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