29 lines
		
	
	
		
			1002 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			29 lines
		
	
	
		
			1002 B
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # frozen_string_literal: true
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| 
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| class ExistingUsernameValidator < ActiveModel::EachValidator
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|   def validate_each(record, attribute, value)
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|     return if value.blank?
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| 
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|     usernames_and_domains = begin
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|       value.split(',').map do |str|
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|         username, domain = str.strip.gsub(/\A@/, '').split('@')
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|         domain = nil if TagManager.instance.local_domain?(domain)
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| 
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|         next if username.blank?
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| 
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|         [str, username, domain]
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|       end.compact
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|     end
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| 
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|     usernames_with_no_accounts = usernames_and_domains.filter_map do |(str, username, domain)|
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|       str unless Account.find_remote(username, domain)
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|     end
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| 
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|     if options[:multiple]
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|       record.errors.add(attribute, I18n.t('existing_username_validator.not_found_multiple', usernames: usernames_with_no_accounts.join(', '))) if usernames_with_no_accounts.any?
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|     else
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|       record.errors.add(attribute, I18n.t('existing_username_validator.not_found')) if usernames_with_no_accounts.any? || usernames_and_domains.size > 1
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|     end
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|   end
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| end
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