Add rate limiting to user friendships

[rails.git] / app / models / user.rb

diff --git a/app/models/user.rb b/app/models/user.rb
index 26a9f33e153bf04c92d81335577bf37ded97bd27..a2c0619dea9031b91a04e40230e4554c1149d64b 100644 (file)
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -305,6 +305,15 @@ class User < ApplicationRecord
     max_messages.clamp(0, Settings.max_messages_per_hour)
   end
 
+  def max_friends_per_hour
+    account_age_in_seconds = Time.now.utc - creation_time
+    account_age_in_hours = account_age_in_seconds / 3600
+    recent_friends = friendships.where("created_at >= ?", Time.now.utc - 3600).count
+    active_reports = issues.with_status(:open).sum(:reports_count)
+    max_messages = account_age_in_hours.ceil + recent_friends - active_reports * 10
+    max_messages.clamp(0, Settings.max_friends_per_hour)
+  end
+
   private
 
   def set_defaults