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# frozen_string_literal: true
class ResolveMentionsService < BaseService
# Scan text for mentions and create local mention pointers
# @param [Status] status Status to attach to mention pointers
# @option [String] :text Text containing mentions to resolve (default: use status text)
# @option [Enumerable] :mentions Additional mentions to include
# @option [Boolean] :reveal_implicit_mentions Append implicit mentions to text
# @return [Array] Array containing text with mentions resolved (String) and mention pointers (Set)
def call(status, text: nil, mentions: [], reveal_implicit_mentions: true)
mentions = Mention.includes(:account).where(id: mentions.pluck(:id), accounts: { suspended_at: nil }).to_set
implicit_mention_acct_ids = mentions.pluck(:account_id).to_set
text = status.text if text.nil?
text.gsub(Account::MENTION_RE) do |match|
username, domain = Regexp.last_match(1).split('@')
domain = begin
if TagManager.instance.local_domain?(domain)
nil
else
TagManager.instance.normalize_domain(domain)
end
end
mentioned_account = Account.find_remote(username, domain)
if mention_undeliverable?(mentioned_account)
begin
mentioned_account = resolve_account_service.call(Regexp.last_match(1))
rescue Goldfinger::Error, HTTP::Error, OpenSSL::SSL::SSLError, Mastodon::UnexpectedResponseError
mentioned_account = nil
end
end
next match if mention_undeliverable?(mentioned_account) || mentioned_account&.suspended?
mentions << mentioned_account.mentions.where(status: status).first_or_create(status: status)
implicit_mention_acct_ids.delete(mentioned_account.id)
"@#{mentioned_account.acct}"
end
if reveal_implicit_mentions && implicit_mention_acct_ids.present?
implicit_mention_accts = Account.where(id: implicit_mention_acct_ids, suspended_at: nil)
formatted_accts = format_mentions(implicit_mention_accts)
formatted_accts = Formatter.instance.linkify(formatted_accts, implicit_mention_accts) unless status.local?
text << formatted_accts
end
[text, mentions]
end
private
def mention_undeliverable?(mentioned_account)
mentioned_account.nil? || (!mentioned_account.local? && mentioned_account.ostatus?)
end
def resolve_account_service
ResolveAccountService.new
end
def format_mentions(accounts)
"\n\n#{accounts_to_mentions(accounts).join(' ')}"
end
def accounts_to_mentions(accounts)
accounts.reorder(:username, :domain).pluck(:username, :domain).map do |username, domain|
domain.blank? ? "@#{username}" : "@#{username}@#{domain}"
end
end
end
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