X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/d77fb110fbca4fc7ec796b1ce5f5249b40df561f..d626256bc2f2798202dbb4656f2f53aab0815f2c:/app/controllers/amf_controller.rb

diff --git a/app/controllers/amf_controller.rb b/app/controllers/amf_controller.rb
index e0086b51d..950fd848f 100644
--- a/app/controllers/amf_controller.rb
+++ b/app/controllers/amf_controller.rb
@@ -1,6 +1,9 @@
 class AmfController < ApplicationController
   require 'stringio'
 
+  session :off
+  before_filter :check_write_availability
+
   # to log:
   # RAILS_DEFAULT_LOGGER.error("Args: #{args[0]}, #{args[1]}, #{args[2]}, #{args[3]}")
 
@@ -10,9 +13,10 @@ class AmfController < ApplicationController
   # ---- talk	process AMF request
 
   def talk
-    req=StringIO.new(request.raw_post)	# Get POST data as request
-    req.read(2)							# Skip version indicator and client ID
-    results={}							# Results of each body
+    req=StringIO.new(request.raw_post+0.chr)	# Get POST data as request
+    											# (cf http://www.ruby-forum.com/topic/122163)
+    req.read(2)									# Skip version indicator and client ID
+    results={}									# Results of each body
 
     # -------------
     # Parse request
@@ -34,24 +38,28 @@ class AmfController < ApplicationController
       args=getvalue(req)				#  | get response (probably an array)
 
       case message
-      when 'getpresets';	results[index]=putdata(index,getpresets)
-      when 'whichways';		results[index]=putdata(index,whichways(args))
-      when 'getway';		results[index]=putdata(index,getway(args))
-      when 'putway';		results[index]=putdata(index,putway(args))
-      when 'deleteway';		results[index]=putdata(index,deleteway(args))
+		  when 'getpresets';	results[index]=putdata(index,getpresets)
+		  when 'whichways';		results[index]=putdata(index,whichways(args))
+		  when 'getway';		results[index]=putdata(index,getway(args))
+		  when 'putway';		results[index]=putdata(index,putway(args))
+		  when 'deleteway';		results[index]=putdata(index,deleteway(args))
+		  when 'putpoi';		results[index]=putdata(index,putpoi(args))
+		  when 'getpoi';		results[index]=putdata(index,getpoi(args))
       end
     end
 
     # ------------------
     # Write out response
 
-    response.headers["Content-Type"]="application/x-amf"
+    RAILS_DEFAULT_LOGGER.info("  Response: start")
     a,b=results.length.divmod(256)
-    ans=0.chr+0.chr+0.chr+0.chr+a.chr+b.chr
-    results.each do |k,v|
-      ans+=v
-    end
-    render :text => ans
+	render :content_type => "application/x-amf", :text => proc { |response, output| 
+        output.write 0.chr+0.chr+0.chr+0.chr+a.chr+b.chr
+		results.each do |k,v|
+		  output.write(v)
+		end
+	}
+    RAILS_DEFAULT_LOGGER.info("  Response: end")
 
   end
 
@@ -60,17 +68,17 @@ class AmfController < ApplicationController
   # ====================================================================
   # Remote calls
 
-  # -----	getpresets
-  #		return presets,presetmenus and presetnames arrays
+  # ----- getpresets
+  #	      return presets,presetmenus and presetnames arrays
 
   def getpresets
     presets={}
-    presetmenus={}; presetmenus['point']=[]; presetmenus['way']=[]
-    presetnames={}; presetnames['point']={}; presetnames['way']={}
+    presetmenus={}; presetmenus['point']=[]; presetmenus['way']=[]; presetmenus['POI']=[]
+    presetnames={}; presetnames['point']={}; presetnames['way']={}; presetnames['POI']={}
     presettype=''
     presetcategory=''
 
-    ActiveRecord::Base.logger.info("  Message: getpresets")
+    RAILS_DEFAULT_LOGGER.info("  Message: getpresets")
 
     #		File.open("config/potlatch/presets.txt") do |file|
 
@@ -86,13 +94,14 @@ 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)
-residential road: highway=residential,name=(type road name)
-unclassified road: highway=unclassified,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,horse=yes,bicycle=yes
-byway: highway=byway,foot=yes,horse=yes,bicycle=yes,motorcar=yes
+bridleway: highway=bridleway,foot=yes
+byway: highway=unsurfaced,foot=yes
 permissive path: highway=footway,foot=permissive
 
 way/cycleway
@@ -117,6 +126,10 @@ 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
@@ -141,6 +154,35 @@ 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: point=peak
 EOF
 
     StringIO.open(txt) do |file|
@@ -164,48 +206,47 @@ EOF
     return [presets,presetmenus,presetnames]
   end
 
-  # -----	whichways(left,bottom,right,top)
-  #		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
+  # ----- whichways(left,bottom,right,top)
+  #		  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
 
   def whichways(args)
     xmin = args[0].to_f-0.01
     ymin = args[1].to_f-0.01
     xmax = args[2].to_f+0.01
     ymax = args[3].to_f+0.01
+    baselong    = args[4]
+    basey       = args[5]
+    masterscale = args[6]
 
-    ActiveRecord::Base.logger.info("  Message: whichways, bbox=#{xmin},#{ymin},#{xmax},#{ymax}")
+    RAILS_DEFAULT_LOGGER.info("  Message: whichways, bbox=#{xmin},#{ymin},#{xmax},#{ymax}")
 
-    waylist=WaySegment.find_by_sql("SELECT DISTINCT current_way_segments.id AS wayid"+
-       "  FROM current_way_segments,current_segments,current_nodes,current_ways "+
-       " WHERE segment_id=current_segments.id "+
-       "   AND current_segments.visible=1 "+
-       "   AND node_a=current_nodes.id "+
-	   "   AND current_ways.id=current_way_segments.id "+
-	   "   AND current_ways.visible=1 "+
-       "   AND (latitude  BETWEEN "+ymin.to_s+" AND "+ymax.to_s+") "+
-       "   AND (longitude BETWEEN "+xmin.to_s+" AND "+xmax.to_s+")")
+    waylist = ActiveRecord::Base.connection.select_all("SELECT DISTINCT current_way_nodes.id AS wayid"+
+       "  FROM current_way_nodes,current_nodes,current_ways "+
+       " WHERE current_nodes.id=current_way_nodes.node_id "+
+       "   AND current_nodes.visible=1 "+
+       "   AND current_ways.id=current_way_nodes.id "+
+       "   AND current_ways.visible=1 "+
+       "   AND "+OSM.sql_for_area(ymin, xmin, ymax, xmax, "current_nodes."))
 
-       ways = waylist.collect {|a| a.wayid.to_i } # get an array of way id's
+    ways = waylist.collect {|a| a['wayid'].to_i } # get an array of way id's
 
-       pointlist =ActiveRecord::Base.connection.select_all("SELECT current_nodes.id,current_nodes.tags "+
+    pointlist = ActiveRecord::Base.connection.select_all("SELECT current_nodes.id,current_nodes.latitude*0.0000001 AS lat,current_nodes.longitude*0.0000001 AS lng,current_nodes.tags "+
        "  FROM current_nodes "+
-       "  LEFT OUTER JOIN current_segments cs1 ON cs1.node_a=current_nodes.id "+
-       "  LEFT OUTER JOIN current_segments cs2 ON cs2.node_b=current_nodes.id "+
-       " WHERE (latitude  BETWEEN "+ymin.to_s+" AND "+ymax.to_s+") "+
-       "   AND (longitude BETWEEN "+xmin.to_s+" AND "+xmax.to_s+") "+
-       "   AND cs1.id IS NULL AND cs2.id IS NULL "+
+       "  LEFT OUTER JOIN current_way_nodes cwn ON cwn.node_id=current_nodes.id "+
+       " WHERE "+OSM.sql_for_area(ymin, xmin, ymax, xmax, "current_nodes.")+
+       "   AND cwn.id IS NULL "+
        "   AND current_nodes.visible=1")
 
-	    points = pointlist.collect {|a| [a['id'],tag2array(a['tags'])]	} # get a list of node ids and their tags
+    points = pointlist.collect {|a| [a['id'],long2coord(a['lng'].to_f,baselong,masterscale),lat2coord(a['lat'].to_f,basey,masterscale),tag2array(a['tags'])]	} # get a list of node ids and their tags
 
     return [ways,points]
   end
 
-  # -----	getway (objectname, way, baselong, basey, masterscale)
-  #			returns objectname, array of co-ordinates, attributes,
-  #					xmin,xmax,ymin,ymax
+  # ----- getway (objectname, way, baselong, basey, masterscale)
+  #		  returns objectname, array of co-ordinates, attributes,
+  #				  xmin,xmax,ymin,ymax
 
   def getway(args)
     objname,wayid,baselong,basey,masterscale=args
@@ -215,23 +256,19 @@ EOF
     xmin = ymin = 999999
     xmax = ymax = -999999
 
-    ActiveRecord::Base.logger.info("  Message: getway, id=#{wayid}")
+    RAILS_DEFAULT_LOGGER.info("  Message: getway, id=#{wayid}")
 
     readwayquery(wayid).each {|row|
-      xs1=long2coord(row['long1'].to_f,baselong,masterscale); ys1=lat2coord(row['lat1'].to_f,basey,masterscale)
-      xs2=long2coord(row['long2'].to_f,baselong,masterscale); ys2=lat2coord(row['lat2'].to_f,basey,masterscale)
-      points << [xs1,ys1,row['id1'].to_i,0,tag2array(row['tags1']),0] if (row['id1'].to_i!=lastid)
-      lastid = row['id2'].to_i
-      points << [xs2,ys2,row['id2'].to_i,1,tag2array(row['tags2']),row['segment_id'].to_i]
-      xmin = [xmin,row['long1'].to_f,row['long2'].to_f].min
-      xmax = [xmax,row['long1'].to_f,row['long2'].to_f].max
-      ymin = [ymin,row['lat1'].to_f,row['lat2'].to_f].min
-      ymax = [ymax,row['lat1'].to_f,row['lat2'].to_f].max
+      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
+      ymin = [ymin,row['latitude'].to_f].min
+      ymax = [ymax,row['latitude'].to_f].max
     }
 
     attributes={}
     attrlist=ActiveRecord::Base.connection.select_all "SELECT k,v FROM current_way_tags WHERE id=#{wayid}"
-    attrlist.each {|a| attributes[a['k']]=a['v'] }
+    attrlist.each {|a| attributes[a['k'].gsub(':','|')]=a['v'] }
 
     [objname,points,attributes,xmin,xmax,ymin,ymax]
   end
@@ -242,28 +279,30 @@ EOF
   #					xmin,xmax,ymin,ymax
 
   def putway(args)
+    RAILS_DEFAULT_LOGGER.info("  putway started")
     usertoken,originalway,points,attributes,baselong,basey,masterscale=args
     uid=getuserid(usertoken)
     return if !uid
-    db_uqs='uniq'+uid.to_s+originalway.to_i.abs.to_s+Time.new.to_i.to_s	# temp uniquesegments table name, typically 51 chars
+    RAILS_DEFAULT_LOGGER.info("  putway authenticated happily")
     db_uqn='unin'+uid.to_s+originalway.to_i.abs.to_s+Time.new.to_i.to_s	# temp uniquenodes table name, typically 51 chars
     db_now='@now'+uid.to_s+originalway.to_i.abs.to_s+Time.new.to_i.to_s	# 'now' variable name, typically 51 chars
     ActiveRecord::Base.connection.execute("SET #{db_now}=NOW()")
     originalway=originalway.to_i
 
-    ActiveRecord::Base.logger.info("  Message: putway, id=#{way}")
+    RAILS_DEFAULT_LOGGER.info("  Message: putway, id=#{originalway}")
 
     # -- 3.	read original way into memory
 
-    xc={}; yc={}; tagc={}; seg={}
+    xc={}; yc={}; tagc={}
     if originalway>0
       way=originalway
       readwayquery(way).each { |row|
-        id1=row['id1'].to_i; xc[id1]=row['long1'].to_f; yc[id1]=row['lat1'].to_f; tagc[id1]=row['tags1']
-        id2=row['id2'].to_i; xc[id2]=row['long2'].to_f; yc[id2]=row['lat2'].to_f; tagc[id2]=row['tags2']
-        seg[row['segment_id'].to_i]=id1.to_s+'-'+id2.to_s
+        id=row['id'].to_i
+        xc[id]=row['longitude'].to_f
+        yc[id]=row['latitude' ].to_f
+        tagc[id]=row['tags']
       }
-	  ActiveRecord::Base.connection.update("UPDATE current_ways SET timestamp=#{db_now},user_id=#{uid},visible=1 WHERE id=#{way}")
+      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)")
     end
@@ -274,10 +313,11 @@ EOF
 
     # -- 5. compare nodes and update xmin,xmax,ymin,ymax
 
-    xmin = ymin = 999999
-    xmax = ymax = -999999
-    insertsql = ''
+    xmin=ymin= 999999
+    xmax=ymax=-999999
+    insertsql=''
     renumberednodes={}
+	nodelist=[]
 
     points.each_index do |i|
       xs=coord2long(points[i][0],masterscale,baselong)
@@ -285,83 +325,47 @@ EOF
       xmin=[xs,xmin].min; xmax=[xs,xmax].max
       ymin=[ys,ymin].min; ymax=[ys,ymax].max
       node=points[i][2].to_i
-      tagstr=array2tag(points[i][4])
+	  tagstr=array2tag(points[i][4])
       tagsql="'"+sqlescape(tagstr)+"'"
+      lat=(ys * 10000000).round
+      long=(xs * 10000000).round
+      tile=QuadTile.tile_for_point(ys, xs)
 
       # compare node
       if node<0
         # new node - create
-        newnode=ActiveRecord::Base.connection.insert("INSERT INTO current_nodes (   latitude,longitude,timestamp,user_id,visible,tags) VALUES (           #{ys},#{xs},#{db_now},#{uid},1,#{tagsql})")
-        		ActiveRecord::Base.connection.insert("INSERT INTO nodes         (id,latitude,longitude,timestamp,user_id,visible,tags) VALUES (#{newnode},#{ys},#{xs},#{db_now},#{uid},1,#{tagsql})")
-        points[i][2]=newnode
-        renumberednodes[node.to_s]=newnode.to_s
+		if renumberednodes[node.to_s].nil?
+          newnode=ActiveRecord::Base.connection.insert("INSERT INTO current_nodes (   latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES (           #{lat},#{long},#{db_now},#{uid},1,#{tagsql},#{tile})")
+                  ActiveRecord::Base.connection.insert("INSERT INTO nodes         (id,latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES (#{newnode},#{lat},#{long},#{db_now},#{uid},1,#{tagsql},#{tile})")
+          points[i][2]=newnode
+          nodelist.push(newnode)
+          renumberednodes[node.to_s]=newnode.to_s
+		else
+          points[i][2]=renumberednodes[node.to_s].to_i
+		end
 
       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])
-          ActiveRecord::Base.connection.insert("INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tags) VALUES (#{node},#{ys},#{xs},#{db_now},#{uid},1,#{tagsql})")
-          ActiveRecord::Base.connection.update("UPDATE current_nodes SET latitude=#{ys},longitude=#{xs},timestamp=#{db_now},user_id=#{uid},tags=#{tagsql},visible=1 WHERE id=#{node}")
+          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
       else
         # old node, created in another way and now added to this way
       end
-
     end
 
 
-    # -- 6.i compare segments
-
-    numberedsegments={}
-    seglist=''				# list of existing segments that we want to keep
-    for i in (0..(points.length-2))
-      if (points[i+1][3].to_i==0) then next end
-      segid=points[i+1][5].to_i
-      from =points[i  ][2].to_i
-      to   =points[i+1][2].to_i
-      if seg.has_key?(segid)
-        if seg[segid]=="#{from}-#{to}" then 
-          if (seglist!='') then seglist+=',' end; seglist+=segid.to_s
-          next
-        end
-      end
-      segid=ActiveRecord::Base.connection.insert("INSERT INTO current_segments (   node_a,node_b,timestamp,user_id,visible,tags) VALUES (         #{from},#{to},#{db_now},#{uid},1,'')")
-      		ActiveRecord::Base.connection.insert("INSERT INTO segments         (id,node_a,node_b,timestamp,user_id,visible,tags) VALUES (#{segid},#{from},#{to},#{db_now},#{uid},1,'')")
-      points[i+1][5]=segid
-      numberedsegments[(i+1).to_s]=segid.to_s
-    end
-    # numberedsegments.each{|a,b| RAILS_DEFAULT_LOGGER.error("Sending back: seg no. #{a} -> id #{b}") }
-
-
-    # -- 6.ii insert new way segments
-
-    createuniquesegments(way,db_uqs,seglist)	# segments which appear in this way but no other
-
-    #		delete segments from uniquesegments (and not in modified way)
-
-    sql=<<-EOF
-      INSERT INTO segments (id,node_a,node_b,timestamp,user_id,visible) 
-      SELECT DISTINCT segment_id,node_a,node_b,#{db_now},#{uid},0
-        FROM current_segments AS cs, #{db_uqs} AS us
-       WHERE cs.id=us.segment_id AND cs.visible=1 
-    EOF
-    ActiveRecord::Base.connection.insert(sql)
-
-    sql=<<-EOF
-         UPDATE current_segments AS cs, #{db_uqs} AS us
-          SET cs.timestamp=#{db_now},cs.visible=0,cs.user_id=#{uid} 
-        WHERE cs.id=us.segment_id AND cs.visible=1 
-    EOF
-    ActiveRecord::Base.connection.update(sql)
-
-    #		delete nodes not in modified way or any other segments
+	# -- 6a. delete any nodes not in modified way
 
-    createuniquenodes(db_uqs,db_uqn)	# nodes which appear in this way but no other
+    createuniquenodes(way,db_uqn,nodelist)	# nodes which appear in this way but no other
 
     sql=<<-EOF
-		INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible)  
-		SELECT DISTINCT cn.id,cn.latitude,cn.longitude,#{db_now},#{uid},0 
-		  FROM current_nodes AS cn,#{db_uqn}
-		 WHERE cn.id=node_id
+	INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tile)  
+	SELECT DISTINCT cn.id,cn.latitude,cn.longitude,#{db_now},#{uid},0,cn.tile
+	  FROM current_nodes AS cn,#{db_uqn}
+	 WHERE cn.id=node_id
     EOF
     ActiveRecord::Base.connection.insert(sql)
 
@@ -372,165 +376,244 @@ EOF
     EOF
     ActiveRecord::Base.connection.update(sql)
 
-    ActiveRecord::Base.connection.execute("DROP TABLE #{db_uqs}")
+	deleteuniquenoderelations(db_uqn,uid,db_now)
     ActiveRecord::Base.connection.execute("DROP TABLE #{db_uqn}")
 
-    #		insert new version of route into way_segments
+	#	6b. insert new version of route into way_nodes
 
     insertsql =''
     currentsql=''
     sequence  =1
-    for i in (0..(points.length-2))
-      if (points[i+1][3].to_i==0) then next end
+    points.each do |p|
       if insertsql !='' then insertsql +=',' end
       if currentsql!='' then currentsql+=',' end
-      insertsql +="(#{way},#{points[i+1][5]},#{version})"
-      currentsql+="(#{way},#{points[i+1][5]},#{sequence})"
+      insertsql +="(#{way},#{p[2]},#{sequence},#{version})"
+      currentsql+="(#{way},#{p[2]},#{sequence})"
       sequence  +=1
     end
 
-    ActiveRecord::Base.connection.execute("DELETE FROM current_way_segments WHERE id=#{way}");
-    ActiveRecord::Base.connection.insert("INSERT INTO         way_segments (id,segment_id,version    ) VALUES #{insertsql}");
-    ActiveRecord::Base.connection.insert("INSERT INTO current_way_segments (id,segment_id,sequence_id) VALUES #{currentsql}");
+    ActiveRecord::Base.connection.execute("DELETE FROM current_way_nodes WHERE id=#{way}");
+    ActiveRecord::Base.connection.insert( "INSERT INTO         way_nodes (id,node_id,sequence_id,version) VALUES #{insertsql}");
+    ActiveRecord::Base.connection.insert( "INSERT INTO current_way_nodes (id,node_id,sequence_id        ) VALUES #{currentsql}");
 
     # -- 7. insert new way tags
 
     insertsql =''
     currentsql=''
     attributes.each do |k,v|
-      if v=='' then next end
+      if v=='' or v.nil? then next end
       if v[0,6]=='(type ' then next end
       if insertsql !='' then insertsql +=',' end
       if currentsql!='' then currentsql+=',' end
-      insertsql +="(#{way},'"+sqlescape(k)+"','"+sqlescape(v)+"',#{version})"
-      currentsql+="(#{way},'"+sqlescape(k)+"','"+sqlescape(v)+"')"
+      insertsql +="(#{way},'"+sqlescape(k.gsub('|',':'))+"','"+sqlescape(v)+"',#{version})"
+      currentsql+="(#{way},'"+sqlescape(k.gsub('|',':'))+"','"+sqlescape(v)+"')"
     end
 
     ActiveRecord::Base.connection.execute("DELETE FROM current_way_tags WHERE id=#{way}")
     if (insertsql !='') then ActiveRecord::Base.connection.insert("INSERT INTO way_tags (id,k,v,version) VALUES #{insertsql}" ) end
     if (currentsql!='') then ActiveRecord::Base.connection.insert("INSERT INTO current_way_tags (id,k,v) VALUES #{currentsql}") end
 
-    [originalway,way,renumberednodes,numberedsegments,xmin,xmax,ymin,ymax]
+    [originalway,way,renumberednodes,xmin,xmax,ymin,ymax]
   end
 
-  # -----	deleteway (user token, way)
-  #			returns way ID only
+  # -----	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
 
-  def deleteway(args)
-    usertoken,way=args
+  def putpoi(args)
+    usertoken,id,x,y,tags,visible,baselong,basey,masterscale=args
+    uid=getuserid(usertoken)
+    return if !uid
+    db_now='@now'+uid.to_s+id.to_i.abs.to_s+Time.new.to_i.to_s	# 'now' variable name, typically 51 chars
+    ActiveRecord::Base.connection.execute("SET #{db_now}=NOW()")
 
-    ActiveRecord::Base.logger.info("  Message: deleteway, id=#{way}")
+    id=id.to_i
+    visible=visible.to_i
+	if visible==0 then
+		# if deleting, check node hasn't become part of a way 
+		inway=ActiveRecord::Base.connection.select_one("SELECT cw.id FROM current_ways cw,current_way_nodes cwn WHERE cw.id=cwn.id AND cw.visible=1 AND cwn.node_id=#{id} LIMIT 1")
+		unless inway.nil? then return [id,id] end	# should really return an error
+		deleteitemrelations(id,'node',uid,db_now)
+	end
+
+    x=coord2long(x.to_f,masterscale,baselong)
+    y=coord2lat(y.to_f,masterscale,basey)
+    tagsql="'"+sqlescape(array2tag(tags))+"'"
+    lat=(y * 10000000).round
+    long=(x * 10000000).round
+    tile=QuadTile.tile_for_point(y, x)
+	
+    if (id>0) then
+        ActiveRecord::Base.connection.insert("INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES (#{id},#{lat},#{long},#{db_now},#{uid},#{visible},#{tagsql},#{tile})");
+        ActiveRecord::Base.connection.update("UPDATE current_nodes SET latitude=#{lat},longitude=#{long},timestamp=#{db_now},user_id=#{uid},visible=#{visible},tags=#{tagsql},tile=#{tile} WHERE id=#{id}");
+        newid=id
+    else
+        newid=ActiveRecord::Base.connection.insert("INSERT INTO current_nodes (latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES (#{lat},#{long},#{db_now},#{uid},#{visible},#{tagsql},#{tile})");
+              ActiveRecord::Base.connection.update("INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tags,tile) VALUES (#{newid},#{lat},#{long},#{db_now},#{uid},#{visible},#{tagsql},#{tile})");
+    end
+    [id,newid]
+  end
 
-    uid=getuserid(usertoken); if !uid then return end
-	way=way.to_i
+  # -----	getpoi (id,baselong,basey,masterscale)
+  #			returns id,x,y,tag array
+  
+  def getpoi(args)
+	id,baselong,basey,masterscale=args; id=id.to_i
+	poi=ActiveRecord::Base.connection.select_one("SELECT latitude*0.0000001 AS lat,longitude*0.0000001 AS lng,tags "+
+		"FROM current_nodes WHERE visible=1 AND id=#{id}")
+	if poi.nil? then return [nil,nil,nil,''] end
+	[id,
+	 long2coord(poi['lng'].to_f,baselong,masterscale),
+	 lat2coord(poi['lat'].to_f,basey,masterscale),
+	 tag2array(poi['tags'])]
+  end
 
-	db_uqs='uniq'+uid.to_s+way.to_i.abs.to_s+Time.new.to_i.to_s	# temp uniquesegments table name, typically 51 chars
-	db_uqn='unin'+uid.to_s+way.to_i.abs.to_s+Time.new.to_i.to_s	# temp uniquenodes table name, typically 51 chars
-	db_now='@now'+uid.to_s+way.to_i.abs.to_s+Time.new.to_i.to_s	# 'now' variable name, typically 51 chars
-	ActiveRecord::Base.connection.execute("SET #{db_now}=NOW()")
-	createuniquesegments(way,db_uqs,'')
+  # -----	deleteway (user token, way, nodes to keep)
+  #			returns way ID only
 
-	# -	delete any otherwise unused segments
+  def deleteway(args)
+    usertoken,way,preserve=args
 
-	sql=<<-EOF
-      INSERT INTO segments (id,node_a,node_b,timestamp,user_id,visible) 
-      SELECT DISTINCT segment_id,node_a,node_b,#{db_now},#{uid},0 
-        FROM current_segments AS cs, #{db_uqs} AS us
-       WHERE cs.id=us.segment_id
-    EOF
-	ActiveRecord::Base.connection.insert(sql)
+    RAILS_DEFAULT_LOGGER.info("  Message: deleteway, id=#{way}")
 
-	sql=<<-EOF
-      UPDATE current_segments AS cs, #{db_uqs} AS us
-         SET cs.timestamp=#{db_now},cs.visible=0,cs.user_id=#{uid} 
-       WHERE cs.id=us.segment_id
-    EOF
-	ActiveRecord::Base.connection.update(sql)
+    uid=getuserid(usertoken); if !uid then return end
+    way=way.to_i
+
+    db_uqn='unin'+uid.to_s+way.to_i.abs.to_s+Time.new.to_i.to_s	# temp uniquenodes table name, typically 51 chars
+    db_now='@now'+uid.to_s+way.to_i.abs.to_s+Time.new.to_i.to_s	# 'now' variable name, typically 51 chars
+    ActiveRecord::Base.connection.execute("SET #{db_now}=NOW()")
 
-	# - delete any unused nodes
+    # - delete any otherwise unused nodes
   
-    createuniquenodes(db_uqs,db_uqn)
+    createuniquenodes(way,db_uqn,[])
 
-	sql=<<-EOF
-		INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible)  
-		SELECT DISTINCT cn.id,cn.latitude,cn.longitude,#{db_now},#{uid},0 
-		  FROM current_nodes AS cn,#{db_uqn}
-		 WHERE cn.id=node_id
+	unless (preserve.empty?) then
+		ActiveRecord::Base.connection.execute("DELETE FROM #{db_uqn} WHERE node_id IN ("+preserve.join(',')+")")
+	end
+
+    sql=<<-EOF
+	INSERT INTO nodes (id,latitude,longitude,timestamp,user_id,visible,tile)
+	SELECT DISTINCT cn.id,cn.latitude,cn.longitude,#{db_now},#{uid},0,cn.tile
+	  FROM current_nodes AS cn,#{db_uqn}
+	 WHERE cn.id=node_id
     EOF
-	ActiveRecord::Base.connection.insert(sql)
+    ActiveRecord::Base.connection.insert(sql)
 
-	sql=<<-EOF
+    sql=<<-EOF
       UPDATE current_nodes AS cn, #{db_uqn}
          SET cn.timestamp=#{db_now},cn.visible=0,cn.user_id=#{uid} 
        WHERE cn.id=node_id
     EOF
-	ActiveRecord::Base.connection.update(sql)
-	
-	ActiveRecord::Base.connection.execute("DROP TABLE #{db_uqs}")
-	ActiveRecord::Base.connection.execute("DROP TABLE #{db_uqn}")
+    ActiveRecord::Base.connection.update(sql)
 
-	# - delete way
-	
-	ActiveRecord::Base.connection.insert("INSERT INTO ways (id,user_id,timestamp,visible) VALUES (#{way},#{uid},#{db_now},0)")
-	ActiveRecord::Base.connection.update("UPDATE current_ways SET user_id=#{uid},timestamp=#{db_now},visible=0 WHERE id=#{way}")
-	ActiveRecord::Base.connection.execute("DELETE FROM current_way_segments WHERE id=#{way}")
-	ActiveRecord::Base.connection.execute("DELETE FROM current_way_tags WHERE id=#{way}")
+	deleteuniquenoderelations(db_uqn,uid,db_now)
+    ActiveRecord::Base.connection.execute("DROP TABLE #{db_uqn}")
+
+    # - delete way
 	
-	way
+    ActiveRecord::Base.connection.insert("INSERT INTO ways (id,user_id,timestamp,visible) VALUES (#{way},#{uid},#{db_now},0)")
+    ActiveRecord::Base.connection.update("UPDATE current_ways SET user_id=#{uid},timestamp=#{db_now},visible=0 WHERE id=#{way}")
+    ActiveRecord::Base.connection.execute("DELETE FROM current_way_nodes WHERE id=#{way}")
+    ActiveRecord::Base.connection.execute("DELETE FROM current_way_tags WHERE id=#{way}")
+	deleteitemrelations(way,'way',uid,db_now)
+    way
 end
 
+
+
 # ====================================================================
 # Support functions for remote calls
 
 def readwayquery(id)
-  ActiveRecord::Base.connection.select_all "SELECT n1.latitude AS lat1,n1.longitude AS long1,n1.id AS id1,n1.tags as tags1, "+
-      "		  n2.latitude AS lat2,n2.longitude AS long2,n2.id AS id2,n2.tags as tags2,segment_id "+
-      "    FROM current_way_segments,current_segments,current_nodes AS n1,current_nodes AS n2 "+
-      "   WHERE current_way_segments.id=#{id} "+
-      "     AND segment_id=current_segments.id "+
-	  "     AND current_segments.visible=1 "+
-      "     AND n1.id=node_a and n2.id=node_b "+
-      "     AND n1.visible=1 AND n2.visible=1 "+
+  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"
 end
 
-def createuniquesegments(way,uqs_name,seglist)
-  # Finds segments which appear in (previous version of) this way and no other
-  sql=<<-EOF
-      CREATE TEMPORARY TABLE #{uqs_name}
-              SELECT a.segment_id
-                FROM (SELECT DISTINCT segment_id FROM current_way_segments 
-                  WHERE id = #{way}) a
-             LEFT JOIN current_way_segments b 
-                ON b.segment_id = a.segment_id
-                 AND b.id != #{way}
-               WHERE b.segment_id IS NULL
-    EOF
-  if (seglist!='') then sql+=" AND a.segment_id NOT IN (#{seglist})" end
-  ActiveRecord::Base.connection.execute(sql)
+def createuniquenodes(way,uqn_name,nodelist)
+	# Find nodes which appear in this way but no others
+	sql=<<-EOF
+	CREATE TEMPORARY TABLE #{uqn_name}
+					SELECT a.node_id
+					  FROM (SELECT DISTINCT node_id FROM current_way_nodes
+							WHERE id=#{way}) a
+				 LEFT JOIN current_way_nodes b
+						ON b.node_id=a.node_id
+					   AND b.id!=#{way}
+					 WHERE b.node_id IS NULL
+	EOF
+	unless nodelist.empty? then
+	  sql+="AND a.node_id NOT IN ("+nodelist.join(',')+")"
+	end
+	ActiveRecord::Base.connection.execute(sql)
 end
 
-def createuniquenodes(uqs_name,uqn_name)
-	# Finds nodes which appear in uniquesegments but no other segments
+
+
+# ====================================================================
+# Relations handling
+# deleteuniquenoderelations(uqn_name,uid,db_now)
+# deleteitemrelations(way|node,'way'|'node',uid,db_now)
+
+def deleteuniquenoderelations(uqn_name,uid,db_now)
 	sql=<<-EOF
-		CREATE TEMPORARY TABLE #{uqn_name}
-			   SELECT DISTINCT node_id
-			      FROM (SELECT cn.id AS node_id
-						  FROM current_nodes AS cn,
-						       current_segments AS cs,
-						       #{uqs_name} AS us
-						 WHERE cs.id=us.segment_id
-						   AND (cn.id=cs.node_a OR cn.id=cs.node_b)) AS n
-					 LEFT JOIN current_segments AS cs2 ON node_id=cs2.node_a AND cs2.visible=1
-					 LEFT JOIN current_segments AS cs3 ON node_id=cs3.node_b AND cs3.visible=1
-					     WHERE cs2.node_a IS NULL
-					       AND cs3.node_b IS NULL
+	SELECT node_id,cr.id FROM #{uqn_name},current_relation_members crm,current_relations cr 
+	 WHERE crm.member_id=node_id 
+	   AND crm.member_type='node' 
+	   AND crm.id=cr.id 
+	   AND cr.visible=1
 	EOF
-	ActiveRecord::Base.connection.execute(sql)
+
+	relnodes=ActiveRecord::Base.connection.select_all(sql)
+	relnodes.each do |a|
+		removefromrelation(a['node_id'],'node',a['id'],uid,db_now)
+	end
 end
 
+def deleteitemrelations(objid,type,uid,db_now)
+	sql=<<-EOF
+	SELECT cr.id FROM current_relation_members crm,current_relations cr 
+	 WHERE crm.member_id=#{objid} 
+	   AND crm.member_type='#{type}' 
+	   AND crm.id=cr.id 
+	   AND cr.visible=1
+	EOF
+	
+	relways=ActiveRecord::Base.connection.select_all(sql)
+	relways.each do |a|
+		removefromrelation(objid,type,a['id'],uid,db_now)
+	end
+end
+
+def removefromrelation(objid,type,relation,uid,db_now)
+	rver=ActiveRecord::Base.connection.insert("INSERT INTO relations (id,user_id,timestamp,visible) VALUES (#{relation},#{uid},#{db_now},1)")
+
+	tagsql=<<-EOF
+	INSERT INTO relation_tags (id,k,v,version) 
+	SELECT id,k,v,#{rver} FROM current_relation_tags 
+	 WHERE id=#{relation} 
+	EOF
+	ActiveRecord::Base.connection.insert(tagsql)
+
+	membersql=<<-EOF
+	INSERT INTO relation_members (id,member_type,member_id,member_role,version) 
+	SELECT id,member_type,member_id,member_role,#{rver} FROM current_relation_members 
+	 WHERE id=#{relation} 
+	   AND (member_id!=#{objid} OR member_type!='#{type}')
+	EOF
+	ActiveRecord::Base.connection.insert(membersql)
+	
+	ActiveRecord::Base.connection.update("UPDATE current_relations SET user_id=#{uid},timestamp=#{db_now} WHERE id=#{relation}")
+	ActiveRecord::Base.connection.execute("DELETE FROM current_relation_members WHERE id=#{relation} AND member_type='#{type}' AND member_id=#{objid}")
+end
+
+
 def sqlescape(a)
-  a.gsub("'","''").gsub(92.chr,92.chr+92.chr)
+  a.gsub(/[\000-\037]/,"").gsub("'","''").gsub(92.chr,92.chr+92.chr)
 end
 
 def tag2array(a)
@@ -541,7 +624,7 @@ def tag2array(a)
     k,v=b.split('=')
     if k.nil? then k='' end
     if v.nil? then v='' end
-    tags[k.gsub('#%','=')]=v.gsub('#%','=')
+    tags[k.gsub('#%','=').gsub(':','|')]=v.gsub('#%','=')
   end
   tags
 end
@@ -552,18 +635,19 @@ def array2tag(a)
     if v=='' then next end
     if v[0,6]=='(type ' then next end
     if str!='' then str+=';' end
-    str+=k.gsub(';',';;;').gsub('=','===')+'='+v.gsub(';',';;;').gsub('=','===')
+    str+=k.gsub(';',';;;').gsub('=','===').gsub('|',':')+'='+v.gsub(';',';;;').gsub('=','===')
   end
   str
 end
 
 def getuserid(token)
-  token=sqlescape(token)
-  if (token=~/^(.+)\+(.+)$/) then
-    return ActiveRecord::Base.connection.select_value("SELECT id FROM users WHERE active=1 AND email='#{$1}' AND pass_crypt=MD5('#{$2}')")
+  if (token =~ /^(.+)\+(.+)$/) then
+    user = User.authenticate(:username => $1, :password => $2)
   else
-    return ActiveRecord::Base.connection.select_value("SELECT id FROM users WHERE active=1 AND token='#{token}'")
+    user = User.authenticate(:token => token)
   end
+
+  return user ? user.id : nil;
 end
 
 
@@ -619,16 +703,16 @@ end
 
 def getvalue(s)
   case s.getc
-  when 0;	return getdouble(s)			# number
-  when 1;	return s.getc				# boolean
-  when 2;	return getstring(s)			# string
-  when 3;	return getobject(s)			# object/hash
-  when 5;	return nil					# null
-  when 6;	return nil					# undefined
-  when 8;	s.read(4)					# mixedArray
-    return getobject(s)			#  |
-  when 10;return getarray(s)			# array
-  else;	return nil					# error
+	when 0;	return getdouble(s)			# number
+	when 1;	return s.getc				# boolean
+	when 2;	return getstring(s)			# string
+	when 3;	return getobject(s)			# object/hash
+	when 5;	return nil					# null
+	when 6;	return nil					# undefined
+	when 8;	s.read(4)					# mixedArray
+			return getobject(s)			#  |
+	when 10;return getarray(s)			# array
+	else;	return nil					# error
   end
 end