Tidy up AMF controller and optimise a few rails things.

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

diff --git a/app/controllers/way_controller.rb b/app/controllers/way_controller.rb
index 2fd4390e49162e7102965921c796f8ec7934b5fd..3b6491cf0b3ceda5ed90ee7e1da5e49579c6af21 100644 (file)
--- a/app/controllers/way_controller.rb
+++ b/app/controllers/way_controller.rb
@@ -1,54 +1,144 @@
 class WayController < ApplicationController
   require 'xml/libxml'
 
 class WayController < ApplicationController
   require 'xml/libxml'
 

-  before_filter :authorize
+  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]
+  after_filter :compress_output

 
   def create
     if request.put?
       way = Way.from_xml(request.raw_post, true)
 
       if way
 
   def create
     if request.put?
       way = Way.from_xml(request.raw_post, true)
 
       if way

-        way.user_id = @user.id
-        if way.save_with_history
-          render :text => way.id
+        if !way.preconditions_ok?
+          render :text => "", :status => :precondition_failed

         else
         else

-          render :nothing => true, :status => 500
+          way.user_id = @user.id
+          way.save_with_history!
+
+          render :text => way.id.to_s, :content_type => "text/plain"

         end
         end

-        return

       else
       else

-        render :nothing => true, :status => 400 # if we got here the doc didnt parse
-        return
+        render :nothing => true, :status => :bad_request

       end
       end

+    else
+      render :nothing => true, :status => :method_not_allowed

     end
     end

+  end
+
+  def read
+    begin
+      way = Way.find(params[:id])

 
 

-    render :nothing => true, :status => 500 # something went very wrong
+      response.headers['Last-Modified'] = way.timestamp.rfc822
+
+      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
+    end

   end
 
   end
 

-  def rest
-    unless Way.exists?(params[:id])
-      render :nothing => true, :status => 404
-      return
+  def update
+    begin
+      way = Way.find(params[:id])
+      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
+    rescue ActiveRecord::RecordNotFound
+      render :nothing => true, :status => :not_found

     end
     end

+  end
+
+  # This is the API call to delete a way
+  def delete
+    begin
+      way = Way.find(params[:id])
+      way.delete_with_relations_and_history(@user)

 
 

-    way = Way.find(params[:id])
-    case request.method
-   
-    when :get
-      unless way.visible
-        render :nothing => true, :status => 410
-        return
+      # if we get here, all is fine, otherwise something will catch below.  
+      render :nothing => true
+    rescue OSM::APIAlreadyDeletedError
+      render :text => "", :status => :gone
+    rescue OSM::APIPreconditionFailedError
+      render :text => "", :status => :precondition_failed
+    rescue ActiveRecord::RecordNotFound
+      render :nothing => true, :status => :not_found
+    end
+  end
+
+  def full
+    begin
+      way = Way.find(params[:id])
+
+      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()
+        end
+        doc.root << way.to_xml_node()
+
+        render :text => doc.to_s, :content_type => "text/xml"
+      else
+        render :text => "", :status => :gone

       end
       end

-      render :text => way.to_xml.to_s
+    rescue ActiveRecord::RecordNotFound
+      render :nothing => true, :status => :not_found
+    end
+  end

 
 

-    when :delete
-      unless way.visible
-        render :nothing => true, :status => 410
-        return
+  def ways
+    begin
+      ids = params['ways'].split(',').collect { |w| w.to_i }
+    rescue
+      ids = []
+    end
+
+    if ids.length > 0
+      doc = OSM::API.new.get_xml_doc
+
+      Way.find(ids).each do |way|
+        doc.root << way.to_xml_node

       end
 
       end
 

-      way.visible = false
-      way.save_with_history
+      render :text => doc.to_s, :content_type => "text/xml"
+    else
+      render :nothing => true, :status => :bad_request
+    end
+  end
+
+  def ways_for_node
+    wayids = WayNode.find(:all, :conditions => ['node_id = ?', params[:id]]).collect { |ws| ws.id[0] }.uniq

 
 

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

     end
     end

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

   end
 end
   end
 end