X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/ae142c554b0356aabc11dbe0f93482d361b32e4b..2829bf79d0120ba534a1b4f5ad75ae1622a76d06:/app/controllers/amf_controller.rb

diff --git a/app/controllers/amf_controller.rb b/app/controllers/amf_controller.rb
index 487067545..4eda7b00a 100644
--- a/app/controllers/amf_controller.rb
+++ b/app/controllers/amf_controller.rb
@@ -123,7 +123,7 @@ class AmfController < ApplicationController
     points = nodes_not_used_in_area.collect { |n| [n.id, n.lon_potlatch(baselong,masterscale), n.lat_potlatch(basey,masterscale), n.tags_as_hash] }
 
     # find the relations used by those nodes and ways
-    relation_ids = Relation.find_for_nodes_and_ways(nodes_in_area.collect {|n| n.id}, way_ids).collect {|n| n.id}.uniq
+    relation_ids = (Relation.find_for_nodes_and_ways(nodes_in_area.collect {|n| n.id}, way_ids)).collect {|n| n.id}.uniq
 
     [way_ids,points,relation_ids]
   end
@@ -582,55 +582,35 @@ class AmfController < ApplicationController
   #		  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) #:doc:
-
-    usertoken,way=args
 
-    RAILS_DEFAULT_LOGGER.info("  Message: deleteway, id=#{way}")
+  def deleteway(args) #:doc:
+    usertoken,way_id=args
+    RAILS_DEFAULT_LOGGER.info("  Message: deleteway, id=#{way_id}")
     uid=getuserid(usertoken)
     if !uid then return -1,"You are not logged in, so the way could not be deleted." end
 
-    way=way.to_i
-    db_uqn='unin'+(rand*100).to_i.to_s+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'+(rand*100).to_i.to_s+uid.to_s+way.to_i.abs.to_s+Time.new.to_i.to_s	# 'now' variable name, typically 51 chars
+	# FIXME
+	# the next bit removes the way from any relations
+	# the delete_with_relations_and_nodes_and_history method should do this,
+	#   but at present it just throws a 'precondition failed'
+    way=way.to_i 
+    db_now='@now'+(rand*100).to_i.to_s+uid.to_s+way.abs.to_s+Time.new.to_i.to_s
+	db_uqn='unin'+(rand*100).to_i.to_s+uid.to_s+way.abs.to_s+Time.new.to_i.to_s
     ActiveRecord::Base.connection.execute("SET #{db_now}=NOW()")
-
-    # - delete any otherwise unused nodes
-
-    createuniquenodes(way,db_uqn,[])
-
-    #	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)
-
-    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)
-
-    deleteuniquenoderelations(db_uqn,uid,db_now)
+	createuniquenodes(way,db_uqn,[])
+	deleteuniquenoderelations(db_uqn,uid,db_now)
+    deleteitemrelations(way_id,'way',uid,db_now)
     ActiveRecord::Base.connection.execute("DROP TEMPORARY TABLE #{db_uqn}")
+	# end of FIXME
 
-    # - 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_nodes WHERE id=#{way}")
-    ActiveRecord::Base.connection.execute("DELETE FROM current_way_tags WHERE id=#{way}")
-    deleteitemrelations(way,'way',uid,db_now)
-    [0,way]
+	# now delete the way
+    user = User.find(uid)
+    way = Way.find(way_id)
+    way.delete_with_relations_and_nodes_and_history(user)  
+    return [0,way_id]
   end
 
+
   def readwayquery(id,insistonvisible) #:doc:
     sql=<<-EOF
     SELECT latitude*0.0000001 AS latitude,longitude*0.0000001 AS longitude,current_nodes.id,tags,visible 
@@ -658,8 +638,8 @@ class AmfController < ApplicationController
     #   which means the SWF needs to allocate new ids
     # - if it's an invisible node, we can reuse the old node id
 
-    # get node list from specified version of way,
-    # and the _current_ lat/long/tags of each node
+    # -----	get node list from specified version of way,
+    #		and the _current_ lat/long/tags of each node
 
     row=ActiveRecord::Base.connection.select_one("SELECT timestamp FROM ways WHERE version=#{version} AND id=#{id}")
     waytime=row['timestamp']
@@ -674,31 +654,31 @@ class AmfController < ApplicationController
   EOF
     rows=ActiveRecord::Base.connection.select_all(sql)
 
-    # if historic (full revert), get the old version of each node
-    # - if it's in another way now, generate a new id
-    # - if it's not in another way, use the old ID
+    # -----	if historic (full revert), get the old version of each node
+    # 		- if it's in another way now, generate a new id
+    # 		- if it's not in another way, use the old ID
+
     if historic then
       rows.each_index do |i|
         sql=<<-EOF
     SELECT latitude*0.0000001 AS latitude,longitude*0.0000001 AS longitude,tags,cwn.id AS currentway 
       FROM nodes n
-   LEFT JOIN current_way_nodes cwn
-      ON cwn.node_id=n.id
+ LEFT JOIN current_way_nodes cwn
+        ON cwn.node_id=n.id AND cwn.id!=#{id} 
      WHERE n.id=#{rows[i]['id']} 
        AND n.timestamp<="#{waytime}" 
-     AND cwn.id!=#{id} 
-     ORDER BY n.timestamp DESC 
+  ORDER BY n.timestamp DESC 
      LIMIT 1
     EOF
         row=ActiveRecord::Base.connection.select_one(sql)
-        unless row.nil? then
-          nx=row['longitude'].to_f
-          ny=row['latitude'].to_f
+        nx=row['longitude'].to_f
+        ny=row['latitude'].to_f
+        if (!row.nil?)
           if (row['currentway'] && (nx!=rows[i]['longitude'].to_f or ny!=rows[i]['latitude'].to_f or row['tags']!=rows[i]['tags'])) then rows[i]['id']=-1 end
-          rows[i]['longitude']=nx
-          rows[i]['latitude' ]=ny
-          rows[i]['tags'     ]=row['tags']
-        end
+		end
+        rows[i]['longitude']=nx
+        rows[i]['latitude' ]=ny
+        rows[i]['tags'     ]=row['tags']
       end
     end
     rows