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

diff --git a/app/controllers/relation_controller.rb b/app/controllers/relation_controller.rb
index c67b4ddf1c0f159d6ba86d10c58dc35dc3df814b..0b989d11e5fc21b8ba5dff32c55f3e6262698c04 100644 (file)
--- a/app/controllers/relation_controller.rb
+++ b/app/controllers/relation_controller.rb
@@ -1,105 +1,62 @@
 class RelationController < ApplicationController
   require 'xml/libxml'
 
 class RelationController < ApplicationController
   require 'xml/libxml'
 

-  session :off
+  skip_before_filter :verify_authenticity_token

   before_filter :authorize, :only => [:create, :update, :delete]
   before_filter :authorize, :only => [:create, :update, :delete]

-  before_filter :check_write_availability, :only => [:create, :update, :delete]
-  before_filter :check_read_availability, :except => [:create, :update, :delete]
+  before_filter :require_allow_write_api, :only => [:create, :update, :delete]
+  before_filter :require_public_data, :only => [:create, :update, :delete]
+  before_filter :check_api_writable, :only => [:create, :update, :delete]
+  before_filter :check_api_readable, :except => [:create, :update, :delete]

   after_filter :compress_output
   after_filter :compress_output

+  around_filter :api_call_handle_error, :api_call_timeout

 
   def create
 
   def create

-    if request.put?
-      relation = Relation.from_xml(request.raw_post, true)
+    assert_method :put

 
 

-      if relation
-        if !relation.preconditions_ok?
-          render :nothing => true, :status => :precondition_failed
-        else
-          relation.user_id = @user.id
-          relation.save_with_history!
-
-         render :text => relation.id.to_s, :content_type => "text/plain"
-        end
-      else
-        render :nothing => true, :status => :bad_request
-      end
-    else
-      render :nothing => true, :status => :method_not_allowed
-    end
+    relation = Relation.from_xml(request.raw_post, true)
+    
+    # We assume that an exception has been thrown if there was an error 
+    # generating the relation
+    #if relation
+    relation.create_with_history @user
+    render :text => relation.id.to_s, :content_type => "text/plain"
+    #else
+    # render :text => "Couldn't get turn the input into a relation.", :status => :bad_request
+    #end

   end
 
   def read
   end
 
   def read

-    begin
-      relation = Relation.find(params[:id])
-
-      if relation.visible
-        render :text => relation.to_xml.to_s, :content_type => "text/xml"
-      else
-        render :nothing => true, :status => :gone
-      end
-    rescue ActiveRecord::RecordNotFound
-      render :nothing => true, :status => :not_found
-    rescue
-      render :nothing => true, :status => :internal_server_error
+    relation = Relation.find(params[:id])
+    response.last_modified = relation.timestamp
+    if relation.visible
+      render :text => relation.to_xml.to_s, :content_type => "text/xml"
+    else
+      render :text => "", :status => :gone

     end
   end
 
   def update
     end
   end
 
   def update

-    begin
-      relation = Relation.find(params[:id])
-
-      if relation.visible
-        new_relation = Relation.from_xml(request.raw_post)
-
-        if new_relation and new_relation.id == relation.id
-          if !new_relation.preconditions_ok?
-            render :nothing => true, :status => :precondition_failed
-          else
-            relation.user_id = @user.id
-            relation.tags = new_relation.tags
-            relation.members = new_relation.members
-            relation.visible = true
-            relation.save_with_history!
-
-            render :nothing => true
-          end
-        else
-          render :nothing => true, :status => :bad_request
-        end
-      else
-        render :nothing => true, :status => :gone
-      end
-    rescue ActiveRecord::RecordNotFound
-      render :nothing => true, :status => :not_found
-    rescue
-      render :nothing => true, :status => :internal_server_error
+    logger.debug request.raw_post
+
+    relation = Relation.find(params[:id])
+    new_relation = Relation.from_xml(request.raw_post)
+    
+    if new_relation and new_relation.id == relation.id
+      relation.update_from new_relation, @user
+      render :text => relation.version.to_s, :content_type => "text/plain"
+    else
+      render :nothing => true, :status => :bad_request

     end
   end
 
   def delete
     end
   end
 
   def delete

-#XXX check if member somewhere!
-    begin
-      relation = Relation.find(params[:id])
-
-      if relation.visible
-        if RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id", :conditions => [ "visible = 1 AND member_type='relation' and member_id=?", params[:id]])
-          render :nothing => true, :status => :precondition_failed
-        else
-          relation.user_id = @user.id
-          relation.tags = []
-          relation.members = []
-          relation.visible = false
-          relation.save_with_history!
-
-          render :nothing => true
-        end
-      else
-        render :nothing => true, :status => :gone
-      end
-    rescue ActiveRecord::RecordNotFound
-      render :nothing => true, :status => :not_found
-    rescue
-      render :nothing => true, :status => :internal_server_error
+    relation = Relation.find(params[:id])
+    new_relation = Relation.from_xml(request.raw_post)
+    if new_relation and new_relation.id == relation.id
+      relation.delete_with_history!(new_relation, @user)
+      render :text => relation.version.to_s, :content_type => "text/plain"
+    else
+      render :nothing => true, :status => :bad_request

     end
   end
 
     end
   end
 


@@ -112,66 +69,63 @@ class RelationController < ApplicationController
   # members, plus all nodes part of member ways
   # -----------------------------------------------------------------
   def full
   # members, plus all nodes part of member ways
   # -----------------------------------------------------------------
   def full

-    begin
-      relation = Relation.find(params[:id])
-
-      if relation.visible
-
-        # first collect nodes, ways, and relations referenced by this relation.
-        
-        ways = Way.find_by_sql("select w.* from current_ways w,current_relation_members rm where "+
-            "rm.member_type='way' and rm.member_id=w.id and rm.id=#{relation.id}");
-        nodes = Node.find_by_sql("select n.* from current_nodes n,current_relation_members rm where "+
-            "rm.member_type='node' and rm.member_id=n.id and rm.id=#{relation.id}");
-        # note query is built to exclude self just in case.
-        relations = Relation.find_by_sql("select r.* from current_relations r,current_relation_members rm where "+
-            "rm.member_type='relation' and rm.member_id=r.id and rm.id=#{relation.id} and r.id<>rm.id");
-
-        # now additionally collect nodes referenced by ways. Note how we recursively 
-        # evaluate ways but NOT relations.
-
-        node_ids = nodes.collect {|node| node.id }
-        way_node_ids = ways.collect { |way|
-           way.way_nodes.collect { |way_node| way_node.node_id }
-        }
-        way_node_ids.flatten!
-        way_node_ids.uniq
-        way_node_ids -= node_ids
-        nodes += Node.find(way_node_ids)
+    relation = Relation.find(params[:id])

     
     

-        # create XML.
-        doc = OSM::API.new.get_xml_doc
-        user_display_name_cache = {}
-
-        nodes.each do |node|
-          if node.visible? # should be unnecessary if data is consistent.
-            doc.root << node.to_xml_node(user_display_name_cache)
-          end
+    if relation.visible
+      
+      # first find the ids of nodes, ways and relations referenced by this
+      # relation - note that we exclude this relation just in case.
+      
+      node_ids = relation.members.select { |m| m[0] == 'Node' }.map { |m| m[1] }
+      way_ids = relation.members.select { |m| m[0] == 'Way' }.map { |m| m[1] }
+      relation_ids = relation.members.select { |m| m[0] == 'Relation' and m[1] != relation.id }.map { |m| m[1] }
+      
+      # next load the relations and the ways.
+      
+      relations = Relation.where(:id => relation_ids).includes(:relation_tags)
+      ways = Way.where(:id => way_ids).includes(:way_nodes, :way_tags)
+      
+      # now additionally collect nodes referenced by ways. Note how we 
+      # recursively evaluate ways but NOT relations.
+      
+      way_node_ids = ways.collect { |way|
+        way.way_nodes.collect { |way_node| way_node.node_id }
+      }
+      node_ids += way_node_ids.flatten
+      nodes = Node.where(:id => node_ids.uniq).includes(:node_tags)
+      
+      # create XML.
+      doc = OSM::API.new.get_xml_doc
+      visible_nodes = {}
+      visible_members = { "Node" => {}, "Way" => {}, "Relation" => {} }
+      changeset_cache = {}
+      user_display_name_cache = {}
+      
+      nodes.each do |node|
+        if node.visible? # should be unnecessary if data is consistent.
+          doc.root << node.to_xml_node(changeset_cache, user_display_name_cache)
+          visible_nodes[node.id] = node
+          visible_members["Node"][node.id] = true

         end
         end

-        ways.each do |way|
-          if way.visible? # should be unnecessary if data is consistent.
-            doc.root << way.to_xml_node(user_display_name_cache)
-          end
+      end
+      ways.each do |way|
+        if way.visible? # should be unnecessary if data is consistent.
+          doc.root << way.to_xml_node(visible_nodes, changeset_cache, user_display_name_cache)
+          visible_members["Way"][way.id] = true

         end
         end

-        relations.each do |rel|
-          if rel.visible? # should be unnecessary if data is consistent.
-            doc.root << rel.to_xml_node(user_display_name_cache)
-          end
+      end
+      relations.each do |rel|
+        if rel.visible? # should be unnecessary if data is consistent.
+          doc.root << rel.to_xml_node(nil, changeset_cache, user_display_name_cache)
+          visible_members["Relation"][rel.id] = true

         end
         end

-        # finally add self and output
-        doc.root << relation.to_xml_node(user_display_name_cache)
-        render :text => doc.to_s, :content_type => "text/xml"
-
-      else
-
-        render :nothing => true, :status => :gone

       end
       end

-
-    rescue ActiveRecord::RecordNotFound
-      render :nothing => true, :status => :not_found
-
-    rescue
-      render :nothing => true, :status => :internal_server_error
+      # finally add self and output
+      doc.root << relation.to_xml_node(visible_members, changeset_cache, user_display_name_cache)
+      render :text => doc.to_s, :content_type => "text/xml"
+      
+    else
+      render :nothing => true, :status => :gone

     end
   end
 
     end
   end
 


@@ -187,33 +141,31 @@ class RelationController < ApplicationController
 
       render :text => doc.to_s, :content_type => "text/xml"
     else
 
       render :text => doc.to_s, :content_type => "text/xml"
     else

-      render :nothing => true, :status => :bad_request
+      render :text => "You need to supply a comma separated list of ids.", :status => :bad_request

     end
   end
 
   def relations_for_way
     end
   end
 
   def relations_for_way

-    relations_for_object("way")
+    relations_for_object("Way")

   end
   end

+

   def relations_for_node
   def relations_for_node

-    relations_for_object("node")
+    relations_for_object("Node")

   end
   end

+

   def relations_for_relation
   def relations_for_relation

-    relations_for_object("relation")
+    relations_for_object("Relation")

   end
 
   def relations_for_object(objtype)
   end
 
   def relations_for_object(objtype)

-    relationids = RelationMember.find(:all, :conditions => ['member_type=? and member_id=?', objtype, params[:id]]).collect { |ws| ws.id }.uniq
+    relationids = RelationMember.where(:member_type => objtype, :member_id => params[:id]).collect { |ws| ws.relation_id }.uniq

 
 

-    if relationids.length > 0
-      doc = OSM::API.new.get_xml_doc
+    doc = OSM::API.new.get_xml_doc

 
 

-      Relation.find(relationids).each do |relation|
-        doc.root << relation.to_xml_node
-      end
-
-      render :text => doc.to_s, :content_type => "text/xml"
-    else
-      render :nothing => true, :status => :not_found
+    Relation.find(relationids).each do |relation|
+      doc.root << relation.to_xml_node if relation.visible

     end
     end

+
+    render :text => doc.to_s, :content_type => "text/xml"

   end
 end
   end
 end