gitlab-org--gitlab-foss/app/services/notification_service.rb

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# NotificationService class
#
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# Used for notifying users with emails about different events
#
# Ex.
# NotificationService.new.new_issue(issue, current_user)
#
class NotificationService
# Always notify user about ssh key added
# only if ssh key is not deploy key
#
# This is security email so it will be sent
# even if user disabled notifications
def new_key(key)
if key.user
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mailer.new_ssh_key_email(key.id).deliver_later
end
end
# Always notify user about email added to profile
def new_email(email)
if email.user
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mailer.new_email_email(email.id).deliver_later
end
end
# When create an issue we should send an email to:
#
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# * issue assignee if their notification level is not Disabled
# * project team members with notification level higher then Participating
# * watchers of the issue's labels
# * users with custom level checked with "new issue"
#
def new_issue(issue, current_user)
new_resource_email(issue, issue.project, :new_issue_email)
end
# When we close an issue we should send an email to:
#
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# * issue author if their notification level is not Disabled
# * issue assignee if their notification level is not Disabled
# * project team members with notification level higher then Participating
# * users with custom level checked with "close issue"
#
def close_issue(issue, current_user)
close_resource_email(issue, issue.project, current_user, :closed_issue_email)
end
# When we reassign an issue we should send an email to:
#
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# * issue old assignee if their notification level is not Disabled
# * issue new assignee if their notification level is not Disabled
# * users with custom level checked with "reassign issue"
#
def reassigned_issue(issue, current_user)
reassign_resource_email(issue, issue.project, current_user, :reassigned_issue_email)
end
# When we add labels to an issue we should send an email to:
#
# * watchers of the issue's labels
#
def relabeled_issue(issue, added_labels, current_user)
relabeled_resource_email(issue, added_labels, current_user, :relabeled_issue_email)
end
# When create a merge request we should send an email to:
#
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# * mr assignee if their notification level is not Disabled
# * project team members with notification level higher then Participating
# * watchers of the mr's labels
# * users with custom level checked with "new merge request"
#
def new_merge_request(merge_request, current_user)
new_resource_email(merge_request, merge_request.target_project, :new_merge_request_email)
end
# When we reassign a merge_request we should send an email to:
#
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# * merge_request old assignee if their notification level is not Disabled
# * merge_request assignee if their notification level is not Disabled
# * users with custom level checked with "reassign merge request"
#
def reassigned_merge_request(merge_request, current_user)
reassign_resource_email(merge_request, merge_request.target_project, current_user, :reassigned_merge_request_email)
end
# When we add labels to a merge request we should send an email to:
#
# * watchers of the mr's labels
#
def relabeled_merge_request(merge_request, added_labels, current_user)
relabeled_resource_email(merge_request, added_labels, current_user, :relabeled_merge_request_email)
end
def close_mr(merge_request, current_user)
close_resource_email(merge_request, merge_request.target_project, current_user, :closed_merge_request_email)
end
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def reopen_issue(issue, current_user)
reopen_resource_email(issue, issue.project, current_user, :issue_status_changed_email, 'reopened')
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end
def merge_mr(merge_request, current_user)
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close_resource_email(
merge_request,
merge_request.target_project,
current_user,
:merged_merge_request_email
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)
end
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def reopen_mr(merge_request, current_user)
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reopen_resource_email(
merge_request,
merge_request.target_project,
current_user,
:merge_request_status_email,
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'reopened'
)
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end
# Notify new user with email after creation
def new_user(user, token = nil)
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# Don't email omniauth created users
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mailer.new_user_email(user.id, token).deliver_later unless user.identities.any?
end
# Notify users on new note in system
#
# TODO: split on methods and refactor
#
def new_note(note)
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return true unless note.noteable_type.present?
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# ignore gitlab service messages
return true if note.note.start_with?('Status changed to closed')
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return true if note.cross_reference? && note.system?
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target = note.noteable
recipients = []
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mentioned_users = note.mentioned_users
mentioned_users.select! do |user|
user.can?(:read_project, note.project)
end
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# Add all users participating in the thread (author, assignee, comment authors)
participants =
if target.respond_to?(:participants)
target.participants(note.author)
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else
mentioned_users
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end
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recipients = recipients.concat(participants)
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# Merge project watchers
recipients = add_project_watchers(recipients, note.project)
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# Merge project with custom notification
recipients = add_custom_notifications(recipients, note.project, :new_note)
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# 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)
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recipients = add_subscribed_users(recipients, note.noteable)
recipients = reject_unsubscribed_users(recipients, note.noteable)
recipients = reject_users_without_access(recipients, note.noteable)
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recipients.delete(note.author)
recipients = recipients.uniq
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# build notify method like 'note_commit_email'
notify_method = "note_#{note.noteable_type.underscore}_email".to_sym
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recipients.each do |recipient|
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mailer.send(notify_method, recipient.id, note.id).deliver_later
end
end
# Members
def new_access_request(member)
mailer.member_access_requested_email(member.real_source_type, member.id).deliver_later
end
def decline_access_request(member)
mailer.member_access_denied_email(member.real_source_type, member.source_id, member.user_id).deliver_later
end
# Project invite
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def invite_project_member(project_member, token)
mailer.member_invited_email(project_member.real_source_type, project_member.id, token).deliver_later
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end
def accept_project_invite(project_member)
mailer.member_invite_accepted_email(project_member.real_source_type, project_member.id).deliver_later
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end
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def decline_project_invite(project_member)
mailer.member_invite_declined_email(
project_member.real_source_type,
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project_member.project.id,
project_member.invite_email,
project_member.access_level,
project_member.created_by_id
).deliver_later
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end
def new_project_member(project_member)
mailer.member_access_granted_email(project_member.real_source_type, project_member.id).deliver_later
end
def update_project_member(project_member)
mailer.member_access_granted_email(project_member.real_source_type, project_member.id).deliver_later
end
# Group invite
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def invite_group_member(group_member, token)
mailer.member_invited_email(group_member.real_source_type, group_member.id, token).deliver_later
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end
def accept_group_invite(group_member)
mailer.member_invite_accepted_email(group_member.real_source_type, group_member.id).deliver_later
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end
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def decline_group_invite(group_member)
mailer.member_invite_declined_email(
group_member.real_source_type,
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group_member.group.id,
group_member.invite_email,
group_member.access_level,
group_member.created_by_id
).deliver_later
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end
def new_group_member(group_member)
mailer.member_access_granted_email(group_member.real_source_type, group_member.id).deliver_later
end
def update_group_member(group_member)
mailer.member_access_granted_email(group_member.real_source_type, group_member.id).deliver_later
end
def project_was_moved(project, old_path_with_namespace)
recipients = project.team.members
recipients = reject_muted_users(recipients, project)
recipients.each do |recipient|
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mailer.project_was_moved_email(
project.id,
recipient.id,
old_path_with_namespace
).deliver_later
end
end
def issue_moved(issue, new_issue, current_user)
recipients = build_recipients(issue, issue.project, current_user)
recipients.map do |recipient|
email = mailer.issue_moved_email(recipient, issue, new_issue, current_user)
email.deliver_later
email
end
end
def project_exported(project, current_user)
mailer.project_was_exported_email(current_user, project).deliver_later
end
def project_not_exported(project, current_user, errors)
mailer.project_was_not_exported_email(current_user, project, errors).deliver_later
end
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)
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users_with_project_level_global = notification_settings_for(project, :global)
users_with_group_level_global = notification_settings_for(project.group, :global)
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users = users_with_global_level_watch([users_with_project_level_global, users_with_group_level_global].flatten.uniq)
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users_with_project_setting = select_project_member_setting(project, users_with_project_level_global, users)
users_with_group_setting = select_group_member_setting(project, project_members, users_with_group_level_global, users)
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User.where(id: users_with_project_setting.concat(users_with_group_setting).uniq).to_a
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end
def notification_settings_for(resource, notification_level = nil, action = nil)
return [] unless resource
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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
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end
def users_with_global_level_watch(ids)
settings_with_global_level_of(:watch, ids).pluck(:user_id)
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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 notifcation 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(project, project_members, global_setting, users_global_level_watch)
uids = notification_settings_for(project, :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.reject(&:blocked?)
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 !setting && project.group
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
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def reject_unsubscribed_users(recipients, target)
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return recipients unless target.respond_to? :subscriptions
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recipients.reject do |user|
subscription = target.subscriptions.find_by_user_id(user.id)
subscription && !subscription.subscribed
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end
end
def reject_users_without_access(recipients, target)
return recipients unless target.is_a?(Issue)
recipients.select do |user|
user.can?(:read_issue, target)
end
end
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def add_subscribed_users(recipients, target)
return recipients unless target.respond_to? :subscribers
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recipients + target.subscribers
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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
end
recipients
end
Merge Request on forked projects The good: - You can do a merge request for a forked commit and it will merge properly (i.e. it does work). - Push events take into account merge requests on forked projects - Tests around merge_actions now present, spinach, and other rspec tests - Satellites now clean themselves up rather then recreate The questionable: - Events only know about target projects - Project's merge requests only hold on to MR's where they are the target - All operations performed in the satellite The bad: - Duplication between project's repositories and satellites (e.g. commits_between) (for reference: http://feedback.gitlab.com/forums/176466-general/suggestions/3456722-merge-requests-between-projects-repos) Fixes: Make test repos/satellites only create when needed -Spinach/Rspec now only initialize test directory, and setup stubs (things that are relatively cheap) -project_with_code, source_project_with_code, and target_project_with_code now create/destroy their repos individually -fixed remote removal -How to merge renders properly -Update emails to show project/branches -Edit MR doesn't set target branch -Fix some failures on editing/creating merge requests, added a test -Added back a test around merge request observer -Clean up project_transfer_spec, Remove duplicate enable/disable observers -Ensure satellite lock files are cleaned up, Attempted to add some testing around these as well -Signifant speed ups for tests -Update formatting ordering in notes_on_merge_requests -Remove wiki schema update Fixes for search/search results -Search results was using by_project for a list of projects, updated this to use in_projects -updated search results to reference the correct (target) project -udpated search results to print both sides of the merge request Change-Id: I19407990a0950945cc95d62089cbcc6262dab1a8
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def new_resource_email(target, project, method)
recipients = build_recipients(target, project, target.author, action: "new")
recipients.each do |recipient|
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mailer.send(method, recipient.id, target.id).deliver_later
end
end
Merge Request on forked projects The good: - You can do a merge request for a forked commit and it will merge properly (i.e. it does work). - Push events take into account merge requests on forked projects - Tests around merge_actions now present, spinach, and other rspec tests - Satellites now clean themselves up rather then recreate The questionable: - Events only know about target projects - Project's merge requests only hold on to MR's where they are the target - All operations performed in the satellite The bad: - Duplication between project's repositories and satellites (e.g. commits_between) (for reference: http://feedback.gitlab.com/forums/176466-general/suggestions/3456722-merge-requests-between-projects-repos) Fixes: Make test repos/satellites only create when needed -Spinach/Rspec now only initialize test directory, and setup stubs (things that are relatively cheap) -project_with_code, source_project_with_code, and target_project_with_code now create/destroy their repos individually -fixed remote removal -How to merge renders properly -Update emails to show project/branches -Edit MR doesn't set target branch -Fix some failures on editing/creating merge requests, added a test -Added back a test around merge request observer -Clean up project_transfer_spec, Remove duplicate enable/disable observers -Ensure satellite lock files are cleaned up, Attempted to add some testing around these as well -Signifant speed ups for tests -Update formatting ordering in notes_on_merge_requests -Remove wiki schema update Fixes for search/search results -Search results was using by_project for a list of projects, updated this to use in_projects -updated search results to reference the correct (target) project -udpated search results to print both sides of the merge request Change-Id: I19407990a0950945cc95d62089cbcc6262dab1a8
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def close_resource_email(target, project, current_user, method)
action = method == :merged_merge_request_email ? "merge" : "close"
recipients = build_recipients(target, project, current_user, action: action)
recipients.each do |recipient|
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mailer.send(method, recipient.id, target.id, current_user.id).deliver_later
end
end
Merge Request on forked projects The good: - You can do a merge request for a forked commit and it will merge properly (i.e. it does work). - Push events take into account merge requests on forked projects - Tests around merge_actions now present, spinach, and other rspec tests - Satellites now clean themselves up rather then recreate The questionable: - Events only know about target projects - Project's merge requests only hold on to MR's where they are the target - All operations performed in the satellite The bad: - Duplication between project's repositories and satellites (e.g. commits_between) (for reference: http://feedback.gitlab.com/forums/176466-general/suggestions/3456722-merge-requests-between-projects-repos) Fixes: Make test repos/satellites only create when needed -Spinach/Rspec now only initialize test directory, and setup stubs (things that are relatively cheap) -project_with_code, source_project_with_code, and target_project_with_code now create/destroy their repos individually -fixed remote removal -How to merge renders properly -Update emails to show project/branches -Edit MR doesn't set target branch -Fix some failures on editing/creating merge requests, added a test -Added back a test around merge request observer -Clean up project_transfer_spec, Remove duplicate enable/disable observers -Ensure satellite lock files are cleaned up, Attempted to add some testing around these as well -Signifant speed ups for tests -Update formatting ordering in notes_on_merge_requests -Remove wiki schema update Fixes for search/search results -Search results was using by_project for a list of projects, updated this to use in_projects -updated search results to reference the correct (target) project -udpated search results to print both sides of the merge request Change-Id: I19407990a0950945cc95d62089cbcc6262dab1a8
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def reassign_resource_email(target, project, current_user, method)
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.each do |recipient|
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mailer.send(
method,
recipient.id,
target.id,
previous_assignee_id,
current_user.id
).deliver_later
end
end
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def relabeled_resource_email(target, labels, current_user, method)
recipients = build_relabeled_recipients(target, current_user, labels: labels)
label_names = labels.map(&:name)
recipients.each do |recipient|
mailer.send(method, recipient.id, target.id, label_names, current_user.id).deliver_later
end
end
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def reopen_resource_email(target, project, current_user, method, status)
recipients = build_recipients(target, project, current_user, action: "reopen")
recipients.each do |recipient|
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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)
custom_action = build_custom_key(action, target)
recipients = target.participants(current_user)
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recipients = add_project_watchers(recipients, project)
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)
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recipients = add_subscribed_users(recipients, target)
if [:new_issue, :new_merge_request].include?(custom_action)
recipients = add_labels_subscribers(recipients, target)
end
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recipients = reject_unsubscribed_users(recipients, target)
recipients = reject_users_without_access(recipients, target)
recipients.delete(current_user)
recipients.uniq
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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
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def mailer
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Notify
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end
def previous_record(object, attribute)
if object && attribute
if object.previous_changes.include?(attribute)
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object.previous_changes[attribute].first
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.name.underscore}".to_sym
end
end