add new role moderator analogue to admin role

#5324

app/models/role.rb

@@ -1,11 +1,11 @@
-#NOTE add the person object you want to attach role to...
+# NOTE add the person object you want to attach role to...
 
 class Role < ActiveRecord::Base
   belongs_to :person
 
   validates :person, presence: true
   validates :name, uniqueness: {scope: :person_id}
-  validates :name, inclusion: {in: %w(admin spotlight)}
+  validates :name, inclusion: {in: %w(admin moderator spotlight)}
 
   scope :admins, -> { where(name: "admin") }
 
@@ -17,6 +17,10 @@ class Role < ActiveRecord::Base
     find_or_create_by(person_id: person.id, name: "admin")
   end
 
+  def self.add_moderator(person)
+    find_or_create_by(person_id: person.id, name: "moderator")
+  end
+
   def self.add_spotlight(person)
     find_or_create_by(person_id: person.id, name: "spotlight")
   end

spec/models/role_spec.rb

@@ -45,6 +45,13 @@ describe Role do
     end
   end
 
+  describe ".add_moderator" do
+    it "creates the moderator role" do
+      Role.add_moderator(person)
+      expect(person.roles.where(name: "moderator")).to exist
+    end
+  end
+
   describe ".add_spotlight" do
     it "creates the spotlight role" do
       Role.add_spotlight(person)