                 $sQuery = str_replace($aSpecialTerm[0], ' ', $sQuery);
 297                                 $sToken = $oDB->getOne("select make_standard_name('".$aSpecialTerm[1]."') as string");
 298                                 $sSQL = 'select * from (select word_id,word_token, word, class, type, location, country_code, operator';
 299                                 $sSQL .= ' from word where word_token in (\' '.$sToken.'\')) as x where (class is not null and class not in (\'place\')) or country_code is not null';
 300                                 if (CONST_Debug) var_Dump($sSQL);
 301                                 $aSearchWords = $oDB->getAll($sSQL);
 302                                 $aNewSearches = array();
 303                                 foreach($aSearches as $aSearch)
 304                                 {
 305                                         foreach($aSearchWords as $aSearchTerm)
 306                                         {
 307                                                 $aNewSearch = $aSearch;
 308                                                 if ($aSearchTerm['country_code'])
 309                                                 {
 310                                                         $aNewSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
 311                                                         $aNewSearches[] = $aNewSearch;
 312                                                         $bSpecialTerms = true;
 313                                                 }
 314                                                 if ($aSearchTerm['class'])
 315                                                 {
 316                                                         $aNewSearch['sClass'] = $aSearchTerm['class'];
 317                                                         $aNewSearch['sType'] = $aSearchTerm['type'];
 318                                                         $aNewSearches[] = $aNewSearch;
 319                                                         $bSpecialTerms = true;
 320                                                 }
 321                                         }
 322                                 }
 323                                 $aSearches = $aNewSearches;
 324                         }
 325
 326                         // Split query into phrases
 327                         // Commas are used to reduce the search space by indicating where phrases split
 328                         if (sizeof($aStructuredQuery) > 0)
 329                         {
 330                                 $aPhrases = $aStructuredQuery;
 331                                 $bStructuredPhrases = true;
 332                         }
 333                         else
 334                         {
 335                                 $aPhrases = explode(',',$sQuery);
 336                                 $bStructuredPhrases = false;
 337                         }
 338
 339
 340                         // Convert each phrase to standard form
 341                         // Create a list of standard words
 342                         // Get all 'sets' of words
 343                         // Generate a complete list of all
 344                         $aTokens = array();
 345                         foreach($aPhrases as $iPhrase => $sPhrase)
 346                         {
 347                                 $aPhrase = $oDB->getRow("select make_standard_name('".pg_escape_string($sPhrase)."') as string");
 348                                 if (PEAR::isError($aPhrase))
 349                                 {
 350                                         echo "Illegal query string (not an UTF-8 string): ".$sPhrase;
 351                                         if (CONST_Debug) var_dump($aPhrase);
 352                                         exit;
 353                                 }
 354                                 if (trim($aPhrase['string']))
 355                                 {
 356                                         $aPhrases[$iPhrase] = $aPhrase;
 357                                         $aPhrases[$iPhrase]['words'] = explode(' ',$aPhrases[$iPhrase]['string']);
 358                                         $aPhrases[$iPhrase]['wordsets'] = getWordSets($aPhrases[$iPhrase]['words']);
 359                                         $aTokens = array_merge($aTokens, getTokensFromSets($aPhrases[$iPhrase]['wordsets']));
 360                                 }
 361                                 else
 362                                 {
 363                                         unset($aPhrases[$iPhrase]);
 364                                 }
 365                         }
 366
 367                         // reindex phrases - we make assumptions later on
 368                         $aPhraseTypes = array_keys($aPhrases);
 369                         $aPhrases = array_values($aPhrases);
 370
 371                         if (sizeof($aTokens))
 372                         {
 373
 374                         // Check which tokens we have, get the ID numbers
 375                         $sSQL = 'select word_id,word_token, word, class, type, location, country_code, operator';
 376                         $sSQL .= ' from word where word_token in ('.join(',',array_map("getDBQuoted",$aTokens)).')';
 377                         $sSQL .= ' and search_name_count < '.CONST_Max_Word_Frequency;
 378 //                      $sSQL .= ' group by word_token, word, class, type, location, country_code';
 379
 380                         if (CONST_Debug) var_Dump($sSQL);
 381
 382                         $aValidTokens = array();
 383                         if (sizeof($aTokens))
 384                                 $aDatabaseWords = $oDB->getAll($sSQL);
 385                         else
 386                                 $aDatabaseWords = array();
 387                         if (PEAR::IsError($aDatabaseWords))
 388                         {
 389                                 failInternalError("Could not get word tokens.", $sSQL, $aDatabaseWords);
 390                         }
 391                         $aPossibleMainWordIDs = array();
 392                         foreach($aDatabaseWords as $aToken)
 393                         {
 394                                 if (isset($aValidTokens[$aToken['word_token']]))
 395                                 {
 396                                         $aValidTokens[$aToken['word_token']][] = $aToken;
 397                                 }
 398                                 else
 399                                 {
 400                                         $aValidTokens[$aToken['word_token']] = array($aToken);
 401                                 }
 402                                 if ($aToken['word_token'][0]==' ' && !$aToken['class'] && !$aToken['country_code']) $aPossibleMainWordIDs[$aToken['word_id']] = 1;
 403                         }
 404                         if (CONST_Debug) var_Dump($aPhrases, $aValidTokens);
 405
 406                         $aSuggestion = array();
 407                         $bSuggestion = false;
 408                         if (CONST_Suggestions_Enabled)
 409                         {
 410                                 foreach($aPhrases as $iPhrase => $aPhrase)
 411                                 {
 412                                         if (!isset($aValidTokens[' '.$aPhrase['wordsets'][0][0]]))
 413                                         {
 414                                                 $sQuotedPhrase = getDBQuoted(' '.$aPhrase['wordsets'][0][0]);
 415                                                 $aSuggestionWords = getWordSuggestions($oDB, $aPhrase['wordsets'][0][0]);
 416                                                 $aRow = $aSuggestionWords[0];
 417                                                 if ($aRow && $aRow['word'])
 418                                                 {
 419                                                         $aSuggestion[] = $aRow['word'];
 420                                                         $bSuggestion = true;
 421                                                 }
 422                                                 else
 423                                                 {
 424                                                         $aSuggestion[] = $aPhrase['string'];
 425                                                 }
 426                                         }
 427                                         else
 428                                         {
 429                                                 $aSuggestion[] = $aPhrase['string'];
 430                                         }
 431                                 }
 432                         }
 433                         if ($bSuggestion) $sSuggestion = join(', ',$aSuggestion);
 434
 435                         // Try and calculate GB postcodes we might be missing
 436                         foreach($aTokens as $sToken)
 437                         {
 438                                 // Source of gb postcodes is now definitive - always use
 439                                 if (preg_match('/^([A-Z][A-Z]?[0-9][0-9A-Z]? ?[0-9])([A-Z][A-Z])$/', strtoupper(trim($sToken)), $aData))
 440                                 {
 441                                         if (substr($aData[1],-2,1) != ' ')
 442                                         {
 443                                                 $aData[0] = substr($aData[0],0,strlen($aData[1]-1)).' '.substr($aData[0],strlen($aData[1]-1));
 444                                                 $aData[1] = substr($aData[1],0,-1).' '.substr($aData[1],-1,1);
 445                                         }
 446                                         $aGBPostcodeLocation = gbPostcodeCalculate($aData[0], $aData[1], $aData[2], $oDB);
 447                                         if ($aGBPostcodeLocation)
 448                                         {
 449                                                 $aValidTokens[$sToken] = $aGBPostcodeLocation;
 450                                         }
 451                                 }
 452                         }
 453
 454                         foreach($aTokens as $sToken)
 455                         {
 456                                 // Unknown single word token with a number - assume it is a house number
 457                                 if (!isset($aValidTokens[' '.$sToken]) && strpos($sToken,' ') === false && preg_match('/[0-9]/', $sToken))
 458                                 {
 459                                         $aValidTokens[' '.$sToken] = array(array('class'=>'place','type'=>'house'));
 460                                 }
 461                         }
 462
 463                         // Any words that have failed completely?
 464                         // TODO: suggestions
 465
 466                         // Start the search process
 467                         $aResultPlaceIDs = array();
 468
 469                         /*
 470                                 Calculate all searches using aValidTokens i.e.
 471
 472                                 'Wodsworth Road, Sheffield' =>
 473
 474                                 Phrase Wordset
 475                                 0      0       (wodsworth road)
 476                                 0      1       (wodsworth)(road)
 477                                 1      0       (sheffield)
 478
 479                                 Score how good the search is so they can be ordered
 480                         */
 481                                 foreach($aPhrases as $iPhrase => $sPhrase)
 482                                 {
 483                                         $aNewPhraseSearches = array();
 484                                         if ($bStructuredPhrases) $sPhraseType = $aPhraseTypes[$iPhrase];
 485                                         else $sPhraseType = '';
 486
 487                                         foreach($aPhrases[$iPhrase]['wordsets'] as $aWordset)
 488                                         {
 489                                                 $aWordsetSearches = $aSearches;
 490
 491                                                 // Add all words from this wordset
 492                                                 foreach($aWordset as $iToken => $sToken)
 493                                                 {
 494 //echo "<br><b>$sToken</b>";
 495                                                         $aNewWordsetSearches = array();
 496
 497                                                         foreach($aWordsetSearches as $aCurrentSearch)
 498                                                         {
 499 //echo "<i>";
 500 //var_dump($aCurrentSearch);
 501 //echo "</i>";
 502
 503                                                                 // If the token is valid
 504                                                                 if (isset($aValidTokens[' '.$sToken]))
 505                                                                 {
 506                                                                         foreach($aValidTokens[' '.$sToken] as $aSearchTerm)
 507                                                                         {
 508                                                                                 $aSearch = $aCurrentSearch;
 509                                                                                 $aSearch['iSearchRank']++;
 510                                                                                 if (($sPhraseType == '' || $sPhraseType == 'country') && $aSearchTerm['country_code'] !== null && $aSearchTerm['country_code'] != '0')
 511                                                                                 {
 512                                                                                         if ($aSearch['sCountryCode'] === false)
 513                                                                                         {
 514                                                                                                 $aSearch['sCountryCode'] = strtolower($aSearchTerm['country_code']);
 515                                                                                                 // Country is almost always at the end of the string - increase score for finding it anywhere else (optimisation)
 516                                                                                                 if ($iToken+1 != sizeof($aWordset) || $iPhrase+1 != sizeof($aPhrases)) $aSearch['iSearchRank'] += 5;
 517                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 518                                                                                         }
 519                                                                                 }
 520                                                                                 elseif (isset($aSearchTerm['lat']) && $aSearchTerm['lat'] !== '' && $aSearchTerm['lat'] !== null)
 521                                                                                 {
 522                                                                                         if ($aSearch['fLat'] === '')
 523                                                                                         {
 524                                                                                                 $aSearch['fLat'] = $aSearchTerm['lat'];
 525                                                                                                 $aSearch['fLon'] = $aSearchTerm['lon'];
 526                                                                                                 $aSearch['fRadius'] = $aSearchTerm['radius'];
 527                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 528                                                                                         }
 529                                                                                 }
 530                                                                                 elseif (($sPhraseType == '' || $sPhraseType == 'street') && $aSearchTerm['class'] == 'place' && $aSearchTerm['type'] == 'house')
 531                                                                                 {
 532                                                                                         if ($aSearch['sHouseNumber'] === '')
 533                                                                                         {
 534                                                                                                 $aSearch['sHouseNumber'] = $sToken;
 535                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 536 /*
 537                                                                                                 // Fall back to not searching for this item (better than nothing)
 538                                                                                                 $aSearch = $aCurrentSearch;
 539                                                                                                 $aSearch['iSearchRank'] += 1;
 540                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 541 */
 542                                                                                         }
 543                                                                                 }
 544                                                                                 elseif ($sPhraseType == '' && $aSearchTerm['class'] !== '' && $aSearchTerm['class'] !== null)
 545                                                                                 {
 546                                                                                         if ($aSearch['sClass'] === '')
 547                                                                                         {
 548                                                                                                 $aSearch['sOperator'] = $aSearchTerm['operator'];
 549                                                                                                 $aSearch['sClass'] = $aSearchTerm['class'];
 550                                                                                                 $aSearch['sType'] = $aSearchTerm['type'];
 551                                                                                                 if (sizeof($aSearch['aName'])) $aSearch['sOperator'] = 'name';
 552                                                                                                 else $aSearch['sOperator'] = 'near'; // near = in for the moment
 553
 554                                                                                                 // Do we have a shortcut id?
 555                                                                                                 if ($aSearch['sOperator'] == 'name')
 556                                                                                                 {
 557                                                                                                         $sSQL = "select get_tagpair('".$aSearch['sClass']."', '".$aSearch['sType']."')";
 558                                                                                                         if ($iAmenityID = $oDB->getOne($sSQL))
 559                                                                                                         {
 560                                                                                                                 $aValidTokens[$aSearch['sClass'].':'.$aSearch['sType']] = array('word_id' => $iAmenityID);
 561                                                                                                                 $aSearch['aName'][$iAmenityID] = $iAmenityID;
 562                                                                                                                 $aSearch['sClass'] = '';
 563                                                                                                                 $aSearch['sType'] = '';
 564                                                                                                         }
 565                                                                                                 }
 566                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 567                                                                                         }
 568                                                                                 }
 569                                                                                 elseif (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
 570                                                                                 {
 571                                                                                         if (sizeof($aSearch['aName']))
 572                                                                                         {
 573                                                                                                 if (($sPhraseType != 'street' && $sPhraseType != 'country') && (!isset($aValidTokens[$sToken]) || strlen($sToken) < 4 || strpos($sToken, ' ') !== false))
 574                                                                                                 {
 575                                                                                                         $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 576                                                                                                 }
 577                                                                                                 else
 578                                                                                                 {
 579                                                                                                         $aSearch['iSearchRank'] += 1000; // skip;
 580                                                                                                 }
 581                                                                                         }
 582                                                                                         else
 583                                                                                         {
 584                                                                                                 $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 585 //                                                                                              $aSearch['iNamePhrase'] = $iPhrase;
 586                                                                                         }
 587                                                                                         if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 588                                                                                 }
 589                                                                         }
 590                                                                 }
 591                                                                 if (isset($aValidTokens[$sToken]))
 592                                                                 {
 593                                                                         // Allow searching for a word - but at extra cost
 594                                                                         foreach($aValidTokens[$sToken] as $aSearchTerm)
 595                                                                         {
 596                                                                                 if (isset($aSearchTerm['word_id']) && $aSearchTerm['word_id'])
 597                                                                                 {
 598                                                                                         if (($sPhraseType != 'street') && sizeof($aCurrentSearch['aName']) && strlen($sToken) >= 4)
 599                                                                                         {
 600                                                                                                 $aSearch = $aCurrentSearch;
 601                                                                                                 $aSearch['iSearchRank'] += 1;
 602                                                                                                 $aSearch['aAddress'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 603                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 604                                                                                         }
 605
 606                                                                                         if (!sizeof($aCurrentSearch['aName']) || $aCurrentSearch['iNamePhrase'] == $iPhrase)
 607                                                                                         {
 608                                                                                                 $aSearch = $aCurrentSearch;
 609                                                                                                 $aSearch['iSearchRank'] += 2;
 610                                                                                                 if (preg_match('#^[0-9]+$#', $sToken)) $aSearch['iSearchRank'] += 2;
 611                                                                                                 $aSearch['aName'][$aSearchTerm['word_id']] = $aSearchTerm['word_id'];
 612                                                                                                 $aSearch['iNamePhrase'] = $iPhrase;
 613                                                                                                 if ($aSearch['iSearchRank'] < $iMaxRank) $aNewWordsetSearches[] = $aSearch;
 614                                                                                         }
 615                                                                                 }
 616                                                                         }
 617                                                                 }
 618                                                                 else
 619                                                                 {
 620                                                                         // Allow skipping a word - but at EXTREAM cost
 621                                                                         //$aSearch = $aCurrentSearch;
 622                                                                         //$aSearch['iSearchRank']+=100;
 623                                                                         //$aNewWordsetSearches[] = $aSearch;
 624                                                                 }
 625                                                         }
 626                                                         // Sort and cut
 627                                                         usort($aNewWordsetSearches, 'bySearchRank');
 628                                                         $aWordsetSearches = array_slice($aNewWordsetSearches, 0, 50);
 629                                                 }
 630 //                                              var_Dump('<hr>',sizeof($aWordsetSearches)); exit;
 631
 632                                                 $aNewPhraseSearches = array_merge($aNewPhraseSearches, $aNewWordsetSearches);
 633                                                 usort($aNewPhraseSearches, 'bySearchRank');
 634
 635           $aSearchHash = array();
 636           foreach($aNewPhraseSearches as $iSearch => $aSearch)
 637           {
 638             $sHash = serialize($aSearch);
 639             if (isset($aSearchHash[$sHash]))
 640             {
 641               unset($aNewPhraseSearches[$iSearch]);
 642             }
 643             else
 644             {
 645               $aSearchHash[$sHash] = 1;
 646             }
 647           }
 648
 649                                                 $aNewPhraseSearches = array_slice($aNewPhraseSearches, 0, 50);
 650                                         }
 651
 652                                         // Re-group the searches by their score, junk anything over 20 as just not worth trying
 653                                         $aGroupedSearches = array();
 654                                         foreach($aNewPhraseSearches as $aSearch)
 655                                         {
 656                                                 if ($aSearch['iSearchRank'] < $iMaxRank)
 657                                                 {
 658                                                         if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
 659                                                         $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
 660                                                 }
 661                                         }
 662                                         ksort($aGroupedSearches);
 663
 664                                         $iSearchCount = 0;
 665                                         $aSearches = array();
 666                                         foreach($aGroupedSearches as $iScore => $aNewSearches)
 667                                         {
 668                                                 $iSearchCount += sizeof($aNewSearches);
 669                                                 $aSearches = array_merge($aSearches, $aNewSearches);
 670                                                 if ($iSearchCount > 50) break;
 671                                         }
 672
 673 //                                      if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
 674
 675                                 }
 676                         }
 677                         else
 678                         {
 679                                         // Re-group the searches by their score, junk anything over 20 as just not worth trying
 680                                         $aGroupedSearches = array();
 681                                         foreach($aSearches as $aSearch)
 682                                         {
 683                                                 if ($aSearch['iSearchRank'] < $iMaxRank)
 684                                                 {
 685                                                         if (!isset($aGroupedSearches[$aSearch['iSearchRank']])) $aGroupedSearches[$aSearch['iSearchRank']] = array();
 686                                                         $aGroupedSearches[$aSearch['iSearchRank']][] = $aSearch;
 687                                                 }
 688                                         }
 689                                         ksort($aGroupedSearches);
 690                         }
 691
 692                                 if (CONST_Debug) var_Dump($aGroupedSearches);
 693
 694                                 if ($bReverseInPlan)
 695                                 {
 696                                         $aCopyGroupedSearches = $aGroupedSearches;
 697                                         foreach($aCopyGroupedSearches as $iGroup => $aSearches)
 698                                         {
 699                                                 foreach($aSearches as $iSearch => $aSearch)
 700                                                 {
 701                                                         if (sizeof($aSearch['aAddress']))
 702                                                         {
 703                                                                 $iReverseItem = array_pop($aSearch['aAddress']);
 704                                                                 if (isset($aPossibleMainWordIDs[$iReverseItem]))
 705                                                                 {
 706                                                                         $aSearch['aAddress'] = array_merge($aSearch['aAddress'], $aSearch['aName']);
 707                                                                         $aSearch['aName'] = array($iReverseItem);
 708                                                                         $aGroupedSearches[$iGroup][] = $aSearch;
 709                                                                 }
 710 //                                                              $aReverseSearch['aName'][$iReverseItem] = $iReverseItem;
 711         //                                                      $aGroupedSearches[$iGroup][] = $aReverseSearch;
 712                                                         }
 713                                                 }
 714                                         }
 715                                 }
 716
 717                                 // Filter out duplicate searches
 718                                 $aSearchHash = array();
 719                                 foreach($aGroupedSearches as $iGroup => $aSearches)
 720                                 {
 721                                         foreach($aSearches as $iSearch => $aSearch)
 722                                         {
 723                                                 $sHash = serialize($aSearch);
 724                                                 if (isset($aSearchHash[$sHash]))
 725                                                 {
 726                                                         unset($aGroupedSearches[$iGroup][$iSearch]);
 727                                                         if (sizeof($aGroupedSearches[$iGroup]) == 0) unset($aGroupedSearches[$iGroup]);
 728                                                 }
 729                                                 else
 730                                                 {
 731                                                         $aSearchHash[$sHash] = 1;
 732                                                 }
 733                                         }
 734                                 }
 735
 736                                 if (CONST_Debug) _debugDumpGroupedSearches($aGroupedSearches, $aValidTokens);
 737
 738                                 $iGroupLoop = 0;
 739                                 $iQueryLoop = 0;
 740                                 foreach($aGroupedSearches as $iGroupedRank => $aSearches)
 741                                 {
 742                                         $iGroupLoop++;
 743                                         foreach($aSearches as $aSearch)
 744                                         {
 745                                                 $iQueryLoop++;
 746
 747                                                 // Must have a location term
 748                                                 if (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && !$aSearch['fLon'])
 749                                                 {
 750                                                         if ($aSearch['sCountryCode'] && !$aSearch['sClass'])
 751                                                         {
 752                                                                 if (4 >= $iMinAddressRank && 4 <= $iMaxAddressRank)
 753                                                                 {
 754                                                                         $sSQL = "select place_id from placex where country_code='".$aSearch['sCountryCode']."' and rank_search = 4";
 755                                                                         if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 756                                                                         $sSQL .= " order by st_area(geometry) desc limit 1";
 757                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 758                                                                 }
 759                                                         }
 760                                                         else
 761                                                         {
 762                                                                 if (!$bBoundingBoxSearch && !$aSearch['fLon']) continue;
 763                                                                 if (!$aSearch['sClass']) continue;
 764                                                                 if (CONST_Debug) var_dump('<hr>',$aSearch);
 765                                                                 if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
 766
 767                                                                 $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
 768                                                                 if ($oDB->getOne($sSQL))
 769                                                                 {
 770                                                                 $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
 771                                                                 if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
 772                                                                 $sSQL .= " where st_contains($sViewboxSmallSQL, ct.centroid) and linked_place_id is null";
 773                                                                 if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 774                                                                 if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
 775                                                                 $sSQL .= " limit $iLimit";
 776                                                                 if (CONST_Debug) var_dump($sSQL);
 777                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 778
 779                                                                 if (!sizeof($aPlaceIDs))
 780                                                                 {
 781                                                                         $sSQL = "select place_id from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." ct";
 782                                                                         if ($sCountryCodesSQL) $sSQL .= " join placex using (place_id)";
 783                                                                         $sSQL .= " where st_contains($sViewboxLargeSQL, ct.centroid) and linked_place_id is null";
 784                                                                         if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 785                                                                         if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, ct.centroid) asc";
 786                                                                         $sSQL .= " limit $iLimit";
 787                                                                         if (CONST_Debug) var_dump($sSQL);
 788                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 789                                                                 }
 790                                                         }
 791                                                         else
 792                                                         {
 793                                                                 $sSQL = "select place_id from placex where class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
 794                                                                 $sSQL .= " and st_contains($sViewboxSmallSQL, geometry) and linked_place_id is null";
 795                                                                 if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 796                                                                 if ($sViewboxCentreSQL) $sSQL .= " order by st_distance($sViewboxCentreSQL, centroid) asc";
 797                                                                 $sSQL .= " limit $iLimit";
 798                                                                 if (CONST_Debug) var_dump($sSQL);
 799                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 800                                                         }
 801                                                         }
 802                                                 }
 803                                                 else
 804                                                 {
 805                                                         if (CONST_Debug) var_dump('<hr>',$aSearch);
 806                                                         if (CONST_Debug) _debugDumpGroupedSearches(array($iGroupedRank => array($aSearch)), $aValidTokens);
 807                                                         $aPlaceIDs = array();
 808
 809                                                         // First we need a position, either aName or fLat or both
 810                                                         $aTerms = array();
 811                                                         $aOrder = array();
 812
 813                                                         // TODO: filter out the pointless search terms (2 letter name tokens and less)
 814                                                         // they might be right - but they are just too darned expensive to run
 815                                                         if (sizeof($aSearch['aName'])) $aTerms[] = "name_vector @> ARRAY[".join($aSearch['aName'],",")."]";
 816                                                         if (sizeof($aSearch['aAddress']) && $aSearch['aName'] != $aSearch['aAddress']) $aTerms[] = "nameaddress_vector @> ARRAY[".join($aSearch['aAddress'],",")."]";
 817                                                         if ($aSearch['sCountryCode']) $aTerms[] = "country_code = '".pg_escape_string($aSearch['sCountryCode'])."'";
 818                                                         if ($aSearch['sHouseNumber']) $aTerms[] = "address_rank in (26,27)";
 819                                                         if ($aSearch['fLon'] && $aSearch['fLat'])
 820                                                         {
 821                                                                 $aTerms[] = "ST_DWithin(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326), ".$aSearch['fRadius'].")";
 822                                                                 $aOrder[] = "ST_Distance(centroid, ST_SetSRID(ST_Point(".$aSearch['fLon'].",".$aSearch['fLat']."),4326)) ASC";
 823                                                         }
 824                                                         if (sizeof($aExcludePlaceIDs))
 825                                                         {
 826                                                                 $aTerms[] = "place_id not in (".join(',',$aExcludePlaceIDs).")";
 827                                                         }
 828                                                         if ($sCountryCodesSQL)
 829                                                         {
 830                                                                 $aTerms[] = "country_code in ($sCountryCodesSQL)";
 831                                                         }
 832
 833                                                         if ($bBoundingBoxSearch) $aTerms[] = "centroid && $sViewboxSmallSQL";
 834                                                         if ($sNearPointSQL) $aOrder[] = "ST_Distance($sNearPointSQL, centroid) asc";
 835
 836                                                         $sImportanceSQL = 'case when importance = 0 OR importance IS NULL then 0.92-(search_rank::float/33) else importance end';
 837
 838                                                         if ($sViewboxSmallSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxSmallSQL, centroid) THEN 1 ELSE 0.5 END";
 839                                                         if ($sViewboxLargeSQL) $sImportanceSQL .= " * case when ST_Contains($sViewboxLargeSQL, centroid) THEN 1 ELSE 0.5 END";
 840                                                         $aOrder[] = "$sImportanceSQL DESC";
 841
 842                                                         if (sizeof($aTerms))
 843                                                         {
 844                                                                 $sSQL = "select place_id";
 845                                                                 $sSQL .= " from search_name";
 846                                                                 $sSQL .= " where ".join(' and ',$aTerms);
 847                                                                 $sSQL .= " order by ".join(', ',$aOrder);
 848                                                                 if ($aSearch['sHouseNumber'] || $aSearch['sClass'])
 849                                                                         $sSQL .= " limit 50";
 850                                                                 elseif (!sizeof($aSearch['aName']) && !sizeof($aSearch['aAddress']) && $aSearch['sClass'])
 851                                                                         $sSQL .= " limit 1";
 852                                                                 else
 853                                                                         $sSQL .= " limit ".$iLimit;
 854
 855                                                                 if (CONST_Debug) var_dump($sSQL);
 856                                                                 $aViewBoxPlaceIDs = $oDB->getAll($sSQL);
 857                                                                 if (PEAR::IsError($aViewBoxPlaceIDs))
 858                                                                 {
 859                                                                         failInternalError("Could not get places for search terms.", $sSQL, $aViewBoxPlaceIDs);
 860                                                                 }
 861 //var_dump($aViewBoxPlaceIDs);
 862                                                                 // Did we have an viewbox matches?
 863                                                                 $aPlaceIDs = array();
 864                                                                 $bViewBoxMatch = false;
 865                                                                 foreach($aViewBoxPlaceIDs as $aViewBoxRow)
 866                                                                 {
 867 //                                                                      if ($bViewBoxMatch == 1 && $aViewBoxRow['in_small'] == 'f') break;
 868 //                                                                      if ($bViewBoxMatch == 2 && $aViewBoxRow['in_large'] == 'f') break;
 869 //                                                                      if ($aViewBoxRow['in_small'] == 't') $bViewBoxMatch = 1;
 870 //                                                                      else if ($aViewBoxRow['in_large'] == 't') $bViewBoxMatch = 2;
 871                                                                         $aPlaceIDs[] = $aViewBoxRow['place_id'];
 872                                                                 }
 873                                                         }
 874 //var_Dump($aPlaceIDs);
 875 //exit;
 876
 877                                                         if ($aSearch['sHouseNumber'] && sizeof($aPlaceIDs))
 878                                                         {
 879                                                                 $aRoadPlaceIDs = $aPlaceIDs;
 880                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
 881
 882                                                                 // Now they are indexed look for a house attached to a street we found
 883                                                                 $sHouseNumberRegex = '\\\\m'.str_replace(' ','[-,/ ]',$aSearch['sHouseNumber']).'\\\\M';
 884                                                                 $sSQL = "select place_id from placex where parent_place_id in (".$sPlaceIDs.") and housenumber ~* E'".$sHouseNumberRegex."'";
 885                                                                 if (sizeof($aExcludePlaceIDs))
 886                                                                 {
 887                                                                         $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 888                                                                 }
 889                                                                 $sSQL .= " limit $iLimit";
 890                                                                 if (CONST_Debug) var_dump($sSQL);
 891                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
 892
 893                                                                 // If not try the aux fallback table
 894                                                                 if (!sizeof($aPlaceIDs))
 895                                                                 {
 896                                                                         $sSQL = "select place_id from location_property_aux where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
 897                                                                         if (sizeof($aExcludePlaceIDs))
 898                                                                         {
 899                                                                                 $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 900                                                                         }
 901 //                                                                      $sSQL .= " limit $iLimit";
 902                                                                         if (CONST_Debug) var_dump($sSQL);
 903                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 904                                                                 }
 905
 906                                                                 if (!sizeof($aPlaceIDs))
 907                                                                 {
 908                                                                         $sSQL = "select place_id from location_property_tiger where parent_place_id in (".$sPlaceIDs.") and housenumber = '".pg_escape_string($aSearch['sHouseNumber'])."'";
 909                                                                         if (sizeof($aExcludePlaceIDs))
 910                                                                         {
 911                                                                                 $sSQL .= " and place_id not in (".join(',',$aExcludePlaceIDs).")";
 912                                                                         }
 913 //                                                                      $sSQL .= " limit $iLimit";
 914                                                                         if (CONST_Debug) var_dump($sSQL);
 915                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 916                                                                 }
 917
 918                                                                 // Fallback to the road
 919                                                                 if (!sizeof($aPlaceIDs) && preg_match('/[0-9]+/', $aSearch['sHouseNumber']))
 920                                                                 {
 921                                                                         $aPlaceIDs = $aRoadPlaceIDs;
 922                                                                 }
 923
 924                                                         }
 925
 926                                                         if ($aSearch['sClass'] && sizeof($aPlaceIDs))
 927                                                         {
 928                                                                 $sPlaceIDs = join(',',$aPlaceIDs);
 929
 930                                                                 if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'name')
 931                                                                 {
 932                                                                         // If they were searching for a named class (i.e. 'Kings Head pub') then we might have an extra match
 933                                                                         $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and class='".$aSearch['sClass']."' and type='".$aSearch['sType']."'";
 934                                                                         $sSQL = " and linked_place_id is null";
 935                                                                         if ($sCountryCodesSQL) $sSQL .= " and country_code in ($sCountryCodesSQL)";
 936                                                                         $sSQL .= " order by rank_search asc limit $iLimit";
 937                                                                         if (CONST_Debug) var_dump($sSQL);
 938                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 939                                                                 }
 940
 941                                                                 if (!$aSearch['sOperator'] || $aSearch['sOperator'] == 'near') // & in
 942                                                                 {
 943                                                                         $sSQL = "select count(*) from pg_tables where tablename = 'place_classtype_".$aSearch['sClass']."_".$aSearch['sType']."'";
 944                                                                         $bCacheTable = $oDB->getOne($sSQL);
 945
 946                                                                         $sSQL = "select min(rank_search) from placex where place_id in ($sPlaceIDs)";
 947
 948                                                                         if (CONST_Debug) var_dump($sSQL);
 949                                                                         $iMaxRank = ((int)$oDB->getOne($sSQL));
 950
 951                                                                         // For state / country level searches the normal radius search doesn't work very well
 952                                                                         $sPlaceGeom = false;
 953                                                                         if ($iMaxRank < 9 && $bCacheTable)
 954                                                                         {
 955                                                                                 // Try and get a polygon to search in instead
 956         $sSQL = "select geometry from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank + 5 and st_geometrytype(geometry) in ('ST_Polygon','ST_MultiPolygon') order by rank_search asc limit 1";
 957         if (CONST_Debug) var_dump($sSQL);
 958         $sPlaceGeom = $oDB->getOne($sSQL);
 959                                                                         }
 960
 961                                                                         if ($sPlaceGeom)
 962                                                                         {
 963                                                                                 $sPlaceIDs = false;
 964                                                                         }
 965                                                                         else
 966                                                                         {
 967                                                                                 $iMaxRank += 5;
 968                                                                         $sSQL = "select place_id from placex where place_id in ($sPlaceIDs) and rank_search < $iMaxRank";
 969                                                                         if (CONST_Debug) var_dump($sSQL);
 970                                                                         $aPlaceIDs = $oDB->getCol($sSQL);
 971                                                                         $sPlaceIDs = join(',',$aPlaceIDs);
 972                                                                         }
 973
 974                                                                         if ($sPlaceIDs || $sPlaceGeom)
 975                                                                         {
 976
 977                                                                         $fRange = 0.01;
 978                                                                         if ($bCacheTable)
 979                                                                         {
 980                                                                                 // More efficient - can make the range bigger
 981                                                                                 $fRange = 0.05;
 982
 983                                                                                 $sOrderBySQL = '';
 984                                                                                 if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.centroid)";
 985                                                                                 else if ($sPlaceIDs) $sOrderBySQL = "ST_Distance(l.centroid, f.geometry)";
 986                                                                                 else if ($sPlaceGeom) $sOrderBysSQL = "ST_Distance(st_centroid('".$sPlaceGeom."'), l.centroid)";
 987
 988                                                                                 $sSQL = "select distinct l.place_id".($sOrderBysSQL?','.$sOrderBysSQL:'')." from place_classtype_".$aSearch['sClass']."_".$aSearch['sType']." as l";
 989                                                                                 if ($sCountryCodesSQL) $sSQL .= " join placex as lp using (place_id)";
 990                                                                                 if ($sPlaceIDs)
 991                                                                                 {
 992                                                                                         $sSQL .= ",placex as f where ";
 993                                                                                         $sSQL .= "f.place_id in ($sPlaceIDs) and ST_DWithin(l.centroid, st_centroid(f.geometry), $fRange) ";
 994                                                                                 }
 995                                                                                 if ($sPlaceGeom)
 996                                                                                 {
 997                                                                                         $sSQL .= " where ";
 998                                                                                         $sSQL .= "ST_Contains('".$sPlaceGeom."', l.centroid) ";
 999                                                                                 }
1000                                                                                 if (sizeof($aExcludePlaceIDs))
1001                                                                                 {
1002                                                                                         $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
1003                                                                                 }
1004                                                                                 if ($sCountryCodesSQL) $sSQL .= " and lp.country_code in ($sCountryCodesSQL)";
1005                                                                                 if ($sOrderBy) $sSQL .= "order by ".$OrderBysSQL." asc";
1006                                                                                 if ($iOffset) $sSQL .= " offset $iOffset";
1007                                                                                 $sSQL .= " limit $iLimit";
1008                                                                                 if (CONST_Debug) var_dump($sSQL);
1009                                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
1010                                                                         }
1011                                                                         else
1012                                                                         {
1013                                                                                 if (isset($aSearch['fRadius']) && $aSearch['fRadius']) $fRange = $aSearch['fRadius'];
1014
1015                                                                                 $sOrderBySQL = '';
1016                                                                                 if ($sNearPointSQL) $sOrderBySQL = "ST_Distance($sNearPointSQL, l.geometry)";
1017                                                                                 else $sOrderBySQL = "ST_Distance(l.geometry, f.geometry)";
1018
1019                                                                                 $sSQL = "select distinct l.place_id".($sOrderBysSQL?','.$sOrderBysSQL:'')." from placex as l,placex as f where ";
1020                                                                                 $sSQL .= "f.place_id in ( $sPlaceIDs) and ST_DWithin(l.geometry, st_centroid(f.geometry), $fRange) ";
1021                                                                                 $sSQL .= "and l.class='".$aSearch['sClass']."' and l.type='".$aSearch['sType']."' ";
1022                                                                                 if (sizeof($aExcludePlaceIDs))
1023                                                                                 {
1024                                                                                         $sSQL .= " and l.place_id not in (".join(',',$aExcludePlaceIDs).")";
1025                                                                                 }
1026                                                                                 if ($sCountryCodesSQL) $sSQL .= " and l.country_code in ($sCountryCodesSQL)";
1027                                                                                 if ($sOrderBy) $sSQL .= "order by ".$OrderBysSQL." asc";
1028                                                                                 if ($iOffset) $sSQL .= " offset $iOffset";
1029                                                                                 $sSQL .= " limit $iLimit";
1030                                                                                 if (CONST_Debug) var_dump($sSQL);
1031                                                                                 $aPlaceIDs = $oDB->getCol($sSQL);
1032                                                                         }
1033                                                                         }
1034                                                                 }
1035                                                         }
1036
1037                                                 }
1038
1039                                                 if (PEAR::IsError($aPlaceIDs))
1040                                                 {
1041                                                         failInternalError("Could not get place IDs from tokens." ,$sSQL, $aPlaceIDs);
1042                                                 }
1043
1044                                                 if (CONST_Debug) var_Dump($aPlaceIDs);
1045
1046                                                 foreach($aPlaceIDs as $iPlaceID)
1047                                                 {
1048                                                         $aResultPlaceIDs[$iPlaceID] = $iPlaceID;
1049                                                 }
1050                                                 if ($iQueryLoop > 20) break;
1051                                         }
1052                                         //exit;
1053                                         if (sizeof($aResultPlaceIDs)) break;
1054                                         if ($iGroupLoop > 4) break;
1055                                         if ($iQueryLoop > 30) break;
1056                                 }
1057 //exit;
1058                                 // Did we find anything?
1059                                 if (sizeof($aResultPlaceIDs))
1060                                 {
1061 //var_Dump($aResultPlaceIDs);exit;
1062                                         // Get the details for display (is this a redundant extra step?)
1063                                         $sPlaceIDs = join(',',$aResultPlaceIDs);
1064                                         $sOrderSQL = 'CASE ';
1065                                         foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
1066                                         {
1067                                                 $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
1068                                         }
1069                                         $sOrderSQL .= ' ELSE 10000000 END';
1070                                         $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,country_code,";
1071                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1072                                         $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
1073                                         $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
1074                                         $sSQL .= "avg(ST_X(ST_Centroid(geometry))) as lon,avg(ST_Y(ST_Centroid(geometry))) as lat, ";
1075 //                                      $sSQL .= $sOrderSQL." as porder, ";
1076                                         $sSQL .= "coalesce(importance,0.9-(rank_search::float/30)) as importance ";
1077                                         $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
1078                                         $sSQL .= "and placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
1079                                         $sSQL .= "and linked_place_id is null ";
1080                                         $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,country_code,importance";
1081                                         if (!$bDeDupe) $sSQL .= ",place_id";
1082                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1083                                         $sSQL .= ",get_name_by_language(name, $sLanguagePrefArraySQL) ";
1084                                         $sSQL .= ",get_name_by_language(name, ARRAY['ref']) ";
1085                                         $sSQL .= " union ";
1086                                         $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,";
1087                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1088                                         $sSQL .= "null as placename,";
1089                                         $sSQL .= "null as ref,";
1090                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1091 //                                      $sSQL .= $sOrderSQL." as porder, ";
1092                                         $sSQL .= "-0.15 as importance ";
1093                                         $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
1094                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1095                                         $sSQL .= "group by place_id";
1096                                         if (!$bDeDupe) $sSQL .= ",place_id";
1097                                         $sSQL .= " union ";
1098                                         $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,";
1099                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1100                                         $sSQL .= "null as placename,";
1101                                         $sSQL .= "null as ref,";
1102                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1103 //                                      $sSQL .= $sOrderSQL." as porder, ";
1104                                         $sSQL .= "-0.10 as importance ";
1105                                         $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
1106                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1107                                         $sSQL .= "group by place_id";
1108                                         if (!$bDeDupe) $sSQL .= ",place_id";
1109                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1110                                         $sSQL .= "order by importance desc";
1111 //                                      $sSQL .= "order by rank_search,rank_address,porder asc";
1112                                         if (CONST_Debug) var_dump('<hr>',$sSQL);
1113                                         $aSearchResults = $oDB->getAll($sSQL);
1114 //var_dump($sSQL,$aSearchResults);exit;
1115
1116                                         if (PEAR::IsError($aSearchResults))
1117                                         {
1118                                                 failInternalError("Could not get details for place.", $sSQL, $aSearchResults);
1119                                         }
1120                                 }
1121                         } // end if ($sQuery)
1122                         else
1123                         {
1124                                 if (isset($_GET['nearlat']) && trim($_GET['nearlat'])!=='' && isset($_GET['nearlon']) && trim($_GET['nearlon']) !== '')
1125                                 {
1126                                         $iPlaceID = geocodeReverse($_GET['nearlat'], $_GET['nearlon']);
1127                                         $aResultPlaceIDs = array($iPlaceID);
1128
1129                                         // TODO: this needs refactoring!
1130
1131                                         // Get the details for display (is this a redundant extra step?)
1132                                         $sPlaceIDs = join(',',$aResultPlaceIDs);
1133                                         $sOrderSQL = 'CASE ';
1134                                         foreach(array_keys($aResultPlaceIDs) as $iOrder => $iPlaceID)
1135                                         {
1136                                                 $sOrderSQL .= 'when min(place_id) = '.$iPlaceID.' then '.$iOrder.' ';
1137                                         }
1138                                         $sOrderSQL .= ' ELSE 10000000 END';
1139                                         $sSQL = "select osm_type,osm_id,class,type,admin_level,rank_search,rank_address,min(place_id) as place_id,country_code,";
1140                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1141                                         $sSQL .= "get_name_by_language(name, $sLanguagePrefArraySQL) as placename,";
1142                                         $sSQL .= "get_name_by_language(name, ARRAY['ref']) as ref,";
1143                                         $sSQL .= "avg(ST_X(ST_Centroid(geometry))) as lon,avg(ST_Y(ST_Centroid(geometry))) as lat, ";
1144 //                                      $sSQL .= $sOrderSQL." as porder, ";
1145                                         $sSQL .= "coalesce(importance,0.9-(rank_search::float/30)) as importance ";
1146                                         $sSQL .= "from placex where place_id in ($sPlaceIDs) ";
1147                                         $sSQL .= "and placex.rank_address between $iMinAddressRank and $iMaxAddressRank ";
1148                                         $sSQL .= "group by osm_type,osm_id,class,type,admin_level,rank_search,rank_address,country_code,importance";
1149                                         if (!$bDeDupe) $sSQL .= ",place_id";
1150                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1151                                         $sSQL .= ",get_name_by_language(name, $sLanguagePrefArraySQL) ";
1152                                         $sSQL .= ",get_name_by_language(name, ARRAY['ref']) ";
1153                                         $sSQL .= " union ";
1154                                         $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,";
1155                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1156                                         $sSQL .= "null as placename,";
1157                                         $sSQL .= "null as ref,";
1158                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1159 //                                      $sSQL .= $sOrderSQL." as porder, ";
1160                                         $sSQL .= "-0.15 as importance ";
1161                                         $sSQL .= "from location_property_tiger where place_id in ($sPlaceIDs) ";
1162                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1163                                         $sSQL .= "group by place_id";
1164                                         if (!$bDeDupe) $sSQL .= ",place_id";
1165                                         $sSQL .= " union ";
1166                                         $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,";
1167                                         $sSQL .= "get_address_by_language(place_id, $sLanguagePrefArraySQL) as langaddress,";
1168                                         $sSQL .= "null as placename,";
1169                                         $sSQL .= "null as ref,";
1170                                         $sSQL .= "avg(ST_X(centroid)) as lon,avg(ST_Y(centroid)) as lat, ";
1171 //                                      $sSQL .= $sOrderSQL." as porder, ";
1172                                         $sSQL .= "-0.10 as importance ";
1173                                         $sSQL .= "from location_property_aux where place_id in ($sPlaceIDs) ";
1174                                         $sSQL .= "and 30 between $iMinAddressRank and $iMaxAddressRank ";
1175                                         $sSQL .= "group by place_id";
1176                                         if (!$bDeDupe) $sSQL .= ",place_id";
1177                                         $sSQL .= ",get_address_by_language(place_id, $sLanguagePrefArraySQL) ";
1178                                         $sSQL .= "order by importance desc";
1179 //                                      $sSQL .= "order by rank_search,rank_address,porder asc";
1180                                         if (CONST_Debug) var_dump('<hr>',$sSQL);
1181                                         $aSearchResults = $oDB->getAll($sSQL);
1182 //var_dump($sSQL,$aSearchResults);exit;
1183
1184                                         if (PEAR::IsError($aSearchResults))
1185                                         {
1186                         failInternalError("Could not get details for place (near).", $sSQL, $aSearchResults);
1187                                         }
1188                                 }
1189                         }
1190                 }
1191
1192         $sSearchResult = '';
1193         if (!sizeof($aSearchResults) && isset($_GET['q']) && $_GET['q'])
1194         {
1195                 $sSearchResult = 'No Results Found';
1196         }
1197 //var_Dump($aSearchResults);
1198 //exit;
1199         $aClassType = getClassTypesWithImportance();
1200         $aRecheckWords = preg_split('/\b/',$sQuery);
1201         foreach($aRecheckWords as $i => $sWord)
1202         {
1203                 if (!$sWord) unset($aRecheckWords[$i]);
1204         }
1205         foreach($aSearchResults as $iResNum => $aResult)
1206         {
1207                 if (CONST_Search_AreaPolygons)
1208                 {
1209                         // Get the bounding box and outline polygon
1210                         $sSQL = "select place_id,numfeatures,area,outline,";
1211                         $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(outline)),2)) as maxlat,";
1212                         $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(outline)),3)) as maxlon,";
1213                         $sSQL .= "ST_AsText(outline) as outlinestring from get_place_boundingbox_quick(".$aResult['place_id'].")";
1214
1215                         $sSQL = "select place_id,0 as numfeatures,st_area(geometry) as area,";
1216                         $sSQL .= "ST_Y(centroid) as centrelat,ST_X(centroid) as centrelon,";
1217                         $sSQL .= "ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),4)) as minlat,ST_Y(ST_PointN(ST_ExteriorRing(Box2D(geometry)),2)) as maxlat,";
1218                         $sSQL .= "ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),1)) as minlon,ST_X(ST_PointN(ST_ExteriorRing(Box2D(geometry)),3)) as maxlon";
1219                         if ($bAsGeoJSON) $sSQL .= ",ST_AsGeoJSON(geometry) as asgeojson";
1220                         if ($bAsKML) $sSQL .= ",ST_AsKML(geometry) as askml";
1221                         if ($bAsSVG) $sSQL .= ",ST_AsSVG(geometry) as assvg";
1222                         if ($bAsText) $sSQL .= ",ST_AsText(geometry) as astext";
1223                         if ($bShowPolygons) $sSQL .= ",ST_AsText(geometry) as outlinestring";
1224                         $sSQL .= " from placex where place_id = ".$aResult['place_id'].' and st_geometrytype(Box2D(geometry)) = \'ST_Polygon\'';
1225                         $aPointPolygon = $oDB->getRow($sSQL);
1226                         if (PEAR::IsError($aPointPolygon))
1227                         {
1228                                 failInternalError("Could not get outline.", $sSQL, $aPointPolygon);
1229                         }
1230                         if ($aPointPolygon['place_id'])
1231                         {
1232                                 if ($bAsGeoJSON) $aResult['asgeojson'] = $aPointPolygon['asgeojson'];
1233                                 if ($bAsKML) $aResult['askml'] = $aPointPolygon['askml'];
1234                                 if ($bAsSVG) $aResult['assvg'] = $aPointPolygon['assvg'];
1235                                 if ($bAsText) $aResult['astext'] = $aPointPolygon['astext'];
1236
1237                                 if ($aPointPolygon['centrelon'] !== null && $aPointPolygon['centrelat'] !== null ) {
1238                                         $aResult['lat'] = $aPointPolygon['centrelat'];
1239                                         $aResult['lon'] = $aPointPolygon['centrelon'];
1240                                 }
1241                                 if ($bShowPolygons)
1242                                 {
1243                                         // Translate geometary string to point array
1244                                         if (preg_match('#POLYGON\\(\\(([- 0-9.,]+)#',$aPointPolygon['outlinestring'],$aMatch))
1245                                         {
1246                                                 preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
1247                                         }
1248                                         elseif (preg_match('#MULTIPOLYGON\\(\\(\\(([- 0-9.,]+)#',$aPointPolygon['outlinestring'],$aMatch))
1249                                         {
1250                                                 preg_match_all('/(-?[0-9.]+) (-?[0-9.]+)/',$aMatch[1],$aPolyPoints,PREG_SET_ORDER);
1251                                         }
1252                                         elseif (preg_match('#POINT\\((-?[0-9.]+) (-?[0-9.]+)\\)#',$aPointPolygon['outlinestring'],$aMatch))
1253                                         {
1254                                                 $fRadius = 0.01;
1255                                                 $iSteps = ($fRadius * 40000)^2;
1256                                                 $fStepSize = (2*pi())/$iSteps;
1257                                                 $aPolyPoints = array();
1258                                                 for($f = 0; $f < 2*pi(); $f += $fStepSize)
1259                                                 {
1260                                                         $aPolyPoints[] = array('',$aMatch[1]+($fRadius*sin($f)),$aMatch[2]+($fRadius*cos($f)));
1261                                                 }
1262                                                 $aPointPolygon['minlat'] = $aPointPolygon['minlat'] - $fRadius;
1263                                                 $aPointPolygon['maxlat'] = $aPointPolygon['maxlat'] + $fRadius;
1264                                                 $aPointPolygon['minlon'] = $aPointPolygon['minlon'] - $fRadius;
1265                                                 $aPointPolygon['maxlon'] = $aPointPolygon['maxlon'] + $fRadius;
1266                                         }
1267                                 }
1268
1269                                 // Output data suitable for display (points and a bounding box)
1270                                 if ($bShowPolygons && isset($aPolyPoints))
1271                                 {
1272                                         $aResult['aPolyPoints'] = array();
1273                                         foreach($aPolyPoints as $aPoint)
1274                                         {
1275                                                 $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
1276                                         }
1277                                 }
1278                                 $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
1279                         }
1280                 }
1281
1282                 if (!isset($aResult['aBoundingBox']))
1283                 {
1284                         // Default
1285                         $fDiameter = 0.0001;
1286
1287                         if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
1288                                         && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defdiameter'])
1289                         {
1290                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['defzoom'];
1291                         }
1292                         elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
1293                                         && $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'])
1294                         {
1295                                 $fDiameter = $aClassType[$aResult['class'].':'.$aResult['type']]['defdiameter'];
1296                         }
1297                         $fRadius = $fDiameter / 2;
1298
1299                         $iSteps = max(8,min(100,$fRadius * 3.14 * 100000));
1300                         $fStepSize = (2*pi())/$iSteps;
1301                         $aPolyPoints = array();
1302                         for($f = 0; $f < 2*pi(); $f += $fStepSize)
1303                         {
1304                                 $aPolyPoints[] = array('',$aResult['lon']+($fRadius*sin($f)),$aResult['lat']+($fRadius*cos($f)));
1305                         }
1306                         $aPointPolygon['minlat'] = $aResult['lat'] - $fRadius;
1307                         $aPointPolygon['maxlat'] = $aResult['lat'] + $fRadius;
1308                         $aPointPolygon['minlon'] = $aResult['lon'] - $fRadius;
1309                         $aPointPolygon['maxlon'] = $aResult['lon'] + $fRadius;
1310
1311                         // Output data suitable for display (points and a bounding box)
1312                         if ($bShowPolygons)
1313                         {
1314                                 $aResult['aPolyPoints'] = array();
1315                                 foreach($aPolyPoints as $aPoint)
1316                                 {
1317                                         $aResult['aPolyPoints'][] = array($aPoint[1], $aPoint[2]);
1318                                 }
1319                         }
1320                         $aResult['aBoundingBox'] = array($aPointPolygon['minlat'],$aPointPolygon['maxlat'],$aPointPolygon['minlon'],$aPointPolygon['maxlon']);
1321                 }
1322
1323                 // Is there an icon set for this type of result?
1324                 if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
1325                         && $aClassType[$aResult['class'].':'.$aResult['type']]['icon'])
1326                 {
1327                         $aResult['icon'] = CONST_Website_BaseURL.'images/mapicons/'.$aClassType[$aResult['class'].':'.$aResult['type']]['icon'].'.p.20.png';
1328                 }
1329
1330                 if (isset($aClassType[$aResult['class'].':'.$aResult['type']]['label'])
1331                         && $aClassType[$aResult['class'].':'.$aResult['type']]['label'])
1332                 {
1333                         $aResult['label'] = $aClassType[$aResult['class'].':'.$aResult['type']]['label'];
1334                 }
1335
1336                 if ($bShowAddressDetails)
1337                 {
1338                         $aResult['address'] = getAddressDetails($oDB, $sLanguagePrefArraySQL, $aResult['place_id'], $aResult['country_code']);
1339 //var_dump($aResult['address']);
1340 //exit;
1341                 }
1342
1343                 // Adjust importance for the number of exact string matches in the result
1344                 $aResult['importance'] = max(0.001,$aResult['importance']);
1345                 $iCountWords = 0;
1346                 $sAddress = $aResult['langaddress'];
1347                 foreach($aRecheckWords as $i => $sWord)
1348                 {
1349                         if (stripos($sAddress, $sWord)!==false) $iCountWords++;
1350                 }
1351                 $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
1352
1353 //if (CONST_Debug) var_dump($aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']);
1354 /*
1355                 if (isset($aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'])
1356                         && $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'])
1357                 {
1358                         $aResult['importance'] = $aClassType[$aResult['class'].':'.$aResult['type'].':'.$aResult['admin_level']]['importance'];
1359                 }
1360                 elseif (isset($aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
1361                         && $aClassType[$aResult['class'].':'.$aResult['type']]['importance'])
1362                 {
1363                         $aResult['importance'] = $aClassType[$aResult['class'].':'.$aResult['type']]['importance'];
1364                 }
1365                 else
1366                 {
1367                         $aResult['importance'] = 1000000000000000;
1368                 }
1369 */
1370                 $aResult['name'] = $aResult['langaddress'];
1371                 $aResult['foundorder'] = $iResNum;
1372                 $aSearchResults[$iResNum] = $aResult;
1373         }
1374         uasort($aSearchResults, 'byImportance');
1375
1376 //var_dump($aSearchResults);exit;
1377
1378         $aOSMIDDone = array();
1379         $aClassTypeNameDone = array();
1380         $aToFilter = $aSearchResults;
1381         $aSearchResults = array();
1382
1383         $bFirst = true;
1384         foreach($aToFilter as $iResNum => $aResult)
1385         {
1386                 if ($aResult['type'] == 'adminitrative') $aResult['type'] = 'administrative';
1387                 $aExcludePlaceIDs[$aResult['place_id']] = $aResult['place_id'];
1388                 if ($bFirst)
1389                 {
1390                         $fLat = $aResult['lat'];
1391                         $fLon = $aResult['lon'];
1392                         if (isset($aResult['zoom'])) $iZoom = $aResult['zoom'];
1393                         $bFirst = false;
1394                 }
1395                 if (!$bDeDupe || (!isset($aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']])
1396                         && !isset($aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['name']])))
1397                 {
1398                         $aOSMIDDone[$aResult['osm_type'].$aResult['osm_id']] = true;
1399                         $aClassTypeNameDone[$aResult['osm_type'].$aResult['class'].$aResult['name']] = true;
1400                         $aSearchResults[] = $aResult;
1401                 }
1402
1403                 // Absolute limit on number of results
1404                 if (sizeof($aSearchResults) >= $iLimit) break;
1405         }
1406
1407         $sDataDate = $oDB->getOne("select TO_CHAR(lastimportdate - '1 day'::interval,'YYYY/MM/DD') from import_status limit 1");
1408
1409         if (isset($_GET['nearlat']) && isset($_GET['nearlon']))
1410         {
1411                 $sQuery .= ' ['.$_GET['nearlat'].','.$_GET['nearlon'].']';
1412         }
1413
1414         if ($sQuery)
1415         {
1416                 logEnd($oDB, $hLog, sizeof($aToFilter));
1417         }
1418         $sMoreURL = CONST_Website_BaseURL.'search?format='.urlencode($sOutputFormat).'&exclude_place_ids='.join(',',$aExcludePlaceIDs);
1419         $sMoreURL .= '&accept-language='.$_SERVER["HTTP_ACCEPT_LANGUAGE"];
1420         if ($bShowPolygons) $sMoreURL .= '&polygon=1';
1421         if ($bShowAddressDetails) $sMoreURL .= '&addressdetails=1';
1422         if (isset($_GET['viewbox']) && $_GET['viewbox']) $sMoreURL .= '&viewbox='.urlencode($_GET['viewbox']);
1423         if (isset($_GET['nearlat']) && isset($_GET['nearlon'])) $sMoreURL .= '&nearlat='.(float)$_GET['nearlat'].'&nearlon='.(float)$_GET['nearlon'];
1424         if ($sSuggestion)
1425         {
1426                 $sSuggestionURL = $sMoreURL.'&q='.urlencode($sSuggestion);
1427         }
1428         $sMoreURL .= '&q='.urlencode($sQuery);
1429
1430         if (CONST_Debug) exit;
1431
1432         include(CONST_BasePath.'/lib/template/search-'.$sOutputFormat.'.php');