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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 ec8f310030a37c165f3de736f84a92a938e21aa2..9f797d1d808202ae86f7a622ae3ebc1ab8775427 100644 (file)
--- a/app/controllers/way_controller.rb
+++ b/app/controllers/way_controller.rb
@@ -1,103 +1,121 @@
 class WayController < ApplicationController
   require 'xml/libxml'
 
-  before_filter :authorize
+  skip_before_filter :verify_authenticity_token
+  before_filter :authorize, :only => [: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
+  around_filter :api_call_handle_error, :api_call_timeout
 
   def create
-    if request.put?
-      way = Way.from_xml(request.raw_post, true)
-
-      if way
-        way.user_id = @user.id
-        unless way.precondtions_ok? # are the segments (and their nodes) visible?
-          render :nothing => true, :status => 412
-          return
-        end
+    assert_method :put
 
-        if way.save_with_history
-          render :text => way.id
-          return
-        else
-          render :nothing => true, :status => 500
-          return
-        end
-        return
-      else
-        render :nothing => true, :status => 400 # if we got here the doc didnt parse
-        return
-      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
+      render :nothing => true, :status => :bad_request
     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 read
+    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
     way = Way.find(params[:id])
-    case request.method
+    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
 
-    when :get
-      unless way.visible
-        render :nothing => true, :status => 410
-        return
-      end
-      render :text => way.to_xml.to_s
+  # 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
 
-    when :delete
-      unless way.visible
-        render :nothing => true, :status => 410
-        return
-      end
+  def full
+    way = Way.includes(:nodes => :node_tags).find(params[:id])
+    
+    if way.visible
+      visible_nodes = {}
+      changeset_cache = {}
+      user_display_name_cache = {}
 
-      way.visible = false
-      way.save_with_history
-      render :nothing => true
-      return
-    when :put
-      way = Way.from_xml(request.raw_post)
-
-      if way
-        way_in_db = Way.find(way.id)
-        if way_in_db
-          way_in_db.user_id = @user.id
-          way_in_db.tags = way.tags
-          way_in_db.segs = way.segs
-          way_in_db.timestamp = way.timestamp
-          way_in_db.visible = true
-          if way_in_db.save_with_history
-            render :text => way.id
-          else
-            render :nothing => true, :status => 500
-          end
-          return
-        else
-          render :nothing => true, :status => 404 # way doesn't exist yet
+      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
-      else
-        render :nothing => true, :status => 400 # if we got here the doc didnt parse
-        return
       end
+      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
-    response.headers["Content-Type"] = 'application/xml'
-    ids = params['ways'].split(',').collect {|w| w.to_i }
+    begin
+      ids = params['ways'].split(',').collect { |w| w.to_i }
+    rescue
+      ids = []
+    end
+
     if ids.length > 0
-      waylist = Way.find(ids)
-      doc = get_xml_doc
-      waylist.each do |way|
+      doc = OSM::API.new.get_xml_doc
+
+      Way.find(ids).each do |way|
         doc.root << way.to_xml_node
-      end 
-      render :text => doc.to_s
+      end
+
+      render :text => doc.to_s, :content_type => "text/xml"
     else
-      render :nothing => true, :status => 400
+      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.where(: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