Expose relation version to api and fix remaining server status typo in old_relation...

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

diff --git a/app/controllers/node_controller.rb b/app/controllers/node_controller.rb
index ae5245016819636f9fd5fdf12335fbbc4a1bc1fb..6e96d31ca4cac18a5a9130369eade7b402056083 100644 (file)
--- a/app/controllers/node_controller.rb
+++ b/app/controllers/node_controller.rb
@@ -5,27 +5,28 @@ class NodeController < ApplicationController
 
   session :off
   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_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
 
   # Create a node from XML.
   def create
-    if request.put?
-      node = Node.from_xml(request.raw_post, true)
-
-      if node
-       node.version = 0
-        node.user_id = @user.id
-        node.visible = true
-        node.save_with_history!
-
-        render :text => node.id.to_s, :content_type => "text/plain"
+    begin
+      if request.put?
+        node = Node.from_xml(request.raw_post, true)
+
+        if node
+          node.create_with_history @user
+          render :text => node.id.to_s, :content_type => "text/plain"
+        else
+          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
+      render ex.render_opts
     end
   end
 
@@ -33,7 +34,7 @@ class NodeController < ApplicationController
   def read
     begin
       node = Node.find(params[:id])
-      if node.visible
+      if node.visible?
         response.headers['Last-Modified'] = node.timestamp.rfc822
         render :text => node.to_xml.to_s, :content_type => "text/xml"
        else
@@ -43,7 +44,7 @@ class NodeController < ApplicationController
       render :nothing => true, :status => :not_found
     end
   end
-
+  
   # Update a node from given XML
   def update
     begin
@@ -51,65 +52,40 @@ class NodeController < ApplicationController
       new_node = Node.from_xml(request.raw_post)
 
       if new_node and new_node.id == node.id
-       update_internal node, new_node
-        render :nothing => true
+        node.update_from(new_node, @user)
+        render :text => node.version.to_s, :content_type => "text/plain"
       else
         render :nothing => true, :status => :bad_request
       end
+    rescue OSM::APIError => ex
+      render ex.render_opts
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
     end
   end
 
-  def update_internal(node, new_node)
-    node = Node.find(new_node.id) if node.nil?
-
-    node.user_id = @user.id
-    node.latitude = new_node.latitude 
-    node.longitude = new_node.longitude
-    node.tags = new_node.tags
-    node.visible = true
-    node.save_with_history!
-
-    return true
-  end
-
-  # Delete a node. Doesn't actually delete it, but retains its history in a wiki-like way.
-  # FIXME remove all the fricking SQL
+  # Delete a node. Doesn't actually delete it, but retains its history 
+  # in a wiki-like way. We therefore treat it like an update, so the delete
+  # method returns the new version number.
   def delete
     begin
       node = Node.find(params[:id])
-
-      res = delete_internal(node)
-      unless res
-       render :text => "", :status => :precondition_failed
+      new_node = Node.from_xml(request.raw_post)
+      
+      if new_node and new_node.id == node.id
+        node.delete_with_history!(new_node, @user)
+        render :text => node.version.to_s, :content_type => "text/plain"
       else
-       render :text => "", :status => res
+        render :nothing => true, :status => :bad_request
       end
     rescue ActiveRecord::RecordNotFound
       render :nothing => true, :status => :not_found
+    rescue OSM::APIError => ex
+      render ex.render_opts
     end
   end
 
-  def delete_internal(node)
-    if node.visible
-      if WayNode.find(:first, :joins => "INNER JOIN current_ways ON current_ways.id = current_way_nodes.id", :conditions => [ "current_ways.visible = 1 AND current_way_nodes.node_id = ?", node.id ])
-       return false
-      elsif RelationMember.find(:first, :joins => "INNER JOIN current_relations ON current_relations.id=current_relation_members.id", :conditions => [ "visible = 1 AND member_type='node' and member_id=?", params[:id]])
-       return false
-      else
-       node.user_id = @user.id
-       node.visible = 0
-       node.save_with_history!
-
-       return :ok
-      end
-    else
-      return :gone
-    end
-  end
-
-  # WTF does this do?
+  # Dump the details on many nodes whose ids are given in the "nodes" parameter.
   def nodes
     ids = params['nodes'].split(',').collect { |n| n.to_i }