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Contents
module Volt
class ControllerHandler
attr_reader :controller, :action
def initialize(controller, action)
@controller = controller
@action = action.to_sym if action
end
def call_action(stage_prefix = nil, stage_suffix = nil)
return unless @action
has_stage = stage_prefix || stage_suffix
if has_stage
method_name = @action
method_name = "#{stage_prefix}_#{method_name}" if stage_prefix
method_name = "#{method_name}_#{stage_suffix}" if stage_suffix
method_name = method_name.to_sym
else
method_name = @action
end
# If no stage, then we are calling the main action method,
# so we should call the before/after actions
unless has_stage
if @controller.run_actions(:before, @action)
# stop_chain was called
return true
end
end
@controller.send(method_name) if @controller.respond_to?(method_name)
@controller.run_actions(:after, @action) unless has_stage
# before_action chain was not stopped
false
end
# Fetch the controller class
def self.get_controller_and_action(controller_path)
fail "Invalid controller path: #{controller_path.inspect}" unless controller_path && controller_path.size > 0
action = controller_path[-1]
# Get the constant parts
parts = controller_path[0..-2].map { |v| v.tr('-', '_').camelize }
# Do const lookups starting at object and working our way down.
# So Volt::ProgressBar would lookup Volt, then ProgressBar on Volt.
obj = Object
parts.each do |part|
if obj.const_defined?(part)
obj = obj.const_get(part)
else
# return a blank ModelController
return [ModelController, nil]
end
end
[obj, action]
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems