Update to use libxml 1.0.0 gem.

[rails.git] / app / controllers / amf_controller.rb

diff --git a/app/controllers/amf_controller.rb b/app/controllers/amf_controller.rb
index 28e2e4b2b635c15087e5999c42b777e8a9b8409d..febc4db68cc6a1464e02c00bd504e739f4a587fd 100644 (file)
--- a/app/controllers/amf_controller.rb
+++ b/app/controllers/amf_controller.rb
@@ -10,10 +10,10 @@
 #
 # == General structure
 #
 #
 # == General structure
 #

-# Apart from the talk method (which distributes the requests from the
-# AMF message), each method generally takes arguments in the order they were 
-# sent by the Potlatch SWF. Do not assume typing has been preserved. Methods 
-# all return an array to the SWF.
+# Apart from the amf_read and amf_write methods (which distribute the requests
+# from the AMF message), each method generally takes arguments in the order 
+# they were sent by the Potlatch SWF. Do not assume typing has been preserved. 
+# Methods all return an array to the SWF.

 # 
 # == Debugging
 # 
 # 
 # == Debugging
 # 


@@ -22,11 +22,6 @@
 #      return(-2,"message")            <-- also asks the user to e-mail me
 # 
 # To write to the Rails log, use RAILS_DEFAULT_LOGGER.info("message").
 #      return(-2,"message")            <-- also asks the user to e-mail me
 # 
 # To write to the Rails log, use RAILS_DEFAULT_LOGGER.info("message").

-#
-# == To do
-# 
-# - Check authentication
-# - Check the right things are being written to the database!

 
 class AmfController < ApplicationController
   require 'stringio'
 
 class AmfController < ApplicationController
   require 'stringio'


@@ -36,16 +31,15 @@ class AmfController < ApplicationController
   session :off
   before_filter :check_write_availability
 
   session :off
   before_filter :check_write_availability
 

-  # Main AMF handler: processes the raw AMF string (using AMF library) and
+  # Main AMF handlers: process the raw AMF string (using AMF library) and

   # calls each action (private method) accordingly.
   # calls each action (private method) accordingly.

+  # ** FIXME: refactor to reduce duplication of code across read/write

   
   

-  def talk
-       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
-       renumberednodes={}                                                      # Shared across repeated putways
-       renumberedways={}                                                       # Shared across repeated putways
+  def amf_read
+       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
 
 
        # Parse request
 


@@ -73,6 +67,37 @@ class AmfController < ApplicationController
                when 'getrelation';                     results[index]=AMF.putdata(index,getrelation(args[0].to_i))
                when 'getway_old';                      results[index]=AMF.putdata(index,getway_old(args[0].to_i,args[1].to_i))
                when 'getway_history';          results[index]=AMF.putdata(index,getway_history(args[0].to_i))
                when 'getrelation';                     results[index]=AMF.putdata(index,getrelation(args[0].to_i))
                when 'getway_old';                      results[index]=AMF.putdata(index,getway_old(args[0].to_i,args[1].to_i))
                when 'getway_history';          results[index]=AMF.putdata(index,getway_history(args[0].to_i))

+               when 'getnode_history';         results[index]=AMF.putdata(index,getnode_history(args[0].to_i))
+               when 'findrelations';           results[index]=AMF.putdata(index,findrelations(*args))
+               when 'getpoi';                          results[index]=AMF.putdata(index,getpoi(*args))
+         end
+       end
+    sendresponse(results)
+  end
+
+  def amf_write
+       req=StringIO.new(request.raw_post+0.chr)
+       req.read(2)
+       results={}
+       renumberednodes={}                                              # Shared across repeated putways
+       renumberedways={}                                               # Shared across repeated putways
+
+       headers=AMF.getint(req)                                 # Read number of headers
+       headers.times do                                                # Read each header
+         name=AMF.getstring(req)                               #  |
+         req.getc                                                              #  | skip boolean
+         value=AMF.getvalue(req)                               #  |
+         header["name"]=value                                  #  |
+       end
+
+       bodies=AMF.getint(req)                                  # Read number of bodies
+       bodies.times do                                                 # Read each body
+         message=AMF.getstring(req)                    #  | get message name
+         index=AMF.getstring(req)                              #  | get index in response sequence
+         bytes=AMF.getlong(req)                                #  | get total size in bytes
+         args=AMF.getvalue(req)                                #  | get response (probably an array)
+
+         case message

                when 'putway';                          r=putway(renumberednodes,*args)
                                                                        renumberednodes=r[3]
                                                                        if r[1] != r[2]
                when 'putway';                          r=putway(renumberednodes,*args)
                                                                        renumberednodes=r[3]
                                                                        if r[1] != r[2]


@@ -82,19 +107,9 @@ class AmfController < ApplicationController
                when 'putrelation';                     results[index]=AMF.putdata(index,putrelation(renumberednodes, renumberedways, *args))
                when 'deleteway';                       results[index]=AMF.putdata(index,deleteway(args[0],args[1].to_i))
                when 'putpoi';                          results[index]=AMF.putdata(index,putpoi(*args))
                when 'putrelation';                     results[index]=AMF.putdata(index,putrelation(renumberednodes, renumberedways, *args))
                when 'deleteway';                       results[index]=AMF.putdata(index,deleteway(args[0],args[1].to_i))
                when 'putpoi';                          results[index]=AMF.putdata(index,putpoi(*args))

-               when 'getpoi';                          results[index]=AMF.putdata(index,getpoi(args[0].to_i))

          end
        end
          end
        end

-
-       # Write out response
-
-       a,b=results.length.divmod(256)
-       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
-       }
+    sendresponse(results)

   end
 
   private
   end
 
   private


@@ -110,14 +125,15 @@ class AmfController < ApplicationController
   # in a given bounding box. Nodes are returned in full; ways and relations 
   # are IDs only. 
 
   # in a given bounding box. Nodes are returned in full; ways and relations 
   # are IDs only. 
 

-  def whichways(xmin,ymin,xmax,ymax) #:doc:
-       xmin-=0.01; ymin-=0.01
-       xmax+=0.01; ymax+=0.01
+  def whichways(xmin, ymin, xmax, ymax) #:doc:
+       enlarge = [(xmax-xmin)/8,0.01].min
+       xmin -= enlarge; ymin -= enlarge
+       xmax += enlarge; ymax += enlarge

 
        if POTLATCH_USE_SQL then
 
        if POTLATCH_USE_SQL then

-         way_ids=sql_find_way_ids_in_area(xmin,ymin,xmax,ymax)
-         points=sql_find_pois_in_area(xmin,ymin,xmax,ymax)
-         relation_ids=sql_find_relations_in_area_and_ways(xmin,ymin,xmax,ymax,way_ids)
+         way_ids = sql_find_way_ids_in_area(xmin, ymin, xmax, ymax)
+         points = sql_find_pois_in_area(xmin, ymin, xmax, ymax)
+         relation_ids = sql_find_relations_in_area_and_ways(xmin, ymin, xmax, ymax, way_ids)

        else
          # find the way ids in an area
          nodes_in_area = Node.find_by_area(ymin, xmin, ymax, xmax, :conditions => "current_nodes.visible = 1", :include => :ways)
        else
          # find the way ids in an area
          nodes_in_area = Node.find_by_area(ymin, xmin, ymax, xmax, :conditions => "current_nodes.visible = 1", :include => :ways)


@@ -128,23 +144,24 @@ class AmfController < ApplicationController
          points = nodes_not_used_in_area.collect { |n| [n.id, n.lon, n.lat, n.tags_as_hash] }
 
          # find the relations used by those nodes and ways
          points = nodes_not_used_in_area.collect { |n| [n.id, n.lon, n.lat, n.tags_as_hash] }
 
          # find the relations used by those nodes and ways

-         relations = nodes_in_area.collect { |node| node.containing_relations.visible }.flatten +
-                     way_ids.collect { |id| Way.find(id).containing_relations.visible }.flatten
+         relations = Relation.find_for_nodes(nodes_in_area.collect { |n| n.id }, :conditions => "visible = 1") +
+                  Relation.find_for_ways(way_ids, :conditions => "visible = 1")

          relation_ids = relations.collect { |relation| relation.id }.uniq
        end
 
          relation_ids = relations.collect { |relation| relation.id }.uniq
        end
 

-       [way_ids,points,relation_ids]
+       [way_ids, points, relation_ids]

   end
 
   # Find deleted ways in current bounding box (similar to whichways, but ways
   # with a deleted node only - not POIs or relations).
 
   end
 
   # Find deleted ways in current bounding box (similar to whichways, but ways
   # with a deleted node only - not POIs or relations).
 

-  def whichways_deleted(xmin,ymin,xmax,ymax) #:doc:
-       xmin-=0.01; ymin-=0.01
-       xmax+=0.01; ymax+=0.01
+  def whichways_deleted(xmin, ymin, xmax, ymax) #:doc:
+       xmin -= 0.01; ymin -= 0.01
+       xmax += 0.01; ymax += 0.01

 
 

-       nodes_in_area = Node.find_by_area(ymin, xmin, ymax,xmax, :conditions => "current_nodes.visible=0 AND current_ways.visible=0", :include => :ways_via_history )
+       nodes_in_area = Node.find_by_area(ymin, xmin, ymax, xmax, :conditions => "current_nodes.visible = 0 AND current_ways.visible = 0", :include => :ways_via_history)

        way_ids = nodes_in_area.collect { |node| node.ways_via_history_ids }.flatten.uniq
        way_ids = nodes_in_area.collect { |node| node.ways_via_history_ids }.flatten.uniq

+

        [way_ids]
   end
 
        [way_ids]
   end
 


@@ -153,20 +170,22 @@ class AmfController < ApplicationController
 
   def getway(wayid) #:doc:
        if POTLATCH_USE_SQL then
 
   def getway(wayid) #:doc:
        if POTLATCH_USE_SQL then

-         points=sql_get_nodes_in_way(wayid)
-         tags=sql_get_tags_in_way(wayid)
+         points = sql_get_nodes_in_way(wayid)
+         tags = sql_get_tags_in_way(wayid)

        else
          # Ideally we would do ":include => :nodes" here but if we do that
          # then rails only seems to return the first copy of a node when a
          # way includes a node more than once
        else
          # Ideally we would do ":include => :nodes" here but if we do that
          # then rails only seems to return the first copy of a node when a
          # way includes a node more than once

-         points = []

          way = Way.find(wayid)
          way = Way.find(wayid)

-         way.nodes.each do |node|
-           points << [node.lon, node.lat, node.id, nil, node.tags_as_hash]
+         points = way.nodes.collect do |node|
+               nodetags=node.tags_as_hash
+               nodetags.delete('created_by')
+               [node.lon, node.lat, node.id, nodetags]

          end
          end

-         tags=way.tags
+         tags = way.tags

        end
        end

-       [wayid,points,tags]
+
+       [wayid, points, tags]

   end
 
   # Get an old version of a way, and all constituent nodes.
   end
 
   # Get an old version of a way, and all constituent nodes.


@@ -176,28 +195,44 @@ class AmfController < ApplicationController
   # at the time, generating a new id if it's still visible and has been moved/
   # retagged.
 
   # at the time, generating a new id if it's still visible and has been moved/
   # retagged.
 

-  def getway_old(id,version) #:doc:
-       if version<0
-         old_way = OldWay.find(:first, :conditions => ['visible=1 AND id=?', id], :order => 'version DESC')
+  def getway_old(id, version) #:doc:
+       if version < 0
+         old_way = OldWay.find(:first, :conditions => ['visible = 1 AND id = ?', id], :order => 'version DESC')

          points = old_way.get_nodes_undelete
        else
          points = old_way.get_nodes_undelete
        else

-         old_way = OldWay.find(:first, :conditions => ['id=? AND version=?', id, version])
+         old_way = OldWay.find(:first, :conditions => ['id = ? AND version = ?', id, version])

          points = old_way.get_nodes_revert
        end
          points = old_way.get_nodes_revert
        end

-       old_way.tags['history']="Retrieved from v#{old_way.version}"
-       [0,id,points,old_way.tags,old_way.version]
+
+       old_way.tags['history'] = "Retrieved from v#{old_way.version}"
+
+       [0, id, points, old_way.tags, old_way.version]

   end
   
   end
   

-  # Find history of a way. Returns an array of previous versions.
+  # Find history of a way. Returns 'way', id, and 
+  # an array of previous versions.

 
   def getway_history(wayid) #:doc:
 
   def getway_history(wayid) #:doc:

-       history=[]
-       way=Way.find(wayid)
-       way.old_ways.each do |old_way|
-         if old_way.user.data_public then user=old_way.user.display_name else user='anonymous' end
-         history<<[old_way.version,old_way.timestamp.strftime("%d %b %Y, %H:%M"),old_way.visible ? 1 : 0,user]
+       history = Way.find(wayid).old_ways.reverse.collect do |old_way|
+         user = old_way.user.data_public? ? old_way.user.display_name : 'anonymous'
+         uid  = old_way.user.data_public? ? old_way.user.id : 0
+         [old_way.version, old_way.timestamp.strftime("%d %b %Y, %H:%M"), old_way.visible ? 1 : 0, user, uid]
+       end
+
+       ['way',wayid,history]
+  end
+
+  # Find history of a node. Returns 'node', id, and 
+  # an array of previous versions.
+
+  def getnode_history(nodeid) #:doc:
+       history = Node.find(nodeid).old_nodes.reverse.collect do |old_node|
+         user = old_node.user.data_public? ? old_node.user.display_name : 'anonymous'
+         uid  = old_node.user.data_public? ? old_node.user.id : 0
+         [old_node.timestamp.to_i, old_node.timestamp.strftime("%d %b %Y, %H:%M"), old_node.visible ? 1 : 0, user, uid]

        end
        end

-       [history]
+
+       ['node',nodeid,history]

   end
 
   # Get a relation with all tags and members.
   end
 
   # Get a relation with all tags and members.


@@ -208,7 +243,28 @@ class AmfController < ApplicationController
   
   def getrelation(relid) #:doc:
        rel = Relation.find(relid)
   
   def getrelation(relid) #:doc:
        rel = Relation.find(relid)

-       [relid,rel.tags,rel.members]
+
+       [relid, rel.tags, rel.members]
+  end
+
+  # Find relations with specified name/id.
+  # Returns array of relations, each in same form as getrelation.
+  
+  def findrelations(searchterm)
+       rels = []
+       if searchterm.to_i>0 then
+         rel = Relation.find(searchterm.to_i)
+         if rel and rel.visible then
+           rels.push([rel.id, rel.tags, rel.members])
+         end
+       else
+         RelationTag.find(:all, :limit => 11, :conditions => ["match(v) against (?)", searchterm] ).each do |t|
+               if t.relation.visible then
+             rels.push([t.relation.id, t.relation.tags, t.relation.members])
+           end
+         end
+       end
+       rels

   end
 
   # Save a relation.
   end
 
   # Save a relation.


@@ -217,9 +273,9 @@ class AmfController < ApplicationController
   # 1. original relation id (unchanged),
   # 2. new relation id.
 
   # 1. original relation id (unchanged),
   # 2. new relation id.
 

-  def putrelation(renumberednodes, renumberedways, usertoken,relid,tags,members,visible) #:doc:
-       uid=getuserid(usertoken)
-       if !uid then return -1,"You are not logged in, so the point could not be saved." end
+  def putrelation(renumberednodes, renumberedways, usertoken, relid, tags, members, visible) #:doc:
+       uid = getuserid(usertoken)
+       if !uid then return -1,"You are not logged in, so the relation could not be saved." end

 
        relid = relid.to_i
        visible = visible.to_i
 
        relid = relid.to_i
        visible = visible.to_i


@@ -238,11 +294,10 @@ class AmfController < ApplicationController
          if mid < 0
                mid = renumberednodes[mid] if m[0] == 'node'
                mid = renumberedways[mid] if m[0] == 'way'
          if mid < 0
                mid = renumberednodes[mid] if m[0] == 'node'
                mid = renumberedways[mid] if m[0] == 'way'

-               if mid < 0
-                 return -2, "Negative ID unresolved"
-               end

          end
          end

-         typedmembers << [m[0], mid, m[2]]
+      if mid
+           typedmembers << [m[0], mid, m[2]]
+         end

        end
 
        # assign new contents
        end
 
        # assign new contents


@@ -261,7 +316,7 @@ class AmfController < ApplicationController
          rel.save_with_history!
        #end
 
          rel.save_with_history!
        #end
 

-       [0,relid,rel.id]
+       [0, relid, rel.id]

   end
 
   # Save a way to the database, including all nodes. Any nodes in the previous
   end
 
   # Save a way to the database, including all nodes. Any nodes in the previous


@@ -273,87 +328,96 @@ class AmfController < ApplicationController
   # 2. new way id,
   # 3. hash of renumbered nodes (old id=>new id)
 
   # 2. new way id,
   # 3. hash of renumbered nodes (old id=>new id)
 

-  def putway(renumberednodes,usertoken,originalway,points,attributes) #:doc:
+  def putway(renumberednodes, usertoken, originalway, points, attributes) #:doc:

 
        # -- Initialise and carry out checks
        
 
        # -- Initialise and carry out checks
        

-       uid=getuserid(usertoken)
+       uid = getuserid(usertoken)

        if !uid then return -1,"You are not logged in, so the way could not be saved." end
        if !uid then return -1,"You are not logged in, so the way could not be saved." end

-       originalway=originalway.to_i
+
+       originalway = originalway.to_i

 
        points.each do |a|
 
        points.each do |a|

-         if a[2]==0 or a[2].nil? then return -2,"Server error - node with id 0 found in way #{originalway}." end
-         if a[1]==90 then return -2,"Server error - node with lat -90 found in way #{originalway}." end
+         if a[2] == 0 or a[2].nil? then return -2,"Server error - node with id 0 found in way #{originalway}." end
+         if a[1] == 90 then return -2,"Server error - node with lat -90 found in way #{originalway}." end

        end
 
        end
 

-       if points.length<2 then return -2,"Server error - way is only #{points.length} points long." end
+       if points.length < 2 then return -2,"Server error - way is only #{points.length} points long." end

 
        # -- Get unique nodes
 
 
        # -- Get unique nodes
 

-       if originalway<0
-         way=Way.new
-         uniques=[]
+       if originalway < 0
+         way = Way.new
+         uniques = []

        else
        else

-         way=Way.find(originalway)
-         uniques=way.unshared_node_ids
+         way = Way.find(originalway)
+         uniques = way.unshared_node_ids

        end
 
        # -- Compare nodes and save changes to any that have changed
 
        end
 
        # -- Compare nodes and save changes to any that have changed
 

-       nodes=[]
+       nodes = []

 
        points.each do |n|
 
        points.each do |n|

-         lon=n[0].to_f
-         lat=n[1].to_f
-         id =n[2].to_i
-         savenode=false
+         lon = n[0].to_f
+         lat = n[1].to_f
+         id = n[2].to_i
+         savenode = false
+

          if renumberednodes[id]
          if renumberednodes[id]

-           id=renumberednodes[id]
-         elsif id<0
+           id = renumberednodes[id]
+         elsif id < 0

                # Create new node
                # Create new node

-               node=Node.new
-               savenode=true
+               node = Node.new
+               savenode = true

          else
          else

-               node=Node.find(id)
-               if (!fpcomp(lat,node.lat) or !fpcomp(lon,node.lon) or \
-                       Tags.join(n[4])!=node.tags or node.visible==0)
-                 savenode=true
+               node = Node.find(id)
+               nodetags=node.tags_as_hash
+               nodetags.delete('created_by')
+               if !fpcomp(lat, node.lat) or !fpcomp(lon, node.lon) or
+                  n[4] != nodetags or !node.visible?
+                 savenode = true

                end
          end
                end
          end

+

          if savenode
          if savenode

-               node.user_id=uid
-           node.lat=lat; node.lon=lon
-           node.tags=Tags.join(n[4])
-           node.visible=true
+               node.user_id = uid
+           node.lat = lat
+        node.lon = lon
+           node.tags = Tags.join(n[4])
+           node.visible = true

            node.save_with_history!
            node.save_with_history!

-               if id!=node.id
-                 renumberednodes[id]=node.id
-                 id=node.id
+
+               if id != node.id
+                 renumberednodes[id] = node.id
+                 id = node.id

            end
          end
            end
          end

-         uniques=uniques-[id]
+
+         uniques = uniques - [id]

          nodes.push(id)
        end
 
          nodes.push(id)
        end
 

+       # -- Save revised way
+
+       way.tags = attributes
+       way.nds = nodes
+       way.user_id = uid
+       way.visible = true
+       way.save_with_history!
+

        # -- Delete any unique nodes
        
        uniques.each do |n|
        # -- Delete any unique nodes
        
        uniques.each do |n|

-         deleteitemrelations(n,'node')
-         node=Node.find(n)
-         node.user_id=uid
-         node.visible=false
+         deleteitemrelations(n, 'node')
+
+         node = Node.find(n)
+         node.user_id = uid
+         node.visible = false

          node.save_with_history!
        end
 
          node.save_with_history!
        end
 

-       # -- Save revised way
-
-       way.tags=attributes
-       way.nds=nodes
-       way.user_id=uid
-       way.visible=true
-       way.save_with_history!
-
-       [0,originalway,way.id,renumberednodes]
+       [0, originalway, way.id, renumberednodes]

   end
 
   # Save POI to the database.
   end
 
   # Save POI to the database.


@@ -363,31 +427,32 @@ class AmfController < ApplicationController
   # 1. original node id (unchanged),
   # 2. new node id.
 
   # 1. original node id (unchanged),
   # 2. new node id.
 

-  def putpoi(usertoken,id,lon,lat,tags,visible) #:doc:
-       uid=getuserid(usertoken)
+  def putpoi(usertoken, id, lon, lat, tags, visible) #:doc:
+       uid = getuserid(usertoken)

        if !uid then return -1,"You are not logged in, so the point could not be saved." end
 
        if !uid then return -1,"You are not logged in, so the point could not be saved." end
 

-       id=id.to_i
-       visible=(visible.to_i==1)
+       id = id.to_i
+       visible = (visible.to_i == 1)
+
+       if id > 0 then
+         node = Node.find(id)

 
 

-       if (id>0) then
-         node=Node.find(id)

          if !visible then
            unless node.ways.empty? then return -1,"The point has since become part of a way, so you cannot save it as a POI." end
          if !visible then
            unless node.ways.empty? then return -1,"The point has since become part of a way, so you cannot save it as a POI." end

-           deleteitemrelations(id,'node')
+           deleteitemrelations(id, 'node')

          end
        else
          end
        else

-         node=Node.new
+         node = Node.new

        end
 
        node.user_id = uid
        end
 
        node.user_id = uid

-       node.latitude = (lat*10000000).round
-       node.longitude = (lon*10000000).round
+       node.lat = lat
+       node.lon = lon

        node.tags = Tags.join(tags)
        node.tags = Tags.join(tags)

-       node.visible=visible
+       node.visible = visible

        node.save_with_history!
        node.save_with_history!

-       newid=node.id
-       [0,id,newid]
+
+       [0, id, node.id]

   end
 
   # Read POI from database
   end
 
   # Read POI from database


@@ -395,20 +460,25 @@ class AmfController < ApplicationController
   #
   # Returns array of id, long, lat, hash of tags.
 
   #
   # Returns array of id, long, lat, hash of tags.
 

-  def getpoi(id) #:doc:
-       n = Node.find(id)
+  def getpoi(id,timestamp) #:doc:
+       if timestamp>0 then
+         n = OldNode.find(id, :conditions=>['UNIX_TIMESTAMP(timestamp)=?',timestamp])
+       else
+         n = Node.find(id)
+       end
+

        if n
          return [n.id, n.lon, n.lat, n.tags_as_hash]
        else
        if n
          return [n.id, n.lon, n.lat, n.tags_as_hash]
        else

-         return [nil,nil,nil,'']
+         return [nil, nil, nil, '']

        end
   end
 
   # Delete way and all constituent nodes. Also removes from any relations.
   # Returns 0 (success), unchanged way id.
 
        end
   end
 
   # Delete way and all constituent nodes. Also removes from any relations.
   # Returns 0 (success), unchanged way id.
 

-  def deleteway(usertoken,way_id) #:doc:
-       uid=getuserid(usertoken)
+  def deleteway(usertoken, way_id) #:doc:
+       uid = getuserid(usertoken)

        if !uid then return -1,"You are not logged in, so the way could not be deleted." end
 
        # FIXME: would be good not to make two history entries when removing
        if !uid then return -1,"You are not logged in, so the way could not be deleted." end
 
        # FIXME: would be good not to make two history entries when removing


@@ -416,11 +486,13 @@ class AmfController < ApplicationController
        user = User.find(uid)
        way = Way.find(way_id)
        way.unshared_node_ids.each do |n|
        user = User.find(uid)
        way = Way.find(way_id)
        way.unshared_node_ids.each do |n|

-         deleteitemrelations(n,'node')
+         deleteitemrelations(n, 'node')

        end
        end

+       deleteitemrelations(way_id, 'way')

 
        way.delete_with_relations_and_nodes_and_history(user)  
 
        way.delete_with_relations_and_nodes_and_history(user)  

-       return [0,way_id]
+
+       [0, way_id]

   end
 
 
   end
 
 


@@ -429,11 +501,13 @@ class AmfController < ApplicationController
 
   # Remove a node or way from all relations
 
 
   # Remove a node or way from all relations
 

-  def deleteitemrelations(objid,type) #:doc:
-       relationids = RelationMember.find(:all, :conditions => ['member_type=? and member_id=?', type, objid]).collect { |ws| ws.id }.uniq
-       relationids.each do |relid|
-         rel=Relation.find(relid)
-         rel.members.delete_if {|x| x[0]==type and x[1]==objid}
+  def deleteitemrelations(objid, type) #:doc:
+       relations = RelationMember.find(:all, 
+                                                                       :conditions => ['member_type = ? and member_id = ?', type, objid], 
+                                                                       :include => :relation).collect { |rm| rm.relation }.uniq
+
+       relations.each do |rel|
+         rel.members.delete_if { |x| x[0] == type and x[1] == objid }

          rel.save_with_history!
        end
   end
          rel.save_with_history!
        end
   end


@@ -468,6 +542,18 @@ class AmfController < ApplicationController
        return ((a/0.0000001).round==(b/0.0000001).round)
   end
 
        return ((a/0.0000001).round==(b/0.0000001).round)
   end
 

+  # Send AMF response
+  
+  def sendresponse(results)
+       a,b=results.length.divmod(256)
+       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
+       }
+  end
+

 
   # ====================================================================
   # Alternative SQL queries for getway/whichways
 
   # ====================================================================
   # Alternative SQL queries for getway/whichways


@@ -531,7 +617,9 @@ class AmfController < ApplicationController
          ORDER BY sequence_id
          EOF
        ActiveRecord::Base.connection.select_all(sql).each do |row|
          ORDER BY sequence_id
          EOF
        ActiveRecord::Base.connection.select_all(sql).each do |row|

-         points << [row['lon'].to_f,row['lat'].to_f,row['id'].to_i,nil,tagstring_to_hash(row['tags'])]
+         nodetags=tagstring_to_hash(row['tags'])
+         nodetags.delete('created_by')
+         points << [row['lon'].to_f,row['lat'].to_f,row['id'].to_i,nodetags]

        end
        points
   end
        end
        points
   end


@@ -545,3 +633,8 @@ class AmfController < ApplicationController
   end
 
 end
   end
 
 end

+
+# Local Variables:
+# indent-tabs-mode: t
+# tab-width: 4
+# End: