]> git.openstreetmap.org Git - rails.git/blobdiff - app/controllers/amf_controller.rb
Show nearby users map in account view page
[rails.git] / app / controllers / amf_controller.rb
index 6aa64f6a76813952d974d319d1e69b2a247e9750..c8377991a9a26cb2a32ec638ffece4366804cfef 100644 (file)
@@ -11,7 +11,7 @@ class AmfController < ApplicationController
   # encoded in the Actionscript Message Format (AMF).
   #
   # Public domain. Set your tab width to 4 to read this document. :)
-  # editions Systeme D / Richard Fairhurst 2004-2007
+  # editions Systeme D / Richard Fairhurst 2004-2008
   
   # to trap errors (getway_old,putway,putpoi,deleteway only):
   #   return(-1,"message")             <-- just puts up a dialogue
@@ -83,128 +83,27 @@ class AmfController < ApplicationController
 
   private
 
+
   # ====================================================================
   # Remote calls
 
   # ----- getpresets
-  #          return presets,presetmenus and presetnames arrays
+  #              in:   none
+  #              does: reads tag preset menus, colours, and autocomplete config files
+  #          out:  [0] presets, [1] presetmenus, [2] presetnames,
+  #                            [3] colours, [4] casing, [5] areas, [6] autotags (all hashes)
 
   def getpresets
+    RAILS_DEFAULT_LOGGER.info("  Message: getpresets")
+
+       # Read preset menus
     presets={}
     presetmenus={}; presetmenus['point']=[]; presetmenus['way']=[]; presetmenus['POI']=[]
     presetnames={}; presetnames['point']={}; presetnames['way']={}; presetnames['POI']={}
     presettype=''
     presetcategory=''
-
-    RAILS_DEFAULT_LOGGER.info("  Message: getpresets")
-
-    #          File.open("config/potlatch/presets.txt") do |file|
-
-    # Temporary patch to get around filepath problem
-    # To remove this patch and make the code nice again:
-    # 1. uncomment above line
-    # 2. fix the path in the above line
-    # 3. delete this here document, and the following line (StringIO....)
-
-    txt=<<-EOF
-way/road
-motorway: highway=motorway,ref=(type road number)
-trunk road: highway=trunk,ref=(type road number),name=(type road name)
-primary road: highway=primary,ref=(type road number),name=(type road name)
-secondary road: highway=secondary,ref=(type road number),name=(type road name)
-tertiary road: highway=tertiary,ref=,name=(type road name)
-residential road: highway=residential,ref=,name=(type road name)
-unclassified road: highway=unclassified,ref=,name=(type road name)
-
-way/footway
-footpath: highway=footway,foot=yes
-bridleway: highway=bridleway,foot=yes
-byway: highway=unsurfaced,foot=yes
-permissive path: highway=footway,foot=permissive
-
-way/cycleway
-cycle lane: highway=cycleway,cycleway=lane,ncn_ref=
-cycle track: highway=cycleway,cycleway=track,ncn_ref=
-cycle lane (NCN): highway=cycleway,cycleway=lane,name=(type name here),ncn_ref=(type route number)
-cycle track (NCN): highway=cycleway,cycleway=track,name=(type name here),ncn_ref=(type route number)
-
-way/waterway
-canal: waterway=canal,name=(type name here)
-navigable river: waterway=river,boat=yes,name=(type name here)
-navigable drain: waterway=drain,boat=yes,name=(type name here)
-derelict canal: waterway=derelict_canal,name=(type name here)
-unnavigable river: waterway=river,boat=no,name=(type name here)
-unnavigable drain: waterway=drain,boat=no,name=(type name here)
-stream: waterway=stream,boat=no,name=(type name here)
-
-way/railway
-railway: railway=rail
-tramway: railway=tram
-light railway: railway=light_rail
-preserved railway: railway=preserved
-disused railway tracks: railway=disused
-course of old railway: railway=abandoned
-
-way/natural
-lake: natural=water,landuse=
-forest: landuse=forest,natural=
-
-point/road
-mini roundabout: highway=mini_roundabout
-traffic lights: highway=traffic_signals
-
-point/footway
-bridge: highway=bridge
-gate: highway=gate
-stile: highway=stile
-cattle grid: highway=cattle_grid
-
-point/cycleway
-gate: highway=gate
-
-point/waterway
-lock gate: waterway=lock_gate
-weir: waterway=weir
-aqueduct: waterway=aqueduct
-winding hole: waterway=turning_point
-mooring: waterway=mooring
-
-point/railway
-station: railway=station
-viaduct: railway=viaduct
-level crossing: railway=crossing
-
-point/natural
-peak: natural=peak
-
-POI/road
-car park: amenity=parking
-petrol station: amenity=fuel
-
-POI/cycleway
-bike park: amenity=bicycle_parking
-
-POI/place
-city: place=city,name=(type name here),is_in=(type region or county)
-town: place=town,name=(type name here),is_in=(type region or county)
-suburb: place=suburb,name=(type name here),is_in=(type region or county)
-village: place=village,name=(type name here),is_in=(type region or county)
-hamlet: place=hamlet,name=(type name here),is_in=(type region or county)
-
-POI/tourism
-attraction: tourism=attraction,amenity=,religion=,denomination=
-church: tourism=,amenity=place_of_worship,name=(type name here),religion=christian,denomination=(type denomination here)
-hotel: tourism=hotel,amenity=,religion=,denomination=
-other religious: tourism=,amenity=place_of_worship,name=(type name here),religion=(type religion),denomination=
-post box: amenity=post_box,tourism=,name=,religion=,denomination=
-post office: amenity=post_office,tourism=,name=,religion=,denomination=
-pub: tourism=,amenity=pub,name=(type name here),religion=,denomination=
-
-POI/natural
-peak: natural=peak
-EOF
-
-    StringIO.open(txt) do |file|
+#      StringIO.open(txt) do |file|
+       File.open("#{RAILS_ROOT}/config/potlatch/presets.txt") do |file|
       file.each_line {|line|
         t=line.chomp
         if (t=~/(\w+)\/(\w+)/) then
@@ -222,13 +121,51 @@ EOF
         end
       }
     end
-    [presets,presetmenus,presetnames]
+    
+    # Read colours/styling
+       colours={}; casing={}; areas={}
+       File.open("#{RAILS_ROOT}/config/potlatch/colours.txt") do |file|
+         file.each_line {|line|
+               t=line.chomp
+               if (t=~/(\w+)\s+([^\s]+)\s+([^\s]+)\s+([^\s]+)/) then
+                 tag=$1
+                 if ($2!='-') then colours[tag]=$2.hex end
+                 if ($3!='-') then casing[tag]=$3.hex end
+                 if ($4!='-') then areas[tag]=$4.hex end
+               end
+         }
+       end
+       
+       # Read auto-complete
+       autotags={}; autotags['point']={}; autotags['way']={}; autotags['POI']={};
+       File.open("#{RAILS_ROOT}/config/potlatch/autocomplete.txt") do |file|
+               file.each_line {|line|
+                       t=line.chomp
+                       if (t=~/^(\w+)\/(\w+)\s+(.+)$/) then
+                               tag=$1; type=$2; values=$3
+                               if values=='-' then autotags[type][tag]=[]
+                                                          else autotags[type][tag]=values.split(',').sort.reverse end
+                       end
+               }
+       end
+       
+    [presets,presetmenus,presetnames,colours,casing,areas,autotags]
   end
 
-  # ----- whichways(left,bottom,right,top)
+  # ----- whichways
   #              return array of ways in current bounding box
-  #              at present, instead of using correct (=more complex) SQL to find
-  #              corner-crossing ways, it simply enlarges the bounding box by +/- 0.01
+
+  #              in:   [0] xmin, [1] ymin, [2] xmax, [3] ymax (bbox in degrees)
+  #                            [4] baselong (longitude of SWF map origin),
+  #                            [5] basey (projected latitude of SWF map origin),
+  #                            [6] masterscale (SWF map scale)
+  #              does: finds all ways and POI nodes in bounding box
+  #                            at present, instead of using correct (=more complex) SQL to find
+  #                            corner-crossing ways, it simply enlarges the bounding box
+  #              out:  [0] array of way ids,
+  #                            [1] array of POIs
+  #                            (where each POI is an array containing:
+  #                             [0] id, [1] projected long, [2] projected lat, [3] hash of tags)
 
   def whichways(args)
     xmin = args[0].to_f-0.01
@@ -263,8 +200,12 @@ EOF
     [ways,points]
   end
 
-  # ----- whichways_deleted(left,bottom,right,top)
+  # ----- whichways_deleted
   #              return array of deleted ways in current bounding box
+
+  #              in:   as whichways
+  #              does: finds all deleted ways with a deleted node in bounding box
+  #              out:  [0] array of way ids
   
   def whichways_deleted(args)
     xmin = args[0].to_f-0.01
@@ -289,9 +230,16 @@ EOF
        [ways]
   end
   
-  # ----- getway (objectname, way, baselong, basey, masterscale)
-  #              returns objectname, array of co-ordinates, attributes,
-  #                              xmin,xmax,ymin,ymax
+  # ----- getway
+  #              in:   [0] SWF object name, [1] way id, [2] baselong, [3] basey,
+  #                            [4] masterscale
+  #              does: gets way and all nodes
+  #              out:  [0] SWF object name (unchanged),
+  #                            [1] array of points
+  #                                    (where each point is an array containing
+  #                                     [0] projected long, [1] projected lat, [2] node id,
+  #                                     [3] null, [4] hash of node tags),
+  #                            [2] xmin, [3] xmax, [4] ymin, [5] ymax (unprojected bbox)
 
   def getway(args)
     objname,wayid,baselong,basey,masterscale=args
@@ -302,7 +250,7 @@ EOF
 
     RAILS_DEFAULT_LOGGER.info("  Message: getway, id=#{wayid}")
 
-    readwayquery(wayid).each {|row|
+    readwayquery(wayid,true).each {|row|
       points<<[long2coord(row['longitude'].to_f,baselong,masterscale),lat2coord(row['latitude'].to_f,basey,masterscale),row['id'].to_i,nil,tag2array(row['tags'])]
       xmin = [xmin,row['longitude'].to_f].min
       xmax = [xmax,row['longitude'].to_f].max
@@ -317,12 +265,25 @@ EOF
     [objname,points,attributes,xmin,xmax,ymin,ymax]
   end
   
-  # -----      getway_old (objectname, way, version, baselong, basey, masterscale)
-  #                    returns old version of way
+  # ----- getway_old
+  #              returns old version of way
+
+  #              in:   [0] SWF object name, [1] way id,
+  #                            [2] way version to get (or -1 for "last deleted version")
+  #                            [3] baselong, [4] basey, [5] masterscale
+  #              does: gets old version of way and all constituent nodes
+  #                            for undelete, always uses the most recent version of each node
+  #                              (even if it's moved)
+  #                            for revert, uses the historic version of each node, but if that node is
+  #                              still visible and has been changed since, generates a new node id
+  #              out:  [0] 0 (code for success), [1] SWF object name,
+  #                            [2] array of points (as getway _except_ [3] is node.visible?, 0 or 1),
+  #                            [4] xmin, [5] xmax, [6] ymin, [7] ymax (unprojected bbox),
+  #                            [8] way version
 
   def getway_old(args)
     RAILS_DEFAULT_LOGGER.info("  Message: getway_old (server is #{SERVER_URL})")
-       if SERVER_URL=="www.openstreetmap.org" then return -1,"Revert is not currently enabled on the OpenStreetMap server." end
+#      if SERVER_URL=="www.openstreetmap.org" then return -1,"Revert is not currently enabled on the OpenStreetMap server." end
        
     objname,wayid,version,baselong,basey,masterscale=args
     wayid = wayid.to_i
@@ -353,9 +314,14 @@ EOF
     [0,objname,points,attributes,xmin,xmax,ymin,ymax,version]
   end
 
-  # -----      getway_history (way)
-  #                    returns array of previous versions (version,timestamp,visible,user)
-  #                    should also show 'created_by'
+  # ----- getway_history
+  #              find history of a way
+
+  #              in:   [0] way id
+  #              does: finds history of a way
+  #              out:  [0] array of previous versions (where each is
+  #                                    [0] version, [1] db timestamp, [2] visible 0 or 1,
+  #                                    [3] username or 'anonymous')
 
   def getway_history(wayid)
        history=[]
@@ -369,16 +335,25 @@ EOF
        EOF
        histlist=ActiveRecord::Base.connection.select_all(sql)
        histlist.each { |row|
-               if row['data_public'] then user=row['display_name'] else user='anonymous' end
+               if row['data_public'].to_i==1 then user=row['display_name'] else user='anonymous' end
                history<<[row['version'],row['timestamp'],row['visible'],user]
        }
        [history]
   end
 
-  # -----      putway (user token, way, array of co-ordinates, array of attributes,
-  #                                    baselong, basey, masterscale)
-  #                    returns current way ID, new way ID, hash of renumbered nodes,
-  #                                    xmin,xmax,ymin,ymax
+  # ----- putway
+  #              saves a way to the database
+  
+  #              in:   [0] user token, [1] original way id (may be negative), 
+  #                            [2] array of points (as getway/getway_old), [3] hash of way tags,
+  #                            [4] original way version (0 if not a reverted/undeleted way),
+  #                            [5] baselong, [6] basey, [7] masterscale
+  #              does: saves way to the database
+  #                            all constituent nodes are created/updated as necessary
+  #                            (or deleted if they were in the old version and are otherwise unused)
+  #              out:  [0] 0 (code for success), [1] original way id (unchanged),
+  #                            [2] new way id, [3] hash of renumbered nodes (old id=>new id),
+  #                            [4] xmin, [5] xmax, [6] ymin, [7] ymax (unprojected bbox)
 
   def putway(args,renumberednodes)
     RAILS_DEFAULT_LOGGER.info("  putway started")
@@ -406,25 +381,17 @@ EOF
     xc={}; yc={}; tagc={}; vc={}
     if originalway>0
       way=originalway
-         if oldversion==0
-           readwayquery(way).each { |row|
-                 id=row['id'].to_i
+         if oldversion==0 then r=readwayquery(way,false)
+                                          else r=readwayquery_old(way,oldversion,true) end
+         r.each { |row|
+               id=row['id'].to_i
+               if (id>0) then
                  xc[id]=row['longitude'].to_f
                  yc[id]=row['latitude' ].to_f
                  tagc[id]=row['tags']
-                 vc[id]=1
-               }
-         else
-           readwayquery_old(way,oldversion,true).each { |row|
-                 id=row['id'].to_i
-                 if (id>0) then
-                       xc[id]=row['longitude'].to_f
-                       yc[id]=row['latitude' ].to_f
-                       tagc[id]=row['tags']
-                       vc[id]=row['visible'].to_i
-                 end
-               }
-         end
+                 vc[id]=row['visible'].to_i
+           end
+         }
       ActiveRecord::Base.connection.update("UPDATE current_ways SET timestamp=#{db_now},user_id=#{uid},visible=1 WHERE id=#{way}")
     else
       way=ActiveRecord::Base.connection.insert("INSERT INTO current_ways (user_id,timestamp,visible) VALUES (#{uid},#{db_now},1)")
@@ -469,7 +436,7 @@ EOF
       elsif xc.has_key?(node)
                nodelist.push(node)
         # old node from original way - update
-        if (xs!=xc[node] or (ys/0.0000001).round!=(yc[node]/0.0000001).round or tagstr!=tagc[node] or vc[node]==0)
+        if ((xs/0.0000001).round!=(xc[node]/0.0000001).round or (ys/0.0000001).round!=(yc[node]/0.0000001).round or tagstr!=tagc[node] or vc[node]==0)
           ActiveRecord::Base.connection.insert("INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES (#{node},#{lat},#{long},#{db_now},#{uid},1,#{tagsql},#{tile})")
           ActiveRecord::Base.connection.update("UPDATE current_nodes SET latitude=#{lat},longitude=#{long},timestamp=#{db_now},user_id=#{uid},tags=#{tagsql},visible=1,tile=#{tile} WHERE id=#{node}")
         end
@@ -499,7 +466,7 @@ EOF
     ActiveRecord::Base.connection.update(sql)
 
        deleteuniquenoderelations(db_uqn,uid,db_now)
-    ActiveRecord::Base.connection.execute("DROP TABLE #{db_uqn}")
+    ActiveRecord::Base.connection.execute("DROP TEMPORARY TABLE #{db_uqn}")
 
        #       6b. insert new version of route into way_nodes
 
@@ -538,10 +505,16 @@ EOF
     [0,originalway,way,renumberednodes,xmin,xmax,ymin,ymax]
   end
 
-  # -----      putpoi (user token, id, x,y,tag array,visible,baselong,basey,masterscale)
-  #                    returns current id, new id
-  #                    if new: add new row to current_nodes and nodes
-  #                    if old: add new row to nodes, update current_nodes
+  # ----- putpoi
+  #              save POI to the database
+  
+  #              in:   [0] user token, [1] original node id (may be negative),
+  #                            [2] projected longitude, [3] projected latitude, [4] hash of tags,
+  #                            [5] visible (0 to delete, 1 otherwise), 
+  #                            [6] baselong, [7] basey, [8] masterscale
+  #              does: saves POI node to the database
+  #                            refuses save if the node has since become part of a way
+  #              out:  [0] 0 (success), [1] original node id (unchanged), [2] new node id
 
   def putpoi(args)
     usertoken,id,x,y,tags,visible,baselong,basey,masterscale=args
@@ -578,8 +551,13 @@ EOF
     [0,id,newid]
   end
 
-  # -----      getpoi (id,baselong,basey,masterscale)
-  #                    returns id,x,y,tag array
+  # ----- getpoi
+  #              read POI from database
+  #              (only called on revert: POIs are usually read by whichways)
+  
+  #              in:   [0] node id, [1] baselong, [2] basey, [3] masterscale
+  #              does: reads POI
+  #              out:  [0] id (unchanged), [1] projected long, [2] projected lat, [3] hash of tags
   
   def getpoi(args)
        id,baselong,basey,masterscale=args; id=id.to_i
@@ -592,8 +570,13 @@ EOF
         tag2array(poi['tags'])]
   end
 
-  # -----      deleteway (user token, way, nodes to keep)
-  #                    returns way ID only
+  # ----- deleteway
+  #              delete way and constituent nodes from database
+  
+  #              in:   [0] user token, [1] way id
+  #              does: deletes way from db and any constituent nodes not used elsewhere
+  #                            also removes ways/nodes from any relations they're in
+  #              out:  [0] 0 (success), [1] way id (unchanged)
 
   def deleteway(args)
     usertoken,way=args
@@ -631,7 +614,7 @@ EOF
     ActiveRecord::Base.connection.update(sql)
 
        deleteuniquenoderelations(db_uqn,uid,db_now)
-    ActiveRecord::Base.connection.execute("DROP TABLE #{db_uqn}")
+    ActiveRecord::Base.connection.execute("DROP TEMPORARY TABLE #{db_uqn}")
 
     # - delete way
        
@@ -648,13 +631,16 @@ end
 # ====================================================================
 # Support functions for remote calls
 
-def readwayquery(id)
-  ActiveRecord::Base.connection.select_all "SELECT latitude*0.0000001 AS latitude,longitude*0.0000001 AS longitude,current_nodes.id,tags "+
-      "    FROM current_way_nodes,current_nodes "+
-      "   WHERE current_way_nodes.id=#{id} "+
-      "     AND current_way_nodes.node_id=current_nodes.id "+
-      "     AND current_nodes.visible=1 "+
-      "   ORDER BY sequence_id"
+def readwayquery(id,insistonvisible)
+  sql=<<-EOF
+    SELECT latitude*0.0000001 AS latitude,longitude*0.0000001 AS longitude,current_nodes.id,tags,visible 
+      FROM current_way_nodes,current_nodes 
+     WHERE current_way_nodes.id=#{id} 
+       AND current_way_nodes.node_id=current_nodes.id 
+  EOF
+  if insistonvisible then sql+=" AND current_nodes.visible=1 " end
+  sql+=" ORDER BY sequence_id"
+  ActiveRecord::Base.connection.select_all(sql)
 end
 
 def getlastversion(id,version)