Class: Twterm::Repository::AbstractRepository

Inherits:
Object
  • Object
show all
Defined in:
lib/twterm/repository/abstract_repository.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ AbstractRepository

Returns a new instance of AbstractRepository.



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# File 'lib/twterm/repository/abstract_repository.rb', line 4

def initialize
  @repository = empty_repository

  @callbacks = {
    after_create: [],
    before_create: [],
  }
end

Instance Method Details

#after_create(&block) ⇒ Object 



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# File 'lib/twterm/repository/abstract_repository.rb', line 13

def after_create(&block)
  @callbacks[:after_create] << block
end

#before_create(&block) ⇒ Object 



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# File 'lib/twterm/repository/abstract_repository.rb', line 17

def before_create(&block)
  @callbacks[:before_create] << block
end

#create(*args) ⇒ Object 



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# File 'lib/twterm/repository/abstract_repository.rb', line 21

def create(*args)
  invoke_callbacks(:before_create, *args)

  existing_instance = find(extract_key(args))

  instance = existing_instance.nil? ? type.new(*args) : existing_instance

  store(instance) if existing_instance.nil?

  invoke_callbacks(:after_create, instance)

  instance
end

#find(_key) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/twterm/repository/abstract_repository.rb', line 35

def find(_key)
  raise NotImplementedError, '`find` must be implemented'
end

#type ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/twterm/repository/abstract_repository.rb', line 39

def type
  raise NotImplementedError, '`type` must be implemented'
end