Class: Sequent::Core::Helpers::ValueValidators

Inherits:
Object
  • Object
show all
Defined in:
lib/sequent/core/helpers/value_validators.rb

Constant Summary collapse

INVALID_STRING_CHARS = 
[
  "\u0000",
].freeze
VALIDATORS = 
{
  ::Symbol => ->(_) { true },
  ::String => ->(value) { valid_string?(value) },
  ::Integer => ->(value) { valid_integer?(value) },
  ::Boolean => ->(value) { valid_bool?(value) },
  ::Date => ->(value) { valid_date?(value) },
  ::DateTime => ->(value) { valid_date_time?(value) },
}.freeze

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klass) ⇒ ValueValidators

Returns a new instance of ValueValidators.



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# File 'lib/sequent/core/helpers/value_validators.rb', line 68

def initialize(klass)
  @klass = klass
end

Class Method Details

.for(klass) ⇒ Object 



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# File 'lib/sequent/core/helpers/value_validators.rb', line 64

def self.for(klass)
  new(klass)
end

.valid_bool?(value) ⇒ Boolean

Returns:



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# File 'lib/sequent/core/helpers/value_validators.rb', line 28

def self.valid_bool?(value)
  return true if value.blank?

  value.is_a?(TrueClass) || value.is_a?(FalseClass) || value == 'true' || value == 'false'
end

.valid_date?(value) ⇒ Boolean

Returns:



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# File 'lib/sequent/core/helpers/value_validators.rb', line 34

def self.valid_date?(value)
  return true if value.blank?
  return true if value.is_a?(Date)
  return false unless value =~ /\d{4}-\d{2}-\d{2}/

  begin
    !!Date.iso8601(value)
  rescue StandardError
    false
  end
end

.valid_date_time?(value) ⇒ Boolean

Returns:



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# File 'lib/sequent/core/helpers/value_validators.rb', line 46

def self.valid_date_time?(value)
  return true if value.blank?

  begin
    value.is_a?(DateTime) || !!DateTime.iso8601(value.dup)
  rescue StandardError
    false
  end
end

.valid_integer?(value) ⇒ Boolean

Returns:



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# File 'lib/sequent/core/helpers/value_validators.rb', line 22

def self.valid_integer?(value)
  value.blank? || Integer(value)
rescue StandardError
  false
end

.valid_string?(value) ⇒ Boolean

Returns:



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# File 'lib/sequent/core/helpers/value_validators.rb', line 56

def self.valid_string?(value)
  return true if value.nil?

  value.to_s && INVALID_STRING_CHARS.none? { |invalid_char| value.to_s.include?(invalid_char) }
rescue StandardError
  false
end

Instance Method Details

#valid_value?(value) ⇒ Boolean

Returns:



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# File 'lib/sequent/core/helpers/value_validators.rb', line 72

def valid_value?(value)
  VALIDATORS[@klass].call(value)
end