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Last active Nov 22, 2017

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Example of multiple product surcharges, example.php allows multiple questions but only one produce per question, example-multiple.php allows multiple products to be added using a single question (for example a checkbox question with multiple options).
<?php //Please do not include the opening PHP tag if you already have one
/**
* PLEASE READ AND FOLLOW ALL INSTRUCTIONS IN CAPS
*
* IN ORDER FOR THIS TO WORK YOU NEED TO ADD A CUSTOM QUESTION
* BY LOGGING INTO THE WORDPRESS ADMIN AND GOING TO :
* Event Espresso > Registration Form
* AND THEN CLICKING ON "Add New Question"
*
* FOR THIS EXAMPLE CODE I CREATED TWO NEW QUESTIONS:
*
* ONE NAMED "T-shirt Size"
* SET ITS TYPE TO "Dropdown" AND GAVE IT THE FOLLOWING OPTIONS:
* "small"
* "medium"
* "large"
* (ANSWER VALUES ARE CASE SENSITIVE)
*
* THEN CLICKED "Save and Close"
*
* AND A SECOND QUESTION NAMED "T-shirt Quantity"
* AND SET ITS TYPE TO "Number"
*
* THEN CLICKED "Save and Close"
*
* ADDITIONAL QUESTIONS COULD BE ADDED IN A SIMILAR FASHION.
*
* I ALSO CREATED A QUESTION GROUP CALLED "Products"
* AND ADDED THE "T-shirt Size" AND "T-shirt Quantity" QUESTIONS TO THAT GROUP
*
* !!! IMPORTANT !!!
* YOUR QUANTITY QUESTION MUST APPEAR >> AFTER << THE OPTION QUESTION
* WHEN ORDERING THE QUESTIONS IN THE QUESTION GROUP
*
* THEN ON MY EVENT ( Event Espresso > Events > Edit Event ),
* I CHECKED OFF THE "Products" QUESTION GROUP
* IN THE "Questions for Primary Registrant" SIDEBAR METABOX
* AS WELL AS THE "Questions for Additional Registrants" SIDEBAR METABOX
*
* THIS WAY, ALL REGISTRANTS WILL BE ASKED BOTH QUESTIONS,
* WHICH WILL THEN CONTROL THE EXTRA CHARGES ADDED TO THE TRANSACTION.
*
* PLZ FOLLOW ALL ADDITIONAL INSTRUCTIONS BELOW THAT ARE WRITTEN IN CAPS
*/
/**
* EDIT THIS ARRAY TO HOLD THE DETAILS FOR YOUR PRODUCT OPTIONS.
* THIS CAN HANDLE ANY NUMBER OF ITEMS AS LONG AS THE CORRESPONDING QUESTION IDs ARE CORRECT
* AND THE PRODUCT OPTION DETAIL KEYS MATCH THE QUESTION VALUES
*/
$products = array(
0 => array(
// CHANGE NUMBER VALUE TO MATCH THE ID OF YOUR PRODUCT QUESTION
'product_question_id' => 11,
// CHANGE NUMBER VALUE TO MATCH THE ID OF YOUR QUANTITY QUESTION
//'product_qty_question_id' => 56,
// AN ARRAY THAT HOLDS DETAILS FOR EACH PRODUCT OPTION YOU ADDED AS QUESTION OPTIONS
'product_option_details' => array(
// KEYS FOR THIS ARRAY SHOULD MATCH THE VALUES YOU ENTERED FOR YOUR QUESTION OPTION VALUES
'Session 1' => array(
// THE REST OF THESE VALUES WILL BE USED FOR GENERATING LINE ITEMS
'name' => 'Session 1',
'code' => 'session-1',
// THE REGISTRANTS NAME WILL GET PREPENDED TO THE PRODUCT DESCRIPTION WHEN DISPLAYED IN LINE ITEMS
// ie: Small T-shirt: for Derek Zoolander. What is this? A T-shirt for ants?"
'description' => 'Session 1 add-on',
'unit_price' => 101.00,
'taxable' => false,
),
'Session 2' => array(
// THE REST OF THESE VALUES WILL BE USED FOR GENERATING LINE ITEMS
'name' => 'Session 2',
'code' => 'session-2',
// THE REGISTRANTS NAME WILL GET PREPENDED TO THE PRODUCT DESCRIPTION WHEN DISPLAYED IN LINE ITEMS
// ie: Small T-shirt: for Derek Zoolander. What is this? A T-shirt for ants?"
'description' => 'Session 2 add-on',
'unit_price' => 102.00,
'taxable' => false,
),
'Session 3' => array(
// THE REST OF THESE VALUES WILL BE USED FOR GENERATING LINE ITEMS
'name' => 'Session 3',
'code' => 'session-3',
// THE REGISTRANTS NAME WILL GET PREPENDED TO THE PRODUCT DESCRIPTION WHEN DISPLAYED IN LINE ITEMS
// ie: Small T-shirt: for Derek Zoolander. What is this? A T-shirt for ants?"
'description' => 'Session 3 add-on',
'unit_price' => 103.00,
'taxable' => false,
),
'Session 4' => array(
// THE REST OF THESE VALUES WILL BE USED FOR GENERATING LINE ITEMS
'name' => 'Session 4',
'code' => 'session-4',
// THE REGISTRANTS NAME WILL GET PREPENDED TO THE PRODUCT DESCRIPTION WHEN DISPLAYED IN LINE ITEMS
// ie: Small T-shirt: for Derek Zoolander. What is this? A T-shirt for ants?"
'description' => 'Session 4 add-on',
'unit_price' => 104.00,
'taxable' => false,
),
'Session 5' => array(
// THE REST OF THESE VALUES WILL BE USED FOR GENERATING LINE ITEMS
'name' => 'Session 5',
'code' => 'session-5',
// THE REGISTRANTS NAME WILL GET PREPENDED TO THE PRODUCT DESCRIPTION WHEN DISPLAYED IN LINE ITEMS
// ie: Small T-shirt: for Derek Zoolander. What is this? A T-shirt for ants?"
'description' => 'Session 5 add-on',
'unit_price' => 105.00,
'taxable' => false,
)
// ADD ADDITIONAL PRODUCT OPTIONS HERE
),
),
1 => array(
// CHANGE NUMBER VALUE TO MATCH THE ID OF YOUR PRODUCT QUESTION
'product_question_id' => 12,
// CHANGE NUMBER VALUE TO MATCH THE ID OF YOUR QUANTITY QUESTION
//'product_qty_question_id' => 56,
// AN ARRAY THAT HOLDS DETAILS FOR EACH PRODUCT OPTION YOU ADDED AS QUESTION OPTIONS
'product_option_details' => array(
// KEYS FOR THIS ARRAY SHOULD MATCH THE VALUES YOU ENTERED FOR YOUR QUESTION OPTION VALUES
'Test 1' => array(
// THE REST OF THESE VALUES WILL BE USED FOR GENERATING LINE ITEMS
'name' => 'Test 1',
'code' => 'test-1',
// THE REGISTRANTS NAME WILL GET PREPENDED TO THE PRODUCT DESCRIPTION WHEN DISPLAYED IN LINE ITEMS
// ie: Small T-shirt: for Derek Zoolander. What is this? A T-shirt for ants?"
'description' => 'Test 1 add-on',
'unit_price' => 11.00,
'taxable' => false,
),
// KEYS FOR THIS ARRAY SHOULD MATCH THE VALUES YOU ENTERED FOR YOUR QUESTION OPTION VALUES
'Test 2' => array(
// THE REST OF THESE VALUES WILL BE USED FOR GENERATING LINE ITEMS
'name' => 'Test 2',
'code' => 'test-2',
// THE REGISTRANTS NAME WILL GET PREPENDED TO THE PRODUCT DESCRIPTION WHEN DISPLAYED IN LINE ITEMS
// ie: Small T-shirt: for Derek Zoolander. What is this? A T-shirt for ants?"
'description' => 'Test 2 add-on',
'unit_price' => 22.00,
'taxable' => false,
),
// KEYS FOR THIS ARRAY SHOULD MATCH THE VALUES YOU ENTERED FOR YOUR QUESTION OPTION VALUES
'Test 3' => array(
// THE REST OF THESE VALUES WILL BE USED FOR GENERATING LINE ITEMS
'name' => 'Test 3',
'code' => 'test-3',
// THE REGISTRANTS NAME WILL GET PREPENDED TO THE PRODUCT DESCRIPTION WHEN DISPLAYED IN LINE ITEMS
// ie: Small T-shirt: for Derek Zoolander. What is this? A T-shirt for ants?"
'description' => 'Test 3 add-on',
'unit_price' => 33.00,
'taxable' => false,
),
)
)
);
// THE FOLLOWING CAN BE COMMENTED OUT AND THEN ADDED ANYWHERE IN YOUR SYSTEM CODE (ASSUMING THIS FILE IS LOADED)
// AS LONG AS IT IS CALLED >> BEFORE << THE WORDPRESS "pre_get_posts" HOOK AT PRIORITY 10
// THIS MEANS THAT THE ARRAY OF PRODUCTS CAN BE GENERATED DYNAMICALLY USING PRODUCT DATA FROM ANOTHER CART.
// TO UPDATE THE SYSTEM AFTER A PRODUCT IS SOLD, YOU CAN HOOK INTO THE FOLLOWING FILTER:
// "AHEE__bc_ee_add_product_surcharge__add_product__product_added"
// WHICH IS FOUND IN THE `bc_ee_add_product_surcharge::add_product()` METHOD
new bc_ee_add_product_surcharge($products);
/*
* !!! STOP EDITING !!!
* DON'T GO ANY FURTHER UNLESS YOU ARE REALLY CONFIDENT THAT YOU KNOW WHAT YOU ARE DOING.
*/
/**
* bc_ee_add_product_transaction_surcharge
*
* @package Event Espresso
* @subpackage EE Code Snippets Library
* @author Brent Christensen
*/
class bc_ee_add_product_surcharge
{
/**
* @var array $products
*/
private $products;
/**
* @var EE_Checkout $checkout
*/
private $checkout;
/**
* @var EE_Line_Item $grand_total
*/
private $grand_total;
/**
* @var EE_Line_Item $pre_tax_subtotal
*/
private $pre_tax_subtotal;
/**
* DO NOT EDIT!
*
* @param array $products
*/
public function __construct($products = array())
{
$this->products = $products;
add_filter(
'FHEE__Single_Page_Checkout___check_form_submission__request_params',
array($this, 'check_for_products')
);
add_action(
'AHEE__Single_Page_Checkout__after_attendee_information__process_reg_step',
array($this, 'add_products')
);
}
/**
* @return array
*/
public function products()
{
return (array)apply_filters(
'FHEE__bc_ee_add_product_surcharge__products',
$this->products
);
}
/**
* DO NOT EDIT!
*
* @param array $request_params
* @return array
*/
public function check_for_products(array $request_params)
{
if (isset($request_params['ee_reg_qstn'])) {
foreach ($request_params['ee_reg_qstn'] as $registrations) {
if (! empty($registrations)) {
foreach ($registrations as $QST_ID => $response) {
foreach ($this->products() as $product) {
if ($product['product_question_id'] === $QST_ID) {
// we found a product, so toggle the following filter switch to trigger processing
add_filter(
'FHEE__bc_ee_add_product_surcharge__add_products', '__return_true'
);
return $request_params;
}
}
}
}
}
}
return $request_params;
}
/**
* DO NOT EDIT!
*
* @param EE_SPCO_Reg_Step $reg_step
* @return void
* @throws EE_Error
*/
public function add_products(EE_SPCO_Reg_Step $reg_step)
{
// apply the surcharge ?
if (
! apply_filters('FHEE__bc_ee_add_product_surcharge__add_products', false)
|| ! $this->verify_objects($reg_step)
) {
return;
}
$registrations = $this->checkout->transaction->registrations();
$product_added = false;
foreach ($registrations as $REG_ID => $registration) {
if (! $registration instanceof EE_Registration) {
continue;
}
//Intialize product variables
$products = array();
$answers = $registration->answers();
foreach ($answers as $answer) {
if ($answer instanceof EE_Answer) {
//Pull the answers for a question, multiple choice answers may return an array
$maybe_array_of_values = $answer->value();
//If the values are within an array, loop over all values and see if a product is associated with any/all of them.
if( is_array($maybe_array_of_values) ) {
foreach( $maybe_array_of_values as $value ) {
$product = $this->get_product( $answer->question_ID(), $value);
//If we have a product add it to the products array to loop over when we have all values.
if ( $product !== null ) {
$products[] = $product;
}
}
} else {
//The value was not an array so lets check if we have a product for the given value
$product = $this->get_product( $answer->question_ID(), $maybe_array_of_values);
if ( $product !== null ) {
$products[] = $product;
}
}
//Loops over all products and add them to the registration.
foreach($products as $product) {
if( $product != null ) {
$product_added = $this->add_product($product, 1, $registration);
if ($product_added) {
$recalc_total = true;
}
}
}
}
}
}
if ($recalc_total) {
$this->grand_total->recalculate_total_including_taxes();
}
}
/**
* DO NOT EDIT!
*
* @param EE_SPCO_Reg_Step $reg_step
* @return bool
* @throws EE_Error
*/
private function verify_objects(EE_SPCO_Reg_Step $reg_step)
{
$this->checkout = $reg_step->checkout;
// verify checkout && transaction
if (
! (
$this->checkout instanceof EE_Checkout
&& $this->checkout->transaction instanceof EE_Transaction
)
) {
return false;
}
// verify cart
$cart = $this->checkout->cart;
if (! $cart instanceof EE_Cart) {
return false;
}
// verify grand total line item
$this->grand_total = $cart->get_grand_total();
if (! $this->grand_total instanceof EE_Line_Item) {
return false;
}
$this->pre_tax_subtotal = EEH_Line_Item::get_pre_tax_subtotal($this->grand_total);
return true;
}
/**
* DO NOT EDIT!
*
* @param int $product_id
* @param string $option
* @return null
*/
private function get_product($product_id, $option)
{
foreach ($this->products() as $product) {
if ($product['product_question_id'] === $product_id && isset($product['product_option_details'][$option])) {
$product_details = $product['product_option_details'][$option];
$product_details['product_question_id'] = $product['product_question_id'];
return $product_details;
}
}
return null;
}
/**
* DO NOT EDIT!
*
* @param array $product
* @param int $product_qty
* @param EE_Registration $registration
* @return bool
* @throws EE_Error
*/
private function add_product(array $product, $product_qty = 0, EE_Registration $registration)
{
$product['code'] .= '-' . $registration->reg_code();
$product['description'] = sprintf(
esc_html_x(
'for %1$s.',
'{Product Name} for {Customer Name}',
'event_espresso'
),
$registration->attendee()->full_name()
) . ' ' . $product['description'];
$product_added = $this->add_line_item(
$product['code'],
$product['name'],
$product['description'],
$product['unit_price'],
$product['taxable'],
$product_qty
);
if($product_added) {
do_action(
'AHEE__bc_ee_add_product_surcharge__add_product__product_added',
$product,
$product_qty,
$registration
);
}
return $product_added;
}
/**
* DO NOT EDIT!
*
* @param string $product_code
* @param string $product_name
* @param string $product_description
* @param float $product_unit_price
* @param bool $product_taxable
* @param $product_qty
* @return bool
* @throws EE_Error
*/
private function add_line_item(
$product_code = '',
$product_name = '',
$product_description = '',
$product_unit_price = 0.00,
$product_taxable = true,
$product_qty
) {
// has surcharge already been applied ?
$existing_surcharge = $this->grand_total->get_child_line_item($product_code);
if ($existing_surcharge instanceof EE_Line_Item) {
return false;
}
return $this->pre_tax_subtotal->add_child_line_item(
EE_Line_Item::new_instance(
array(
'LIN_name' => $product_name,
'LIN_desc' => $product_description,
'LIN_unit_price' => (float)$product_unit_price,
'LIN_quantity' => $product_qty,
'LIN_is_taxable' => $product_taxable,
'LIN_order' => 0,
'LIN_total' => (float)$product_unit_price,
'LIN_type' => EEM_Line_Item::type_line_item,
'LIN_code' => $product_code,
)
)
);
}
}
<?php
/**
* PLEASE READ AND FOLLOW ALL INSTRUCTIONS IN CAPS
*
* IN ORDER FOR THIS TO WORK YOU NEED TO ADD A CUSTOM QUESTION
* BY LOGGING INTO THE WORDPRESS ADMIN AND GOING TO :
* Event Espresso > Registration Form
* AND THEN CLICKING ON "Add New Question"
*
* FOR THIS EXAMPLE CODE I CREATED TWO NEW QUESTIONS:
*
* ONE NAMED "T-shirt Size"
* SET ITS TYPE TO "Dropdown" AND GAVE IT THE FOLLOWING OPTIONS:
* "small"
* "medium"
* "large"
* (ANSWER VALUES ARE CASE SENSITIVE)
*
* THEN CLICKED "Save and Close"
*
* AND A SECOND QUESTION NAMED "T-shirt Quantity"
* AND SET ITS TYPE TO "Number"
*
* THEN CLICKED "Save and Close"
*
* ADDITIONAL QUESTIONS COULD BE ADDED IN A SIMILAR FASHION.
*
* I ALSO CREATED A QUESTION GROUP CALLED "Products"
* AND ADDED THE "T-shirt Size" AND "T-shirt Quantity" QUESTIONS TO THAT GROUP
*
* !!! IMPORTANT !!!
* YOUR QUANTITY QUESTION MUST APPEAR >> AFTER << THE OPTION QUESTION
* WHEN ORDERING THE QUESTIONS IN THE QUESTION GROUP
*
* THEN ON MY EVENT ( Event Espresso > Events > Edit Event ),
* I CHECKED OFF THE "Products" QUESTION GROUP
* IN THE "Questions for Primary Registrant" SIDEBAR METABOX
* AS WELL AS THE "Questions for Additional Registrants" SIDEBAR METABOX
*
* THIS WAY, ALL REGISTRANTS WILL BE ASKED BOTH QUESTIONS,
* WHICH WILL THEN CONTROL THE EXTRA CHARGES ADDED TO THE TRANSACTION.
*
* PLZ FOLLOW ALL ADDITIONAL INSTRUCTIONS BELOW THAT ARE WRITTEN IN CAPS
*/
/**
* EDIT THIS ARRAY TO HOLD THE DETAILS FOR YOUR PRODUCT OPTIONS.
* THIS CAN HANDLE ANY NUMBER OF ITEMS AS LONG AS THE CORRESPONDING QUESTION IDs ARE CORRECT
* AND THE PRODUCT OPTION DETAIL KEYS MATCH THE QUESTION VALUES
*/
$products = array(
0 => array(
// CHANGE NUMBER VALUE TO MATCH THE ID OF YOUR PRODUCT QUESTION
'product_question_id' => 54,
// CHANGE NUMBER VALUE TO MATCH THE ID OF YOUR QUANTITY QUESTION
'product_qty_question_id' => 56,
// AN ARRAY THAT HOLDS DETAILS FOR EACH PRODUCT OPTION YOU ADDED AS QUESTION OPTIONS
'product_option_details' => array(
// KEYS FOR THIS ARRAY SHOULD MATCH THE VALUES YOU ENTERED FOR YOUR QUESTION OPTION VALUES
'Sunglasses' => array(
// THE REST OF THESE VALUES WILL BE USED FOR GENERATING LINE ITEMS
'name' => 'Sunglasses',
'code' => 'Sunglasses',
// THE REGISTRANTS NAME WILL GET PREPENDED TO THE PRODUCT DESCRIPTION WHEN DISPLAYED IN LINE ITEMS
// ie: Small T-shirt: for Derek Zoolander. What is this? A T-shirt for ants?"
'description' => 'Sunglasses',
'unit_price' => 5.00,
'taxable' => false,
),
// ADD ADDITIONAL PRODUCT OPTIONS HERE
),
),
// ADD ADDITIONAL PRODUCTS HERE
1 => array(
// CHANGE NUMBER VALUE TO MATCH THE ID OF YOUR PRODUCT QUESTION
'product_question_id' => 57,
// CHANGE NUMBER VALUE TO MATCH THE ID OF YOUR QUANTITY QUESTION
'product_qty_question_id' => 58,
// AN ARRAY THAT HOLDS DETAILS FOR EACH PRODUCT OPTION YOU ADDED AS QUESTION OPTIONS
'product_option_details' => array(
// KEYS FOR THIS ARRAY SHOULD MATCH THE VALUES YOU ENTERED FOR YOUR QUESTION OPTION VALUES
'Determination' => array(
// THE REST OF THESE VALUES WILL BE USED FOR GENERATING LINE ITEMS
'name' => 'Determination H-Band',
'code' => 'determination-h-Band',
'description' => 'Determination H-Band',
'unit_price' => 10.00,
'taxable' => false,
),
'Perserverance' => array(
'name' => 'Perserverance H-Band',
'code' => 'perserverance-h-Band',
'description' => 'Perserverance H-Band',
'unit_price' => 10.00,
'taxable' => false,
),
'Resilience' => array(
'name' => 'Resilience H-Band',
'code' => 'resilience-h-Band',
'description' => 'Resilience H-Band',
'unit_price' => 10.00,
'taxable' => false,
),
// ADD ADDITIONAL PRODUCT OPTIONS HERE
),
),
);
// THE FOLLOWING CAN BE COMMENTED OUT AND THEN ADDED ANYWHERE IN YOUR SYSTEM CODE (ASSUMING THIS FILE IS LOADED)
// AS LONG AS IT IS CALLED >> BEFORE << THE WORDPRESS "pre_get_posts" HOOK AT PRIORITY 10
// THIS MEANS THAT THE ARRAY OF PRODUCTS CAN BE GENERATED DYNAMICALLY USING PRODUCT DATA FROM ANOTHER CART.
// TO UPDATE THE SYSTEM AFTER A PRODUCT IS SOLD, YOU CAN HOOK INTO THE FOLLOWING FILTER:
// "AHEE__bc_ee_add_product_surcharge__add_product__product_added"
// WHICH IS FOUND IN THE `bc_ee_add_product_surcharge::add_product()` METHOD
new bc_ee_add_product_surcharge($products);
/*
* !!! STOP EDITING !!!
* DON'T GO ANY FURTHER UNLESS YOU ARE REALLY CONFIDENT THAT YOU KNOW WHAT YOU ARE DOING.
*/
/**
* bc_ee_add_product_transaction_surcharge
*
* @package Event Espresso
* @subpackage EE Code Snippets Library
* @author Brent Christensen
*/
class bc_ee_add_product_surcharge
{
/**
* @var array $products
*/
private $products;
/**
* @var EE_Checkout $checkout
*/
private $checkout;
/**
* @var EE_Line_Item $grand_total
*/
private $grand_total;
/**
* @var EE_Line_Item $pre_tax_subtotal
*/
private $pre_tax_subtotal;
/**
* DO NOT EDIT!
*
* @param array $products
*/
public function __construct($products = array())
{
$this->products = $products;
add_filter(
'FHEE__Single_Page_Checkout___check_form_submission__request_params',
array($this, 'check_for_products')
);
add_action(
'AHEE__Single_Page_Checkout__after_attendee_information__process_reg_step',
array($this, 'add_products')
);
}
/**
* @return array
*/
public function products()
{
return (array)apply_filters(
'FHEE__bc_ee_add_product_surcharge__products',
$this->products
);
}
/**
* DO NOT EDIT!
*
* @param array $request_params
* @return array
*/
public function check_for_products(array $request_params)
{
if (isset($request_params['ee_reg_qstn'])) {
foreach ($request_params['ee_reg_qstn'] as $registrations) {
if (! empty($registrations)) {
foreach ($registrations as $QST_ID => $response) {
foreach ($this->products() as $product) {
if ($product['product_question_id'] === $QST_ID) {
// we found a product, so toggle the following filter switch to trigger processing
add_filter(
'FHEE__bc_ee_add_product_surcharge__add_products', '__return_true'
);
return $request_params;
}
}
}
}
}
}
return $request_params;
}
/**
* DO NOT EDIT!
*
* @param EE_SPCO_Reg_Step $reg_step
* @return void
* @throws EE_Error
*/
public function add_products(EE_SPCO_Reg_Step $reg_step)
{
// apply the surcharge ?
if (
! apply_filters('FHEE__bc_ee_add_product_surcharge__add_products', false)
|| ! $this->verify_objects($reg_step)
) {
return;
}
$registrations = $this->checkout->transaction->registrations();
$product_added = false;
foreach ($registrations as $REG_ID => $registration) {
if (! $registration instanceof EE_Registration) {
continue;
}
//Intialize product variables
$product = null;
$product_qty = null;
$product_qty_question_id = null;
$answers = $registration->answers();
foreach ($answers as $answer) {
if ($answer instanceof EE_Answer) {
if ($product === null) {
$product = $this->get_product($answer->question_ID(), $answer->value());
$product_qty_question_id = isset($product['product_qty_question_id'])
? $product['product_qty_question_id']
: null;
}
if ($answer->question_ID() === $product_qty_question_id) {
$product_qty = $answer->value();
}
}
if ($product !== null && $product_qty !== null) {
$product_added = $this->add_product($product, $product_qty, $registration)
? true // toggle to true
: $product_added; // or maintain existing value
//Reset product variables
$product = null;
$product_qty = null;
$product_qty_question_id = null;
}
}
}
if ($product_added) {
$this->grand_total->recalculate_total_including_taxes();
}
}
/**
* DO NOT EDIT!
*
* @param EE_SPCO_Reg_Step $reg_step
* @return bool
* @throws EE_Error
*/
private function verify_objects(EE_SPCO_Reg_Step $reg_step)
{
$this->checkout = $reg_step->checkout;
// verify checkout && transaction
if (
! (
$this->checkout instanceof EE_Checkout
&& $this->checkout->transaction instanceof EE_Transaction
)
) {
return false;
}
// verify cart
$cart = $this->checkout->cart;
if (! $cart instanceof EE_Cart) {
return false;
}
// verify grand total line item
$this->grand_total = $cart->get_grand_total();
if (! $this->grand_total instanceof EE_Line_Item) {
return false;
}
$this->pre_tax_subtotal = EEH_Line_Item::get_pre_tax_subtotal($this->grand_total);
return true;
}
/**
* DO NOT EDIT!
*
* @param int $product_id
* @param string $option
* @return null
*/
private function get_product($product_id, $option)
{
write_log($product_id . ' ' . $option);
foreach ($this->products() as $product) {
if ($product['product_question_id'] === $product_id && isset($product['product_option_details'][$option])) {
$product_details = $product['product_option_details'][$option];
$product_details['product_question_id'] = $product['product_question_id'];
$product_details['product_qty_question_id'] = $product['product_qty_question_id'];
return $product_details;
}
}
return null;
}
/**
* DO NOT EDIT!
*
* @param array $product
* @param int $product_qty
* @param EE_Registration $registration
* @return bool
* @throws EE_Error
*/
private function add_product(array $product, $product_qty = 0, EE_Registration $registration)
{
$product['code'] .= '-' . $registration->reg_code();
$product['description'] = sprintf(
esc_html_x(
'for %1$s.',
'{Product Name} for {Customer Name}',
'event_espresso'
),
$registration->attendee()->full_name()
) . ' ' . $product['description'];
$product_added = $this->add_line_item(
$product['code'],
$product['name'],
$product['description'],
$product['unit_price'],
$product['taxable'],
$product_qty
);
if($product_added) {
do_action(
'AHEE__bc_ee_add_product_surcharge__add_product__product_added',
$product,
$product_qty,
$registration
);
}
return $product_added;
}
/**
* DO NOT EDIT!
*
* @param string $product_code
* @param string $product_name
* @param string $product_description
* @param float $product_unit_price
* @param bool $product_taxable
* @param $product_qty
* @return bool
* @throws EE_Error
*/
private function add_line_item(
$product_code = '',
$product_name = '',
$product_description = '',
$product_unit_price = 0.00,
$product_taxable = true,
$product_qty
) {
// has surcharge already been applied ?
$existing_surcharge = $this->grand_total->get_child_line_item($product_code);
if ($existing_surcharge instanceof EE_Line_Item) {
return false;
}
return $this->pre_tax_subtotal->add_child_line_item(
EE_Line_Item::new_instance(
array(
'LIN_name' => $product_name,
'LIN_desc' => $product_description,
'LIN_unit_price' => (float)$product_unit_price,
'LIN_quantity' => $product_qty,
'LIN_is_taxable' => $product_taxable,
'LIN_order' => 0,
'LIN_total' => (float)$product_unit_price,
'LIN_type' => EEM_Line_Item::type_line_item,
'LIN_code' => $product_code,
)
)
);
}
}
// End of file bc_ee_add_product_surcharge.php
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