Add #service_enabled? method to user model

spec/models/user_spec.rb

@@ -80,6 +80,25 @@ RSpec.describe User, type: :model do
     end
   end
 
+  describe "#service_enabled?" do
+    before do
+      allow(user).to receive(:ldap_entry).and_return({
+        uid: user.cn, ou: user.ou, mail: user.email, admin: nil,
+        services_enabled: ["gitea", "xmpp"]
+      })
+    end
+
+    it "returns true or false" do
+      expect(user.service_enabled?("gitea")).to be(true)
+      expect(user.service_enabled?("email")).to be(false)
+    end
+
+    it "returns false when service is not enabled" do
+      expect(user.service_enabled?(:gitea)).to be(true)
+      expect(user.service_enabled?(:email)).to be(false)
+    end
+  end
+
   describe "#enable_service" do
     before do
       allow(user).to receive(:ldap_entry).and_return({