Module: Lite::Service::Command

Defined in:
lib/lite/service/command.rb

Defined Under Namespace

Modules: ClassMethods

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#result ⇒ Object (readonly)

Returns the value of attribute result.



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# File 'lib/lite/service/command.rb', line 24

def result
  @result
end

Class Method Details

.prepended(base) ⇒ Object 



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# File 'lib/lite/service/command.rb', line 26

def self.prepended(base)
  base.extend(ClassMethods)
end

Instance Method Details

#cache ⇒ Object 



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# File 'lib/lite/service/command.rb', line 38

def cache
  @cache ||= Lite::Memoize::Instance.new
end

#call ⇒ Object

Raises:



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# File 'lib/lite/service/command.rb', line 30

def call
  raise Lite::Service::NotImplementedError unless defined?(super)
  return @result if called?

  @called = true
  @result = super
end

#called? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lite/service/command.rb', line 42

def called?
  @called ||= false
end

#errored? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lite/service/command.rb', line 50

def errored?
  !errors.empty?
end

#errors ⇒ Object 



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# File 'lib/lite/service/command.rb', line 46

def errors
  @errors ||= Lite::Errors::Messages.new
end

#fail! ⇒ Object

Raises:



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# File 'lib/lite/service/command.rb', line 54

def fail!
  raise Lite::Service::ValidationError
end

#failure? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lite/service/command.rb', line 58

def failure?
  called? && errored?
end

#recall! ⇒ Object 



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# File 'lib/lite/service/command.rb', line 62

def recall!
  @called = false
  [cache, errors].each(&:clear)
  call
end

#result! ⇒ Object 



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# File 'lib/lite/service/command.rb', line 68

def result!
  result if valid?
end

#success? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/lite/service/command.rb', line 72

def success?
  called? && !errored?
end

#validate! ⇒ Object Also known as: valid? 



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# File 'lib/lite/service/command.rb', line 76

def validate!
  return true if success?

  fail!
end