Class: Basic::Service

Inherits:
Object
  • Object
show all
Defined in:
lib/basic_service.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Service

Returns a new instance of Service.



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# File 'lib/basic_service.rb', line 25

def initialize(*args)
  @args = args
  @success = false
  @error = false
  @pristine = false
end

Instance Attribute Details

#message ⇒ Object (readonly)

Returns the value of attribute message.



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# File 'lib/basic_service.rb', line 33

def message
  @message
end

#result ⇒ Object

Returns the value of attribute result.



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# File 'lib/basic_service.rb', line 32

def result
  @result
end

Class Method Details

.call(args) ⇒ Object 



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# File 'lib/basic_service.rb', line 5

def self.call(args)
  new(args).tap do |basic_service|
    basic_service.instance_eval do
      self.result = call
    end
  end
end

Instance Method Details

#call ⇒ Object

method error if call not defined

Raises:

  • (NoMethodError) 


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# File 'lib/basic_service.rb', line 44

def call
  raise NoMethodError, "Called undefined #call. You need to implement the method in the class: #{self.class.name}"
end

#error(str = '') ⇒ Object 



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# File 'lib/basic_service.rb', line 19

def error(str = '')
  @error = true
  @message = str
  @pristine = true
end

#success(str = '') ⇒ Object 



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# File 'lib/basic_service.rb', line 13

def success(str = '')
  @success = true
  @message = str
  @pristine = true
end

#success? ⇒ Boolean

Defaults to the boolean’ed result of “call”

Returns:

  • (Boolean)

Raises:

  • (RuntimeError) 


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# File 'lib/basic_service.rb', line 37

def success?
  raise RuntimeError, "#success or #error should be called inside #call" unless @pristine
  raise RuntimeError, "both #success and #error where called" if (@success && @error)
  @success && !@error
end