feat: Enable reauthorization for Facebook (#1286)

lib/redis/alfred.rb

@@ -1,13 +1,17 @@
+# refer : https://redis.io/commands
+
 module Redis::Alfred
   include Redis::RedisKeys
 
   class << self
     # key operations
 
+    # set a value in redis
     def set(key, value)
       $alfred.set(key, value)
     end
 
+    # set a key with expiry period
     def setex(key, value, expiry = 1.day)
       $alfred.setex(key, expiry, value)
     end
@@ -20,6 +24,12 @@ module Redis::Alfred
       $alfred.del(key)
     end
 
+    # increment a key by 1. throws error if key value is incompatible
+    # sets key to 0 before operation if key doesn't exist
+    def incr(key)
+      $alfred.incr(key)
+    end
+
     # list operations
 
     def llen(key)

lib/redis/redis_keys.rb

@@ -10,4 +10,8 @@ module Redis::RedisKeys
   ONLINE_PRESENCE_CONTACTS = 'ONLINE_PRESENCE::%<account_id>d::CONTACTS'.freeze
   # sorted set storing online presense of account users
   ONLINE_PRESENCE_USERS = 'ONLINE_PRESENCE::%<account_id>d::USERS'.freeze
+
+  ## Authorization Status Keys
+  AUTHORIZATION_ERROR_COUNT = 'AUTHORIZATION_ERROR_COUNT:%<obj_type>s:%<obj_id>d'.freeze
+  REAUTHORIZATION_REQUIRED =  'REAUTHORIZATION_REQUIRED:%<obj_type>s:%<obj_id>d'.freeze
 end