Add delete subscriptions

Add the ability to delete
pipeline subscriptions from
the UI.

ee/app/views/projects/settings/subscriptions/_index.html.haml

@@ -20,8 +20,9 @@
         %tr
           %th= _("Project")
           %th= _("Author")
+          %th
       %tbody
-        - @project.upstream_projects.each do |project|
-          = render 'projects/settings/subscriptions/project', project: project
-        - @project.downstream_projects.each do |project|
-          = render 'projects/settings/subscriptions/project', project: project
+        - @project.upstream_project_subscriptions.each do |subscription|
+          = render 'projects/settings/subscriptions/project', project: subscription.upstream_project, subscription: subscription
+        - @project.downstream_project_subscriptions.each do |subscription|
+          = render 'projects/settings/subscriptions/project', project: subscription.downstream_project, subscription: subscription

ee/app/views/projects/settings/subscriptions/_project.html.haml

+- tooltip = _('Delete subscription')
 %tr
   %td
     = project.name
   %td
     = user_avatar_without_link(user: project.owner, size: 32)
     = project.owner.name
+  %td.gl-text-right
+    = link_to project_subscription_path(@project, subscription.id), method: :delete, data: { toggle: 'tooltip', title: tooltip, container: 'body', testid: 'delete-subscription' }, class: "gl-button btn btn-danger" do
+      = sprite_icon('close', size: 16, css_class: 'gl-icon')

ee/changelogs/unreleased/unsubscribe-pipeline-subscriptions.yml

+---
+title: Delete pipeline subscriptions from the UI
+merge_request: 45166
+author:
+type: added

ee/spec/features/projects/settings/pipeline_subscriptions_spec.rb

@@ -56,4 +56,18 @@ RSpec.describe 'Project Subscriptions', :js do
 
     expect(page).to have_content('This project path either does not exist or you do not have access.')
   end
+
+  it 'subscription is removed successfully' do
+    within '#pipeline-subscriptions' do
+      within 'form' do
+        fill_in 'upstream_project_path', with: upstream_project.full_path
+
+        click_on 'Subscribe'
+      end
+    end
+
+    find('[data-testid="delete-subscription"]').click
+
+    expect(page).to have_content('Subscription successfully deleted.')
+  end
 end

locale/gitlab.pot

@@ -8606,6 +8606,9 @@ msgstr ""
 msgid "Delete source branch"
 msgstr ""
 
+msgid "Delete subscription"
+msgstr ""
+
 msgid "Delete this attachment"
 msgstr ""