chinwagsocial/app/models/notification_group.rb

44 lines
1.7 KiB
Ruby

# frozen_string_literal: true
class NotificationGroup < ActiveModelSerializers::Model
attributes :group_key, :sample_accounts, :notifications_count, :notification, :most_recent_notification_id
# Try to keep this consistent with `app/javascript/mastodon/models/notification_group.ts`
SAMPLE_ACCOUNTS_SIZE = 8
def self.from_notification(notification, max_id: nil, grouped_types: nil)
grouped_types = grouped_types.presence&.map(&:to_sym) || Notification::GROUPABLE_NOTIFICATION_TYPES
groupable = notification.group_key.present? && grouped_types.include?(notification.type)
if groupable
# TODO: caching, and, if caching, preloading
scope = notification.account.notifications.where(group_key: notification.group_key)
scope = scope.where(id: ..max_id) if max_id.present?
# Ideally, we would not load accounts for each notification group
most_recent_notifications = scope.order(id: :desc).includes(:from_account).take(SAMPLE_ACCOUNTS_SIZE)
most_recent_id = most_recent_notifications.first.id
sample_accounts = most_recent_notifications.map(&:from_account)
notifications_count = scope.count
else
most_recent_id = notification.id
sample_accounts = [notification.from_account]
notifications_count = 1
end
NotificationGroup.new(
notification: notification,
group_key: groupable ? notification.group_key : "ungrouped-#{notification.id}",
sample_accounts: sample_accounts,
notifications_count: notifications_count,
most_recent_notification_id: most_recent_id
)
end
delegate :type,
:target_status,
:report,
:account_relationship_severance_event,
:account_warning,
to: :notification, prefix: false
end