mastodon/app/services/process_mentions_service.rb

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class ProcessMentionsService < BaseService
# Scan status for mentions and fetch remote mentioned users, create
# local mention pointers, send Salmon notifications to mentioned
# remote users
# @param [Status] status
def call(status)
return unless status.local?
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status.text.scan(Account::MENTION_RE).each do |match|
username, domain = match.first.split('@')
mentioned_account = Account.find_by(username: username, domain: domain)
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if mentioned_account.nil? && !domain.nil?
mentioned_account = follow_remote_account_service.("#{match.first}")
next if mentioned_account.nil?
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end
mentioned_account.mentions.where(status: status).first_or_create(status: status)
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end
status.mentioned_accounts.each do |mention|
mentioned_account = mention.account
if mentioned_account.local?
NotificationMailer.mention(mentioned_account, status).deliver_later
else
send_interaction_service.(status.stream_entry, mentioned_account)
end
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end
end
private
def follow_remote_account_service
@follow_remote_account_service ||= FollowRemoteAccountService.new
end
def send_interaction_service
@send_interaction_service ||= SendInteractionService.new
end
end