app/policies/status_policy.rb


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

# frozen_string_literal: true

class StatusPolicy < ApplicationPolicy
  def initialize(current_account, record, preloaded_relations = {})
    super(current_account, record)

    @preloaded_relations = preloaded_relations
  end

  def index?
    staff?
  end

  def show?
    return false if author.suspended?

    if requires_mention?
      owned? || mention_exists?
    elsif private?
      owned? || following_author? || mention_exists?
    else
      current_account.nil? || (!author_blocking? && !author_blocking_domain?)
    end
  end

  def reblog?
    !requires_mention? && (!private? || owned?) && show? && !blocking_author?
  end

  def favourite?
    show? && !blocking_author?
  end

  def destroy?
    staff? || owned?
  end

  alias unreblog? destroy?

  def update?
    staff? || owned?
  end

  def review?
    staff?
  end

  private

  def requires_mention?
    record.direct_visibility? || record.limited_visibility?
  end

  def owned?
    author.id == current_account&.id
  end

  def private?
    record.private_visibility?
  end

  def mention_exists?
    return false if current_account.nil?

    if record.mentions.loaded?
      record.mentions.any? { |mention| mention.account_id == current_account.id }
    else
      record.mentions.where(account: current_account).exists?
    end
  end

  def author_blocking_domain?
    return false if current_account.nil? || current_account.domain.nil?

    author.domain_blocking?(current_account.domain)
  end

  def blocking_author?
    return false if current_account.nil?

    @preloaded_relations[:blocking] ? @preloaded_relations[:blocking][author.id] : current_account.blocking?(author)
  end

  def author_blocking?
    return false if current_account.nil?

    @preloaded_relations[:blocked_by] ? @preloaded_relations[:blocked_by][author.id] : author.blocking?(current_account)
  end

  def following_author?
    return false if current_account.nil?

    @preloaded_relations[:following] ? @preloaded_relations[:following][author.id] : current_account.following?(author)
  end

  def author
    record.account
  end
end