/**
* _initialize - initial module setup
*
* @access private
* @throws EE_Error
* @return void
*/
private function _initialize()
{
// ensure SPCO doesn't run twice
if (EED_Single_Page_Checkout::$_initialized) {
return;
}
// setup the EE_Checkout object
$this->checkout = $this->_initialize_checkout();
// filter checkout
$this->checkout = apply_filters('FHEE__EED_Single_Page_Checkout___initialize__checkout', $this->checkout);
// get the $_GET
$this->_get_request_vars();
// filter continue_reg
$this->checkout->continue_reg = apply_filters('FHEE__EED_Single_Page_Checkout__init___continue_reg', TRUE, $this->checkout);
// load the reg steps array
if (!$this->_load_and_instantiate_reg_steps()) {
EED_Single_Page_Checkout::$_initialized = true;
return;
}
// set the current step
$this->checkout->set_current_step($this->checkout->step);
// and the next step
$this->checkout->set_next_step();
// was there already a valid transaction in the checkout from the session ?
if (!$this->checkout->transaction instanceof EE_Transaction) {
// get transaction from db or session
$this->checkout->transaction = $this->checkout->reg_url_link && !is_admin() ? $this->_get_transaction_and_cart_for_previous_visit() : $this->_get_cart_for_current_session_and_setup_new_transaction();
if (!$this->checkout->transaction instanceof EE_Transaction) {
EE_Error::add_error(__('Your Registration and Transaction information could not be retrieved from the db.', 'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
// add some style and make it dance
$this->checkout->transaction = EE_Transaction::new_instance();
$this->add_styles_and_scripts();
EED_Single_Page_Checkout::$_initialized = true;
return;
}
// and the registrations for the transaction
$this->_get_registrations($this->checkout->transaction);
}
// verify that everything has been setup correctly
if (!$this->_final_verifications()) {
EED_Single_Page_Checkout::$_initialized = true;
return;
}
// lock the transaction
$this->checkout->transaction->lock();
// make sure all of our cached objects are added to their respective model entity mappers
$this->checkout->refresh_all_entities();
// set amount owing
$this->checkout->amount_owing = $this->checkout->transaction->remaining();
// initialize each reg step, which gives them the chance to potentially alter the process
$this->_initialize_reg_steps();
// DEBUG LOG
//$this->checkout->log( __CLASS__, __FUNCTION__, __LINE__ );
// get reg form
$this->_check_form_submission();
// checkout the action!!!
$this->_process_form_action();
// add some style and make it dance
$this->add_styles_and_scripts();
// kk... SPCO has successfully run
EED_Single_Page_Checkout::$_initialized = TRUE;
// set no cache headers and constants
EE_System::do_not_cache();
// add anchor
add_action('loop_start', array($this, 'set_checkout_anchor'), 1);
// remove transaction lock
add_action('shutdown', array($this, 'unlock_transaction'), 1);
}
/**
* _final_verifications
* just makes sure that everything is set up correctly before proceeding
*
* @access private
* @return bool
* @throws \EE_Error
*/
private function _final_verifications()
{
// filter checkout
$this->checkout = apply_filters('FHEE__EED_Single_Page_Checkout___final_verifications__checkout', $this->checkout);
//verify that current step is still set correctly
if (!$this->checkout->current_step instanceof EE_SPCO_Reg_Step) {
EE_Error::add_error(__('We\'re sorry but the registration process can not proceed because one or more registration steps were not setup correctly. Please refresh the page and try again or contact support.', 'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
return false;
}
// if returning to SPCO, then verify that primary registrant is set
if (!empty($this->checkout->reg_url_link)) {
$valid_registrant = $this->checkout->transaction->primary_registration();
if (!$valid_registrant instanceof EE_Registration) {
EE_Error::add_error(__('We\'re sorry but there appears to be an error with the "reg_url_link" or the primary registrant for this transaction. Please refresh the page and try again or contact support.', 'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
return false;
}
$valid_registrant = null;
foreach ($this->checkout->transaction->registrations($this->checkout->reg_cache_where_params) as $registration) {
if ($registration instanceof EE_Registration && $registration->reg_url_link() === $this->checkout->reg_url_link) {
$valid_registrant = $registration;
}
}
if (!$valid_registrant instanceof EE_Registration) {
// hmmm... maybe we have the wrong session because the user is opening multiple tabs ?
if (EED_Single_Page_Checkout::$_checkout_verified) {
// clear the session, mark the checkout as unverified, and try again
EE_Registry::instance()->SSN->clear_session();
EED_Single_Page_Checkout::$_initialized = false;
EED_Single_Page_Checkout::$_checkout_verified = false;
$this->_initialize();
EE_Error::reset_notices();
return false;
}
EE_Error::add_error(__('We\'re sorry but there appears to be an error with the "reg_url_link" or the transaction itself. Please refresh the page and try again or contact support.', 'event_espresso'), __FILE__, __FUNCTION__, __LINE__);
return false;
}
}
// now that things have been kinda sufficiently verified,
// let's add the checkout to the session so that's available other systems
EE_Registry::instance()->SSN->set_checkout($this->checkout);
return true;
}
