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mastodon/app/validators/existing_username_validator.rb

42 lines
1.1 KiB
Ruby

# frozen_string_literal: true
class ExistingUsernameValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
@value = value
return if @value.blank?
if options[:multiple]
record.errors.add(attribute, not_found_multiple_message) if usernames_with_no_accounts.any?
elsif usernames_with_no_accounts.any? || usernames_and_domains.size > 1
record.errors.add(attribute, not_found_message)
end
end
private
def usernames_and_domains
@value.split(',').filter_map do |string|
username, domain = string.strip.gsub(/\A@/, '').split('@', 2)
domain = nil if TagManager.instance.local_domain?(domain)
next if username.blank?
[string, username, domain]
end
end
def usernames_with_no_accounts
usernames_and_domains.filter_map do |(string, username, domain)|
string unless Account.find_remote(username, domain)
end
end
def not_found_multiple_message
I18n.t('existing_username_validator.not_found_multiple', usernames: usernames_with_no_accounts.join(', '))
end
def not_found_message
I18n.t('existing_username_validator.not_found')
end
end