class CsvValidator
Public Instance Methods
validate_each(record, attribute, value)
click to toggle source
# File lib/active_validation/validators/csv_validator.rb, line 22 def validate_each(record, attribute, value) assert_valid_options! values = parse_values(record, attribute, value) if values.nil? record.errors.add(attribute, 'not a valid csv') return end options.slice(*CHECKS.keys).each do |option, option_value| option_value = option_value.call(record) if option_value.is_a?(Proc) next unless values.any? { |val| !valid_size?(val, option, option_value) } error_text = filtered_options(values).merge!(detect_error_options(option_value)) error_text = options[:message] || I18n.t("active_validation.errors.messages.csv.#{option}", error_text) record.errors[attribute] << (options[:message] || error_text) end end
Private Instance Methods
assert_valid_options!()
click to toggle source
# File lib/active_validation/validators/csv_validator.rb, line 45 def assert_valid_options! unless (CHECKS.keys & options.keys).present? raise ArgumentError, "You must at least pass in one of these options - #{CHECKS.map(&:inspect).join(', ')}" end check_options(Numeric, options.slice(*(CHECKS.keys - %i[columns_in rows_in]))) check_options(Range, options.slice(:columns_in, :rows_in)) end
check_options(klass, options)
click to toggle source
# File lib/active_validation/validators/csv_validator.rb, line 75 def check_options(klass, options) options.each do |option, value| next if value.is_a?(klass) || value.is_a?(Proc) raise ArgumentError, ":#{option} must be a #{klass.name.to_s.downcase} or a proc" end end
detect_error_options(option_value)
click to toggle source
# File lib/active_validation/validators/csv_validator.rb, line 99 def detect_error_options(option_value) return { count: option_value } unless option_value.is_a?(Range) { min: option_value.min, max: option_value.max } end
filtered_options(value)
click to toggle source
# File lib/active_validation/validators/csv_validator.rb, line 93 def filtered_options(value) filtered = options.except(*CHECKS.keys) filtered[:value] = value filtered end
parse_values(record, attribute, value)
click to toggle source
rubocop:enable Lint/RescueException
# File lib/active_validation/validators/csv_validator.rb, line 65 def parse_values(record, attribute, value) return nil unless valid_extension?(record, attribute, value) [CSV.read(value.path)] rescue CSV::MalformedCSVError record.errors[attribute] << (options[:message] || I18n.t('active_validation.errors.messages.csv.not_valid')) nil end
valid_extension?(record, attribute, value)
click to toggle source
rubocop:disable Lint/RescueException
# File lib/active_validation/validators/csv_validator.rb, line 56 def valid_extension?(record, attribute, value) value.path.end_with?('.csv') rescue Exception record.errors[attribute] << (options[:message] || I18n.t('active_validation.errors.messages.csv.not_valid')) false end
valid_size?(value, option, option_value)
click to toggle source
# File lib/active_validation/validators/csv_validator.rb, line 84 def valid_size?(value, option, option_value) size = /columns/.match?(option) ? value.first.length : value.length return false if size.zero? return option_value.send(CHECKS[option], size) if option_value.is_a?(Range) size.send(CHECKS[option], option_value) end