Module: Bodhi::Validations

Included in:
Context, Profile, ResourceBatch, Simulation::NormalDistribution, Simulation::NormalDistributionCurve, SimulationFrame, Simulator, Type, TypeIndex, User
Defined in:
lib/bodhi-slam/validations.rb

Defined Under Namespace

Modules: ClassMethods

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/bodhi-slam/validations.rb', line 135

def self.included(base)
  base.extend(ClassMethods)
  base.instance_variable_set(:@validators, Hash.new)
end

Instance Method Details

#errors ⇒ Object

Returns a Bodhi::Errors object that holds all information about attribute error messages.

class User
  include Bodhi::Validations

  attr_accessor :name
  validates :name, required: true
end

user = User.new
user.valid? # => false
user.errors # => #<Bodhi::Errors:0x007fbff403e808 @messages={name:["is required"]}>



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# File 'lib/bodhi-slam/validations.rb', line 79

def errors
  @errors ||= Bodhi::Errors.new
end

#invalid? ⇒ Boolean

Runs all validations and returns false if no errors are present otherwise true.

Returns:

  • (Boolean) 


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# File 'lib/bodhi-slam/validations.rb', line 131

def invalid?
  !valid?
end

#valid? ⇒ Boolean

Runs all validations and returns true if no errors are present otherwise false.

class User
  include Bodhi::Validations

  attr_accessor :name
  validates :name, required: true
end

user = User.new
user.valid? # => false
user.errors.full_messages # => ["name is required"]

user.name = "Bob"
user.valid? # => true
user.errors.full_messages # => []

Returns:

  • (Boolean) 


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# File 'lib/bodhi-slam/validations.rb', line 125

def valid?
  validate!
  !errors.messages.any?
end

#validate! ⇒ Object

Runs all class validations on object and adds any errors to the Bodhi::Errors object

class User
  include Bodhi::Validations

  attr_accessor :name
  validates :name, required: true
end

user = User.new
user.validate! # => nil
user.errors.full_messages # => ["name is required"]

user.name = "Bob"
user.validate! # => nil
user.errors.full_messages # => []



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# File 'lib/bodhi-slam/validations.rb', line 99

def validate!
  errors.clear
  self.class.validators.each_pair do |attribute, array|
    value = self.send(attribute)
    array.each do |validator|
      validator.validate(self, attribute, value)
    end
  end
end