Added activities to user on create and update

Signed-off-by: Israel Barreto Sant'Anna <ibsa14@inf.ufpr.br>

app/models/user.rb

@@ -40,6 +40,10 @@ class User < ApplicationRecord
   include Tagger
   include Complainable
   include Publisher
+  include PublicActivity::Common
+
+  after_create -> { new_activity("create") }
+  after_update -> { new_activity("update") }
 
   # Include default devise modules. Others available are:
   # :confirmable, :lockable, :timeoutable and :omniauthable
@@ -193,4 +197,14 @@ class User < ApplicationRecord
       password: Devise.friendly_token[0, 20]
     )
   end
+
+  def new_activity(type)
+    should_create = true
+    if type == "update"
+      ignore = ["tokens", "sign_in_count", "current_sign_in_at", "last_sign_in_at", "updated_at"]
+      filtered = changed.reject { |x| ignore.include?(x) }
+      should_create = !filtered.empty?
+    end
+    self.create_activity key: 'user.'+type, trackable: self, owner: self, recipient: self, privacy: "public" if should_create
+  end
 end