Use association names with :joins instead of writing the SQL for the

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

diff --git a/app/controllers/way_controller.rb b/app/controllers/way_controller.rb
index 2ef960c6e56cff2db85c6c893ea24f62f4d6911e..ab83d4ec3cbb1a2ea334e0e8b9936450a60972f3 100644 (file)
--- a/app/controllers/way_controller.rb
+++ b/app/controllers/way_controller.rb
@@ -3,30 +3,28 @@ class WayController < ApplicationController
 
   session :off
   before_filter :authorize, :only => [:create, :update, :delete]
-  before_filter :check_availability, :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
 
   def create
-    if request.put?
-      way = Way.from_xml(request.raw_post, true)
+    begin
+      if request.put?
+        way = Way.from_xml(request.raw_post, true)
 
-      if way
-        if !way.preconditions_ok?
-          render :nothing => true, :status => :precondition_failed
+        if way
+          way.create_with_history @user
+          render :text => way.id.to_s, :content_type => "text/plain"
         else
-          way.user_id = @user.id
-
-          if way.save_with_history
-            render :text => way.id.to_s, :content_type => "text/plain"
-          else
-            render :nothing => true, :status => :internal_server_error
-          end
+          render :nothing => true, :status => :bad_request
         end
       else
-        render :nothing => true, :status => :bad_request
+        render :nothing => true, :status => :method_not_allowed
       end
-    else
-      render :nothing => true, :status => :method_not_allowed
+    rescue OSM::APIError => ex
+      logger.warn request.raw_post
+      render ex.render_opts
     end
   end
 
@@ -34,79 +32,55 @@ class WayController < ApplicationController
     begin
       way = Way.find(params[:id])
 
+      response.headers['Last-Modified'] = way.timestamp.rfc822
+
       if way.visible
         render :text => way.to_xml.to_s, :content_type => "text/xml"
       else
-        render :nothing => true, :status => :gone
+        render :text => "", :status => :gone
       end
+    rescue OSM::APIError => ex
+      render ex.render_opts
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
-    rescue
-      render :nothing => true, :status => :internal_server_error
     end
   end
 
   def update
     begin
       way = Way.find(params[:id])
+      new_way = Way.from_xml(request.raw_post)
 
-      if way.visible
-        new_way = Way.from_xml(request.raw_post)
-
-        if new_way and new_way.id == way.id
-          if !new_way.preconditions_ok?
-            render :nothing => true, :status => :precondition_failed
-          else
-            way.user_id = @user.id
-            way.tags = new_way.tags
-            way.nds = new_way.nds
-            way.visible = true
-
-            if way.save_with_history
-              render :nothing => true
-            else
-              render :nothing => true, :status => :internal_server_error
-            end
-          end
-        else
-          render :nothing => true, :status => :bad_request
-        end
+      if new_way and new_way.id == way.id
+        way.update_from(new_way, @user)
+        render :text => way.version.to_s, :content_type => "text/plain"
       else
-        render :nothing => true, :status => :gone
+        render :nothing => true, :status => :bad_request
       end
+    rescue OSM::APIError => ex
+      logger.warn request.raw_post
+      render ex.render_opts
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
-    rescue
-      render :nothing => true, :status => :internal_server_error
     end
   end
 
+  # This is the API call to delete a way
   def delete
     begin
       way = Way.find(params[:id])
+      new_way = Way.from_xml(request.raw_post)
 
-      if way.visible
-        if RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id", :conditions => [ "visible = 1 AND member_type='way' and member_id=?", params[:id]])
-          render :nothing => true, :status => :precondition_failed
-        else
-          way.user_id = @user.id
-          way.tags = []
-          way.nds = []
-          way.visible = false
-
-          if way.save_with_history
-            render :nothing => true
-          else
-            render :nothing => true, :status => :internal_server_error
-          end
-        end
+      if new_way and new_way.id == way.id
+        way.delete_with_history!(new_way, @user)
+        render :text => way.version.to_s, :content_type => "text/plain"
       else
-        render :nothing => true, :status => :gone
+        render :nothing => true, :status => :bad_request
       end
+    rescue OSM::APIError => ex
+      render ex.render_opts
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
-    rescue
-      render :nothing => true, :status => :internal_server_error
     end
   end
 
@@ -116,7 +90,7 @@ class WayController < ApplicationController
 
       if way.visible
         nd_ids = way.nds + [-1]
-        nodes = Node.find(:all, :conditions => "visible = 1 AND id IN (#{nd_ids.join(',')})")
+        nodes = Node.find(:all, :conditions => ["visible = ? AND id IN (#{nd_ids.join(',')})", true])
 
         # Render
         doc = OSM::API.new.get_xml_doc
@@ -127,12 +101,10 @@ class WayController < ApplicationController
 
         render :text => doc.to_s, :content_type => "text/xml"
       else
-        render :nothing => true, :status => :gone
+        render :text => "", :status => :gone
       end
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
-    rescue
-      render :nothing => true, :status => :internal_server_error
     end
   end
 
@@ -156,19 +128,21 @@ class WayController < ApplicationController
     end
   end
 
+  ##
+  # returns all the ways which are currently using the node given in the 
+  # :id parameter. note that this used to return deleted ways as well, but
+  # this seemed not to be the expected behaviour, so it was removed.
   def ways_for_node
-    wayids = WayNode.find(:all, :conditions => ['node_id = ?', params[:id]]).collect { |ws| ws.id }.uniq
+    wayids = WayNode.find(:all, 
+                          :conditions => ['node_id = ?', params[:id]]
+                          ).collect { |ws| ws.id[0] }.uniq
 
-    if wayids.length > 0
-      doc = OSM::API.new.get_xml_doc
+    doc = OSM::API.new.get_xml_doc
 
-      Way.find(wayids).each do |way|
-        doc.root << way.to_xml_node
-      end
-
-      render :text => doc.to_s, :content_type => "text/xml"
-    else
-      render :nothing => true, :status => :bad_request
+    Way.find(wayids).each do |way|
+      doc.root << way.to_xml_node if way.visible
     end
+
+    render :text => doc.to_s, :content_type => "text/xml"
   end
 end