Merge branch 'fix-default-role' into 'master'

Set default role as teacher



See merge request !132

app/models/user.rb

@@ -27,8 +27,9 @@ class User < ActiveRecord::Base
   has_and_belongs_to_many :roles
 
   after_create SyncUserRepositoryService.new
-  after_destroy SyncUserRepositoryService.new
+  after_create :default_role
 
+  after_destroy SyncUserRepositoryService.new
   after_destroy CreateUserBookmarksService.new
 
   has_attached_file :avatar, styles: {medium: "300x300>", thumb: "60x60>"}, default_url: lambda { |image| ActionController::Base.helpers.asset_path('user-anon.png') }
@@ -56,8 +57,13 @@ class User < ActiveRecord::Base
     roles.each do |role|
       return true if role.name == "admin"
     end
-
     false
   end
 
+  private
+
+  def default_role
+    roles << role_repository.find_by_name("teacher")
+  end
+
 end