Class: Serviz::Workflow

Inherits:
Base
  • Object
show all
Defined in:
lib/serviz/workflow.rb

Instance Attribute Summary

Attributes inherited from Base

#errors, #result

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

call, #error_messages, #failure?, #success?

Constructor Details

#initialize(*args, **kwargs) ⇒ Workflow

Returns a new instance of Workflow.



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# File 'lib/serviz/workflow.rb', line 15

def initialize(*args, **kwargs)
  @last_step = nil
  @args = args
  @kwargs = kwargs
end

Class Method Details

.step(service_class, params: nil, if: nil) ⇒ Object 



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# File 'lib/serviz/workflow.rb', line 3

def self.step(service_class, params: nil, if: nil)
  steps << {
    service_class: service_class,
    params: params,
    condition: binding.local_variable_get(:if)
  }
end

.steps ⇒ Object 



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# File 'lib/serviz/workflow.rb', line 11

def self.steps
  @steps ||= []
end

Instance Method Details

#call ⇒ Object 



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# File 'lib/serviz/workflow.rb', line 21

def call
  self.class.steps.each do |step_config|
    # Check if condition is provided and evaluate it
    if step_config[:condition] && !step_config[:condition].call(@last_step)
      next
    end

    # Determine parameters to use
    operation = if step_config[:params]
      # Use step-specific params
      step_params = if step_config[:params].is_a?(Proc)
                      step_config[:params].call(self)
                    else
                      step_config[:params]
                    end
      step_config[:service_class].call(**step_params)
    else
      # Use workflow args/kwargs
      step_config[:service_class].call(*@args, **@kwargs)
    end
    
    # Accumulate errors if the service failed
    if operation.failure?
      self.errors.concat(operation.errors)
    end

    # Update last result and overall result
    @last_step = operation
    self.result = operation.result
  end

  self
end