lib/mongoid_follow/followee.rb in mongoid_follow-0.0.2 vs lib/mongoid_follow/followee.rb in mongoid_follow-0.1.0

@@ -1,27 +1,56 @@
 module Mongoid
   module Followee
     extend ActiveSupport::Concern
 
     included do |base|
+      base.field    :fferc, :type => Integer, :default => 0
       base.has_many :followers, :class_name => 'Follow', :as => :follower, :dependent => :destroy
     end
 
-    # see if this model is followed of some model
+    # know if self is followed by model
     #
     # Example:
     # >> @clyde.follower?(@bonnie)
     # => true
     def follower?(model)
       0 < self.followers.find(:all, conditions: {ff_id: model.id}).limit(1).count
     end
 
+    # get followees count
+    #
+    # Example:
+    # >> @bonnie.followees_count
+    # => 1
+    def followers_count
+      self.fferc
+    end
+
     # view all selfs followers
     #
     # Example:
-    # >> @clyde.follower?(@bonnie)
-    # => true
-    def followers(model)
-      #TODO
+    # >> @clyde.all_followers
+    # => [@bonnie, @alec]
+    def all_followers
+      get_followers_of(self)
+    end
+
+    # view all common followers of self against model
+    #
+    # Example:
+    # >> @clyde.common_followers_with(@gang)
+    # => [@bonnie, @alec]
+    def common_followers_with(model)
+      model_followers = get_followers_of(model)
+      self_followers = get_followers_of(self)
+
+      self_followers & model_followers
+    end
+
+    private
+    def get_followers_of(me)
+      me.followers.collect do |f|
+        f.ff_type.constantize.find(f.ff_id)
+      end
     end
   end
 end