X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/e22589f946307570cacda4d7afa129f1dcc91bf8..af5d76ecabb8b6a6b35d8df262806367ec4a87cc:/app/controllers/api/changesets_controller.rb

diff --git a/app/controllers/api/changesets_controller.rb b/app/controllers/api/changesets_controller.rb
index 0b0c53bed..9a179135f 100644
--- a/app/controllers/api/changesets_controller.rb
+++ b/app/controllers/api/changesets_controller.rb
@@ -40,8 +40,6 @@ module Api
 
     # Create a changeset from XML.
     def create
-      assert_method :put
-
       cs = Changeset.from_xml(request.raw_post, :create => true)
 
       # Assume that Changeset.from_xml has thrown an exception if there is an error parsing the xml
@@ -49,7 +47,7 @@ module Api
       cs.save_with_tags!
 
       # Subscribe user to changeset comments
-      cs.subscribers << current_user
+      cs.subscribe(current_user)
 
       render :plain => cs.id.to_s
     end
@@ -58,8 +56,6 @@ module Api
     # marks a changeset as closed. this may be called multiple times
     # on the same changeset, so is idempotent.
     def close
-      assert_method :put
-
       changeset = Changeset.find(params[:id])
       check_changeset_consistency(changeset, current_user)
 
@@ -85,18 +81,16 @@ module Api
     # Returns: a diffResult document, as described in
     # http://wiki.openstreetmap.org/wiki/OSM_Protocol_Version_0.6
     def upload
-      # only allow POST requests, as the upload method is most definitely
-      # not idempotent, as several uploads with placeholder IDs will have
-      # different side-effects.
-      # see http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.1.2
-      assert_method :post
-
       changeset = Changeset.find(params[:id])
       check_changeset_consistency(changeset, current_user)
 
       diff_reader = DiffReader.new(request.raw_post, changeset)
       Changeset.transaction do
         result = diff_reader.commit
+        # the number of changes in this changeset has already been
+        # updated and is visible in this transaction so we don't need
+        # to allow for any more when checking the limit
+        check_rate_limit(0)
         render :xml => result.to_s
       end
     end
@@ -126,13 +120,7 @@ module Api
       # almost sensible ordering available. this would be much nicer if
       # global (SVN-style) versioning were used - then that would be
       # unambiguous.
-      elements.sort! do |a, b|
-        if a.timestamp == b.timestamp
-          a.version <=> b.version
-        else
-          a.timestamp <=> b.timestamp
-        end
-      end
+      elements.sort_by! { |e| [e.timestamp, e.version] }
 
       # generate an output element for each operation. note: we avoid looking
       # at the history because it is simpler - but it would be more correct to
@@ -207,9 +195,6 @@ module Api
     #
     # after succesful update, returns the XML of the changeset.
     def update
-      # request *must* be a PUT.
-      assert_method :put
-
       @changeset = Changeset.find(params[:id])
       new_changeset = Changeset.from_xml(request.raw_post)
 
@@ -234,10 +219,10 @@ module Api
 
       # Find the changeset and check it is valid
       changeset = Changeset.find(id)
-      raise OSM::APIChangesetAlreadySubscribedError, changeset if changeset.subscribers.exists?(current_user.id)
+      raise OSM::APIChangesetAlreadySubscribedError, changeset if changeset.subscribed?(current_user)
 
       # Add the subscriber
-      changeset.subscribers << current_user
+      changeset.subscribe(current_user)
 
       # Return a copy of the updated changeset
       @changeset = changeset
@@ -260,10 +245,10 @@ module Api
 
       # Find the changeset and check it is valid
       changeset = Changeset.find(id)
-      raise OSM::APIChangesetNotSubscribedError, changeset unless changeset.subscribers.exists?(current_user.id)
+      raise OSM::APIChangesetNotSubscribedError, changeset unless changeset.subscribed?(current_user)
 
       # Remove the subscriber
-      changeset.subscribers.delete(current_user)
+      changeset.unsubscribe(current_user)
 
       # Return a copy of the updated changeset
       @changeset = changeset
@@ -284,7 +269,6 @@ module Api
     ##
     # if a bounding box was specified do some sanity checks.
     # restrict changesets to those enclosed by a bounding box
-    # we need to return both the changesets and the bounding box
     def conditions_bbox(changesets, bbox)
       if bbox
         bbox.check_boundaries