X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/c8fb5ad24c5751bd2d43b86e4359381d200af066..dc2a2c8ebd1a11e4a64555fda22c6859a51defff:/app/controllers/way_controller.rb

diff --git a/app/controllers/way_controller.rb b/app/controllers/way_controller.rb
index 6ea27deaf..b13c91b08 100644
--- a/app/controllers/way_controller.rb
+++ b/app/controllers/way_controller.rb
@@ -1,5 +1,5 @@
 class WayController < ApplicationController
-  require 'xml/libxml'
+  require "xml/libxml"
 
   skip_before_filter :verify_authenticity_token
   before_filter :authorize, :only => [:create, :update, :delete]
@@ -14,7 +14,7 @@ class WayController < ApplicationController
     assert_method :put
 
     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"
@@ -25,9 +25,9 @@ class WayController < ApplicationController
 
   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
@@ -38,8 +38,8 @@ class WayController < ApplicationController
   def update
     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 && new_way.id == way.id
       way.update_from(new_way, @user)
       render :text => way.version.to_s, :content_type => "text/plain"
     else
@@ -51,8 +51,8 @@ class WayController < ApplicationController
   def delete
     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 && new_way.id == way.id
       way.delete_with_history!(new_way, @user)
       render :text => way.version.to_s, :content_type => "text/plain"
     else
@@ -62,7 +62,7 @@ class WayController < ApplicationController
 
   def full
     way = Way.includes(:nodes => :node_tags).find(params[:id])
-    
+
     if way.visible
       visible_nodes = {}
       changeset_cache = {}
@@ -76,7 +76,7 @@ class WayController < ApplicationController
         end
       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
@@ -84,27 +84,27 @@ class WayController < ApplicationController
   end
 
   def ways
-    begin
-      ids = params['ways'].split(',').collect { |w| w.to_i }
-    rescue
-      ids = []
+    unless params["ways"]
+      fail OSM::APIBadUserInput.new("The parameter ways is required, and must be of the form ways=id[,id[,id...]]")
     end
 
-    if ids.length > 0
-      doc = OSM::API.new.get_xml_doc
+    ids = params["ways"].split(",").collect(&:to_i)
 
-      Way.find(ids).each do |way|
-        doc.root << way.to_xml_node
-      end
+    if ids.length == 0
+      fail OSM::APIBadUserInput.new("No ways were given to search for")
+    end
 
-      render :text => doc.to_s, :content_type => "text/xml"
-    else
-      render :text => "", :status => :bad_request
+    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, :content_type => "text/xml"
   end
 
   ##
-  # returns all the ways which are currently using the node given in the 
+  # 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