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Contents
module CallbackHelpers
def after(action_name, wrap_in_action: false, &action)
ensure_callbacks_variables_for_action(action_name)
if get(:executed_actions).include?(action_name)
instance_exec(&wrap_action(action, wrap_in_action))
else
add_callback(action_name, :after, wrap_action(action, wrap_in_action))
end
end
def before(action_name, wrap_in_action: false, &action)
ensure_callbacks_variables_for_action(action_name)
add_callback(action_name, :before, wrap_action(action, wrap_in_action))
end
def run_action(action_name, &action)
ensure_callbacks_variables_for_action(action_name)
callbacks = get(:callbacks)[action_name]
callbacks[:before].each { |callback| instance_exec(&callback) }
instance_exec(&action)
get(:executed_actions) << action_name
callbacks[:after].each { |callback| instance_exec(&callback) }
end
private
def add_callback(action_name, type, action)
get(:callbacks)[action_name][type] << action
end
def wrap_action(action, wrap_in_action)
return action unless wrap_in_action
-> { run_action(wrap_in_action, &action) }
end
def ensure_callbacks_variables_for_action(action_name)
ensure_variable(:callbacks, {})
ensure_variable(:executed_actions, [])
get(:callbacks)[action_name] ||= { before: [], after: [] }
end
end
Version data entries
25 entries across 25 versions & 1 rubygems