Use checkboxes for application scope setting (#4671)

app/controllers/settings/applications_controller.rb

@@ -5,6 +5,7 @@ class Settings::ApplicationsController < ApplicationController
 
   before_action :authenticate_user!
   before_action :set_application, only: [:show, :update, :destroy, :regenerate]
+  before_action :prepare_scopes, only: [:create, :update]
 
   def index
     @applications = current_user.applications.page(params[:page])
@@ -63,4 +64,9 @@ class Settings::ApplicationsController < ApplicationController
       :website
     )
   end
+
+  def prepare_scopes
+    scopes = params.fetch(:doorkeeper_application, {}).fetch(:scopes, nil)
+    params[:doorkeeper_application][:scopes] = scopes.join(' ') if scopes.is_a? Array
+  end
 end

app/views/settings/applications/_fields.html.haml

@@ -7,5 +7,15 @@
 
   %p.hint= t('doorkeeper.applications.help.native_redirect_uri', native_redirect_uri: Doorkeeper.configuration.native_redirect_uri)
 
-.fields-group
-  = f.input :scopes, wrapper: :with_label, label: t('activerecord.attributes.doorkeeper/application.scopes'), hint: t('doorkeeper.applications.help.scopes')
+.field-group
+  = f.input :scopes,
+    label: t('activerecord.attributes.doorkeeper/application.scopes'),
+    collection: Doorkeeper.configuration.scopes,
+    wrapper: :with_label,
+    include_blank: false,
+    selected: f.object.scopes.all,
+    required: false,
+    as: :check_boxes,
+    collection_wrapper_tag: 'ul',
+    item_wrapper_tag: 'li'
+

spec/controllers/settings/applications_controller_spec.rb

@@ -45,7 +45,7 @@ describe Settings::ApplicationsController do
   end
 
   describe 'POST #create' do
-    context 'success' do
+    context 'success (passed scopes as a String)' do
       def call_create
         post :create, params: {
                doorkeeper_application: {
@@ -67,6 +67,28 @@ describe Settings::ApplicationsController do
       end
     end
 
+    context 'success (passed scopes as an Array)' do
+      def call_create
+        post :create, params: {
+               doorkeeper_application: {
+                 name: 'My New App',
+                 redirect_uri: 'urn:ietf:wg:oauth:2.0:oob',
+                 website: 'http://google.com',
+                 scopes: [ 'read', 'write', 'follow' ]
+               }
+             }
+        response
+      end
+
+      it 'creates an entry in the database' do
+        expect { call_create }.to change(Doorkeeper::Application, :count)
+      end
+
+      it 'redirects back to applications page' do
+        expect(call_create).to redirect_to(settings_applications_path)
+      end
+    end
+
     context 'failure' do
       before do
         post :create, params: {
@@ -74,7 +96,7 @@ describe Settings::ApplicationsController do
                  name: '',
                  redirect_uri: '',
                  website: '',
-                 scopes: ''
+                 scopes: []
                }
              }
       end
@@ -123,7 +145,7 @@ describe Settings::ApplicationsController do
                   name: '',
                   redirect_uri: '',
                   website: '',
-                  scopes: ''
+                  scopes: []
                 }
               }
       end