discourse/lib/validators/max_username_length_validat...

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# frozen_string_literal: true
class MaxUsernameLengthValidator
MAX_USERNAME_LENGTH_RANGE = 8..60
def initialize(opts = {})
@opts = opts
end
def valid_value?(value)
if !MAX_USERNAME_LENGTH_RANGE.cover?(value)
@max_range_violation = true
return false
end
return false if value < SiteSetting.min_username_length
@username = User.where("length(username) > ?", value).pick(:username)
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@username.blank?
end
def error_message
if @max_range_violation
I18n.t(
"site_settings.errors.invalid_integer_min_max",
min: MAX_USERNAME_LENGTH_RANGE.begin,
max: MAX_USERNAME_LENGTH_RANGE.end,
)
elsif @username.blank?
I18n.t("site_settings.errors.max_username_length_range")
else
I18n.t("site_settings.errors.max_username_length_exists", username: @username)
end
end
end