Module: AASM::Persistence::MongoMapperPersistence::WriteState

Defined in:
lib/aasm/persistence/mongo_mapper_persistence.rb

Instance Method Summary collapse

Instance Method Details

#aasm_write_state(state) ⇒ Object

Writes state to the state column and persists it to the database using update_attribute (which bypasses validation)

foo = Foo.find(1)
foo.aasm_current_state # => :opened
foo.close!
foo.aasm_current_state # => :closed
Foo.find(1).aasm_current_state # => :closed

NOTE: intended to be called from an event



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# File 'lib/aasm/persistence/mongo_mapper_persistence.rb', line 177

def aasm_write_state(state)
  old_value = read_attribute(self.class.aasm_column)
  write_attribute(self.class.aasm_column, state.to_s)

  unless self.save(:validate => false)
    write_attribute(self.class.aasm_column, old_value)
    return false
  end

  true
end