Class: DataMapper::Validate::AcceptanceValidator

Inherits:
GenericValidator show all
Defined in:
lib/dm-validations/validators/acceptance_validator.rb

Overview

Author:

  • Martin Kihlgren

Since:

  • 0.9

Instance Attribute Summary

Attributes inherited from GenericValidator

#field_name, #humanized_field_name, #if_clause, #options, #unless_clause

Instance Method Summary collapse

Methods inherited from GenericValidator

#==, #add_error, #execute?, #inspect

Constructor Details

#initialize(field_name, options = {}) ⇒ AcceptanceValidator

Returns a new instance of AcceptanceValidator.

Since:

  • 0.9



10
11
12
13
14
15
16
17
 
# File 'lib/dm-validations/validators/acceptance_validator.rb', line 10

def initialize(field_name, options = {})
  super

  # ||= true makes value true if it used to be false
  @options[:allow_nil] = true unless(options.include?(:allow_nil) && [false, nil, "false", "f"].include?(options[:allow_nil]))
  @options[:accept]    ||= ["1", 1, "true", true, "t"]
  @options[:accept] = Array(@options[:accept])
end

Instance Method Details

#call(target) ⇒ Object

Since:

  • 0.9



19
20
21
22
23
24
25
26
27
 
# File 'lib/dm-validations/validators/acceptance_validator.rb', line 19

def call(target)
  unless valid?(target)
    error_message = @options[:message] || ValidationErrors.default_error_message(:accepted, field_name)
    add_error(target, error_message, field_name)
    return false
  end

  return true
end

#valid?(target) ⇒ Boolean

Returns:

  • (Boolean)

Since:

  • 0.9



29
30
31
32
33
34
35
 
# File 'lib/dm-validations/validators/acceptance_validator.rb', line 29

def valid?(target)
  field_value = target.validation_property_value(field_name)
  # Allow empty values
  return true if @options[:allow_nil] && field_value.blank?

  @options[:accept].include?(field_value)
end