Module: Actionizer

Defined in:
lib/actionizer.rb,
lib/actionizer/inputs.rb,
lib/actionizer/result.rb,
lib/actionizer/failure.rb,
lib/actionizer/version.rb

Defined Under Namespace

Modules: ClassMethods Classes: Failure, Inputs, Result

Constant Summary collapse

VERSION = 
'0.8.0'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *args, &block) ⇒ Object

Allows you to call *_or_fail



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# File 'lib/actionizer.rb', line 75

def method_missing(method_name, *args, &block)
  return super if !method_name.to_s.end_with?('_or_fail')

  action_class, *params = args
  underlying_method = method_name.to_s.chomp('_or_fail')

  if !action_class.respond_to?(underlying_method)
    raise ArgumentError, "#{action_class.name} must define ##{underlying_method}"
  end

  result = action_class.send(underlying_method, *params)

  verify_result_is_conforming!(result, "#{action_class.name}##{underlying_method}")

  errors = result.to_h.select { |key, _value| key.to_s.start_with?('error') }
  fail!(errors) if result.failure?

  result
end

Instance Attribute Details

#input ⇒ Object (readonly)

Returns the value of attribute input.



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# File 'lib/actionizer.rb', line 8

def input
  @input
end

#output ⇒ Object (readonly)

Returns the value of attribute output.



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# File 'lib/actionizer.rb', line 8

def output
  @output
end

Class Method Details

.included(base) ⇒ Object 



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# File 'lib/actionizer.rb', line 10

def self.included(base)
  base.extend(ClassMethods)
end

Instance Method Details

#fail!(params = {}) ⇒ Object

Raises:



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# File 'lib/actionizer.rb', line 66

def fail!(params = {})
  params.each_pair { |key, value| output[key] = value }

  output.fail

  raise Actionizer::Failure.new('Failed!', output)
end

#initialize(initial_input = {}) ⇒ Object 



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# File 'lib/actionizer.rb', line 61

def initialize(initial_input = {})
  @input = OpenStruct.new(initial_input)
  @output = Actionizer::Result.new
end

#respond_to_missing?(method_name, _include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/actionizer.rb', line 95

def respond_to_missing?(method_name, _include_private = false)
  method_name.to_s.end_with?('_or_fail')
end