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Merge pull request wp-graphql#57 from kidunot89/feature/remove-item-f…
…rom-cart-mutation removeItemFromCart mutation
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Original file line number | Diff line number | Diff line change |
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<?php | ||
/** | ||
* Mutation - removeItemFromCart | ||
* | ||
* Registers mutation for removing a cart item from the cart. | ||
* | ||
* @package WPGraphQL\Extensions\WooCommerce\Mutation | ||
* @since 0.1.0 | ||
*/ | ||
|
||
namespace WPGraphQL\Extensions\WooCommerce\Mutation; | ||
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use GraphQL\Error\UserError; | ||
use GraphQL\Type\Definition\ResolveInfo; | ||
use WPGraphQL\AppContext; | ||
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/** | ||
* Class - Cart_Remove_Item | ||
*/ | ||
class Cart_Remove_Item { | ||
/** | ||
* Registers mutation | ||
*/ | ||
public static function register_mutation() { | ||
register_graphql_mutation( | ||
'removeItemFromCart', | ||
array( | ||
'inputFields' => self::get_input_fields(), | ||
'outputFields' => self::get_output_fields(), | ||
'mutateAndGetPayload' => self::mutate_and_get_payload(), | ||
) | ||
); | ||
} | ||
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/** | ||
* Defines the mutation input field configuration | ||
* | ||
* @return array | ||
*/ | ||
public static function get_input_fields() { | ||
$input_fields = array( | ||
'key' => array( | ||
'type' => array( 'non_null' => 'ID' ), | ||
'description' => __( 'Cart item key of the item being removed', 'wp-graphql-woocommerce' ), | ||
), | ||
); | ||
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return $input_fields; | ||
} | ||
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/** | ||
* Defines the mutation output field configuration | ||
* | ||
* @return array | ||
*/ | ||
public static function get_output_fields() { | ||
return array( | ||
'cartItem' => array( | ||
'type' => 'CartItem', | ||
'resolve' => function ( $item ) { | ||
return $item; | ||
}, | ||
), | ||
); | ||
} | ||
|
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/** | ||
* Defines the mutation data modification closure. | ||
* | ||
* @return callable | ||
*/ | ||
public static function mutate_and_get_payload() { | ||
return function( $input, AppContext $context, ResolveInfo $info ) { | ||
// Retrieve product database ID if relay ID provided. | ||
if ( empty( $input['key'] ) ) { | ||
throw new UserError( __( 'No cart item key provided', 'wp-graphql-woocommerce' ) ); | ||
} | ||
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// Get WC_Cart instance. | ||
$cart = WC()->cart; | ||
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$cart_item = $cart->get_cart_item( $input['key'] ); | ||
if ( empty( $cart_item ) ) { | ||
/* translators: Cart item not found message */ | ||
throw new UserError( sprintf( __( 'No cart item found with the key: %s', 'wp-graphql-woocommerce' ), $input['key'] ) ); | ||
} | ||
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// Add item to cart and get item key. | ||
$cart->remove_cart_item( $input['key'] ); | ||
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// Return payload. | ||
return $cart_item; | ||
}; | ||
} | ||
} |
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