Changeset discussions

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

diff --git a/app/controllers/way_controller.rb b/app/controllers/way_controller.rb
index 20e22bb0f8f78b60b06f6d0f67d1363f31512a2c..2ce49b7e84fd9693216646bd53c5228dc14551bb 100644 (file)
--- a/app/controllers/way_controller.rb
+++ b/app/controllers/way_controller.rb
@@ -1,160 +1,121 @@
 class WayController < ApplicationController
   require 'xml/libxml'
 
 class WayController < 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?
-      way = Way.from_xml(request.raw_post, true)
+    assert_method :put

 
 

-      if way
-        if !way.preconditions_ok?
-          render :text => "", :status => :precondition_failed
-        else
-          way.user_id = @user.id
-          way.save_with_history!
-
-          render :text => way.id.to_s, :content_type => "text/plain"
-        end
-      else
-        render :nothing => true, :status => :bad_request
-      end
+    way = Way.from_xml(request.raw_post, true)
+    
+    if way
+      way.create_with_history @user
+      render :text => way.id.to_s, :content_type => "text/plain"

     else
     else

-      render :nothing => true, :status => :method_not_allowed
+      render :text => "", :status => :bad_request

     end
   end
 
   def read
     end
   end
 
   def read

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

     end
   end
 
   def update
     end
   end
 
   def update

-    begin
-      way = Way.find(params[:id])
-
-      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 :text => "", :status => :precondition_failed
-          else
-            way.user_id = @user.id
-            way.tags = new_way.tags
-            way.nds = new_way.nds
-            way.visible = true
-            way.save_with_history!
-
-            render :nothing => true
-          end
-        else
-          render :nothing => true, :status => :bad_request
-        end
-      else
-        render :text => "", :status => :gone
-      end
-    rescue ActiveRecord::RecordNotFound
-      render :nothing => true, :status => :not_found
+    way = Way.find(params[:id])
+    new_way = Way.from_xml(request.raw_post)
+    
+    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 :text => "", :status => :bad_request

     end
   end
 
     end
   end
 

+  # This is the API call to delete a way

   def delete
   def delete

-    begin
-      way = Way.find(params[:id])
-
-      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 :text => "", :status => :precondition_failed
-        else
-          way.user_id = @user.id
-          way.tags = []
-          way.nds = []
-          way.visible = false
-         way.save_with_history!
-
-         render :nothing => true
-        end
-      else
-        render :text => "", :status => :gone
-      end
-    rescue ActiveRecord::RecordNotFound
-      render :nothing => true, :status => :not_found
-    rescue => ex
-      puts ex
+    way = Way.find(params[:id])
+    new_way = Way.from_xml(request.raw_post)
+    
+    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 :text => "", :status => :bad_request

     end
   end
 
   def full
     end
   end
 
   def full

-    begin
-      way = Way.find(params[:id])
+    way = Way.includes(:nodes => :node_tags).find(params[:id])
+    
+    if way.visible
+      visible_nodes = {}
+      changeset_cache = {}
+      user_display_name_cache = {}

 
 

-      if way.visible
-        nd_ids = way.nds + [-1]
-        nodes = Node.find(:all, :conditions => "visible = 1 AND id IN (#{nd_ids.join(',')})")
-
-        # Render
-        doc = OSM::API.new.get_xml_doc
-        nodes.each do |node|
-          doc.root << node.to_xml_node()
+      doc = OSM::API.new.get_xml_doc
+      way.nodes.uniq.each do |node|
+        if node.visible
+          doc.root << node.to_xml_node(changeset_cache, user_display_name_cache)
+          visible_nodes[node.id] = node

         end
         end

-        doc.root << way.to_xml_node()
-
-        render :text => doc.to_s, :content_type => "text/xml"
-      else
-        render :text => "", :status => :gone

       end
       end

-    rescue ActiveRecord::RecordNotFound
-      render :nothing => true, :status => :not_found
+      doc.root << way.to_xml_node(visible_nodes, changeset_cache, user_display_name_cache)
+      
+      render :text => doc.to_s, :content_type => "text/xml"
+    else
+      render :text => "", :status => :gone

     end
   end
 
   def ways
     end
   end
 
   def ways

-    begin
-      ids = params['ways'].split(',').collect { |w| w.to_i }
-    rescue
-      ids = []
+    if not params['ways']
+      raise OSM::APIBadUserInput.new("The parameter ways is required, and must be of the form ways=id[,id[,id...]]")

     end
 
     end
 

-    if ids.length > 0
-      doc = OSM::API.new.get_xml_doc
+    ids = params['ways'].split(',').collect { |w| w.to_i }

 
 

-      Way.find(ids).each do |way|
-        doc.root << way.to_xml_node
-      end
+    if ids.length == 0
+      raise OSM::APIBadUserInput.new("No ways were given to search for")
+    end

 
 

-      render :text => doc.to_s, :content_type => "text/xml"
-    else
-      render :nothing => true, :status => :bad_request
+    doc = OSM::API.new.get_xml_doc
+
+    Way.find(ids).each do |way|
+      doc.root << way.to_xml_node

     end
     end

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

   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
   def ways_for_node

-    wayids = WayNode.find(:all, :conditions => ['node_id = ?', params[:id]]).collect { |ws| ws.id }.uniq
-
-    if wayids.length > 0
-      doc = OSM::API.new.get_xml_doc
+    wayids = WayNode.where(:node_id => params[:id]).collect { |ws| ws.id[0] }.uniq

 
 

-      Way.find(wayids).each do |way|
-        doc.root << way.to_xml_node
-      end
+    doc = OSM::API.new.get_xml_doc

 
 

-      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
     end

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

   end
 end
   end
 end