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mastodon/app/controllers/api/v2_alpha/notifications_controller.rb

146 lines
5.6 KiB
Ruby

# frozen_string_literal: true
class Api::V2Alpha::NotificationsController < Api::BaseController
before_action -> { doorkeeper_authorize! :read, :'read:notifications' }, except: [:clear, :dismiss]
before_action -> { doorkeeper_authorize! :write, :'write:notifications' }, only: [:clear, :dismiss]
before_action :require_user!
after_action :insert_pagination_headers, only: :index
DEFAULT_NOTIFICATIONS_LIMIT = 40
DEFAULT_NOTIFICATIONS_COUNT_LIMIT = 100
MAX_NOTIFICATIONS_COUNT_LIMIT = 1_000
def index
with_read_replica do
@notifications = load_notifications
@group_metadata = load_group_metadata
@grouped_notifications = load_grouped_notifications
@relationships = StatusRelationshipsPresenter.new(target_statuses_from_notifications, current_user&.account_id)
@presenter = GroupedNotificationsPresenter.new(@grouped_notifications, expand_accounts: expand_accounts_param)
# Preload associations to avoid N+1s
ActiveRecord::Associations::Preloader.new(records: @presenter.accounts, associations: [:account_stat, { user: :role }]).call
end
MastodonOTELTracer.in_span('Api::V2Alpha::NotificationsController#index rendering') do |span|
statuses = @grouped_notifications.filter_map { |group| group.target_status&.id }
span.add_attributes(
'app.notification_grouping.count' => @grouped_notifications.size,
'app.notification_grouping.account.count' => @presenter.accounts.size,
'app.notification_grouping.partial_account.count' => @presenter.partial_accounts.size,
'app.notification_grouping.status.count' => statuses.size,
'app.notification_grouping.status.unique_count' => statuses.uniq.size,
'app.notification_grouping.expand_accounts_param' => expand_accounts_param
)
render json: @presenter, serializer: REST::DedupNotificationGroupSerializer, relationships: @relationships, group_metadata: @group_metadata, expand_accounts: expand_accounts_param
end
end
def unread_count
limit = limit_param(DEFAULT_NOTIFICATIONS_COUNT_LIMIT, MAX_NOTIFICATIONS_COUNT_LIMIT)
with_read_replica do
render json: { count: browserable_account_notifications.paginate_groups_by_min_id(limit, min_id: notification_marker&.last_read_id).count }
end
end
def show
@notification = current_account.notifications.without_suspended.find_by!(group_key: params[:id])
presenter = GroupedNotificationsPresenter.new([NotificationGroup.from_notification(@notification)])
render json: presenter, serializer: REST::DedupNotificationGroupSerializer
end
def clear
current_account.notifications.delete_all
render_empty
end
def dismiss
current_account.notifications.where(group_key: params[:id]).destroy_all
render_empty
end
private
def load_notifications
MastodonOTELTracer.in_span('Api::V2Alpha::NotificationsController#load_notifications') do
notifications = browserable_account_notifications.includes(from_account: [:account_stat, :user]).to_a_grouped_paginated_by_id(
limit_param(DEFAULT_NOTIFICATIONS_LIMIT),
params_slice(:max_id, :since_id, :min_id)
)
Notification.preload_cache_collection_target_statuses(notifications) do |target_statuses|
preload_collection(target_statuses, Status)
end
end
end
def load_group_metadata
return {} if @notifications.empty?
MastodonOTELTracer.in_span('Api::V2Alpha::NotificationsController#load_group_metadata') do
browserable_account_notifications
.where(group_key: @notifications.filter_map(&:group_key))
.where(id: (@notifications.last.id)..(@notifications.first.id))
.group(:group_key)
.pluck(:group_key, 'min(notifications.id) as min_id', 'max(notifications.id) as max_id', 'max(notifications.created_at) as latest_notification_at')
.to_h { |group_key, min_id, max_id, latest_notification_at| [group_key, { min_id: min_id, max_id: max_id, latest_notification_at: latest_notification_at }] }
end
end
def load_grouped_notifications
MastodonOTELTracer.in_span('Api::V2Alpha::NotificationsController#load_grouped_notifications') do
@notifications.map { |notification| NotificationGroup.from_notification(notification, max_id: @group_metadata.dig(notification.group_key, :max_id)) }
end
end
def browserable_account_notifications
current_account.notifications.without_suspended.browserable(
types: Array(browserable_params[:types]),
exclude_types: Array(browserable_params[:exclude_types]),
include_filtered: truthy_param?(:include_filtered)
)
end
def notification_marker
current_user.markers.find_by(timeline: 'notifications')
end
def target_statuses_from_notifications
@notifications.filter_map(&:target_status)
end
def next_path
api_v2_alpha_notifications_url pagination_params(max_id: pagination_max_id) unless @notifications.empty?
end
def prev_path
api_v2_alpha_notifications_url pagination_params(min_id: pagination_since_id) unless @notifications.empty?
end
def pagination_collection
@notifications
end
def browserable_params
params.permit(:include_filtered, types: [], exclude_types: [])
end
def pagination_params(core_params)
params.slice(:limit, :types, :exclude_types, :include_filtered).permit(:limit, :include_filtered, types: [], exclude_types: []).merge(core_params)
end
def expand_accounts_param
case params[:expand_accounts]
when nil, 'full'
'full'
when 'partial_avatars'
'partial_avatars'
else
raise Mastodon::InvalidParameterError, "Invalid value for 'expand_accounts': '#{params[:expand_accounts]}', allowed values are 'full' and 'partial_avatars'"
end
end
end