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

diff --git a/app/controllers/way_controller.rb b/app/controllers/way_controller.rb
index 49a3b3bfec3d7de50266e9dce7dbc29b1a67c40a..2cd7abf604b6a37f13248ba9f1fd2db1661e943e 100644 (file)
--- a/app/controllers/way_controller.rb
+++ b/app/controllers/way_controller.rb
@@ -1,58 +1,120 @@
 class WayController < ApplicationController
   require 'xml/libxml'
 
-  before_filter :authorize
+  session :off
+  before_filter :authorize, :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
+  around_filter :api_call_handle_error, :api_call_timeout
 
   def create
-    if request.put?
-      way = Way.from_xml(request.raw_post, true)
+    assert_method :put
 
-      if way
-        way.user_id = @user.id
-        if way.save_with_history
+    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
+      render :nothing => true, :status => :bad_request
+    end
+  end
+
+  def read
+    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 :text => "", :status => :gone
+    end
+  end
 
+  def update
+    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 :nothing => true, :status => :bad_request
+    end
+  end
 
-          render :text => way.id
-        else
-          render :nothing => true, :status => 500
+  # This is the API call to delete a way
+  def delete
+    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 :nothing => true, :status => :bad_request
+    end
+  end
+
+  def full
+    way = Way.find(params[:id], :include => {:nodes => :node_tags})
+    
+    if way.visible
+      changeset_cache = {}
+      user_display_name_cache = {}
+
+      doc = OSM::API.new.get_xml_doc
+      way.nodes.each do |node|
+        if node.visible
+          doc.root << node.to_xml_node(changeset_cache, user_display_name_cache)
         end
-        return
-      else
-        render :nothing => true, :status => 400 # if we got here the doc didnt parse
-        return
       end
+      doc.root << way.to_xml_node(nil, changeset_cache, user_display_name_cache)
+      
+      render :text => doc.to_s, :content_type => "text/xml"
+    else
+      render :text => "", :status => :gone
     end
-
-    render :nothing => true, :status => 500 # something went very wrong
   end
 
-  def rest
-    unless Way.exists?(params[:id])
-      render :nothing => true, :status => 404
-      return
+  def ways
+    begin
+      ids = params['ways'].split(',').collect { |w| w.to_i }
+    rescue
+      ids = []
     end
 
-    way = Way.find(params[:id])
-    case request.method
-   
-    when :get
-      unless way.visible
-        render :nothing => true, :status => 410
-        return
-      end
-      render :text => way.to_xml.to_s
+    if ids.length > 0
+      doc = OSM::API.new.get_xml_doc
 
-    when :delete
-      unless way.visible
-        render :nothing => true, :status => 410
-        return
+      Way.find(ids).each do |way|
+        doc.root << way.to_xml_node
       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
 
+  ##
+  # 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[0] }.uniq
+
+    doc = OSM::API.new.get_xml_doc
+
+    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