discourse/lib/validators/string_setting_validator.rb

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# frozen_string_literal: true
class StringSettingValidator
include RegexSettingValidation
def initialize(opts = {})
@opts = opts
initialize_regex_opts(opts)
end
def valid_value?(val)
return true if !val.present?
if (@opts[:min] && @opts[:min].to_i > (val.length)) ||
(@opts[:max] && @opts[:max].to_i < (val.length))
@length_fail = true
return false
end
return valid_json?(val) if (@opts[:json_schema])
regex_match?(val)
end
def valid_json?(json)
# TODO: right now this is only ensuring JSON is valid
# but ideally we should validate against the schema
begin
JSON.parse(json)
rescue JSON::ParserError => e
@json_fail = true
return false
end
true
end
def error_message
if @regex_fail
I18n.t(@regex_error)
elsif @length_fail
if @opts[:min] && @opts[:max]
I18n.t("site_settings.errors.invalid_string_min_max", min: @opts[:min], max: @opts[:max])
elsif @opts[:min]
I18n.t("site_settings.errors.invalid_string_min", min: @opts[:min])
else
I18n.t("site_settings.errors.invalid_string_max", max: @opts[:max])
end
elsif @json_fail
I18n.t("site_settings.errors.invalid_json")
else
I18n.t("site_settings.errors.invalid_string")
end
end
end