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  1. # frozen_string_literal: true
  2. class Api::V1::Accounts::StatusesController < Api::BaseController
  3. before_action -> { doorkeeper_authorize! :read, :'read:statuses' }
  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. statuses = truthy_param?(:pinned) ? pinned_scope : permitted_account_statuses
  23. statuses = statuses.paginate_by_max_id(
  24. limit_param(DEFAULT_STATUSES_LIMIT),
  25. params[:max_id],
  26. params[:since_id]
  27. )
  28. statuses.merge!(only_media_scope) if truthy_param?(:only_media)
  29. statuses.merge!(no_replies_scope) if truthy_param?(:exclude_replies)
  30. statuses
  31. end
  32. def permitted_account_statuses
  33. @account.statuses.permitted_for(@account, current_account)
  34. end
  35. def only_media_scope
  36. Status.where(id: account_media_status_ids)
  37. end
  38. def account_media_status_ids
  39. # `SELECT DISTINCT id, updated_at` is too slow, so pluck ids at first, and then select id, updated_at with ids.
  40. # Also, Avoid getting slow by not narrowing down by `statuses.account_id`.
  41. # When narrowing down by `statuses.account_id`, `index_statuses_20180106` will be used
  42. # and the table will be joined by `Merge Semi Join`, so the query will be slow.
  43. Status.joins(:media_attachments).merge(@account.media_attachments).permitted_for(@account, current_account)
  44. .paginate_by_max_id(limit_param(DEFAULT_STATUSES_LIMIT), params[:max_id], params[:since_id])
  45. .reorder(id: :desc).distinct(:id).pluck(:id)
  46. end
  47. def pinned_scope
  48. @account.pinned_statuses
  49. end
  50. def no_replies_scope
  51. Status.without_replies
  52. end
  53. def pagination_params(core_params)
  54. params.slice(:limit, :only_media, :exclude_replies).permit(:limit, :only_media, :exclude_replies).merge(core_params)
  55. end
  56. def insert_pagination_headers
  57. set_pagination_headers(next_path, prev_path)
  58. end
  59. def next_path
  60. if records_continue?
  61. api_v1_account_statuses_url pagination_params(max_id: pagination_max_id)
  62. end
  63. end
  64. def prev_path
  65. unless @statuses.empty?
  66. api_v1_account_statuses_url pagination_params(since_id: pagination_since_id)
  67. end
  68. end
  69. def records_continue?
  70. @statuses.size == limit_param(DEFAULT_STATUSES_LIMIT)
  71. end
  72. def pagination_max_id
  73. @statuses.last.id
  74. end
  75. def pagination_since_id
  76. @statuses.first.id
  77. end
  78. end