Exception: Takagi::Errors::ControllerNotFoundError

Inherits:
TakagiError
  • Object
show all
Defined in:
lib/takagi/errors.rb

Overview

Raised when a reactor can’t find its expected controller

Instance Attribute Summary

Attributes inherited from TakagiError

#context, #suggestions

Class Method Summary collapse

Methods inherited from TakagiError

#initialize

Constructor Details

This class inherits a constructor from Takagi::Errors::TakagiError

Class Method Details

.missing_controller(reactor_class, controller_name, available_controllers) ⇒ Object 



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# File 'lib/takagi/errors.rb', line 49

def self.missing_controller(reactor_class, controller_name, available_controllers)
  similar = RegistryError.find_similar(
    controller_name.to_s,
    available_controllers.map(&:to_s)
  )

  suggestions = []
  if similar.any?
    suggestions << "Did you mean #{similar.first}?"
  end
  suggestions.concat([
    "Define #{controller_name} in your application",
    "Or use explicit config: configure { threads 4 }",
    "Or rename reactor to match an existing controller: #{available_controllers.first}"
  ])

  new(
    "#{reactor_class} expected to find #{controller_name} but it doesn't exist",
    context: {
      reactor: reactor_class.name,
      expected_controller: controller_name,
      available_controllers: available_controllers.empty? ? "(none defined)" : available_controllers.inspect,
      pattern: "Reactors auto-inherit from matching controllers by naming convention"
    },
    suggestions: suggestions
  )
end