Module: SolidCallback::Core

Defined in:
lib/solid_callback/core.rb

Instance Method Summary collapse

Instance Method Details

#callback_applicable?(callback, method_name, instance) ⇒ Boolean

Check if a callback should be run for a method

Returns:

  • (Boolean) 


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# File 'lib/solid_callback/core.rb', line 31

def callback_applicable?(callback, method_name, instance)
  # Check only/except constraints
  return false if callback[:except].include?(method_name)
  return false unless callback[:only] == [:all] || callback[:only].include?(method_name)

  # Check conditional constraints
  if callback[:if]
    condition = callback[:if]
    return false unless evaluate_condition(condition, instance)
  end

  if callback[:unless]
    condition = callback[:unless]
    return false if evaluate_condition(condition, instance)
  end

  true
end

#callbacks_for(type) ⇒ Object

Get all callbacks of a specific type



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# File 'lib/solid_callback/core.rb', line 4

def callbacks_for(type)
  @_solid_callback_store ||= { before: {}, after: {}, around: {} }
  @_solid_callback_store[type]
end

#evaluate_condition(condition, instance) ⇒ Object

Evaluate a condition (symbol method name, proc, or lambda)



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# File 'lib/solid_callback/core.rb', line 51

def evaluate_condition(condition, instance)
  case condition
  when Symbol, String
    instance.send(condition)
  when Proc
    instance.instance_exec(&condition)
  else
    true
  end
end

#handle_method_added(method_name) ⇒ Object

Handle method_added hook



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# File 'lib/solid_callback/core.rb', line 63

def handle_method_added(method_name)
  # Skip if we're in the process of defining a wrapped method
  return if @_solid_callback_wrapping_method

  # Skip special methods and private/protected methods
  return if method_name.to_s.start_with?('_solid_callback_')
  return if private_method_defined?(method_name) || protected_method_defined?(method_name)

  wrap_method_with_callbacks(method_name)
end

#register_callback(type, callback_method, options = {}) ⇒ Object

Register a callback



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# File 'lib/solid_callback/core.rb', line 10

def register_callback(type, callback_method, options = {})
  # Make sure callback store exists
  @_solid_callback_store ||= { before: {}, after: {}, around: {} }

  # Normalize options
  only = Array(options[:only] || :all)
  except = Array(options[:except] || [])
  if_condition = options[:if]
  unless_condition = options[:unless]

  # Store the callback information
  @_solid_callback_store[type][callback_method] = {
    method: callback_method,
    only: only,
    except: except,
    if: if_condition,
    unless: unless_condition
  }
end

#wrap_method_with_callbacks(method_name) ⇒ Object

Wrap a method with callbacks



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# File 'lib/solid_callback/core.rb', line 75

def wrap_method_with_callbacks(method_name)
  return unless instance_methods(false).include?(method_name)

  @_solid_callback_wrapping_method = true

  # Create a reference to the original method
  alias_method "_solid_callback_original_#{method_name}", method_name

  # Redefine the method with callbacks
  define_method(method_name) do |*args, &block|
    run_callbacks(:before, method_name)

    # Execute around callbacks or the original method
    result = run_around_callbacks(method_name, args, block)

    run_callbacks(:after, method_name)

    result
  end

  @_solid_callback_wrapping_method = false
end