Quiet pipeline emails

app/models/ci/pipeline.rb

@@ -164,11 +164,6 @@ module Ci
       builds.latest.with_artifacts_not_expired.includes(project: [:namespace])
     end
 
-    # For now the only user who participates is the user who triggered
-    def participants(_current_user = nil)
-      Array(user)
-    end
-
     def valid_commit_sha
       if self.sha == Gitlab::Git::BLANK_SHA
         self.errors.add(:sha, " cant be 00000000 (branch removal)")

app/models/notification_setting.rb

@@ -60,16 +60,25 @@ class NotificationSetting < ActiveRecord::Base
   def set_events
     return if custom?
 
-    EMAIL_EVENTS.each do |event|
-      events[event] = false
-    end
+    self.events = {}
   end
 
   # Validates store accessors values as boolean
   # It is a text field so it does not cast correct boolean values in JSON
   def events_to_boolean
     EMAIL_EVENTS.each do |event|
-      events[event] = ActiveRecord::ConnectionAdapters::Column::TRUE_VALUES.include?(events[event])
+      bool = ActiveRecord::ConnectionAdapters::Column::TRUE_VALUES.include?(public_send(event))
+
+      events[event] = bool
     end
   end
+
+  # Allow people to receive failed pipeline notifications if they already have
+  # custom notifications enabled, as these are more like mentions than the other
+  # custom settings.
+  def failed_pipeline
+    bool = super
+
+    bool.nil? || bool
+  end
 end

app/services/notification_recipient_service.rb

@@ -3,7 +3,7 @@
 #
 class NotificationRecipientService
   attr_reader :project
-  
+
   def initialize(project)
     @project = project
   end
@@ -12,11 +12,7 @@ class NotificationRecipientService
     custom_action = build_custom_key(action, target)
 
     recipients = target.participants(current_user)
-
-    unless NotificationSetting::EXCLUDED_WATCHER_EVENTS.include?(custom_action)
-      recipients = add_project_watchers(recipients)
-    end
-
+    recipients = add_project_watchers(recipients)
     recipients = add_custom_notifications(recipients, custom_action)
     recipients = reject_mention_users(recipients)
 
@@ -43,6 +39,28 @@ class NotificationRecipientService
     recipients.uniq
   end
 
+  def build_pipeline_recipients(target, current_user, action:)
+    return [] unless current_user
+
+    custom_action =
+      case action.to_s
+      when 'failed'
+        :failed_pipeline
+      when 'success'
+        :success_pipeline
+      end
+
+    notification_setting = notification_setting_for_user_project(current_user, target.project)
+
+    return [] if notification_setting.mention? || notification_setting.disabled?
+
+    return [] if notification_setting.custom? && !notification_setting.public_send(custom_action)
+
+    return [] if (notification_setting.watch? || notification_setting.participating?) && NotificationSetting::EXCLUDED_WATCHER_EVENTS.include?(custom_action)
+
+    reject_users_without_access([current_user], target)
+  end
+
   def build_relabeled_recipients(target, current_user, labels:)
     recipients = add_labels_subscribers([], target, labels: labels)
     recipients = reject_unsubscribed_users(recipients, target)
@@ -290,4 +308,16 @@ class NotificationRecipientService
   def build_custom_key(action, object)
     "#{action}_#{object.class.model_name.name.underscore}".to_sym
   end
+
+  def notification_setting_for_user_project(user, project)
+    project_setting = user.notification_settings_for(project)
+
+    return project_setting unless project_setting.global?
+
+    group_setting = user.notification_settings_for(project.group)
+
+    return group_setting unless group_setting.global?
+
+    user.global_notification_setting
+  end
 end

app/services/notification_service.rb

@@ -278,11 +278,11 @@ class NotificationService
 
     return unless mailer.respond_to?(email_template)
 
-    recipients ||= NotificationRecipientService.new(pipeline.project).build_recipients(
+    recipients ||= NotificationRecipientService.new(pipeline.project).build_pipeline_recipients(
       pipeline,
       pipeline.user,
       action: pipeline.status,
-      skip_current_user: false).map(&:notification_email)
+    ).map(&:notification_email)
 
     if recipients.any?
       mailer.public_send(email_template, pipeline, recipients).deliver_later

app/views/shared/notifications/_custom_notifications.html.haml

@@ -25,7 +25,7 @@
                   .form-group
                     .checkbox{ class: ("prepend-top-0" if index == 0) }
                       %label{ for: field_id }
-                        = check_box("notification_setting", event, id: field_id, class: "js-custom-notification-event", checked: notification_setting.events[event])
+                        = check_box("notification_setting", event, id: field_id, class: "js-custom-notification-event", checked: notification_setting.public_send(event))
                         %strong
                           = notification_event_name(event)
                           = icon("spinner spin", class: "custom-notification-event-loading")

changelogs/unreleased/quiet-pipelines.yml

+---
+title: Only email pipeline creators; only email for successful pipelines with custom
+  settings
+merge_request:
+author:

doc/workflow/notifications.md

@@ -66,14 +66,13 @@ Below is the table of events users can be notified of:
 In all of the below cases, the notification will be sent to:
 - Participants:
   - the author and assignee of the issue/merge request
-  - the author of the pipeline
   - authors of comments on the issue/merge request
   - anyone mentioned by `@username` in the issue/merge request title or description
   - anyone mentioned by `@username` in any of the comments on the issue/merge request
 
     ...with notification level "Participating" or higher
 
-- Watchers: users with notification level "Watch" (however successful pipeline would be off for watchers)
+- Watchers: users with notification level "Watch"
 - Subscribers: anyone who manually subscribed to the issue/merge request
 - Custom: Users with notification level "custom" who turned on notifications for any of the events present in the table below
 
@@ -89,8 +88,8 @@ In all of the below cases, the notification will be sent to:
 | Reopen merge request   | |
 | Merge merge request    | |
 | New comment            | The above, plus anyone mentioned by `@username` in the comment, with notification level "Mention" or higher |
-| Failed pipeline        | The above, plus the author of the pipeline |
-| Successful pipeline    | The above, plus the author of the pipeline |
+| Failed pipeline        | The author of the pipeline |
+| Successful pipeline    | The author of the pipeline, if they have the custom notification setting for successful pipelines set |
 
 
 In addition, if the title or description of an Issue or Merge Request is

spec/factories/ci/pipelines.rb

@@ -48,6 +48,10 @@ FactoryGirl.define do
       trait :success do
         status :success
       end
+
+      trait :failed do
+        status :failed
+      end
     end
   end
 end

spec/models/ci/pipeline_spec.rb

@@ -1055,10 +1055,13 @@ describe Ci::Pipeline, models: true do
     end
 
     before do
-      reset_delivered_emails!
-
       project.team << [pipeline.user, Gitlab::Access::DEVELOPER]
 
+      pipeline.user.global_notification_setting.
+        update(level: 'custom', failed_pipeline: true, success_pipeline: true)
+
+      reset_delivered_emails!
+
       perform_enqueued_jobs do
         pipeline.enqueue
         pipeline.run

spec/workers/pipeline_notification_worker_spec.rb

@@ -3,131 +3,19 @@ require 'spec_helper'
 describe PipelineNotificationWorker do
   include EmailHelpers
 
-  let(:pipeline) do
-    create(:ci_pipeline,
-           project: project,
-           sha: project.commit('master').sha,
-           user: pusher,
-           status: status)
-  end
-
-  let(:project) { create(:project, :repository, public_builds: false) }
-  let(:user) { create(:user) }
-  let(:pusher) { user }
-  let(:watcher) { pusher }
+  let(:pipeline) { create(:ci_pipeline) }
 
   describe '#execute' do
-    before do
-      reset_delivered_emails!
-      pipeline.project.team << [pusher, Gitlab::Access::DEVELOPER]
-    end
-
-    context 'when watcher has developer access' do
-      before do
-        pipeline.project.team << [watcher, Gitlab::Access::DEVELOPER]
-      end
-
-      shared_examples 'sending emails' do
-        it 'sends emails' do
-          perform_enqueued_jobs do
-            subject.perform(pipeline.id)
-          end
-
-          emails = ActionMailer::Base.deliveries
-          actual = emails.flat_map(&:bcc).sort
-          expected_receivers = receivers.map(&:email).uniq.sort
-
-          expect(actual).to eq(expected_receivers)
-          expect(emails.size).to eq(1)
-          expect(emails.last.subject).to include(email_subject)
-        end
-      end
-
-      context 'with success pipeline' do
-        let(:status) { 'success' }
-        let(:email_subject) { "Pipeline ##{pipeline.id} has succeeded" }
-        let(:receivers) { [pusher, watcher] }
-
-        it_behaves_like 'sending emails'
-
-        context 'with pipeline from someone else' do
-          let(:pusher) { create(:user) }
-          let(:watcher) { user }
-
-          context 'with success pipeline notification on' do
-            before do
-              watcher.global_notification_setting.
-                update(level: 'custom', success_pipeline: true)
-            end
-
-            it_behaves_like 'sending emails'
-          end
-
-          context 'with success pipeline notification off' do
-            let(:receivers) { [pusher] }
+    it 'calls NotificationService#pipeline_finished when the pipeline exists' do
+      expect(NotificationService).to receive_message_chain(:new, :pipeline_finished)
 
-            before do
-              watcher.global_notification_setting.
-                update(level: 'custom', success_pipeline: false)
-            end
-
-            it_behaves_like 'sending emails'
-          end
-        end
-
-        context 'with failed pipeline' do
-          let(:status) { 'failed' }
-          let(:email_subject) { "Pipeline ##{pipeline.id} has failed" }
-
-          it_behaves_like 'sending emails'
-
-          context 'with pipeline from someone else' do
-            let(:pusher) { create(:user) }
-            let(:watcher) { user }
-
-            context 'with failed pipeline notification on' do
-              before do
-                watcher.global_notification_setting.
-                  update(level: 'custom', failed_pipeline: true)
-              end
-
-              it_behaves_like 'sending emails'
-            end
-
-            context 'with failed pipeline notification off' do
-              let(:receivers) { [pusher] }
-
-              before do
-                watcher.global_notification_setting.
-                  update(level: 'custom', failed_pipeline: false)
-              end
-
-              it_behaves_like 'sending emails'
-            end
-          end
-        end
-      end
+      subject.perform(pipeline.id)
     end
 
-    context 'when watcher has no read_build access' do
-      let(:status) { 'failed' }
-      let(:email_subject) { "Pipeline ##{pipeline.id} has failed" }
-      let(:watcher) { create(:user) }
-
-      before do
-        pipeline.project.team << [watcher, Gitlab::Access::GUEST]
-
-        watcher.global_notification_setting.
-          update(level: 'custom', failed_pipeline: true)
-
-        perform_enqueued_jobs do
-          subject.perform(pipeline.id)
-        end
-      end
+    it 'does nothing when the pipeline does not exist' do
+      expect(NotificationService).not_to receive(:new)
 
-      it 'does not send emails' do
-        should_only_email(pusher, kind: :bcc)
-      end
+      subject.perform(Ci::Pipeline.maximum(:id).to_i.succ)
     end
   end
 end