Class: UseCase

Inherits:

Object

• Object
• UseCase

Defined in:

lib/keight/skeleton/app/model.rb

Overview

Usecase class in order to separate business logics from framework.

Instance Method Summary

• #initialize(db, login_user = nil) ⇒ UseCase constructor

  A new instance of UseCase.

• #run(params, *urlpath_params) ⇒ Object

Constructor Details

#initialize(db, login_user = nil) ⇒ UseCase

Returns a new instance of UseCase.

# File 'lib/keight/skeleton/app/model.rb', line 104

def initialize(db, login_user=nil)
  @db = db
  @login_user = login_user
end

Instance Method Details

#run(params, *urlpath_params) ⇒ Object

# File 'lib/keight/skeleton/app/model.rb', line 109

def run(params, *urlpath_params)
  errors = validate(params)
  return nil, errors if errors
  args = accommodate(params, *urlpath_params)
  model, error = execute(*args)
  return nil, error if error
  content = represent(model)
  return content, nil
end