Module: MemoryModel::Base::Actionable

Extended by:
ActiveSupport::Concern
Included in:
MemoryModel::Base
Defined in:
lib/memory_model/base/actionable.rb

Defined Under Namespace

Modules: ClassMethods

Constant Summary collapse

VALID_IVARS = 
[
  :@deleted,
  :@attributes,
  :@timestamp,
  :@version
]

Instance Method Summary collapse

Instance Method Details

#commit ⇒ Object 



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# File 'lib/memory_model/base/actionable.rb', line 19

def commit
  @timestamp = Time.now
  @version   = SecureRandom.hex(6)
  self.class.insert self
  self
end

#deep_dup ⇒ Object 



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# File 'lib/memory_model/base/actionable.rb', line 50

def deep_dup
  Marshal.load Marshal.dump self
end

#delete ⇒ Object 



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# File 'lib/memory_model/base/actionable.rb', line 26

def delete
  @deleted = true
  commit
  freeze
end

#deleted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/memory_model/base/actionable.rb', line 32

def deleted?
  !!@deleted
end

#deleted_at ⇒ Object 



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# File 'lib/memory_model/base/actionable.rb', line 36

def deleted_at
  deleted? ? @timestamp : nil
end

#destroy ⇒ Object 



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# File 'lib/memory_model/base/actionable.rb', line 40

def destroy
  run_callbacks :destroy do
    delete
  end
end

#dup ⇒ Object 



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# File 'lib/memory_model/base/actionable.rb', line 46

def dup
  deep_dup
end

#freeze ⇒ Object 



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# File 'lib/memory_model/base/actionable.rb', line 54

def freeze
  instance_variables.reject { |ivar| ivar.in? VALID_IVARS }.each do |ivar|
    remove_instance_variable ivar if instance_variable_defined?(ivar)
  end
  instance_variables.each { |ivar| instance_variable_get(ivar).freeze }
  deep_freeze
  super
end

#restore ⇒ Object 



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# File 'lib/memory_model/base/actionable.rb', line 72

def restore
  instance = frozen? ? self.dup : self
  instance.instance_variable_set :@deleted, false
  instance.save
  instance
end

#save ⇒ Object 



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# File 'lib/memory_model/base/actionable.rb', line 63

def save
  callback = persisted? ? :update : :create
  run_callbacks callback do
    run_callbacks :save do
      commit
    end
  end
end