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  1. # frozen_string_literal: true
  2. class Api::V1::Accounts::StatusesController < Api::BaseController
  3. before_action -> { doorkeeper_authorize! :read }
  4. before_action :set_account
  5. after_action :insert_pagination_headers
  6. respond_to :json
  7. def index
  8. @statuses = load_statuses
  9. render json: @statuses, each_serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new(@statuses, current_user&.account_id)
  10. end
  11. private
  12. def set_account
  13. @account = Account.find(params[:account_id])
  14. end
  15. def load_statuses
  16. cached_account_statuses
  17. end
  18. def cached_account_statuses
  19. cache_collection account_statuses, Status
  20. end
  21. def account_statuses
  22. default_statuses.tap do |statuses|
  23. statuses.merge!(only_media_scope) if truthy_param?(:only_media)
  24. statuses.merge!(pinned_scope) if truthy_param?(:pinned)
  25. statuses.merge!(no_replies_scope) if truthy_param?(:exclude_replies)
  26. end
  27. end
  28. def default_statuses
  29. permitted_account_statuses.paginate_by_max_id(
  30. limit_param(DEFAULT_STATUSES_LIMIT),
  31. params[:max_id],
  32. params[:since_id]
  33. )
  34. end
  35. def permitted_account_statuses
  36. @account.statuses.permitted_for(@account, current_account)
  37. end
  38. def only_media_scope
  39. Status.where(id: account_media_status_ids)
  40. end
  41. def account_media_status_ids
  42. # `SELECT DISTINCT id, updated_at` is too slow, so pluck ids at first, and then select id, updated_at with ids.
  43. # Also, Avoid getting slow by not narrowing down by `statuses.account_id`.
  44. # When narrowing down by `statuses.account_id`, `index_statuses_20180106` will be used
  45. # and the table will be joined by `Merge Semi Join`, so the query will be slow.
  46. Status.joins(:media_attachments).merge(@account.media_attachments).permitted_for(@account, current_account)
  47. .paginate_by_max_id(limit_param(DEFAULT_STATUSES_LIMIT), params[:max_id], params[:since_id])
  48. .reorder(id: :desc).distinct(:id).pluck(:id)
  49. end
  50. def pinned_scope
  51. @account.pinned_statuses
  52. end
  53. def no_replies_scope
  54. Status.without_replies
  55. end
  56. def pagination_params(core_params)
  57. params.slice(:limit, :only_media, :exclude_replies).permit(:limit, :only_media, :exclude_replies).merge(core_params)
  58. end
  59. def insert_pagination_headers
  60. set_pagination_headers(next_path, prev_path)
  61. end
  62. def next_path
  63. if records_continue?
  64. api_v1_account_statuses_url pagination_params(max_id: pagination_max_id)
  65. end
  66. end
  67. def prev_path
  68. unless @statuses.empty?
  69. api_v1_account_statuses_url pagination_params(since_id: pagination_since_id)
  70. end
  71. end
  72. def records_continue?
  73. @statuses.size == limit_param(DEFAULT_STATUSES_LIMIT)
  74. end
  75. def pagination_max_id
  76. @statuses.last.id
  77. end
  78. def pagination_since_id
  79. @statuses.first.id
  80. end
  81. end