X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/77797b21b0701654f9a7ee57aace7fa16214e9c2..f051a7c1f5d1999558caa9d3cbe8c36f8ac39c9b:/app/models/changeset.rb

diff --git a/app/models/changeset.rb b/app/models/changeset.rb
index 7f70f4a38..e6bde19a5 100644
--- a/app/models/changeset.rb
+++ b/app/models/changeset.rb
@@ -130,6 +130,8 @@ class Changeset < ApplicationRecord
   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?
@@ -213,4 +215,22 @@ class Changeset < ApplicationRecord
 
     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