GRN2-176: Create a role editor that allows admins to specify what permissions each role has (#709)

* Add roles editor

* Add colour selection ability to roles

* Add ability to assign roles to users in the UI

* Remove rolify and replace it with our own custom roles implemenation

* - Fix all existing roles functionality
- Fix super admins

* Fix bugs with new customers not have default roles

* Add can't create room setting

* Code improvements

* Fix migration

* Add tests for new methods

* Translate reserved role names

* Pull roles from saml/ldap

* Fix rspec

* Fix scrutinizer issues

* Fix email promoted/demoted tests

* Apply comments

* Redirect directly to the main room

* Add comments

spec/models/role_spec.rb

@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+# BigBlueButton open source conferencing system - http://www.bigbluebutton.org/.
+#
+# Copyright (c) 2018 BigBlueButton Inc. and by respective authors (see below).
+#
+# This program is free software; you can redistribute it and/or modify it under the
+# terms of the GNU Lesser General Public License as published by the Free Software
+# Foundation; either version 3.0 of the License, or (at your option) any later
+# version.
+#
+# BigBlueButton is distributed in the hope that it will be useful, but WITHOUT ANY
+# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License along
+# with BigBlueButton; if not, see <http://www.gnu.org/licenses/>.
+
+require "rails_helper"
+
+describe Role, type: :model do
+    it "should return duplicate if role name is in reserved role names" do
+        expect(Role.duplicate_name("admin", "greenlight")).to eq(true)
+    end
+
+    it "should return duplicate if role name matched another" do
+        Role.create(name: "test", provider: "greenlight")
+        expect(Role.duplicate_name("test", "greenlight")).to eq(true)
+    end
+
+    it "should return false role name doesn't exist" do
+        Role.create(name: "test", provider: "greenlight")
+        expect(Role.duplicate_name("test1", "greenlight")).to eq(false)
+    end
+end

spec/models/user_spec.rb

@@ -158,6 +158,72 @@ describe User, type: :model do
 
       expect(@admin.admin_of?(@user)).to be false
     end
+
+    it "should get the highest priority role" do
+      @admin = create(:user, provider: @user.provider)
+      @admin.add_role :admin
+
+      expect(@admin.highest_priority_role.name).to eq("admin")
+    end
+
+    it "should skip adding the role if the user already has the role" do
+      @admin = create(:user, provider: @user.provider)
+      @admin.add_role :admin
+      @admin.add_role :admin
+
+      expect(@admin.roles.count).to eq(2)
+    end
+
+    it "should add the role if the user doesn't already have the role" do
+      @admin = create(:user, provider: @user.provider)
+      @admin.add_role :admin
+
+      expect(@admin.roles.count).to eq(2)
+    end
+
+    it "should remove the role if the user has the role assigned to them" do
+      @admin = create(:user, provider: @user.provider)
+      @admin.add_role :admin
+      @admin.remove_role :admin
+
+      expect(@admin.roles.count).to eq(1)
+    end
+
+    it "has_role? should return false if the user doesn't have the role" do
+      expect(@user.has_role?(:admin)).to eq(false)
+    end
+
+    it "has_role? should return true if the user has the role" do
+      @admin = create(:user, provider: @user.provider)
+      @admin.add_role :admin
+
+      expect(@admin.has_role?(:admin)).to eq(true)
+    end
+
+    it "with_role should return all users with the role" do
+      @admin1 = create(:user, provider: @user.provider)
+      @admin2 = create(:user, provider: @user.provider)
+      @admin1.add_role :admin
+      @admin2.add_role :admin
+
+      expect(User.with_role(:admin).count).to eq(2)
+    end
+
+    it "without_role should return all users without the role" do
+      @admin1 = create(:user, provider: @user.provider)
+      @admin2 = create(:user, provider: @user.provider)
+      @admin1.add_role :admin
+      @admin2.add_role :admin
+
+      expect(User.without_role(:admin).count).to eq(1)
+    end
+
+    it "all_users_with_roles should return all users with at least one role" do
+      @admin1 = create(:user, provider: @user.provider)
+      @admin2 = create(:user, provider: @user.provider)
+
+      expect(User.all_users_with_roles.count).to eq(3)
+    end
   end
 
   context 'blank email' do