class PureValidator::Validators::LengthValidator
Attributes
errors[RW]
object[RW]
options[RW]
Public Class Methods
new(object, options)
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# File lib/pure_validator/validators/length_validator.rb, line 17 def initialize(object, options) @object, @options = object, options @errors = [] end
validate(object, options)
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Validates that given object has correct length @param object [#length] object to validate @param options [Hash] validation options, e.g. { min: 2, max: 4, equal_to: 3, not_equal_to: 6 } @return [Array] empty array if object is valid, array of error messages otherwise
# File lib/pure_validator/validators/length_validator.rb, line 7 def self.validate(object, options) self.new(object, options).validate end
validate_options(options)
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# File lib/pure_validator/validators/length_validator.rb, line 11 def self.validate_options(options) PureValidator::ArgsValidator.is_hash!(options, :validation_rule) PureValidator::ArgsValidator.has_only_allowed_keys!(options, [:min, :max, :equal_to, :not_equal_to], :validation_rule) end
Public Instance Methods
add_error!(key, length)
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# File lib/pure_validator/validators/length_validator.rb, line 40 def add_error!(key, length) errors << PureValidator::I18n.t(key, length: length) end
handle(key, condition, error_key)
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# File lib/pure_validator/validators/length_validator.rb, line 33 def handle(key, condition, error_key) return unless options[key] if object.length.send(condition, options[key]) add_error!(error_key, options[key]) end end
validate()
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# File lib/pure_validator/validators/length_validator.rb, line 22 def validate return errors if object.nil? handle(:min, :<, 'errors.can_not_be_less_than') handle(:max, :>, 'errors.can_not_be_more_than') handle(:equal_to, :!=, 'errors.should_be_equal_to') handle(:not_equal_to, :==, 'errors.should_not_be_equal_to') errors end