/
gpi-packaged-products.php
146 lines (119 loc) · 4.83 KB
/
gpi-packaged-products.php
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<?php
/**
* Gravity Perks // Inventory // Packaged Products
* https://gravitywiz.com/documentation/gravity-forms-inventory/
*
* Add dependencies between packaged products and products that are individually in the product. As packages are
* bought, the individual items available inventory will also decrease by that much. If the available inventory of an
* individual product is below the inventory of a package, it should use the lowest inventory amount amongst the packaged
* fields.
*
* Known Limitations:
* - The package field and fields in the package must be using the Advanced Inventory type and have their own resources.
* - All fields need to be on the same form.
*
* Instructions:
* - Install using instructions here: https://gravitywiz.com/documentation/how-do-i-install-a-snippet/
* - Update the configuration at the bottom of the snippet accordingly.
*/
class GP_Inventory_Packaged_Products {
/** @var array */
private $_args;
/** @var int */
public $form_id;
/** @var GF_Field */
public $package_field;
/** @var int[] */
public $field_ids_in_package = array();
public function __construct( $args = array() ) {
$this->_args = wp_parse_args( $args, array(
'form_id' => null,
'package_field_id' => null,
'field_ids_in_package' => array(),
) );
$this->form_id = $this->_args['form_id'];
$this->package_field = GFAPI::get_field( $this->form_id, $this->_args['package_field_id'] );
$this->field_ids_in_package = $this->_args['field_ids_in_package'];
add_action( 'init', array( $this, 'init' ) );
}
public function init() {
add_filter( 'gpi_claimed_inventory_' . $this->form_id, array(
$this,
'package_field_claimed_inventory',
), 10, 2 );
add_filter( 'gpi_claimed_inventory_' . $this->form_id, array(
$this,
'add_claimed_package_inventory_to_individual_products',
), 10, 2 );
add_filter( 'gpi_requested_quantity_' . $this->form_id, array(
$this,
'add_requested_packages_to_individual_products',
), 10, 2 );
}
/**
* Add claimed inventory of packaged items to packages if their inventory is below packages.
*/
public function package_field_claimed_inventory( $package_claimed_inventory, $field ) {
if ( $field->id !== $this->package_field->id ) {
return $package_claimed_inventory;
}
remove_filter( 'gpi_claimed_inventory_' . $this->form_id, array(
$this,
'add_claimed_package_inventory_to_individual_products',
) );
$inventory_limit = gp_inventory_type_advanced()->get_stock_quantity( $this->package_field );
$package_available_inventory = $inventory_limit - $package_claimed_inventory;
$packaged_item_available_amounts = array();
foreach ( $this->field_ids_in_package as $field_id_in_package ) {
$field_in_package = GFAPI::get_field( $this->form_id, $field_id_in_package );
$packaged_item_available_amount = gp_inventory_type_advanced()->get_available_stock( $field_in_package ) - $package_claimed_inventory;
$packaged_item_available_amounts[] = $packaged_item_available_amount;
}
$lowest_package_item_available_amount = min( $packaged_item_available_amounts );
if ( $lowest_package_item_available_amount < $package_available_inventory ) {
$difference = $package_available_inventory - $lowest_package_item_available_amount;
$package_claimed_inventory = $package_claimed_inventory + $difference;
}
add_filter( 'gpi_claimed_inventory_' . $this->form_id, array(
$this,
'add_claimed_package_inventory_to_individual_products',
), 10, 2 );
return $package_claimed_inventory;
}
/**
* Add claimed inventory of packages to packaged items.
*/
public function add_claimed_package_inventory_to_individual_products( $claimed_inventory, $field ) {
if ( ! in_array( $field->id, $this->field_ids_in_package ) ) {
return $claimed_inventory;
}
remove_filter( 'gpi_claimed_inventory_' . $this->form_id, array(
$this,
'package_field_claimed_inventory',
) );
$claimed_packages_inventory = gp_inventory_type_advanced()->get_claimed_inventory( $this->package_field );
add_filter( 'gpi_claimed_inventory_' . $this->form_id, array(
$this,
'package_field_claimed_inventory',
), 10, 2 );
return (int) $claimed_inventory + (int) $claimed_packages_inventory;
}
/**
* Add requested quantity of packages to packaged items.
*/
public function add_requested_packages_to_individual_products( $requested_quantity, $field ) {
if ( ! in_array( $field->id, $this->field_ids_in_package ) ) {
return $requested_quantity;
}
$requested_packages_qty = rgpost( 'input_' . $this->package_field->id . '_3' );
return (int) $requested_quantity + (int) $requested_packages_qty;
}
}
/**
* Configuration
*/
new GP_Inventory_Packaged_Products( array(
'form_id' => 2,
'package_field_id' => 4,
'field_ids_in_package' => array( 1, 2 ),
) );