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
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
# frozen_string_literal: true
class FanOutOnWriteService < BaseService
include Redisable
# Push a status into home and mentions feeds
# @param [Status] status
# @param [Hash] options
# @option options [Boolean] update
# @option options [Array<Integer>] silenced_account_ids
def call(status, options = {})
@status = status
@account = status.account
@options = options
check_race_condition!
fan_out_to_local_recipients!
fan_out_to_public_streams! if broadcastable?
end
private
def check_race_condition!
# I don't know why but at some point we had an issue where
# this service was being executed with status objects
# that had a null visibility - which should not be possible
# since the column in the database is not nullable.
#
# This check re-queues the service to be run at a later time
# with the full object, if something like it occurs
raise Mastodon::RaceConditionError if @status.visibility.nil?
end
def fan_out_to_local_recipients!
deliver_to_self!
notify_mentioned_accounts!
notify_about_update! if update?
case @status.visibility.to_sym
when :public, :unlisted, :private
deliver_to_all_followers!
deliver_to_lists!
when :limited
deliver_to_mentioned_followers!
else
deliver_to_mentioned_followers!
deliver_to_conversation!
end
end
def fan_out_to_public_streams!
broadcast_to_hashtag_streams!
broadcast_to_public_streams!
end
def deliver_to_self!
FeedManager.instance.push_to_home(@account, @status, update: update?) if @account.local?
end
def notify_mentioned_accounts!
@status.active_mentions.where.not(id: @options[:silenced_account_ids] || []).joins(:account).merge(Account.local).select(:id, :account_id).reorder(nil).find_in_batches do |mentions|
LocalNotificationWorker.push_bulk(mentions) do |mention|
[mention.account_id, mention.id, 'Mention', 'mention']
end
end
end
def notify_about_update!
@status.reblogged_by_accounts.merge(Account.local).select(:id).reorder(nil).find_in_batches do |accounts|
LocalNotificationWorker.push_bulk(accounts) do |account|
[account.id, @status.id, 'Status', 'update']
end
end
end
def deliver_to_all_followers!
@account.followers_for_local_distribution.select(:id).reorder(nil).find_in_batches do |followers|
FeedInsertWorker.push_bulk(followers) do |follower|
[@status.id, follower.id, 'home', { 'update' => update? }]
end
end
end
def deliver_to_lists!
@account.lists_for_local_distribution.select(:id).reorder(nil).find_in_batches do |lists|
FeedInsertWorker.push_bulk(lists) do |list|
[@status.id, list.id, 'list', { 'update' => update? }]
end
end
end
def deliver_to_mentioned_followers!
@status.mentions.joins(:account).merge(@account.followers_for_local_distribution).select(:id, :account_id).reorder(nil).find_in_batches do |mentions|
FeedInsertWorker.push_bulk(mentions) do |mention|
[@status.id, mention.account_id, 'home', { 'update' => update? }]
end
end
end
def broadcast_to_hashtag_streams!
@status.tags.pluck(:name).each do |hashtag|
redis.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}", anonymous_payload)
redis.publish("timeline:hashtag:#{hashtag.mb_chars.downcase}:local", anonymous_payload) if @status.local?
end
end
def broadcast_to_public_streams!
return if @status.reply? && @status.in_reply_to_account_id != @account.id
redis.publish('timeline:public', anonymous_payload)
redis.publish(@status.local? ? 'timeline:public:local' : 'timeline:public:remote', anonymous_payload)
if @status.with_media?
redis.publish('timeline:public:media', anonymous_payload)
redis.publish(@status.local? ? 'timeline:public:local:media' : 'timeline:public:remote:media', anonymous_payload)
end
end
def deliver_to_conversation!
AccountConversation.add_status(@account, @status) unless update?
end
def anonymous_payload
@anonymous_payload ||= Oj.dump(
event: update? ? :'status.update' : :update,
payload: InlineRenderer.render(@status, nil, :status)
)
end
def update?
@options[:update]
end
def broadcastable?
@status.public_visibility? && !@status.reblog? && !@account.silenced?
end
end
|
