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Commit d90c2505 by Rémy Coutable
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Merge branch '27477-refactor-notification-recipients' into 'master'

Resolve "Extract logic of who should receive notification into separate classes" Closes #27477 See merge request !9446
parents bbddd770 90ade76b
Showing with 382 additions and 305 deletions
app/services/notification_recipient_service.rb 0 → 100644
#
# Used by NotificationService to determine who should receive notification
#
class NotificationRecipientService
attr_reader :project
def initialize(project)
@project = project
end
def build_recipients(target, current_user, action: nil, previous_assignee: nil, skip_current_user: true)
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_custom_notifications(recipients, custom_action)
recipients = reject_mention_users(recipients)
# Re-assign is considered as a mention of the new assignee so we add the
# new assignee to the list of recipients after we rejected users with
# the "on mention" notification level
if [:reassign_merge_request, :reassign_issue].include?(custom_action)
recipients << previous_assignee if previous_assignee
recipients << target.assignee
end
recipients = reject_muted_users(recipients)
recipients = add_subscribed_users(recipients, target)
if [:new_issue, :new_merge_request].include?(custom_action)
recipients = add_labels_subscribers(recipients, target)
end
recipients = reject_unsubscribed_users(recipients, target)
recipients = reject_users_without_access(recipients, target)
recipients.delete(current_user) if skip_current_user
recipients.uniq
end
def build_relabeled_recipients(target, current_user, labels:)
recipients = add_labels_subscribers([], target, labels: labels)
recipients = reject_unsubscribed_users(recipients, target)
recipients = reject_users_without_access(recipients, target)
recipients.delete(current_user)
recipients.uniq
end
def build_new_note_recipients(note)
target = note.noteable
ability, subject = if note.for_personal_snippet?
[:read_personal_snippet, note.noteable]
else
[:read_project, note.project]
end
mentioned_users = note.mentioned_users.select { |user| user.can?(ability, subject) }
# Add all users participating in the thread (author, assignee, comment authors)
recipients =
if target.respond_to?(:participants)
target.participants(note.author)
else
mentioned_users
end
unless note.for_personal_snippet?
# Merge project watchers
recipients = add_project_watchers(recipients)
# Merge project with custom notification
recipients = add_custom_notifications(recipients, :new_note)
end
# Reject users with Mention notification level, except those mentioned in _this_ note.
recipients = reject_mention_users(recipients - mentioned_users)
recipients = recipients + mentioned_users
recipients = reject_muted_users(recipients)
recipients = add_subscribed_users(recipients, note.noteable)
recipients = reject_unsubscribed_users(recipients, note.noteable)
recipients = reject_users_without_access(recipients, note.noteable)
recipients.delete(note.author)
recipients.uniq
end
# Remove users with disabled notifications from array
# Also remove duplications and nil recipients
def reject_muted_users(users)
reject_users(users, :disabled)
end
protected
# Get project/group users with CUSTOM notification level
def add_custom_notifications(recipients, action)
user_ids = []
# Users with a notification setting on group or project
user_ids += user_ids_notifiable_on(project, :custom, action)
user_ids += user_ids_notifiable_on(project.group, :custom, action)
# Users with global level custom
user_ids_with_project_level_global = user_ids_notifiable_on(project, :global)
user_ids_with_group_level_global = user_ids_notifiable_on(project.group, :global)
global_users_ids = user_ids_with_project_level_global.concat(user_ids_with_group_level_global)
user_ids += user_ids_with_global_level_custom(global_users_ids, action)
recipients.concat(User.find(user_ids))
end
def add_project_watchers(recipients)
recipients.concat(project_watchers).compact
end
# Get project users with WATCH notification level
def project_watchers
project_members_ids = user_ids_notifiable_on(project)
user_ids_with_project_global = user_ids_notifiable_on(project, :global)
user_ids_with_group_global = user_ids_notifiable_on(project.group, :global)
user_ids = user_ids_with_global_level_watch((user_ids_with_project_global + user_ids_with_group_global).uniq)
user_ids_with_project_setting = select_project_members_ids(project, user_ids_with_project_global, user_ids)
user_ids_with_group_setting = select_group_members_ids(project.group, project_members_ids, user_ids_with_group_global, user_ids)
User.where(id: user_ids_with_project_setting.concat(user_ids_with_group_setting).uniq).to_a
end
# Remove users with notification level 'Mentioned'
def reject_mention_users(users)
reject_users(users, :mention)
end
def add_subscribed_users(recipients, target)
return recipients unless target.respond_to? :subscribers
recipients + target.subscribers(project)
end
def user_ids_notifiable_on(resource, notification_level = nil, action = nil)
return [] unless resource
if notification_level
settings = resource.notification_settings.where(level: NotificationSetting.levels[notification_level])
settings = settings.select { |setting| setting.events[action] } if action.present?
settings.map(&:user_id)
else
resource.notification_settings.pluck(:user_id)
end
end
# Build a list of user_ids based on project notification settings
def select_project_members_ids(project, global_setting, user_ids_global_level_watch)
user_ids = user_ids_notifiable_on(project, :watch)
# If project setting is global, add to watch list if global setting is watch
global_setting.each do |user_id|
if user_ids_global_level_watch.include?(user_id)
user_ids << user_id
end
end
user_ids
end
# Build a list of user_ids based on group notification settings
def select_group_members_ids(group, project_members, global_setting, user_ids_global_level_watch)
uids = user_ids_notifiable_on(group, :watch)
# Group setting is watch, add to user_ids list if user is not project member
user_ids = []
uids.each do |user_id|
if project_members.exclude?(user_id)
user_ids << user_id
end
end
# Group setting is global, add to user_ids list if global setting is watch
global_setting.each do |user_id|
if project_members.exclude?(user_id) && user_ids_global_level_watch.include?(user_id)
user_ids << user_id
end
end
user_ids
end
def user_ids_with_global_level_watch(ids)
settings_with_global_level_of(:watch, ids).pluck(:user_id)
end
def user_ids_with_global_level_custom(ids, action)
settings = settings_with_global_level_of(:custom, ids)
settings = settings.select { |setting| setting.events[action] }
settings.map(&:user_id)
end
def settings_with_global_level_of(level, ids)
NotificationSetting.where(
user_id: ids,
source_type: nil,
level: NotificationSetting.levels[level]
)
end
# Reject users which has certain notification level
#
# Example:
# reject_users(users, :watch, project)
#
def reject_users(users, level)
level = level.to_s
unless NotificationSetting.levels.keys.include?(level)
raise 'Invalid notification level'
end
users = users.to_a.compact.uniq
users = users.select { |u| u.can?(:receive_notifications) }
users.reject do |user|
global_notification_setting = user.global_notification_setting
next global_notification_setting.level == level unless project
setting = user.notification_settings_for(project)
if project.group && (setting.nil? || setting.global?)
setting = user.notification_settings_for(project.group)
end
# reject users who globally set mention notification and has no setting per project/group
next global_notification_setting.level == level unless setting
# reject users who set mention notification in project
next true if setting.level == level
# reject users who have mention level in project and disabled in global settings
setting.global? && global_notification_setting.level == level
end
end
def reject_unsubscribed_users(recipients, target)
return recipients unless target.respond_to? :subscriptions
recipients.reject do |user|
subscription = target.subscriptions.find_by_user_id(user.id)
subscription && !subscription.subscribed
end
end
def reject_users_without_access(recipients, target)
ability = case target
when Issuable
:"read_#{target.to_ability_name}"
when Ci::Pipeline
:read_build # We have build trace in pipeline emails
end
return recipients unless ability
recipients.select do |user|
user.can?(ability, target)
end
end
def add_labels_subscribers(recipients, target, labels: nil)
return recipients unless target.respond_to? :labels
(labels || target.labels).each do |label|
recipients += label.subscribers(project)
end
recipients
end
# Build event key to search on custom notification level
# Check NotificationSetting::EMAIL_EVENTS
def build_custom_key(action, object)
"#{action}_#{object.class.model_name.name.underscore}".to_sym
end
end
app/services/notification_service.rb
......@@ -150,7 +150,10 @@ class NotificationService
end
def resolve_all_discussions(merge_request, current_user)
recipients = build_recipients(merge_request, merge_request.target_project, current_user, action: "resolve_all_discussions")
recipients = NotificationRecipientService.new(merge_request.target_project).build_recipients(
merge_request,
current_user,
action: "resolve_all_discussions")
recipients.each do |recipient|
mailer.resolved_all_discussions_email(recipient.id, merge_request.id, current_user.id).deliver_later
......@@ -164,64 +167,15 @@ class NotificationService
end
# Notify users on new note in system
#
# TODO: split on methods and refactor
#
def new_note(note)
return true unless note.noteable_type.present?
# ignore gitlab service messages
return true if note.cross_reference? && note.system?
target = note.noteable
recipients = []
mentioned_users = note.mentioned_users
ability, subject = if note.for_personal_snippet?
[:read_personal_snippet, note.noteable]
else
[:read_project, note.project]
end
mentioned_users.select! do |user|
user.can?(ability, subject)
end
# Add all users participating in the thread (author, assignee, comment authors)
participants =
if target.respond_to?(:participants)
target.participants(note.author)
else
mentioned_users
end
recipients = recipients.concat(participants)
unless note.for_personal_snippet?
# Merge project watchers
recipients = add_project_watchers(recipients, note.project)
# Merge project with custom notification
recipients = add_custom_notifications(recipients, note.project, :new_note)
end
# Reject users with Mention notification level, except those mentioned in _this_ note.
recipients = reject_mention_users(recipients - mentioned_users, note.project)
recipients = recipients + mentioned_users
recipients = reject_muted_users(recipients, note.project)
recipients = add_subscribed_users(recipients, note.project, note.noteable)
recipients = reject_unsubscribed_users(recipients, note.noteable)
recipients = reject_users_without_access(recipients, note.noteable)
recipients.delete(note.author)
recipients = recipients.uniq
notify_method = "note_#{note.to_ability_name}_email".to_sym
recipients = NotificationRecipientService.new(note.project).build_new_note_recipients(note)
recipients.each do |recipient|
mailer.send(notify_method, recipient.id, note.id).deliver_later
end
......@@ -290,7 +244,7 @@ class NotificationService
def project_was_moved(project, old_path_with_namespace)
recipients = project.team.members
recipients = reject_muted_users(recipients, project)
recipients = NotificationRecipientService.new(project).reject_muted_users(recipients)
recipients.each do |recipient|
mailer.project_was_moved_email(
......@@ -302,7 +256,7 @@ class NotificationService
end
def issue_moved(issue, new_issue, current_user)
recipients = build_recipients(issue, issue.project, current_user)
recipients = NotificationRecipientService.new(issue.project).build_recipients(issue, current_user)
recipients.map do |recipient|
email = mailer.issue_moved_email(recipient, issue, new_issue, current_user)
......@@ -324,9 +278,8 @@ class NotificationService
return unless mailer.respond_to?(email_template)
recipients ||= build_recipients(
recipients ||= NotificationRecipientService.new(pipeline.project).build_recipients(
pipeline,
pipeline.project,
nil, # The acting user, who won't be added to recipients
action: pipeline.status).map(&:notification_email)
......@@ -337,199 +290,8 @@ class NotificationService
protected
# Get project/group users with CUSTOM notification level
def add_custom_notifications(recipients, project, action)
user_ids = []
# Users with a notification setting on group or project
user_ids += notification_settings_for(project, :custom, action)
user_ids += notification_settings_for(project.group, :custom, action)
# Users with global level custom
users_with_project_level_global = notification_settings_for(project, :global)
users_with_group_level_global = notification_settings_for(project.group, :global)
global_users_ids = users_with_project_level_global.concat(users_with_group_level_global)
user_ids += users_with_global_level_custom(global_users_ids, action)
recipients.concat(User.find(user_ids))
end
# Get project users with WATCH notification level
def project_watchers(project)
project_members = notification_settings_for(project)
users_with_project_level_global = notification_settings_for(project, :global)
users_with_group_level_global = notification_settings_for(project.group, :global)
users = users_with_global_level_watch([users_with_project_level_global, users_with_group_level_global].flatten.uniq)
users_with_project_setting = select_project_member_setting(project, users_with_project_level_global, users)
users_with_group_setting = select_group_member_setting(project.group, project_members, users_with_group_level_global, users)
User.where(id: users_with_project_setting.concat(users_with_group_setting).uniq).to_a
end
def notification_settings_for(resource, notification_level = nil, action = nil)
return [] unless resource
if notification_level
settings = resource.notification_settings.where(level: NotificationSetting.levels[notification_level])
settings = settings.select { |setting| setting.events[action] } if action.present?
settings.map(&:user_id)
else
resource.notification_settings.pluck(:user_id)
end
end
def users_with_global_level_watch(ids)
settings_with_global_level_of(:watch, ids).pluck(:user_id)
end
def users_with_global_level_custom(ids, action)
settings = settings_with_global_level_of(:custom, ids)
settings = settings.select { |setting| setting.events[action] }
settings.map(&:user_id)
end
def settings_with_global_level_of(level, ids)
NotificationSetting.where(
user_id: ids,
source_type: nil,
level: NotificationSetting.levels[level]
)
end
# Build a list of users based on project notification settings
def select_project_member_setting(project, global_setting, users_global_level_watch)
users = notification_settings_for(project, :watch)
# If project setting is global, add to watch list if global setting is watch
global_setting.each do |user_id|
if users_global_level_watch.include?(user_id)
users << user_id
end
end
users
end
# Build a list of users based on group notification settings
def select_group_member_setting(group, project_members, global_setting, users_global_level_watch)
uids = notification_settings_for(group, :watch)
# Group setting is watch, add to users list if user is not project member
users = []
uids.each do |user_id|
if project_members.exclude?(user_id)
users << user_id
end
end
# Group setting is global, add to users list if global setting is watch
global_setting.each do |user_id|
if project_members.exclude?(user_id) && users_global_level_watch.include?(user_id)
users << user_id
end
end
users
end
def add_project_watchers(recipients, project)
recipients.concat(project_watchers(project)).compact
end
# Remove users with disabled notifications from array
# Also remove duplications and nil recipients
def reject_muted_users(users, project = nil)
reject_users(users, :disabled, project)
end
# Remove users with notification level 'Mentioned'
def reject_mention_users(users, project = nil)
reject_users(users, :mention, project)
end
# Reject users which has certain notification level
#
# Example:
# reject_users(users, :watch, project)
#
def reject_users(users, level, project = nil)
level = level.to_s
unless NotificationSetting.levels.keys.include?(level)
raise 'Invalid notification level'
end
users = users.to_a.compact.uniq
users = users.select { |u| u.can?(:receive_notifications) }
users.reject do |user|
global_notification_setting = user.global_notification_setting
next global_notification_setting.level == level unless project
setting = user.notification_settings_for(project)
if project.group && (setting.nil? || setting.global?)
setting = user.notification_settings_for(project.group)
end
# reject users who globally set mention notification and has no setting per project/group
next global_notification_setting.level == level unless setting
# reject users who set mention notification in project
next true if setting.level == level
# reject users who have mention level in project and disabled in global settings
setting.global? && global_notification_setting.level == level
end
end
def reject_unsubscribed_users(recipients, target)
return recipients unless target.respond_to? :subscriptions
recipients.reject do |user|
subscription = target.subscriptions.find_by_user_id(user.id)
subscription && !subscription.subscribed
end
end
def reject_users_without_access(recipients, target)
ability = case target
when Issuable
:"read_#{target.to_ability_name}"
when Ci::Pipeline
:read_build # We have build trace in pipeline emails
end
return recipients unless ability
recipients.select do |user|
user.can?(ability, target)
end
end
def add_subscribed_users(recipients, project, target)
return recipients unless target.respond_to? :subscribers
recipients + target.subscribers(project)
end
def add_labels_subscribers(recipients, project, target, labels: nil)
return recipients unless target.respond_to? :labels
(labels || target.labels).each do |label|
recipients += label.subscribers(project)
end
recipients
end
def new_resource_email(target, project, method)
recipients = build_recipients(target, project, target.author, action: "new")
recipients = NotificationRecipientService.new(project).build_recipients(target, target.author, action: "new")
recipients.each do |recipient|
mailer.send(method, recipient.id, target.id).deliver_later
......@@ -537,7 +299,7 @@ class NotificationService
end
def new_mentions_in_resource_email(target, project, new_mentioned_users, current_user, method)
recipients = build_recipients(target, project, current_user, action: "new")
recipients = NotificationRecipientService.new(project).build_recipients(target, current_user, action: "new")
recipients = recipients & new_mentioned_users
recipients.each do |recipient|
......@@ -548,9 +310,8 @@ class NotificationService
def close_resource_email(target, project, current_user, method, skip_current_user: true)
action = method == :merged_merge_request_email ? "merge" : "close"
recipients = build_recipients(
recipients = NotificationRecipientService.new(project).build_recipients(
target,
project,
current_user,
action: action,
skip_current_user: skip_current_user
......@@ -565,7 +326,12 @@ class NotificationService
previous_assignee_id = previous_record(target, 'assignee_id')
previous_assignee = User.find_by(id: previous_assignee_id) if previous_assignee_id
recipients = build_recipients(target, project, current_user, action: "reassign", previous_assignee: previous_assignee)
recipients = NotificationRecipientService.new(project).build_recipients(
target,
current_user,
action: "reassign",
previous_assignee: previous_assignee
)
recipients.each do |recipient|
mailer.send(
......@@ -579,7 +345,7 @@ class NotificationService
end
def relabeled_resource_email(target, project, labels, current_user, method)
recipients = build_relabeled_recipients(target, project, current_user, labels: labels)
recipients = NotificationRecipientService.new(project).build_relabeled_recipients(target, current_user, labels: labels)
label_names = labels.map(&:name)
recipients.each do |recipient|
......@@ -588,58 +354,13 @@ class NotificationService
end
def reopen_resource_email(target, project, current_user, method, status)
recipients = build_recipients(target, project, current_user, action: "reopen")
recipients = NotificationRecipientService.new(project).build_recipients(target, current_user, action: "reopen")
recipients.each do |recipient|
mailer.send(method, recipient.id, target.id, status, current_user.id).deliver_later
end
end
def build_recipients(target, project, current_user, action: nil, previous_assignee: nil, skip_current_user: true)
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, project)
end
recipients = add_custom_notifications(recipients, project, custom_action)
recipients = reject_mention_users(recipients, project)
recipients = recipients.uniq
# Re-assign is considered as a mention of the new assignee so we add the
# new assignee to the list of recipients after we rejected users with
# the "on mention" notification level
if [:reassign_merge_request, :reassign_issue].include?(custom_action)
recipients << previous_assignee if previous_assignee
recipients << target.assignee
end
recipients = reject_muted_users(recipients, project)
recipients = add_subscribed_users(recipients, project, target)
if [:new_issue, :new_merge_request].include?(custom_action)
recipients = add_labels_subscribers(recipients, project, target)
end
recipients = reject_unsubscribed_users(recipients, target)
recipients = reject_users_without_access(recipients, target)
recipients.delete(current_user) if skip_current_user
recipients.uniq
end
def build_relabeled_recipients(target, project, current_user, labels:)
recipients = add_labels_subscribers([], project, target, labels: labels)
recipients = reject_unsubscribed_users(recipients, target)
recipients = reject_users_without_access(recipients, target)
recipients.delete(current_user)
recipients.uniq
end
def mailer
Notify
end
......@@ -651,10 +372,4 @@ class NotificationService
end
end
end
# Build event key to search on custom notification level
# Check NotificationSetting::EMAIL_EVENTS
def build_custom_key(action, object)
"#{action}_#{object.class.model_name.name.underscore}".to_sym
end
end
spec/services/notification_service_spec.rb
......@@ -758,7 +758,7 @@ describe NotificationService, services: true do
update_custom_notification(:reopen_issue, @u_custom_global)
end
it 'sends email to issue assignee and issue author' do
it 'sends email to issue notification recipients' do
notification.reopen_issue(issue, @u_disabled)
should_email(issue.assignee)
......@@ -772,6 +772,7 @@ describe NotificationService, services: true do
should_email(@watcher_and_subscriber)
should_not_email(@unsubscriber)
should_not_email(@u_participating)
should_not_email(@u_disabled)
should_not_email(@u_lazy_participant)
end
......@@ -781,6 +782,32 @@ describe NotificationService, services: true do
let(:notification_trigger) { notification.reopen_issue(issue, @u_disabled) }
end
end
describe '#issue_moved' do
let(:new_issue) { create(:issue) }
it 'sends email to issue notification recipients' do
notification.issue_moved(issue, new_issue, @u_disabled)
should_email(issue.assignee)
should_email(issue.author)
should_email(@u_watcher)
should_email(@u_guest_watcher)
should_email(@u_participant_mentioned)
should_email(@subscriber)
should_email(@watcher_and_subscriber)
should_not_email(@unsubscriber)
should_not_email(@u_participating)
should_not_email(@u_disabled)
should_not_email(@u_lazy_participant)
end
it_behaves_like 'participating notifications' do
let(:participant) { create(:user, username: 'user-participant') }
let(:issuable) { issue }
let(:notification_trigger) { notification.issue_moved(issue, new_issue, @u_disabled) }
end
end
end
describe 'Merge Requests' do
......@@ -1192,6 +1219,48 @@ describe NotificationService, services: true do
end
end
describe 'Pipelines' do
describe '#pipeline_finished' do
let(:project) { create(:project, :public) }
let(:current_user) { create(:user) }
let(:u_member) { create(:user) }
let(:u_other) { create(:user) }
let(:commit) { project.commit }
let(:pipeline) do
create(:ci_pipeline, :success,
project: project,
user: current_user,
ref: 'refs/heads/master',
sha: commit.id,
before_sha: '00000000')
end
before do
project.add_master(current_user)
project.add_master(u_member)
reset_delivered_emails!
end
context 'without custom recipients' do
it 'notifies the pipeline user' do
notification.pipeline_finished(pipeline)
should_only_email(current_user, kind: :bcc)
end
end
context 'with custom recipients' do
it 'notifies the custom recipients' do
users = [u_member, u_other]
notification.pipeline_finished(pipeline, users.map(&:notification_email))
should_only_email(*users, kind: :bcc)
end
end
end
end
def build_team(project)
@u_watcher = create_global_setting_for(create(:user), :watch)
@u_participating = create_global_setting_for(create(:user), :participating)
......
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