discourse/app/services/username_checker_service.rb

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class UsernameCheckerService
def initialize(allow_reserved_username: false)
@allow_reserved_username = allow_reserved_username
end
def check_username(username, email)
if username && username.length > 0
validator = UsernameValidator.new(username)
if !validator.valid_format?
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{ errors: validator.errors }
else
check_username_availability(username, email)
end
end
end
def check_username_availability(username, email)
available = User.username_available?(
username,
email,
allow_reserved_username: @allow_reserved_username
)
if available
{ available: true, is_developer: is_developer?(email) }
else
{ available: false, suggestion: UserNameSuggester.suggest(username) }
end
end
def is_developer?(value)
Rails.configuration.respond_to?(:developer_emails) && Rails.configuration.developer_emails.include?(value)
end
def self.is_developer?(email)
UsernameCheckerService.new.is_developer?(email)
end
end