Merge pull request #4499 from tomhughes/help-styling

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

diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb
index a2d016c8c7fcd10c43b9f473819b30af9a8212e1..75db7f73bc757ff600bb59b0d9608c4ccdadaebd 100644 (file)
--- a/app/controllers/api_controller.rb
+++ b/app/controllers/api_controller.rb
@@ -177,9 +177,29 @@ class ApiController < ApplicationController
   ##
   # wrap an api call in a timeout
   def api_call_timeout(&block)
-    Timeout.timeout(Settings.api_timeout, Timeout::Error, &block)
+    Timeout.timeout(Settings.api_timeout, &block)
+  rescue ActionView::Template::Error => e
+    e = e.cause
+
+    if e.is_a?(Timeout::Error) ||
+       (e.is_a?(ActiveRecord::StatementInvalid) && e.message.include?("execution expired"))
+      ActiveRecord::Base.connection.raw_connection.cancel
+      raise OSM::APITimeoutError
+    else
+      raise
+    end
   rescue Timeout::Error
     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