Class: PassiveModel::Base

Inherits:
Object
  • Object
show all
Extended by:
ActiveModel::Naming, ActiveModel::Translation
Includes:
ActiveModel::Conversion, ActiveModel::Validations, ActiveModel::Validations::Callbacks
Defined in:
lib/passive_model/base.rb

Overview

Class to be a parent class for all model-like classes where you need validations etc To be used for forms and to be mapped to each form independently Behaves like a active record model without the corresponding table Supports before_validation after_validation callbacks Supports before_save (gets run only if valid) - this is a custom implementation Supports passing the attributes .new and .attributes

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hash = {}) ⇒ Base

Returns a new instance of Base.



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# File 'lib/passive_model/base.rb', line 37

def initialize(hash = {})
  set_attributes(hash)
end

Class Method Details

.before_save(name) ⇒ Object 



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# File 'lib/passive_model/base.rb', line 18

def before_save(name)
  callback = name.to_sym

  before_save_callbacks << callback unless before_save_callbacks.include?(callback)
end

.inherited(subclass) ⇒ Object 



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# File 'lib/passive_model/base.rb', line 24

def inherited(subclass)
  super

  subclass.instance_variable_set(:@before_save_callbacks, before_save_callbacks.dup)
end

Instance Method Details

#attributes=(hash = {}) ⇒ Object 



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# File 'lib/passive_model/base.rb', line 41

def attributes=(hash = {})
  set_attributes(hash)
end

#persisted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/passive_model/base.rb', line 56

def persisted?
  @persisted || false
end

#save ⇒ Object 



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# File 'lib/passive_model/base.rb', line 45

def save
  return false unless self.valid?

  execute_callbacks(before_save_callbacks)
  true
end

#save! ⇒ Object

Raises:



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# File 'lib/passive_model/base.rb', line 52

def save!
  raise(PassiveModel::ValidationError.new(self)) unless self.save
end