app/controllers/api/v1/notifications_controller.rb

   1 # frozen_string_literal: true
   2
   3 class Api::V1::NotificationsController < Api::BaseController
   4   before_action -> { doorkeeper_authorize! :read }
   5   before_action :require_user!
   6   after_action :insert_pagination_headers, only: :index
   7
   8   respond_to :json
   9
  10   DEFAULT_NOTIFICATIONS_LIMIT = 15
  11
  12   def index
  13     @notifications = load_notifications
  14     set_maps_for_notification_target_statuses
  15   end
  16
  17   def show
  18     @notification = current_account.notifications.find(params[:id])
  19   end
  20
  21   def clear
  22     current_account.notifications.delete_all
  23     render_empty
  24   end
  25
  26   def dismiss
  27     current_account.notifications.find_by!(id: params[:id]).destroy!
  28     render_empty
  29   end
  30
  31   private
  32
  33   def load_notifications
  34     cache_collection paginated_notifications, Notification
  35   end
  36
  37   def paginated_notifications
  38     browserable_account_notifications.paginate_by_max_id(
  39       limit_param(DEFAULT_NOTIFICATIONS_LIMIT),
  40       params[:max_id],
  41       params[:since_id]
  42     )
  43   end
  44
  45   def browserable_account_notifications
  46     current_account.notifications.browserable(exclude_types)
  47   end
  48
  49   def set_maps_for_notification_target_statuses
  50     set_maps target_statuses_from_notifications
  51   end
  52
  53   def target_statuses_from_notifications
  54     @notifications.select { |notification| !notification.target_status.nil? }.map(&:target_status)
  55   end
  56
  57   def insert_pagination_headers
  58     set_pagination_headers(next_path, prev_path)
  59   end
  60
  61   def next_path
  62     unless @notifications.empty?
  63       api_v1_notifications_url pagination_params(max_id: pagination_max_id)
  64     end
  65   end
  66
  67   def prev_path
  68     unless @notifications.empty?
  69       api_v1_notifications_url pagination_params(since_id: pagination_since_id)
  70     end
  71   end
  72
  73   def pagination_max_id
  74     @notifications.last.id
  75   end
  76
  77   def pagination_since_id
  78     @notifications.first.id
  79   end
  80
  81   def exclude_types
  82     val = params.permit(exclude_types: [])[:exclude_types] || []
  83     val = [val] unless val.is_a?(Enumerable)
  84     val
  85   end
  86
  87   def pagination_params(core_params)
  88     params.permit(:limit, exclude_types: []).merge(core_params)
  89   end
  90 end