Add administrative webhooks (#18510)

* Add administrative webhooks

* Fix error when webhook is deleted before delivery worker runs

app/views/admin/webhooks/_form.html.haml

@@ -0,0 +1,11 @@
+= simple_form_for @webhook, url: @webhook.new_record? ? admin_webhooks_path : admin_webhook_path(@webhook) do |f|
+  = render 'shared/error_messages', object: @webhook
+
+  .fields-group
+    = f.input :url, wrapper: :with_block_label, input_html: { placeholder: 'https://' }
+
+  .fields-group
+    = f.input :events, collection: Webhook::EVENTS, wrapper: :with_block_label, include_blank: false, as: :check_boxes, collection_wrapper_tag: 'ul', item_wrapper_tag: 'li'
+
+  .actions
+    = f.button :button, @webhook.new_record? ? t('admin.webhooks.add_new') : t('generic.save_changes'), type: :submit

app/views/admin/webhooks/_webhook.html.haml

@@ -0,0 +1,19 @@
+.applications-list__item
+  = link_to admin_webhook_path(webhook), class: 'announcements-list__item__title' do
+    = fa_icon 'inbox'
+    = webhook.url
+
+  .announcements-list__item__action-bar
+    .announcements-list__item__meta
+      - if webhook.enabled?
+        %span.positive-hint= t('admin.webhooks.enabled')
+      - else
+        %span.negative-hint= t('admin.webhooks.disabled')
+
+      •
+
+      %abbr{ title: webhook.events.join(', ') }= t('admin.webhooks.enabled_events', count: webhook.events.size)
+
+    %div
+      = table_link_to 'pencil', t('admin.webhooks.edit'), edit_admin_webhook_path(webhook) if can?(:update, webhook)
+      = table_link_to 'trash', t('admin.webhooks.delete'), admin_webhook_path(webhook), method: :delete, data: { confirm: t('admin.accounts.are_you_sure') } if can?(:destroy, webhook)

app/views/admin/webhooks/edit.html.haml

@@ -0,0 +1,4 @@
+- content_for :page_title do
+  = t('admin.webhooks.edit')
+
+= render partial: 'form'

app/views/admin/webhooks/index.html.haml

@@ -0,0 +1,18 @@
+- content_for :page_title do
+  = t('admin.webhooks.title')
+
+- content_for :heading_actions do
+  = link_to t('admin.webhooks.add_new'), new_admin_webhook_path, class: 'button' if can?(:create, :webhook)
+
+%p= t('admin.webhooks.description_html')
+
+%hr.spacer/
+
+- if @webhooks.empty?
+  %div.muted-hint.center-text
+    = t 'admin.webhooks.empty'
+- else
+  .applications-list
+    = render partial: 'webhook', collection: @webhooks
+
+  = paginate @webhooks

app/views/admin/webhooks/new.html.haml

@@ -0,0 +1,4 @@
+- content_for :page_title do
+  = t('admin.webhooks.new')
+
+= render partial: 'form'

app/views/admin/webhooks/show.html.haml

@@ -0,0 +1,34 @@
+- content_for :page_title do
+  = t('admin.webhooks.title')
+
+- content_for :heading do
+  %h2
+    %small
+      = fa_icon 'inbox'
+      = t('admin.webhooks.webhook')
+    = @webhook.url
+
+- content_for :heading_actions do
+  = link_to t('admin.webhooks.edit'), edit_admin_webhook_path, class: 'button' if can?(:update, @webhook)
+
+.table-wrapper
+  %table.table.horizontal-table
+    %tbody
+      %tr
+        %th= t('admin.webhooks.status')
+        %td
+          - if @webhook.enabled?
+            %span.positive-hint= t('admin.webhooks.enabled')
+            = table_link_to 'power-off', t('admin.webhooks.disable'), disable_admin_webhook_path(@webhook), method: :post if can?(:disable, @webhook)
+          - else
+            %span.negative-hint= t('admin.webhooks.disabled')
+            = table_link_to 'power-off', t('admin.webhooks.enable'), enable_admin_webhook_path(@webhook), method: :post if can?(:enable, @webhook)
+      %tr
+        %th= t('admin.webhooks.events')
+        %td
+          %abbr{ title: @webhook.events.join(', ') }= t('admin.webhooks.enabled_events', count: @webhook.events.size)
+      %tr
+        %th= t('admin.webhooks.secret')
+        %td
+          %samp= @webhook.secret
+          = table_link_to 'refresh', t('admin.webhooks.rotate_secret'), rotate_admin_webhook_secret_path(@webhook), method: :post if can?(:rotate_secret, @webhook)