Class: ActiveModelService::Call

Inherits:
Object
  • Object
show all
Includes:
ActiveModel::AttributeAssignment, ActiveModel::Validations
Defined in:
lib/active_model_service.rb

Defined Under Namespace

Classes: ValueError

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/active_model_service.rb', line 15

def result
  @result
end

#valid ⇒ Object (readonly)

Returns the value of attribute valid.



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# File 'lib/active_model_service.rb', line 15

def valid
  @valid
end

Class Method Details

.call(attributes = {}) ⇒ Object 



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# File 'lib/active_model_service.rb', line 27

def self.call(attributes = {})
  new.tap do |instance|
    attributes.each do |k, v|
      raise Error, "Attribute #{k} is a reserve word!" if %i[result error valid call].include?(k.to_sym)

      unless instance.methods.include?(k.to_sym)
        raise Error, "Attribute is not defined! Add `attr :#{k}` in #{instance.class}"
      end

      instance.instance_variable_set("@#{k}".to_sym, v)
    end
    instance._call
  end
end

Instance Method Details

#_call ⇒ Object 



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# File 'lib/active_model_service.rb', line 17

def _call
  @result = call if send(:run_validations!)
rescue Error => e
  puts e.message
end

#add_error(message) ⇒ Object

Add error to :base once

Raises:



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# File 'lib/active_model_service.rb', line 43

def add_error(message)
  errors.add(:base, message)
  raise Error, message
end

#valid?(_ = nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_model_service.rb', line 23

def valid?(_ = nil)
  @valid = errors.empty?
end