119 lines
4.7 KiB
Ruby
119 lines
4.7 KiB
Ruby
# frozen_string_literal: true
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class Api::V2Alpha::NotificationsController < Api::BaseController
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before_action -> { doorkeeper_authorize! :read, :'read:notifications' }, except: [:clear, :dismiss]
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before_action -> { doorkeeper_authorize! :write, :'write:notifications' }, only: [:clear, :dismiss]
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before_action :require_user!
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after_action :insert_pagination_headers, only: :index
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DEFAULT_NOTIFICATIONS_LIMIT = 40
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def index
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with_read_replica do
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@notifications = load_notifications
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@group_metadata = load_group_metadata
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@grouped_notifications = load_grouped_notifications
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@relationships = StatusRelationshipsPresenter.new(target_statuses_from_notifications, current_user&.account_id)
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@sample_accounts = @grouped_notifications.flat_map(&:sample_accounts)
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# Preload associations to avoid N+1s
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ActiveRecord::Associations::Preloader.new(records: @sample_accounts, associations: [:account_stat, { user: :role }]).call
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end
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MastodonOTELTracer.in_span('Api::V2Alpha::NotificationsController#index rendering') do |span|
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statuses = @grouped_notifications.filter_map { |group| group.target_status&.id }
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span.add_attributes(
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'app.notification_grouping.count' => @grouped_notifications.size,
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'app.notification_grouping.sample_account.count' => @sample_accounts.size,
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'app.notification_grouping.sample_account.unique_count' => @sample_accounts.pluck(:id).uniq.size,
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'app.notification_grouping.status.count' => statuses.size,
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'app.notification_grouping.status.unique_count' => statuses.uniq.size
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)
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render json: @grouped_notifications, each_serializer: REST::NotificationGroupSerializer, relationships: @relationships, group_metadata: @group_metadata
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end
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end
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def show
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@notification = current_account.notifications.without_suspended.find_by!(group_key: params[:id])
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render json: NotificationGroup.from_notification(@notification), serializer: REST::NotificationGroupSerializer
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end
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def clear
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current_account.notifications.delete_all
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render_empty
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end
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def dismiss
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current_account.notifications.where(group_key: params[:id]).destroy_all
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render_empty
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end
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private
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def load_notifications
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MastodonOTELTracer.in_span('Api::V2Alpha::NotificationsController#load_notifications') do
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notifications = browserable_account_notifications.includes(from_account: [:account_stat, :user]).to_a_grouped_paginated_by_id(
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limit_param(DEFAULT_NOTIFICATIONS_LIMIT),
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params_slice(:max_id, :since_id, :min_id)
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)
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Notification.preload_cache_collection_target_statuses(notifications) do |target_statuses|
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preload_collection(target_statuses, Status)
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end
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end
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end
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def load_group_metadata
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return {} if @notifications.empty?
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MastodonOTELTracer.in_span('Api::V2Alpha::NotificationsController#load_group_metadata') do
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browserable_account_notifications
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.where(group_key: @notifications.filter_map(&:group_key))
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.where(id: (@notifications.last.id)..(@notifications.first.id))
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.group(:group_key)
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.pluck(:group_key, 'min(notifications.id) as min_id', 'max(notifications.id) as max_id', 'max(notifications.created_at) as latest_notification_at')
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.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 }] }
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end
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end
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def load_grouped_notifications
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MastodonOTELTracer.in_span('Api::V2Alpha::NotificationsController#load_grouped_notifications') do
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@notifications.map { |notification| NotificationGroup.from_notification(notification, max_id: @group_metadata.dig(notification.group_key, :max_id)) }
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end
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end
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def browserable_account_notifications
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current_account.notifications.without_suspended.browserable(
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types: Array(browserable_params[:types]),
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exclude_types: Array(browserable_params[:exclude_types]),
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include_filtered: truthy_param?(:include_filtered)
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)
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end
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def target_statuses_from_notifications
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@notifications.filter_map(&:target_status)
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end
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def next_path
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api_v2_alpha_notifications_url pagination_params(max_id: pagination_max_id) unless @notifications.empty?
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end
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def prev_path
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api_v2_alpha_notifications_url pagination_params(min_id: pagination_since_id) unless @notifications.empty?
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end
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def pagination_collection
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@notifications
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end
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def browserable_params
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params.permit(:include_filtered, types: [], exclude_types: [])
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end
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def pagination_params(core_params)
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params.slice(:limit, :types, :exclude_types, :include_filtered).permit(:limit, :include_filtered, types: [], exclude_types: []).merge(core_params)
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end
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end
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