Fixed bug in changeset closing and querying where the number of elements exceeded...

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

diff --git a/app/controllers/changeset_controller.rb b/app/controllers/changeset_controller.rb
index 181c827b35a91e49657db56941c58e318c76507a..b2ff42711db55a59f35056993647417494252be5 100644 (file)
--- a/app/controllers/changeset_controller.rb
+++ b/app/controllers/changeset_controller.rb
@@ -1,9 +1,11 @@
 # The ChangesetController is the RESTful interface to Changeset objects
 
 class ChangesetController < ApplicationController
+  layout 'site'
   require 'xml/libxml'
-  require 'diff_reader'
 
+  session :off, :except => [:list]
+  before_filter :authorize_web, :only => [:list]
   before_filter :authorize, :only => [:create, :update, :delete, :upload, :include, :close]
   before_filter :check_write_availability, :only => [:create, :update, :delete, :upload, :include]
   before_filter :check_read_availability, :except => [:create, :update, :delete, :upload, :download, :query]
@@ -12,6 +14,9 @@ class ChangesetController < ApplicationController
   # Help methods for checking boundary sanity and area size
   include MapBoundary
 
+  # Helper methods for checking consistency
+  include ConsistencyValidations
+
   # Create a changeset from XML.
   def create
     if request.put?
@@ -29,6 +34,9 @@ class ChangesetController < ApplicationController
     end
   end
 
+  ##
+  # Return XML giving the basic info about the changeset. Does not 
+  # return anything about the nodes, ways and relations in the changeset.
   def read
     begin
       changeset = Changeset.find(params[:id])
@@ -47,16 +55,13 @@ class ChangesetController < ApplicationController
       return
     end
     
-    changeset = Changeset.find(params[:id])
-    
-    unless @user.id == changeset.user_id 
-      raise OSM::APIUserChangesetMismatchError 
-    end
-    
+    changeset = Changeset.find(params[:id])    
+    check_changeset_consistency(changeset, @user)
+
     # to close the changeset, we'll just set its closed_at time to
     # now. this might not be enough if there are concurrency issues, 
     # but we'll have to wait and see.
-    changeset.closed_at = DateTime.now
+    changeset.set_closed_time_now
 
     changeset.save!
     render :nothing => true
@@ -71,17 +76,12 @@ class ChangesetController < ApplicationController
   # increase the size of the bounding box. this is a hint that clients can
   # set either before uploading a large number of changes, or changes that
   # the client (but not the server) knows will affect areas further away.
-  def include
+  def expand_bbox
     # only allow POST requests, because although this method is
     # idempotent, there is no "document" to PUT really...
     if request.post?
       cs = Changeset.find(params[:id])
-
-      # check user credentials - only the user who opened a changeset
-      # may alter it.
-      unless @user.id == cs.user_id 
-        raise OSM::APIUserChangesetMismatchError 
-      end
+      check_changeset_consistency(cs, @user)
 
       # keep an array of lons and lats
       lon = Array.new
@@ -143,12 +143,7 @@ class ChangesetController < ApplicationController
     end
 
     changeset = Changeset.find(params[:id])
-
-    # access control - only the user who created a changeset may
-    # upload to it.
-    unless @user.id == changeset.user_id 
-      raise OSM::APIUserChangesetMismatchError 
-    end
+    check_changeset_consistency(changeset, @user)
     
     diff_reader = DiffReader.new(request.raw_post, changeset)
     Changeset.transaction do
@@ -282,6 +277,7 @@ class ChangesetController < ApplicationController
     new_changeset = Changeset.from_xml(request.raw_post)
 
     unless new_changeset.nil?
+      check_changeset_consistency(changeset, @user)
       changeset.update_from(new_changeset, @user)
       render :text => changeset.to_xml, :mime_type => "text/xml"
     else
@@ -295,6 +291,22 @@ class ChangesetController < ApplicationController
     render ex.render_opts
   end
 
+  ##
+  # list edits belonging to a user
+  def list
+    user = User.find(:first, :conditions => [ "visible = ? and display_name = ?", true, params[:display_name]])
+    @edit_pages, @edits = paginate(:changesets,
+                                   :include => [:user, :changeset_tags],
+                                   :conditions => ["changesets.user_id = ? AND min_lat IS NOT NULL", user.id],
+                                   :order => "changesets.created_at DESC",
+                                   :per_page => 20)
+    
+    @action = 'list'
+    @display_name = user.display_name
+    # FIXME needs rescues in here
+  end
+
+private
   #------------------------------------------------------------
   # utility functions below.
   #------------------------------------------------------------  
@@ -383,8 +395,14 @@ class ChangesetController < ApplicationController
 
   ##
   # restrict changes to those which are open
+  #
+  # at the moment this code assumes we're only interested in open
+  # changesets and gives no facility to query closed changesets. this
+  # would be reasonably simple to implement if anyone actually wants
+  # it?
   def conditions_open(open)
-    return open.nil? ? nil : ['closed_at >= ?', DateTime.now]
+    return open.nil? ? nil : ['closed_at >= ? and num_changes <= ?', 
+                              DateTime.now, Changeset::MAX_ELEMENTS]
   end
 
 end