Gab Social. All are welcome.

app/lib/activity_tracker.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+class ActivityTracker
+  EXPIRE_AFTER = 90.days.seconds
+
+  class << self
+    include Redisable
+
+    def increment(prefix)
+      key = [prefix, current_week].join(':')
+
+      redis.incrby(key, 1)
+      redis.expire(key, EXPIRE_AFTER)
+    end
+
+    def record(prefix, value)
+      key = [prefix, current_week].join(':')
+
+      redis.pfadd(key, value)
+      redis.expire(key, EXPIRE_AFTER)
+    end
+
+    private
+
+    def current_week
+      Time.zone.today.cweek
+    end
+  end
+end