app/models/public_feed.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

# frozen_string_literal: true

class PublicFeed
  # @param [Account] account
  # @param [Hash] options
  # @option [Boolean] :with_replies
  # @option [Boolean] :with_reblogs
  # @option [Boolean] :local
  # @option [Boolean] :remote
  # @option [Boolean] :only_media
  def initialize(account, options = {})
    @account = account
    @options = options
  end

  # @param [Integer] limit
  # @param [Integer] max_id
  # @param [Integer] since_id
  # @param [Integer] min_id
  # @return [Array<Status>]
  def get(limit, max_id = nil, since_id = nil, min_id = nil)
    scope = public_scope

    scope.merge!(without_replies_scope) unless with_replies?
    scope.merge!(without_reblogs_scope) unless with_reblogs?
    scope.merge!(local_only_scope) if local_only?
    scope.merge!(remote_only_scope) if remote_only?
    scope.merge!(account_filters_scope) if account?
    scope.merge!(media_only_scope) if media_only?

    scope.cache_ids.to_a_paginated_by_id(limit, max_id: max_id, since_id: since_id, min_id: min_id)
  end

  private

  attr_reader :account, :options

  def with_reblogs?
    options[:with_reblogs]
  end

  def with_replies?
    options[:with_replies]
  end

  def local_only?
    options[:local]
  end

  def remote_only?
    options[:remote]
  end

  def account?
    account.present?
  end

  def media_only?
    options[:only_media]
  end

  def public_scope
    Status.with_public_visibility.joins(:account).merge(Account.without_suspended.without_silenced)
  end

  def local_only_scope
    Status.local
  end

  def remote_only_scope
    Status.remote
  end

  def without_replies_scope
    Status.without_replies
  end

  def without_reblogs_scope
    Status.without_reblogs
  end

  def media_only_scope
    Status.joins(:media_attachments).group(:id)
  end

  def account_filters_scope
    Status.not_excluded_by_account(account).tap do |scope|
      scope.merge!(Status.not_domain_blocked_by_account(account)) unless local_only?
      scope.merge!(Status.in_chosen_languages(account)) if account.chosen_languages.present?
    end
  end
end