Avoid double render error

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

diff --git a/app/controllers/changeset_controller.rb b/app/controllers/changeset_controller.rb
index 07a123bf8d53d82681854eb20d5f84347849e100..cfe86de51fd462842e075353c8044f6027205dbb 100644 (file)
--- a/app/controllers/changeset_controller.rb
+++ b/app/controllers/changeset_controller.rb
@@ -5,17 +5,17 @@ class ChangesetController < ApplicationController
   require 'xml/libxml'
 
   skip_before_filter :verify_authenticity_token, :except => [:list]
-  before_filter :authorize_web, :only => [:list]
-  before_filter :set_locale, :only => [:list]
+  before_filter :authorize_web, :only => [:list, :feed]
+  before_filter :set_locale, :only => [:list, :feed]
   before_filter :authorize, :only => [:create, :update, :delete, :upload, :include, :close]
   before_filter :require_allow_write_api, :only => [:create, :update, :delete, :upload, :include, :close]
   before_filter :require_public_data, :only => [:create, :update, :delete, :upload, :include, :close]
   before_filter :check_api_writable, :only => [:create, :update, :delete, :upload, :include]
-  before_filter :check_api_readable, :except => [:create, :update, :delete, :upload, :download, :query, :list]
-  before_filter(:only => [:list]) { |c| c.check_database_readable(true) }
+  before_filter :check_api_readable, :except => [:create, :update, :delete, :upload, :download, :query, :list, :feed]
+  before_filter(:only => [:list, :feed]) { |c| c.check_database_readable(true) }
   after_filter :compress_output
-  around_filter :api_call_handle_error, :except => [:list]
-  around_filter :web_timeout, :only => [:list]
+  around_filter :api_call_handle_error, :except => [:list, :feed]
+  around_filter :web_timeout, :only => [:list, :feed]
 
   # Helper methods for checking consistency
   include ConsistencyValidations
@@ -174,16 +174,12 @@ class ChangesetController < ApplicationController
           created = XML::Node.new "create"
           created << elt.to_xml_node
         else
-          # get the previous version from the element history
-          prev_elt = elt.class.find([elt.id, elt.version])
           unless elt.visible
-            # if the element isn't visible then it must have been deleted, so
-            # output the *previous* XML
+            # if the element isn't visible then it must have been deleted
             deleted = XML::Node.new "delete"
-            deleted << prev_elt.to_xml_node
+            deleted << elt.to_xml_node
           else
-            # must be a modify, for which we don't need the previous version
-            # yet...
+            # must be a modify
             modified = XML::Node.new "modify"
             modified << elt.to_xml_node
           end
@@ -246,8 +242,6 @@ class ChangesetController < ApplicationController
     end
   end
 
-  
-  
   ##
   # list edits (open changesets) in reverse chronological order
   def list
@@ -269,6 +263,25 @@ class ChangesetController < ApplicationController
           @title = t 'user.no_such_user.title'
           @not_found_user = params[:display_name]
           render :template => 'user/no_such_user', :status => :not_found
+          return
+        end
+      end
+      
+      if params[:friends]
+        if @user
+          changesets = changesets.where(:user_id => @user.friend_users.public)
+        elsif request.format == :html
+          require_user
+          return
+        end
+      end
+
+      if params[:nearby]
+        if @user
+          changesets = changesets.where(:user_id => @user.nearby)
+        elsif request.format == :html
+          require_user
+          return
         end
       end
 
@@ -287,7 +300,15 @@ class ChangesetController < ApplicationController
         user_link = render_to_string :partial => "user", :object => user
       end
       
-      if user and bbox
+      if params[:friends] and @user
+        @title =  t 'changeset.list.title_friend'
+        @heading =  t 'changeset.list.heading_friend'
+        @description = t 'changeset.list.description_friend'
+      elsif params[:nearby] and @user
+        @title = t 'changeset.list.title_nearby'
+        @heading = t 'changeset.list.heading_nearby'
+        @description = t 'changeset.list.description_nearby'
+      elsif user and bbox
         @title =  t 'changeset.list.title_user_bbox', :user => user.display_name, :bbox => bbox.to_s
         @heading =  t 'changeset.list.heading_user_bbox', :user => user.display_name, :bbox => bbox.to_s
         @description = t 'changeset.list.description_user_bbox', :user => user_link, :bbox => bbox_link
@@ -311,9 +332,17 @@ class ChangesetController < ApplicationController
       @bbox = bbox
       
       @edits = changesets.order("changesets.created_at DESC").offset((@page - 1) * @page_size).limit(@page_size).preload(:user, :changeset_tags)
+
+      render :action => :list
     end
   end
 
+  ##
+  # list edits as an atom feed
+  def feed
+    list
+  end
+
 private
   #------------------------------------------------------------
   # utility functions below.