#
# Indexes
#
-# changesets_bbox_idx (min_lat,max_lat,min_lon,max_lon) USING gist
-# changesets_closed_at_idx (closed_at)
-# changesets_created_at_idx (created_at)
-# changesets_user_id_created_at_idx (user_id,created_at)
-# changesets_user_id_id_idx (user_id,id)
+# changesets_bbox_idx (min_lat,max_lat,min_lon,max_lon) USING gist
+# changesets_closed_at_idx (closed_at)
+# changesets_created_at_idx (created_at)
+# changesets_user_id_created_at_idx (user_id,created_at)
+# changesets_user_id_id_idx (user_id,id)
+# index_changesets_on_user_id_and_closed_at (user_id,closed_at)
#
# Foreign Keys
#
# note that this may not be a hard limit - due to timing changes and
# concurrency it is possible that some changesets may be slightly
# longer than strictly allowed or have slightly more changes in them.
- ((closed_at > Time.now.utc) && (num_changes <= MAX_ELEMENTS))
+ (closed_at > Time.now.utc) && (num_changes <= MAX_ELEMENTS)
end
def set_closed_time_now
def update_bbox!(bbox_update)
bbox.expand!(bbox_update)
+ raise OSM::APISizeLimitExceeded if bbox.linear_size > size_limit
+
# update active record. rails 2.1's dirty handling should take care of
# whether this object needs saving or not.
self.min_lon, self.min_lat, self.max_lon, self.max_lat = @bbox.to_a.collect(&:round) if bbox.complete?
save_with_tags!
end
+
+ def subscribe(user)
+ subscribers << user
+ end
+
+ def unsubscribe(user)
+ subscribers.delete(user)
+ end
+
+ def subscribed?(user)
+ subscribers.exists?(user.id)
+ end
+
+ def size_limit
+ @size_limit ||= ActiveRecord::Base.connection.select_value(
+ "SELECT api_size_limit($1)", "api_size_limit", [user_id]
+ )
+ end
end