X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/d1d3c2597e81f64d908c5e0c797ccb1600722e88..8f57efe850bf9805d9bfb073d16d4cf1d06882f5:/app/controllers/api_controller.rb

diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb
index 89388c0bb..7e1b06a8d 100644
--- a/app/controllers/api_controller.rb
+++ b/app/controllers/api_controller.rb
@@ -192,4 +192,14 @@ class ApiController < ApplicationController
     ActiveRecord::Base.connection.raw_connection.cancel
     raise OSM::APITimeoutError
   end
+
+  ##
+  # check the api change rate limit
+  def check_rate_limit(new_changes = 1)
+    max_changes = ActiveRecord::Base.connection.select_value(
+      "SELECT api_rate_limit($1)", "api_rate_limit", [current_user.id]
+    )
+
+    raise OSM::APIRateLimitExceeded if new_changes > max_changes
+  end
 end