about summary refs log tree commit diff
path: root/app/controllers/api/v1/accounts/statuses_controller.rb
blob: 11661ce084d2e36bc2f55b669aeb82deb23dd1e6 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
# frozen_string_literal: true

class Api::V1::Accounts::StatusesController < Api::BaseController
  before_action -> { authorize_if_got_token! :read, :'read:statuses' }
  before_action :set_account
  after_action :insert_pagination_headers

  respond_to :json

  def index
    @statuses = load_statuses
    render json: @statuses, each_serializer: REST::StatusSerializer, relationships: StatusRelationshipsPresenter.new(@statuses, current_user&.account_id)
  end

  private

  def set_account
    @account = Account.find(params[:account_id])
  end

  def load_statuses
    cached_account_statuses
  end

  def cached_account_statuses
    cache_collection account_statuses, Status
  end

  def account_statuses
    statuses = truthy_param?(:pinned) ? pinned_scope : permitted_account_statuses

    statuses = statuses.without_replies if !@account.replies || truthy_param?(:exclude_replies)
    statuses = statuses.without_reblogs if truthy_param?(:exclude_reblogs)
    statuses = statuses.reblogs if truthy_param?(:reblogs) && !truthy_param?(:exclude_reblogs)
    statuses = statuses.where(id: account_media_status_ids) if truthy_param?(:only_media)
    statuses = statuses.hashtag_scope if params[:tagged].present?

    statuses.paginate_by_id(limit_param(DEFAULT_STATUSES_LIMIT), params_slice(:max_id, :since_id, :min_id))
  end

  def permitted_account_statuses
    @account.statuses.permitted_for(@account, current_account)
  end

  def only_media_scope
    Status.where(id: account_media_status_ids)
  end

  def account_media_status_ids
    # `SELECT DISTINCT id, updated_at` is too slow, so pluck ids at first, and then select id, updated_at with ids.
    # Also, Avoid getting slow by not narrowing down by `statuses.account_id`.
    # When narrowing down by `statuses.account_id`, `index_statuses_20180106` will be used
    # and the table will be joined by `Merge Semi Join`, so the query will be slow.
    @account.statuses.joins(:media_attachments).merge(@account.media_attachments).permitted_for(@account, current_account)
            .paginate_by_max_id(limit_param(DEFAULT_STATUSES_LIMIT), params[:max_id], params[:since_id])
            .reorder(id: :desc).distinct(:id).pluck(:id)
  end

  def pinned_scope
    @account.pinned_statuses
  end

  def no_replies_scope
    Status.without_replies
  end

  def no_reblogs_scope
    Status.without_reblogs
  end

  def hashtag_scope
    tag = Tag.find_normalized(params[:tagged])

    if tag
      return Status.none if !user_signed_in && (tag.local || tag.private) || tag.private && current_account.id != @account.id
      scope = tag.private ? current_account.statuses : tag.local ? Status.local : Status
      scope.tagged_with(tag.id)
    else
      Status.none
    end
  end

  def pagination_params(core_params)
    params.slice(:limit, :only_media, :exclude_replies).permit(:limit, :only_media, :exclude_replies).merge(core_params)
  end

  def insert_pagination_headers
    set_pagination_headers(next_path, prev_path)
  end

  def next_path
    if records_continue?
      api_v1_account_statuses_url pagination_params(max_id: pagination_max_id)
    end
  end

  def prev_path
    unless @statuses.empty?
      api_v1_account_statuses_url pagination_params(min_id: pagination_since_id)
    end
  end

  def records_continue?
    @statuses.size == limit_param(DEFAULT_STATUSES_LIMIT)
  end

  def pagination_max_id
    @statuses.last.id
  end

  def pagination_since_id
    @statuses.first.id
  end
end