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