Application prefs section (#2758)

* Add code for creating/managing apps to settings section

* Add specs for app changes

* Fix controller spec

* Fix view file I pasted over by mistake

* Add locale strings. Add 'my apps' to nav

* Add Client ID/Secret to App page. Add some visual separation

* Fix rubocop warnings

* Fix embarrassing typo

I lost an `end` statement while fixing a merge conflict.

* Add code for creating/managing apps to settings section

- Add specs for app changes
- Add locale strings. Add 'my apps' to nav
- Add Client ID/Secret to App page. Add some visual separation
- Fix some bugs/warnings

* Update to match code standards

* Trigger notification

* Add warning about not sharing API secrets

* Tweak spec a bit

* Cleanup fixture creation by using let!

* Remove unused key

* Add foreign key for application<->user

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

@@ -0,0 +1,4 @@
+= f.input :name, hint: t('activerecord.attributes.doorkeeper/application.name')
+= f.input :website, hint: t('activerecord.attributes.doorkeeper/application.website')
+= f.input :redirect_uri, hint: t('activerecord.attributes.doorkeeper/application.redirect_uri')
+= f.input :scopes, hint: t('activerecord.attributes.doorkeeper/application.scopes')

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

@@ -0,0 +1,20 @@
+- content_for :page_title do
+  = t('doorkeeper.applications.index.title')
+
+%table.table
+  %thead
+    %tr
+      %th= t('doorkeeper.applications.index.application')
+      %th= t('doorkeeper.applications.index.scopes')
+      %th= t('doorkeeper.applications.index.created_at')
+      %th
+  %tbody
+    - @applications.each do |application|
+      %tr
+        %td= link_to application.name, settings_application_path(application)
+        %th= application.scopes.map { |scope| t(scope, scope: [:doorkeeper, :scopes]) }.join('<br />').html_safe
+        %td= l application.created_at
+        %td= table_link_to 'show', t('doorkeeper.applications.index.show'), settings_application_path(application)
+        %td= table_link_to 'times', t('doorkeeper.applications.index.delete'), settings_application_path(application), method: :delete, data: { confirm: t('doorkeeper.applications.confirmations.destroy') }
+= paginate @applications
+= link_to t('add_new'), new_settings_application_path, class: 'button'

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

@@ -0,0 +1,9 @@
+- content_for :page_title do
+  = t('doorkeeper.applications.new.title')
+  
+.form-container
+  = simple_form_for @application, url: settings_applications_path do |f|
+    = render 'fields', f:f
+    
+    .actions
+      = f.button :button, t('.create'), type: :submit

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

@@ -0,0 +1,28 @@
+- content_for :page_title do
+  = t('doorkeeper.applications.show.title', name: @application.name)
+
+
+%p.hint= t('application.warning')
+  
+%div
+  %h3= t('application.uid')
+  %code= @application.uid
+
+%div 
+  %h3= t('application.secret')
+  %code= @application.secret
+
+%div
+  %h3= t('access_token.your_token')
+  %code= current_user.token_for_app(@application).token
+
+= link_to t('access_token.regenerate'), settings_application_regenerate_path(@application), method: :put,  class: 'button'
+
+%hr
+
+= simple_form_for @application, url: settings_application_path(@application), method: :put do |f|
+  = render 'fields', f:f
+    
+  .actions
+    = f.button :button, t('generic.save_changes'), type: :submit
+