Class: CleanArchitecture::UseCases::AbstractUseCase

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/clean_architecture/use_cases/abstract_use_case.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(params) ⇒ AbstractUseCase

Returns a new instance of AbstractUseCase.



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# File 'lib/clean_architecture/use_cases/abstract_use_case.rb', line 35

def initialize(params)
  @params = params
end

Class Method Details

.contract(base_contract = Contract) ⇒ Object 



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# File 'lib/clean_architecture/use_cases/abstract_use_case.rb', line 19

def self.contract(base_contract = Contract)
  @contract ||= begin
    Class.new(base_contract, &Proc.new)
  end
end

.parameters(params) ⇒ Object 



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# File 'lib/clean_architecture/use_cases/abstract_use_case.rb', line 25

def self.parameters(params)
  raise 'You must define a contract first' if @contract.nil?

  context = params.fetch(:context, {})
  Parameters.new(
    context,
    contract.new(context).call(params)
  )
end

Instance Method Details

#result ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/clean_architecture/use_cases/abstract_use_case.rb', line 39

def result
  raise NotImplementedError
end