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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| <?php | ||
| /** | ||
| * Mutation - addFee | ||
| * | ||
| * Registers mutation for add an additional fee to the cart. | ||
| * | ||
| * @package WPGraphQL\Extensions\WooCommerce\Mutation | ||
| * @since 0.1.0 | ||
| */ | ||
|
|
||
| namespace WPGraphQL\Extensions\WooCommerce\Mutation; | ||
|
|
||
| use GraphQL\Error\UserError; | ||
| use GraphQL\Type\Definition\ResolveInfo; | ||
| use WPGraphQL\AppContext; | ||
| use WPGraphQL\Extensions\WooCommerce\Data\Mutation\Cart_Mutation; | ||
|
|
||
| /** | ||
| * Class - Cart_Add_Fee | ||
| */ | ||
| class Cart_Add_Fee { | ||
| /** | ||
| * Registers mutation | ||
| */ | ||
| public static function register_mutation() { | ||
| register_graphql_mutation( | ||
| 'addFee', | ||
| array( | ||
| 'inputFields' => self::get_input_fields(), | ||
| 'outputFields' => self::get_output_fields(), | ||
| 'mutateAndGetPayload' => self::mutate_and_get_payload(), | ||
| ) | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * Defines the mutation input field configuration | ||
| * | ||
| * @return array | ||
| */ | ||
| public static function get_input_fields() { | ||
| $input_fields = array( | ||
| 'name' => array( | ||
| 'type' => array( 'non_null' => 'String' ), | ||
| 'description' => __( 'Unique name for the fee.', 'wp-graphql-woocommerce' ), | ||
| ), | ||
| 'amount' => array( | ||
| 'type' => 'Float', | ||
| 'description' => __( 'Fee amount', 'wp-graphql-woocommerce' ), | ||
| ), | ||
| 'taxable' => array( | ||
| 'type' => 'Boolean', | ||
| 'description' => __( 'Is the fee taxable?', 'wp-graphql-woocommerce' ), | ||
| ), | ||
| 'taxClass' => array( | ||
| 'type' => 'TaxClassEnum', | ||
| 'description' => __( 'The tax class for the fee if taxable.', 'wp-graphql-woocommerce' ), | ||
| ), | ||
| ); | ||
|
|
||
| return $input_fields; | ||
| } | ||
|
|
||
| /** | ||
| * Defines the mutation output field configuration | ||
| * | ||
| * @return array | ||
| */ | ||
| public static function get_output_fields() { | ||
| return array( | ||
| 'cartFee' => array( | ||
| 'type' => 'CartFee', | ||
| 'resolve' => function ( $payload ) { | ||
| $fees = \WC()->cart->get_fees(); | ||
| return $fees[ $payload['id'] ]; | ||
| }, | ||
| ), | ||
| ); | ||
| } | ||
|
|
||
| /** | ||
| * 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['name'] ) ) { | ||
| throw new UserError( __( 'No name provided for fee', 'wp-graphql-woocommerce' ) ); | ||
| } | ||
| if ( ! isset( $input['amount'] ) ) { | ||
| throw new UserError( __( 'No amount set for the fee', 'wp-graphql-woocommerce' ) ); | ||
| } | ||
|
|
||
| // Get cart fee args. | ||
| $cart_fee_args = Cart_Mutation::prepare_cart_fee( $input, $context, $info ); | ||
|
|
||
| // Add cart fee. | ||
| \WC()->cart->add_fee( ...$cart_fee_args ); | ||
|
|
||
| // Return payload. | ||
| return array( 'id' => \sanitize_title( $input['name'] ) ); | ||
| }; | ||
| } | ||
| } |
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