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# frozen_string_literal: true
module NotificationRecipients
module Builder
class Base
def initialize(*)
raise 'abstract'
end
def build!
raise 'abstract'
end
def filter!
recipients.select!(&:notifiable?)
end
def acting_user
current_user
end
def target
raise 'abstract'
end
# override if needed
def recipients_target
target
end
def project
target.project
end
def group
project&.group || target.try(:group)
end
def recipients
@recipients ||= []
end
# rubocop: disable CodeReuse/ActiveRecord
def add_recipients(users, type, reason)
if users.is_a?(ActiveRecord::Relation)
users = users.includes(:notification_settings)
end
users = Array(users).compact
recipients.concat(users.map { |u| make_recipient(u, type, reason) })
end
# rubocop: enable CodeReuse/ActiveRecord
# rubocop: disable CodeReuse/ActiveRecord
def user_scope
User.includes(:notification_settings)
end
# rubocop: enable CodeReuse/ActiveRecord
def make_recipient(user, type, reason)
NotificationRecipient.new(
user, type,
reason: reason,
project: project,
group: group,
custom_action: custom_action,
target: recipients_target,
acting_user: acting_user
)
end
def notification_recipients
@notification_recipients ||=
begin
build!
filter!
recipients = self.recipients.sort_by { |r| NotificationReason.priority(r.reason) }.uniq(&:user)
recipients.freeze
end
end
def custom_action
nil
end
protected
def add_participants(user)
return unless target.respond_to?(:participants)
add_recipients(target.participants(user), :participating, nil)
end
def add_mentions(user, target:)
return unless target.respond_to?(:mentioned_users)
add_recipients(target.mentioned_users(user), :mention, NotificationReason::MENTIONED)
end
# Get project/group users with CUSTOM notification level
# rubocop: disable CodeReuse/ActiveRecord
def add_custom_notifications
user_ids = []
# Users with a notification setting on group or project
user_ids += user_ids_notifiable_on(project, :custom)
user_ids += user_ids_notifiable_on(group, :custom)
# 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(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, custom_action)
add_recipients(user_scope.where(id: user_ids), :custom, nil)
end
# rubocop: enable CodeReuse/ActiveRecord
def add_project_watchers
add_recipients(project_watchers, :watch, nil) if project
end
def add_group_watchers
add_recipients(group_watchers, :watch, nil)
end
# Get project users with WATCH notification level
# rubocop: disable CodeReuse/ActiveRecord
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(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_scope.where(id: user_ids_with_project_setting.concat(user_ids_with_group_setting).uniq)
end
# rubocop: enable CodeReuse/ActiveRecord
# rubocop: disable CodeReuse/ActiveRecord
def group_watchers
user_ids_with_group_global = user_ids_notifiable_on(group, :global)
user_ids = user_ids_with_global_level_watch(user_ids_with_group_global)
user_ids_with_group_setting = select_group_members_ids(group, [], user_ids_with_group_global, user_ids)
user_scope.where(id: user_ids_with_group_setting)
end
# rubocop: enable CodeReuse/ActiveRecord
def add_subscribed_users
return unless target.respond_to? :subscribers
add_recipients(target.subscribers(project), :subscription, NotificationReason::SUBSCRIBED)
end
# rubocop: disable CodeReuse/ActiveRecord
def user_ids_notifiable_on(resource, notification_level = nil)
return [] unless resource
scope = resource.notification_settings
if notification_level
scope = scope.where(level: NotificationSetting.levels[notification_level])
end
scope.pluck(:user_id)
end
# rubocop: enable CodeReuse/ActiveRecord
# Build a list of user_ids based on project notification settings
def select_project_members_ids(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
user_ids + (global_setting & user_ids_global_level_watch)
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 global, add to user_ids list if global setting is watch
uids + (global_setting & user_ids_global_level_watch) - project_members
end
# rubocop: disable CodeReuse/ActiveRecord
def user_ids_with_global_level_watch(ids)
settings_with_global_level_of(:watch, ids).pluck(:user_id)
end
# rubocop: enable CodeReuse/ActiveRecord
# rubocop: disable CodeReuse/ActiveRecord
def user_ids_with_global_level_custom(ids, action)
settings_with_global_level_of(:custom, ids).pluck(:user_id)
end
# rubocop: enable CodeReuse/ActiveRecord
# rubocop: disable CodeReuse/ActiveRecord
def settings_with_global_level_of(level, ids)
NotificationSetting.where(
user_id: ids,
source_type: nil,
level: NotificationSetting.levels[level]
)
end
# rubocop: enable CodeReuse/ActiveRecord
def add_labels_subscribers(labels: nil)
return unless target.respond_to? :labels
(labels || target.labels).each do |label|
add_recipients(label.subscribers(project), :subscription, NotificationReason::SUBSCRIBED)
end
end
end
end
end
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