AyeCode / invoicing

widgets/invoice-receipt.php

Indentation +9 added lines, -9 removed lines

@@ -44,15 +44,15 @@
         parent::__construct( $options );
     }
 
-	/**
-	 * The Super block output function.
-	 *
-	 * @param array $args
-	 * @param array $widget_args
-	 * @param string $content
-	 *
-	 * @return mixed|string|bool
-	 */
+    /**
+     * The Super block output function.
+     *
+     * @param array $args
+     * @param array $widget_args
+     * @param string $content
+     *
+     * @return mixed|string|bool
+     */
     public function output( $args = array(), $widget_args = array(), $content = '' ) {
         return wpinv_payment_receipt();
     }

includes/gateways/class-getpaid-worldpay-gateway.php

Indentation +94 added lines, -94 removed lines

@@ -13,65 +13,65 @@ 
 class GetPaid_Worldpay_Gateway extends GetPaid_Payment_Gateway {
 
     /**
-	 * Payment method id.
-	 *
-	 * @var string
-	 */
+     * Payment method id.
+     *
+     * @var string
+     */
     public $id = 'worldpay';
 
     /**
-	 * Payment method order.
-	 *
-	 * @var int
-	 */
+     * Payment method order.
+     *
+     * @var int
+     */
     public $order = 5;
 
     /**
-	 * Endpoint for requests from Worldpay.
-	 *
-	 * @var string
-	 */
-	protected $notify_url;
-
-	/**
-	 * Endpoint for requests to Worldpay.
-	 *
-	 * @var string
-	 */
+     * Endpoint for requests from Worldpay.
+     *
+     * @var string
+     */
+    protected $notify_url;
+
+    /**
+     * Endpoint for requests to Worldpay.
+     *
+     * @var string
+     */
     protected $endpoint;
 
     /**
-	 * An array of features that this gateway supports.
-	 *
-	 * @var array
-	 */
+     * An array of features that this gateway supports.
+     *
+     * @var array
+     */
     protected $supports = array( 'sandbox' );
     
     /**
-	 * Currencies this gateway is allowed for.
-	 *
-	 * @var array
-	 */
-	public $currencies = array( 'AUD', 'ARS', 'CAD', 'CHF', 'DKK', 'EUR', 'HKD', 'MYR', 'GBP', 'NZD', 'NOK', 'SGD', 'LKR', 'SEK', 'TRY', 'USD', 'ZAR' );
+     * Currencies this gateway is allowed for.
+     *
+     * @var array
+     */
+    public $currencies = array( 'AUD', 'ARS', 'CAD', 'CHF', 'DKK', 'EUR', 'HKD', 'MYR', 'GBP', 'NZD', 'NOK', 'SGD', 'LKR', 'SEK', 'TRY', 'USD', 'ZAR' );
 
     /**
-	 * URL to view a transaction.
-	 *
-	 * @var string
-	 */
+     * URL to view a transaction.
+     *
+     * @var string
+     */
     public $view_transaction_url = 'https://www.{sandbox}paypal.com/activity/payment/%s';
 
     /**
-	 * URL to view a subscription.
-	 *
-	 * @var string
-	 */
-	public $view_subscription_url = 'https://www.{sandbox}paypal.com/cgi-bin/webscr?cmd=_profile-recurring-payments&encrypted_profile_id=%s';
+     * URL to view a subscription.
+     *
+     * @var string
+     */
+    public $view_subscription_url = 'https://www.{sandbox}paypal.com/cgi-bin/webscr?cmd=_profile-recurring-payments&encrypted_profile_id=%s';
 
     /**
-	 * Class constructor.
-	 */
-	public function __construct() {
+     * Class constructor.
+     */
+    public function __construct() {
 
         $this->method_title         = __( 'Worldpay', 'invoicing' );
         $this->title                = __( 'Worldpay - Credit Card / Debit Card', 'invoicing' );
@@ -85,15 +85,15 @@ 
     }
 
     /**
-	 * Process Payment.
-	 *
-	 *
-	 * @param WPInv_Invoice $invoice Invoice.
-	 * @param array $submission_data Posted checkout fields.
-	 * @param GetPaid_Payment_Form_Submission $submission Checkout submission.
-	 * @return array
-	 */
-	public function process_payment( $invoice, $submission_data, $submission ) {
+     * Process Payment.
+     *
+     *
+     * @param WPInv_Invoice $invoice Invoice.
+     * @param array $submission_data Posted checkout fields.
+     * @param GetPaid_Payment_Form_Submission $submission Checkout submission.
+     * @return array
+     */
+    public function process_payment( $invoice, $submission_data, $submission ) {
 
         // Get redirect url.
         $worldpay_redirect = esc_url( $this->get_request_url( $invoice ) );
@@ -128,31 +128,31 @@ 
     }
 
     /**
-	 * Get the Worldpay request URL for an invoice.
-	 *
-	 * @param  WPInv_Invoice $invoice Invoice object.
-	 * @return string
-	 */
-	public function get_request_url( $invoice ) {
+     * Get the Worldpay request URL for an invoice.
+     *
+     * @param  WPInv_Invoice $invoice Invoice object.
+     * @return string
+     */
+    public function get_request_url( $invoice ) {
 
         // Endpoint for this request
-		$this->endpoint = $this->is_sandbox( $invoice ) ? 'https://secure-test.worldpay.com/wcc/purchase' : 'https://secure.worldpay.com/wcc/purchase';
+        $this->endpoint = $this->is_sandbox( $invoice ) ? 'https://secure-test.worldpay.com/wcc/purchase' : 'https://secure.worldpay.com/wcc/purchase';
 
         return $this->endpoint;
 
-	}
+    }
 
     /**
-	 * Get Worldpay Args for passing to Worldpay.
-	 *
-	 * @param  WPInv_Invoice $invoice Invoice object.
-	 * @return array
-	 */
-	protected function get_worldpay_args( $invoice ) {
-
-		return apply_filters(
-			'getpaid_worldpay_args',
-			array(
+     * Get Worldpay Args for passing to Worldpay.
+     *
+     * @param  WPInv_Invoice $invoice Invoice object.
+     * @return array
+     */
+    protected function get_worldpay_args( $invoice ) {
+
+        return apply_filters(
+            'getpaid_worldpay_args',
+            array(
                 'amount'         => wpinv_sanitize_amount( $invoice->get_total() ), // mandatory
                 'cartId'         => wpinv_clean( $invoice->get_number() ), // mandatory reference for the item purchased
                 'currency'       => wpinv_clean( $invoice->get_currency() ), // mandatory
@@ -177,18 +177,18 @@ 
                 'countryString'  => wpinv_clean( wpinv_country_name( $invoice->get_country() ) ),
                 'compName'       => wpinv_clean( $invoice->get_company() ),
             ),
-			$invoice
-		);
+            $invoice
+        );
 
     }
 
     /**
-	 * Secures worldpay args with an md5 hash.
-	 *
-	 * @param  array $args Gateway args.
-	 * @return array
-	 */
-	public function hash_args( $args ) {
+     * Secures worldpay args with an md5 hash.
+     *
+     * @param  array $args Gateway args.
+     * @return array
+     */
+    public function hash_args( $args ) {
 
         $md5_secret = $this->get_option( 'md5_secret' );
 
@@ -204,16 +204,16 @@ 
     }
 
     /**
-	 * Processes ipns and marks payments as complete.
-	 *
-	 * @return void
-	 */
-	public function verify_ipn() {
+     * Processes ipns and marks payments as complete.
+     *
+     * @return void
+     */
+    public function verify_ipn() {
 
         // Validate the IPN.
         if ( empty( $_POST ) || ! $this->validate_ipn() ) {
-		    wp_die( 'Worldpay IPN Request Failure', 'Worldpay IPN', array( 'response' => 500 ) );
-		}
+            wp_die( 'Worldpay IPN Request Failure', 'Worldpay IPN', array( 'response' => 500 ) );
+        }
 
         // Process the IPN.
         $posted  = wp_unslash( $_POST );
@@ -229,8 +229,8 @@ 
                 $invoice->set_transaction_id( wpinv_clean( $posted['transId'] ) );
             }
 
-             // Update the ip address.
-             if ( ! empty( $posted['ipAddress'] ) ) {
+                // Update the ip address.
+                if ( ! empty( $posted['ipAddress'] ) ) {
                 $invoice->set_ip( wpinv_clean( $posted['ipAddress'] ) );
             }
 
@@ -257,9 +257,9 @@ 
     }
 
     /**
-	 * Check Worldpay IPN validity.
-	 */
-	public function validate_ipn() {
+     * Check Worldpay IPN validity.
+     */
+    public function validate_ipn() {
 
         wpinv_error_log( 'Validating Worldpay IPN response' );
 
@@ -305,11 +305,11 @@ 
     }
 
     /**
-	 * Filters the gateway settings.
-	 * 
-	 * @param array $admin_settings
-	 */
-	public function admin_settings( $admin_settings ) {
+     * Filters the gateway settings.
+     * 
+     * @param array $admin_settings
+     */
+    public function admin_settings( $admin_settings ) {
 
         $currencies = sprintf(
             __( 'Supported Currencies: %s', 'invoicing' ),
@@ -350,7 +350,7 @@ 
             'readonly' => true
         );
 
-		return $admin_settings;
-	}
+        return $admin_settings;
+    }
 
 }

includes/data/currency-symbols.php

Indentation +162 added lines, -162 removed lines

@@ -11,166 +11,166 @@
 defined( 'ABSPATH' ) || exit;
 
 return array(
-	'AED' => 'د.إ',
-	'AFN' => '؋',
-	'ALL' => 'L',
-	'AMD' => 'AMD',
-	'ANG' => 'ƒ',
-	'AOA' => 'Kz',
-	'ARS' => '$',
-	'AUD' => '$',
-	'AWG' => 'ƒ',
-	'AZN' => 'AZN',
-	'BAM' => 'KM',
-	'BBD' => '$',
-	'BDT' => '৳',
-	'BGN' => 'лв.',
-	'BHD' => '.د.ب',
-	'BIF' => 'Fr',
-	'BMD' => '$',
-	'BND' => '$',
-	'BOB' => 'Bs.',
-	'BRL' => 'R$',
-	'BSD' => '$',
-	'BTC' => '฿',
-	'BTN' => 'Nu.',
-	'BWP' => 'P',
-	'BYN' => 'Br',
-	'BZD' => '$',
-	'CAD' => '$',
-	'CDF' => 'Fr',
-	'CHF' => 'CHF',
-	'CLP' => '$',
-	'CNY' => '¥',
-	'COP' => '$',
-	'CRC' => '₡',
-	'CUC' => '$',
-	'CUP' => '$',
-	'CVE' => '$',
-	'CZK' => 'Kč',
-	'DJF' => 'Fr',
-	'DKK' => 'DKK',
-	'DOP' => 'RD$',
-	'DZD' => 'د.ج',
-	'EGP' => 'EGP',
-	'ERN' => 'Nfk',
-	'ETB' => 'Br',
-	'EUR' => '€',
-	'FJD' => '$',
-	'FKP' => '£',
-	'GBP' => '£',
-	'GEL' => 'ლ',
-	'GGP' => '£',
-	'GHS' => '₵',
-	'GIP' => '£',
-	'GMD' => 'D',
-	'GNF' => 'Fr',
-	'GTQ' => 'Q',
-	'GYD' => '$',
-	'HKD' => '$',
-	'HNL' => 'L',
-	'HRK' => 'Kn',
-	'HTG' => 'G',
-	'HUF' => 'Ft',
-	'IDR' => 'Rp',
-	'ILS' => '₪',
-	'IMP' => '£',
-	'INR' => '₹',
-	'IQD' => 'ع.د',
-	'IRR' => '﷼',
-	'IRT' => 'تومان',
-	'ISK' => 'kr.',
-	'JEP' => '£',
-	'JMD' => '$',
-	'JOD' => 'د.ا',
-	'JPY' => '¥',
-	'KES' => 'KSh',
-	'KGS' => 'сом',
-	'KHR' => '៛',
-	'KMF' => 'Fr',
-	'KPW' => '₩',
-	'KRW' => '₩',
-	'KWD' => 'د.ك',
-	'KYD' => '$',
-	'KZT' => 'KZT',
-	'LAK' => '₭',
-	'LBP' => 'ل.ل',
-	'LKR' => 'රු',
-	'LRD' => '$',
-	'LSL' => 'L',
-	'LYD' => 'ل.د',
-	'MAD' => 'د.م.',
-	'MDL' => 'MDL',
-	'MGA' => 'Ar',
-	'MKD' => 'ден',
-	'MMK' => 'Ks',
-	'MNT' => '₮',
-	'MOP' => 'P',
-	'MRO' => 'UM',
-	'MUR' => '₨',
-	'MVR' => '.ރ',
-	'MWK' => 'MK',
-	'MXN' => '$',
-	'MYR' => 'RM',
-	'MZN' => 'MT',
-	'NAD' => '$',
-	'NGN' => '₦',
-	'NIO' => 'C$',
-	'NOK' => 'kr',
-	'NPR' => '₨',
-	'NZD' => '$',
-	'OMR' => 'ر.ع.',
-	'PAB' => 'B/.',
-	'PEN' => 'S/.',
-	'PGK' => 'K',
-	'PHP' => '₱',
-	'PKR' => '₨',
-	'PLN' => 'zł',
-	'PRB' => 'р.',
-	'PYG' => '₲',
-	'QAR' => 'ر.ق',
-	'RMB' => '¥',
-	'RON' => 'lei',
-	'RSD' => 'дин.',
-	'RUB' => '₽',
-	'RWF' => 'Fr',
-	'SAR' => 'ر.س',
-	'SBD' => '$',
-	'SCR' => '₨',
-	'SDG' => 'ج.س.',
-	'SEK' => 'kr',
-	'SGD' => '$',
-	'SHP' => '£',
-	'SLL' => 'Le',
-	'SOS' => 'Sh',
-	'SRD' => '$',
-	'SSP' => '£',
-	'STD' => 'Db',
-	'SYP' => 'ل.س',
-	'SZL' => 'L',
-	'THB' => '฿',
-	'TJS' => 'ЅМ',
-	'TMT' => 'm',
-	'TND' => 'د.ت',
-	'TOP' => 'T$',
-	'TRY' => '₺',
-	'TTD' => '$',
-	'TWD' => 'NT$',
-	'TZS' => 'Sh',
-	'UAH' => '₴',
-	'UGX' => 'UGX',
-	'USD' => '$',
-	'UYU' => '$',
-	'UZS' => 'UZS',
-	'VEF' => 'Bs.',
-	'VND' => '₫',
-	'VUV' => 'Vt',
-	'WST' => 'T',
-	'XAF' => 'Fr',
-	'XCD' => '$',
-	'XOF' => 'Fr',
-	'XPF' => 'Fr',
-	'YER' => '﷼',
-	'ZAR' => 'R',
-	'ZMW' => 'ZK',
+    'AED' => 'د.إ',
+    'AFN' => '؋',
+    'ALL' => 'L',
+    'AMD' => 'AMD',
+    'ANG' => 'ƒ',
+    'AOA' => 'Kz',
+    'ARS' => '$',
+    'AUD' => '$',
+    'AWG' => 'ƒ',
+    'AZN' => 'AZN',
+    'BAM' => 'KM',
+    'BBD' => '$',
+    'BDT' => '৳',
+    'BGN' => 'лв.',
+    'BHD' => '.د.ب',
+    'BIF' => 'Fr',
+    'BMD' => '$',
+    'BND' => '$',
+    'BOB' => 'Bs.',
+    'BRL' => 'R$',
+    'BSD' => '$',
+    'BTC' => '฿',
+    'BTN' => 'Nu.',
+    'BWP' => 'P',
+    'BYN' => 'Br',
+    'BZD' => '$',
+    'CAD' => '$',
+    'CDF' => 'Fr',
+    'CHF' => 'CHF',
+    'CLP' => '$',
+    'CNY' => '¥',
+    'COP' => '$',
+    'CRC' => '₡',
+    'CUC' => '$',
+    'CUP' => '$',
+    'CVE' => '$',
+    'CZK' => 'Kč',
+    'DJF' => 'Fr',
+    'DKK' => 'DKK',
+    'DOP' => 'RD$',
+    'DZD' => 'د.ج',
+    'EGP' => 'EGP',
+    'ERN' => 'Nfk',
+    'ETB' => 'Br',
+    'EUR' => '€',
+    'FJD' => '$',
+    'FKP' => '£',
+    'GBP' => '£',
+    'GEL' => 'ლ',
+    'GGP' => '£',
+    'GHS' => '₵',
+    'GIP' => '£',
+    'GMD' => 'D',
+    'GNF' => 'Fr',
+    'GTQ' => 'Q',
+    'GYD' => '$',
+    'HKD' => '$',
+    'HNL' => 'L',
+    'HRK' => 'Kn',
+    'HTG' => 'G',
+    'HUF' => 'Ft',
+    'IDR' => 'Rp',
+    'ILS' => '₪',
+    'IMP' => '£',
+    'INR' => '₹',
+    'IQD' => 'ع.د',
+    'IRR' => '﷼',
+    'IRT' => 'تومان',
+    'ISK' => 'kr.',
+    'JEP' => '£',
+    'JMD' => '$',
+    'JOD' => 'د.ا',
+    'JPY' => '¥',
+    'KES' => 'KSh',
+    'KGS' => 'сом',
+    'KHR' => '៛',
+    'KMF' => 'Fr',
+    'KPW' => '₩',
+    'KRW' => '₩',
+    'KWD' => 'د.ك',
+    'KYD' => '$',
+    'KZT' => 'KZT',
+    'LAK' => '₭',
+    'LBP' => 'ل.ل',
+    'LKR' => 'රු',
+    'LRD' => '$',
+    'LSL' => 'L',
+    'LYD' => 'ل.د',
+    'MAD' => 'د.م.',
+    'MDL' => 'MDL',
+    'MGA' => 'Ar',
+    'MKD' => 'ден',
+    'MMK' => 'Ks',
+    'MNT' => '₮',
+    'MOP' => 'P',
+    'MRO' => 'UM',
+    'MUR' => '₨',
+    'MVR' => '.ރ',
+    'MWK' => 'MK',
+    'MXN' => '$',
+    'MYR' => 'RM',
+    'MZN' => 'MT',
+    'NAD' => '$',
+    'NGN' => '₦',
+    'NIO' => 'C$',
+    'NOK' => 'kr',
+    'NPR' => '₨',
+    'NZD' => '$',
+    'OMR' => 'ر.ع.',
+    'PAB' => 'B/.',
+    'PEN' => 'S/.',
+    'PGK' => 'K',
+    'PHP' => '₱',
+    'PKR' => '₨',
+    'PLN' => 'zł',
+    'PRB' => 'р.',
+    'PYG' => '₲',
+    'QAR' => 'ر.ق',
+    'RMB' => '¥',
+    'RON' => 'lei',
+    'RSD' => 'дин.',
+    'RUB' => '₽',
+    'RWF' => 'Fr',
+    'SAR' => 'ر.س',
+    'SBD' => '$',
+    'SCR' => '₨',
+    'SDG' => 'ج.س.',
+    'SEK' => 'kr',
+    'SGD' => '$',
+    'SHP' => '£',
+    'SLL' => 'Le',
+    'SOS' => 'Sh',
+    'SRD' => '$',
+    'SSP' => '£',
+    'STD' => 'Db',
+    'SYP' => 'ل.س',
+    'SZL' => 'L',
+    'THB' => '฿',
+    'TJS' => 'ЅМ',
+    'TMT' => 'm',
+    'TND' => 'د.ت',
+    'TOP' => 'T$',
+    'TRY' => '₺',
+    'TTD' => '$',
+    'TWD' => 'NT$',
+    'TZS' => 'Sh',
+    'UAH' => '₴',
+    'UGX' => 'UGX',
+    'USD' => '$',
+    'UYU' => '$',
+    'UZS' => 'UZS',
+    'VEF' => 'Bs.',
+    'VND' => '₫',
+    'VUV' => 'Vt',
+    'WST' => 'T',
+    'XAF' => 'Fr',
+    'XCD' => '$',
+    'XOF' => 'Fr',
+    'XPF' => 'Fr',
+    'YER' => '﷼',
+    'ZAR' => 'R',
+    'ZMW' => 'ZK',
 );

includes/data/currencies.php

Indentation +161 added lines, -161 removed lines

@@ -11,165 +11,165 @@
 defined( 'ABSPATH' ) || exit;
 
 return array(
-	'USD' => __( 'US Dollar', 'invoicing' ),
-	'EUR' => __( 'Euro', 'invoicing' ),
-	'GBP' => __( 'Pound Sterling', 'invoicing' ),
-	'AED' => __( 'United Arab Emirates', 'invoicing' ),
-	'AFN' => __( 'Afghan Afghani', 'invoicing' ),
-	'ALL' => __( 'Albanian Lek', 'invoicing' ),
-	'AMD' => __( 'Armenian Dram', 'invoicing' ),
-	'ANG' => __( 'Netherlands Antillean Guilder', 'invoicing' ),
-	'AOA' => __( 'Angolan Kwanza', 'invoicing' ),
-	'ARS' => __( 'Argentine Peso', 'invoicing' ),
-	'AUD' => __( 'Australian Dollar', 'invoicing' ),
-	'AWG' => __( 'Aruban Florin', 'invoicing' ),
-	'AZN' => __( 'Azerbaijani Manat', 'invoicing' ),
-	'BAM' => __( 'Bosnia and Herzegovina Convertible Marka', 'invoicing' ),
-	'BBD' => __( 'Barbadian Dollar', 'invoicing' ),
-	'BDT' => __( 'Bangladeshi Taka', 'invoicing' ),
-	'BGN' => __( 'Bulgarian Lev', 'invoicing' ),
-	'BHD' => __( 'Bahraini Dinar', 'invoicing' ),
-	'BIF' => __( 'Burundian Franc', 'invoicing' ),
-	'BMD' => __( 'Bermudian Dollar', 'invoicing' ),
-	'BND' => __( 'Brunei Dollar', 'invoicing' ),
-	'BOB' => __( 'Bolivian Boliviano', 'invoicing' ),
-	'BRL' => __( 'Brazilian Real', 'invoicing' ),
-	'BSD' => __( 'Bahamian Dollar', 'invoicing' ),
-	'BTC' => __( 'Bitcoin', 'invoicing' ),
-	'BTN' => __( 'Bhutanese Ngultrum', 'invoicing' ),
-	'BWP' => __( 'Botswana Pula', 'invoicing' ),
-	'BYN' => __( 'Belarusian Ruble', 'invoicing' ),
-	'BZD' => __( 'Belize Dollar', 'invoicing' ),
-	'CAD' => __( 'Canadian Dollar', 'invoicing' ),
-	'CDF' => __( 'Congolese Franc', 'invoicing' ),
-	'CHF' => __( 'Swiss Franc', 'invoicing' ),
-	'CLP' => __( 'Chilean Peso', 'invoicing' ),
-	'CNY' => __( 'Chinese Yuan', 'invoicing' ),
-	'COP' => __( 'Colombian Peso', 'invoicing' ),
-	'CRC' => __( 'Costa Rican Colon', 'invoicing' ),
-	'CUC' => __( 'Cuban Convertible Peso', 'invoicing' ),
-	'CUP' => __( 'Cuban Peso', 'invoicing' ),
-	'CVE' => __( 'Cape Verdean escudo', 'invoicing' ),
-	'CZK' => __( 'Czech Koruna', 'invoicing' ),
-	'DJF' => __( 'Djiboutian Franc', 'invoicing' ),
-	'DKK' => __( 'Danish Krone', 'invoicing' ),
-	'DOP' => __( 'Dominican Peso', 'invoicing' ),
-	'DZD' => __( 'Algerian Dinar', 'invoicing' ),
-	'EGP' => __( 'Egyptian Pound', 'invoicing' ),
-	'ERN' => __( 'Eritrean Nakfa', 'invoicing' ),
-	'ETB' => __( 'Ethiopian Irr', 'invoicing' ),
-	'FJD' => __( 'Fijian Dollar', 'invoicing' ),
-	'FKP' => __( 'Falkland Islands Pound', 'invoicing' ),
-	'GEL' => __( 'Georgian Lari', 'invoicing' ),
-	'GGP' => __( 'Guernsey Pound', 'invoicing' ),
-	'GHS' => __( 'Ghana Cedi', 'invoicing' ),
-	'GIP' => __( 'Gibraltar Pound', 'invoicing' ),
-	'GMD' => __( 'Gambian Dalasi', 'invoicing' ),
-	'GNF' => __( 'Guinean Franc', 'invoicing' ),
-	'GTQ' => __( 'Guatemalan Quetzal', 'invoicing' ),
-	'GYD' => __( 'Guyanese Dollar', 'invoicing' ),
-	'HKD' => __( 'Hong Kong Dollar', 'invoicing' ),
-	'HNL' => __( 'Honduran Lempira', 'invoicing' ),
-	'HRK' => __( 'Croatian Kuna', 'invoicing' ),
-	'HTG' => __( 'Haitian Gourde', 'invoicing' ),
-	'HUF' => __( 'Hungarian Forint', 'invoicing' ),
-	'IDR' => __( 'Indonesian Rupiah', 'invoicing' ),
-	'ILS' => __( 'Israeli New Shekel', 'invoicing' ),
-	'IMP' => __( 'Manx Pound', 'invoicing' ),
-	'INR' => __( 'Indian Rupee', 'invoicing' ),
-	'IQD' => __( 'Iraqi Dinar', 'invoicing' ),
-	'IRR' => __( 'Iranian Rial', 'invoicing' ),
-	'IRT' => __( 'Iranian Toman', 'invoicing' ),
-	'ISK' => __( 'Icelandic Krona', 'invoicing' ),
-	'JEP' => __( 'Jersey Pound', 'invoicing' ),
-	'JMD' => __( 'Jamaican Dollar', 'invoicing' ),
-	'JOD' => __( 'Jordanian Dinar', 'invoicing' ),
-	'JPY' => __( 'Japanese Yen', 'invoicing' ),
-	'KES' => __( 'Kenyan Shilling', 'invoicing' ),
-	'KGS' => __( 'Kyrgyzstani Som', 'invoicing' ),
-	'KHR' => __( 'Cambodian Riel', 'invoicing' ),
-	'KMF' => __( 'Comorian Franc', 'invoicing' ),
-	'KPW' => __( 'North Korean Won', 'invoicing' ),
-	'KRW' => __( 'South Korean Won', 'invoicing' ),
-	'KWD' => __( 'Kuwaiti Dinar', 'invoicing' ),
-	'KYD' => __( 'Cayman Islands Dollar', 'invoicing' ),
-	'KZT' => __( 'Kazakhstani Tenge', 'invoicing' ),
-	'LAK' => __( 'Lao Kip', 'invoicing' ),
-	'LBP' => __( 'Lebanese Pound', 'invoicing' ),
-	'LKR' => __( 'Sri Lankan Rupee', 'invoicing' ),
-	'LRD' => __( 'Liberian Dollar', 'invoicing' ),
-	'LSL' => __( 'Lesotho Loti', 'invoicing' ),
-	'LYD' => __( 'Libyan Dinar', 'invoicing' ),
-	'MAD' => __( 'Moroccan Dirham', 'invoicing' ),
-	'MDL' => __( 'Moldovan Leu', 'invoicing' ),
-	'MGA' => __( 'Malagasy Ariary', 'invoicing' ),
-	'MKD' => __( 'Macedonian Denar', 'invoicing' ),
-	'MMK' => __( 'Burmese Kyat', 'invoicing' ),
-	'MNT' => __( 'Mongolian Tughrik', 'invoicing' ),
-	'MOP' => __( 'Macanese Pataca', 'invoicing' ),
-	'MRO' => __( 'Mauritanian Ouguiya', 'invoicing' ),
-	'MUR' => __( 'Mauritian Rupee', 'invoicing' ),
-	'MVR' => __( 'Maldivian Rufiyaa', 'invoicing' ),
-	'MWK' => __( 'Malawian Kwacha', 'invoicing' ),
-	'MXN' => __( 'Mexican Peso', 'invoicing' ),
-	'MYR' => __( 'Malaysian Ringgit', 'invoicing' ),
-	'MZN' => __( 'Mozambican Metical', 'invoicing' ),
-	'NAD' => __( 'Namibian Dollar', 'invoicing' ),
-	'NGN' => __( 'Nigerian Naira', 'invoicing' ),
-	'NIO' => __( 'Nicaraguan Cordoba', 'invoicing' ),
-	'NOK' => __( 'Norwegian Krone', 'invoicing' ),
-	'NPR' => __( 'Nepalese Rupee', 'invoicing' ),
-	'NZD' => __( 'New Zealand Dollar', 'invoicing' ),
-	'OMR' => __( 'Omani Rial', 'invoicing' ),
-	'PAB' => __( 'Panamanian Balboa', 'invoicing' ),
-	'PEN' => __( 'Peruvian Nuevo Sol', 'invoicing' ),
-	'PGK' => __( 'Papua New Guinean Kina', 'invoicing' ),
-	'PHP' => __( 'Philippine Peso', 'invoicing' ),
-	'PKR' => __( 'Pakistani Rupee', 'invoicing' ),
-	'PLN' => __( 'Polish Zloty', 'invoicing' ),
-	'PRB' => __( 'Transnistrian Ruble', 'invoicing' ),
-	'PYG' => __( 'Paraguayan Guarani', 'invoicing' ),
-	'QAR' => __( 'Qatari Riyal', 'invoicing' ),
-	'RON' => __( 'Romanian Leu', 'invoicing' ),
-	'RSD' => __( 'Serbian Dinar', 'invoicing' ),
-	'RUB' => __( 'Russian Ruble', 'invoicing' ),
-	'RWF' => __( 'Rwandan Franc', 'invoicing' ),
-	'SAR' => __( 'Saudi Riyal', 'invoicing' ),
-	'SBD' => __( 'Solomon Islands Dollar', 'invoicing' ),
-	'SCR' => __( 'Seychellois Rupee', 'invoicing' ),
-	'SDG' => __( 'Sudanese Pound', 'invoicing' ),
-	'SEK' => __( 'Swedish Krona', 'invoicing' ),
-	'SGD' => __( 'Singapore Dollar', 'invoicing' ),
-	'SHP' => __( 'Saint Helena Pound', 'invoicing' ),
-	'SLL' => __( 'Sierra Leonean Leone', 'invoicing' ),
-	'SOS' => __( 'Somali Shilling', 'invoicing' ),
-	'SRD' => __( 'Surinamese Dollar', 'invoicing' ),
-	'SSP' => __( 'South Sudanese Pound', 'invoicing' ),
-	'STD' => __( 'Sao Tomean Dobra', 'invoicing' ),
-	'SYP' => __( 'Syrian Pound', 'invoicing' ),
-	'SZL' => __( 'Swazi Lilangeni', 'invoicing' ),
-	'THB' => __( 'Thai Baht', 'invoicing' ),
-	'TJS' => __( 'Tajikistani Somoni', 'invoicing' ),
-	'TMT' => __( 'Turkmenistan Manat', 'invoicing' ),
-	'TND' => __( 'Tunisian Dinar', 'invoicing' ),
-	'TOP' => __( 'Tongan Paʻanga', 'invoicing' ),
-	'TRY' => __( 'Turkish Lira', 'invoicing' ),
-	'TTD' => __( 'Trinidad and Tobago Dollar', 'invoicing' ),
-	'TWD' => __( 'New Taiwan Dollar', 'invoicing' ),
-	'TZS' => __( 'Tanzanian Shilling', 'invoicing' ),
-	'UAH' => __( 'Ukrainian Hryvnia', 'invoicing' ),
-	'UGX' => __( 'Ugandan Shilling', 'invoicing' ),
-	'UYU' => __( 'Uruguayan Peso', 'invoicing' ),
-	'UZS' => __( 'Uzbekistani Som', 'invoicing' ),
-	'VEF' => __( 'Venezuelan Bolívar', 'invoicing' ),
-	'VND' => __( 'Vietnamese Dong', 'invoicing' ),
-	'VUV' => __( 'Vanuatu Vatu', 'invoicing' ),
-	'WST' => __( 'Samoan Tala', 'invoicing' ),
-	'XAF' => __( 'Central African CFA Franc', 'invoicing' ),
-	'XCD' => __( 'East Caribbean Dollar', 'invoicing' ),
-	'XOF' => __( 'West African CFA Franc', 'invoicing' ),
-	'XPF' => __( 'CFP Franc', 'invoicing' ),
-	'YER' => __( 'Yemeni Rial', 'invoicing' ),
-	'ZAR' => __( 'South African Rand', 'invoicing' ),
-	'ZMW' => __( 'Zambian Kwacha', 'invoicing' ),
+    'USD' => __( 'US Dollar', 'invoicing' ),
+    'EUR' => __( 'Euro', 'invoicing' ),
+    'GBP' => __( 'Pound Sterling', 'invoicing' ),
+    'AED' => __( 'United Arab Emirates', 'invoicing' ),
+    'AFN' => __( 'Afghan Afghani', 'invoicing' ),
+    'ALL' => __( 'Albanian Lek', 'invoicing' ),
+    'AMD' => __( 'Armenian Dram', 'invoicing' ),
+    'ANG' => __( 'Netherlands Antillean Guilder', 'invoicing' ),
+    'AOA' => __( 'Angolan Kwanza', 'invoicing' ),
+    'ARS' => __( 'Argentine Peso', 'invoicing' ),
+    'AUD' => __( 'Australian Dollar', 'invoicing' ),
+    'AWG' => __( 'Aruban Florin', 'invoicing' ),
+    'AZN' => __( 'Azerbaijani Manat', 'invoicing' ),
+    'BAM' => __( 'Bosnia and Herzegovina Convertible Marka', 'invoicing' ),
+    'BBD' => __( 'Barbadian Dollar', 'invoicing' ),
+    'BDT' => __( 'Bangladeshi Taka', 'invoicing' ),
+    'BGN' => __( 'Bulgarian Lev', 'invoicing' ),
+    'BHD' => __( 'Bahraini Dinar', 'invoicing' ),
+    'BIF' => __( 'Burundian Franc', 'invoicing' ),
+    'BMD' => __( 'Bermudian Dollar', 'invoicing' ),
+    'BND' => __( 'Brunei Dollar', 'invoicing' ),
+    'BOB' => __( 'Bolivian Boliviano', 'invoicing' ),
+    'BRL' => __( 'Brazilian Real', 'invoicing' ),
+    'BSD' => __( 'Bahamian Dollar', 'invoicing' ),
+    'BTC' => __( 'Bitcoin', 'invoicing' ),
+    'BTN' => __( 'Bhutanese Ngultrum', 'invoicing' ),
+    'BWP' => __( 'Botswana Pula', 'invoicing' ),
+    'BYN' => __( 'Belarusian Ruble', 'invoicing' ),
+    'BZD' => __( 'Belize Dollar', 'invoicing' ),
+    'CAD' => __( 'Canadian Dollar', 'invoicing' ),
+    'CDF' => __( 'Congolese Franc', 'invoicing' ),
+    'CHF' => __( 'Swiss Franc', 'invoicing' ),
+    'CLP' => __( 'Chilean Peso', 'invoicing' ),
+    'CNY' => __( 'Chinese Yuan', 'invoicing' ),
+    'COP' => __( 'Colombian Peso', 'invoicing' ),
+    'CRC' => __( 'Costa Rican Colon', 'invoicing' ),
+    'CUC' => __( 'Cuban Convertible Peso', 'invoicing' ),
+    'CUP' => __( 'Cuban Peso', 'invoicing' ),
+    'CVE' => __( 'Cape Verdean escudo', 'invoicing' ),
+    'CZK' => __( 'Czech Koruna', 'invoicing' ),
+    'DJF' => __( 'Djiboutian Franc', 'invoicing' ),
+    'DKK' => __( 'Danish Krone', 'invoicing' ),
+    'DOP' => __( 'Dominican Peso', 'invoicing' ),
+    'DZD' => __( 'Algerian Dinar', 'invoicing' ),
+    'EGP' => __( 'Egyptian Pound', 'invoicing' ),
+    'ERN' => __( 'Eritrean Nakfa', 'invoicing' ),
+    'ETB' => __( 'Ethiopian Irr', 'invoicing' ),
+    'FJD' => __( 'Fijian Dollar', 'invoicing' ),
+    'FKP' => __( 'Falkland Islands Pound', 'invoicing' ),
+    'GEL' => __( 'Georgian Lari', 'invoicing' ),
+    'GGP' => __( 'Guernsey Pound', 'invoicing' ),
+    'GHS' => __( 'Ghana Cedi', 'invoicing' ),
+    'GIP' => __( 'Gibraltar Pound', 'invoicing' ),
+    'GMD' => __( 'Gambian Dalasi', 'invoicing' ),
+    'GNF' => __( 'Guinean Franc', 'invoicing' ),
+    'GTQ' => __( 'Guatemalan Quetzal', 'invoicing' ),
+    'GYD' => __( 'Guyanese Dollar', 'invoicing' ),
+    'HKD' => __( 'Hong Kong Dollar', 'invoicing' ),
+    'HNL' => __( 'Honduran Lempira', 'invoicing' ),
+    'HRK' => __( 'Croatian Kuna', 'invoicing' ),
+    'HTG' => __( 'Haitian Gourde', 'invoicing' ),
+    'HUF' => __( 'Hungarian Forint', 'invoicing' ),
+    'IDR' => __( 'Indonesian Rupiah', 'invoicing' ),
+    'ILS' => __( 'Israeli New Shekel', 'invoicing' ),
+    'IMP' => __( 'Manx Pound', 'invoicing' ),
+    'INR' => __( 'Indian Rupee', 'invoicing' ),
+    'IQD' => __( 'Iraqi Dinar', 'invoicing' ),
+    'IRR' => __( 'Iranian Rial', 'invoicing' ),
+    'IRT' => __( 'Iranian Toman', 'invoicing' ),
+    'ISK' => __( 'Icelandic Krona', 'invoicing' ),
+    'JEP' => __( 'Jersey Pound', 'invoicing' ),
+    'JMD' => __( 'Jamaican Dollar', 'invoicing' ),
+    'JOD' => __( 'Jordanian Dinar', 'invoicing' ),
+    'JPY' => __( 'Japanese Yen', 'invoicing' ),
+    'KES' => __( 'Kenyan Shilling', 'invoicing' ),
+    'KGS' => __( 'Kyrgyzstani Som', 'invoicing' ),
+    'KHR' => __( 'Cambodian Riel', 'invoicing' ),
+    'KMF' => __( 'Comorian Franc', 'invoicing' ),
+    'KPW' => __( 'North Korean Won', 'invoicing' ),
+    'KRW' => __( 'South Korean Won', 'invoicing' ),
+    'KWD' => __( 'Kuwaiti Dinar', 'invoicing' ),
+    'KYD' => __( 'Cayman Islands Dollar', 'invoicing' ),
+    'KZT' => __( 'Kazakhstani Tenge', 'invoicing' ),
+    'LAK' => __( 'Lao Kip', 'invoicing' ),
+    'LBP' => __( 'Lebanese Pound', 'invoicing' ),
+    'LKR' => __( 'Sri Lankan Rupee', 'invoicing' ),
+    'LRD' => __( 'Liberian Dollar', 'invoicing' ),
+    'LSL' => __( 'Lesotho Loti', 'invoicing' ),
+    'LYD' => __( 'Libyan Dinar', 'invoicing' ),
+    'MAD' => __( 'Moroccan Dirham', 'invoicing' ),
+    'MDL' => __( 'Moldovan Leu', 'invoicing' ),
+    'MGA' => __( 'Malagasy Ariary', 'invoicing' ),
+    'MKD' => __( 'Macedonian Denar', 'invoicing' ),
+    'MMK' => __( 'Burmese Kyat', 'invoicing' ),
+    'MNT' => __( 'Mongolian Tughrik', 'invoicing' ),
+    'MOP' => __( 'Macanese Pataca', 'invoicing' ),
+    'MRO' => __( 'Mauritanian Ouguiya', 'invoicing' ),
+    'MUR' => __( 'Mauritian Rupee', 'invoicing' ),
+    'MVR' => __( 'Maldivian Rufiyaa', 'invoicing' ),
+    'MWK' => __( 'Malawian Kwacha', 'invoicing' ),
+    'MXN' => __( 'Mexican Peso', 'invoicing' ),
+    'MYR' => __( 'Malaysian Ringgit', 'invoicing' ),
+    'MZN' => __( 'Mozambican Metical', 'invoicing' ),
+    'NAD' => __( 'Namibian Dollar', 'invoicing' ),
+    'NGN' => __( 'Nigerian Naira', 'invoicing' ),
+    'NIO' => __( 'Nicaraguan Cordoba', 'invoicing' ),
+    'NOK' => __( 'Norwegian Krone', 'invoicing' ),
+    'NPR' => __( 'Nepalese Rupee', 'invoicing' ),
+    'NZD' => __( 'New Zealand Dollar', 'invoicing' ),
+    'OMR' => __( 'Omani Rial', 'invoicing' ),
+    'PAB' => __( 'Panamanian Balboa', 'invoicing' ),
+    'PEN' => __( 'Peruvian Nuevo Sol', 'invoicing' ),
+    'PGK' => __( 'Papua New Guinean Kina', 'invoicing' ),
+    'PHP' => __( 'Philippine Peso', 'invoicing' ),
+    'PKR' => __( 'Pakistani Rupee', 'invoicing' ),
+    'PLN' => __( 'Polish Zloty', 'invoicing' ),
+    'PRB' => __( 'Transnistrian Ruble', 'invoicing' ),
+    'PYG' => __( 'Paraguayan Guarani', 'invoicing' ),
+    'QAR' => __( 'Qatari Riyal', 'invoicing' ),
+    'RON' => __( 'Romanian Leu', 'invoicing' ),
+    'RSD' => __( 'Serbian Dinar', 'invoicing' ),
+    'RUB' => __( 'Russian Ruble', 'invoicing' ),
+    'RWF' => __( 'Rwandan Franc', 'invoicing' ),
+    'SAR' => __( 'Saudi Riyal', 'invoicing' ),
+    'SBD' => __( 'Solomon Islands Dollar', 'invoicing' ),
+    'SCR' => __( 'Seychellois Rupee', 'invoicing' ),
+    'SDG' => __( 'Sudanese Pound', 'invoicing' ),
+    'SEK' => __( 'Swedish Krona', 'invoicing' ),
+    'SGD' => __( 'Singapore Dollar', 'invoicing' ),
+    'SHP' => __( 'Saint Helena Pound', 'invoicing' ),
+    'SLL' => __( 'Sierra Leonean Leone', 'invoicing' ),
+    'SOS' => __( 'Somali Shilling', 'invoicing' ),
+    'SRD' => __( 'Surinamese Dollar', 'invoicing' ),
+    'SSP' => __( 'South Sudanese Pound', 'invoicing' ),
+    'STD' => __( 'Sao Tomean Dobra', 'invoicing' ),
+    'SYP' => __( 'Syrian Pound', 'invoicing' ),
+    'SZL' => __( 'Swazi Lilangeni', 'invoicing' ),
+    'THB' => __( 'Thai Baht', 'invoicing' ),
+    'TJS' => __( 'Tajikistani Somoni', 'invoicing' ),
+    'TMT' => __( 'Turkmenistan Manat', 'invoicing' ),
+    'TND' => __( 'Tunisian Dinar', 'invoicing' ),
+    'TOP' => __( 'Tongan Paʻanga', 'invoicing' ),
+    'TRY' => __( 'Turkish Lira', 'invoicing' ),
+    'TTD' => __( 'Trinidad and Tobago Dollar', 'invoicing' ),
+    'TWD' => __( 'New Taiwan Dollar', 'invoicing' ),
+    'TZS' => __( 'Tanzanian Shilling', 'invoicing' ),
+    'UAH' => __( 'Ukrainian Hryvnia', 'invoicing' ),
+    'UGX' => __( 'Ugandan Shilling', 'invoicing' ),
+    'UYU' => __( 'Uruguayan Peso', 'invoicing' ),
+    'UZS' => __( 'Uzbekistani Som', 'invoicing' ),
+    'VEF' => __( 'Venezuelan Bolívar', 'invoicing' ),
+    'VND' => __( 'Vietnamese Dong', 'invoicing' ),
+    'VUV' => __( 'Vanuatu Vatu', 'invoicing' ),
+    'WST' => __( 'Samoan Tala', 'invoicing' ),
+    'XAF' => __( 'Central African CFA Franc', 'invoicing' ),
+    'XCD' => __( 'East Caribbean Dollar', 'invoicing' ),
+    'XOF' => __( 'West African CFA Franc', 'invoicing' ),
+    'XPF' => __( 'CFP Franc', 'invoicing' ),
+    'YER' => __( 'Yemeni Rial', 'invoicing' ),
+    'ZAR' => __( 'South African Rand', 'invoicing' ),
+    'ZMW' => __( 'Zambian Kwacha', 'invoicing' ),
 );

includes/api/class-wpinv-rest-items-controller.php

Indentation +163 added lines, -163 removed lines

@@ -15,172 +15,172 @@
 class WPInv_REST_Items_Controller extends GetPaid_REST_Posts_Controller {
 
     /**
-	 * Post type.
-	 *
-	 * @var string
-	 */
-	protected $post_type = 'wpi_item';
+     * Post type.
+     *
+     * @var string
+     */
+    protected $post_type = 'wpi_item';
 	
-	/**
-	 * The base of this controller's route.
-	 *
-	 * @since 1.0.13
-	 * @var string
-	 */
-	protected $rest_base = 'items';
-
-	/** Contains this controller's class name.
-	 *
-	 * @var string
-	 */
-	public $crud_class = 'WPInv_Item';
-
-	/**
-	 * Registers the routes for the objects of the controller.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @see register_rest_route()
-	 */
-	public function register_namespace_routes( $namespace ) {
-
-		parent::register_namespace_routes( $namespace );
-
-		register_rest_route(
-			$this->namespace,
-			'/' . $this->rest_base . '/item-types',
-			array(
-				array(
-					'methods'             => WP_REST_Server::READABLE,
-					'callback'            => array( $this, 'get_item_types' ),
-					'permission_callback' => array( $this, 'get_items_permissions_check' ),
-				),
-			)
-		);
-
-	}
-
-	/**
-	 * Handles rest requests for item types.
-	 *
-	 * @since 1.0.13
-	 * 
-	 * 
-	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
-	 */
-	public function get_item_types() {
-		return rest_ensure_response( wpinv_get_item_types() );
-	}
+    /**
+     * The base of this controller's route.
+     *
+     * @since 1.0.13
+     * @var string
+     */
+    protected $rest_base = 'items';
+
+    /** Contains this controller's class name.
+     *
+     * @var string
+     */
+    public $crud_class = 'WPInv_Item';
+
+    /**
+     * Registers the routes for the objects of the controller.
+     *
+     * @since 1.0.19
+     *
+     * @see register_rest_route()
+     */
+    public function register_namespace_routes( $namespace ) {
+
+        parent::register_namespace_routes( $namespace );
+
+        register_rest_route(
+            $this->namespace,
+            '/' . $this->rest_base . '/item-types',
+            array(
+                array(
+                    'methods'             => WP_REST_Server::READABLE,
+                    'callback'            => array( $this, 'get_item_types' ),
+                    'permission_callback' => array( $this, 'get_items_permissions_check' ),
+                ),
+            )
+        );
+
+    }
+
+    /**
+     * Handles rest requests for item types.
+     *
+     * @since 1.0.13
+     * 
+     * 
+     * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+     */
+    public function get_item_types() {
+        return rest_ensure_response( wpinv_get_item_types() );
+    }
+
+    /**
+     * Retrieves the query params for the items collection.
+     *
+     * @since 1.0.13
+     *
+     * @return array Collection parameters.
+     */
+    public function get_collection_params() {
+
+        $params = array_merge(
+
+            parent::get_collection_params(),
+
+            array(
+
+                // Item types
+                'type'                  => array(
+                    'description'       => __( 'Type of items to fetch.', 'invoicing' ),
+                    'type'              => array( 'array', 'string' ),
+                    'default'           => 'any',
+                    'validate_callback' => 'rest_validate_request_arg',
+                    'sanitize_callback' => 'wpinv_parse_list',
+                    'items'             => array(
+                        'enum'          => array_merge( array( 'any' ), wpinv_item_types() ),
+                        'type'          => 'string',
+                    ),
+                ),
+
+            )
+        );
+
+        // Filter collection parameters for the items controller.
+        return apply_filters( 'getpaid_rest_items_collection_params', $params, $this );
+
+    }
+
+    /**
+     * Determine the allowed query_vars for a get_items() response and
+     * prepare for WP_Query.
+     *
+     * @param array           $prepared_args Prepared arguments.
+     * @param WP_REST_Request $request Request object.
+     * @return array          $query_args
+     */
+    protected function prepare_items_query( $prepared_args = array(), $request = null ) {
+
+        $query_args = parent::prepare_items_query( $prepared_args );
+
+        // Retrieve items by type.
+        if ( ! in_array( 'any', $request['type'] ) ) {
+
+            if ( empty( $query_args['meta_query'] ) ) {
+                $query_args['meta_query'] = array();
+            }
+
+            $query_args['meta_query'][] = array(
+                'key'     => '_wpinv_type',
+                'value'   => implode( ',', $request['type'] ),
+                'compare' => 'IN',
+            );
+
+        }
+
+        return apply_filters( 'getpaid_rest_items_prepare_items_query', $query_args, $request, $this );
+
+    }
+
+    /**
+     * Retrieves a valid list of post statuses.
+     *
+     * @since 1.0.15
+     *
+     * @return array A list of registered item statuses.
+     */
+    public function get_post_statuses() {
+        return array( 'draft', 'pending', 'publish' );
+    }
 
     /**
-	 * Retrieves the query params for the items collection.
-	 *
-	 * @since 1.0.13
-	 *
-	 * @return array Collection parameters.
-	 */
-	public function get_collection_params() {
-
-		$params = array_merge(
-
-			parent::get_collection_params(),
-
-        	array(
-
-				// Item types
-				'type'                  => array(
-					'description'       => __( 'Type of items to fetch.', 'invoicing' ),
-					'type'              => array( 'array', 'string' ),
-					'default'           => 'any',
-					'validate_callback' => 'rest_validate_request_arg',
-					'sanitize_callback' => 'wpinv_parse_list',
-					'items'             => array(
-						'enum'          => array_merge( array( 'any' ), wpinv_item_types() ),
-						'type'          => 'string',
-					),
-				),
-
-			)
-		);
-
-		// Filter collection parameters for the items controller.
-		return apply_filters( 'getpaid_rest_items_collection_params', $params, $this );
-
-	}
-
-	/**
-	 * Determine the allowed query_vars for a get_items() response and
-	 * prepare for WP_Query.
-	 *
-	 * @param array           $prepared_args Prepared arguments.
-	 * @param WP_REST_Request $request Request object.
-	 * @return array          $query_args
-	 */
-	protected function prepare_items_query( $prepared_args = array(), $request = null ) {
-
-		$query_args = parent::prepare_items_query( $prepared_args );
-
-		// Retrieve items by type.
-		if ( ! in_array( 'any', $request['type'] ) ) {
-
-			if ( empty( $query_args['meta_query'] ) ) {
-				$query_args['meta_query'] = array();
-			}
-
-			$query_args['meta_query'][] = array(
-				'key'     => '_wpinv_type',
-				'value'   => implode( ',', $request['type'] ),
-				'compare' => 'IN',
-			);
-
-		}
-
-		return apply_filters( 'getpaid_rest_items_prepare_items_query', $query_args, $request, $this );
-
-	}
-
-	/**
-	 * Retrieves a valid list of post statuses.
-	 *
-	 * @since 1.0.15
-	 *
-	 * @return array A list of registered item statuses.
-	 */
-	public function get_post_statuses() {
-		return array( 'draft', 'pending', 'publish' );
-	}
-
-	/**
-	 * Checks if a key should be included in a response.
-	 *
-	 * @since  1.0.19
-	 * @param  WPInv_Item   $item  Item object.
-	 * @param  string       $field_key The key to check for.
-	 * @return bool
-	 */
-	public function object_supports_field( $item, $field_key ) {
-
-		if ( 'minimum_price' == $field_key && ! $item->user_can_set_their_price() ) {
-			return false;
-		}
-
-		foreach( wpinv_parse_list( 'initial_price the_initial_price recurring_price the_recurring_price recurring_period recurring_interval recurring_limit is_free_trial trial_period trial_interval first_renewal_date' ) as $key ) {
-
-			if ( $key == $field_key && ! $item->is_recurring() ) {
-				return false;
-			}
-
-		}
-
-		foreach( wpinv_parse_list( 'trial_period trial_interval' ) as $key ) {
-
-			if ( $key == $field_key && ! $item->has_free_trial() ) {
-				return false;
-			}
-
-		}
+     * Checks if a key should be included in a response.
+     *
+     * @since  1.0.19
+     * @param  WPInv_Item   $item  Item object.
+     * @param  string       $field_key The key to check for.
+     * @return bool
+     */
+    public function object_supports_field( $item, $field_key ) {
+
+        if ( 'minimum_price' == $field_key && ! $item->user_can_set_their_price() ) {
+            return false;
+        }
+
+        foreach( wpinv_parse_list( 'initial_price the_initial_price recurring_price the_recurring_price recurring_period recurring_interval recurring_limit is_free_trial trial_period trial_interval first_renewal_date' ) as $key ) {
+
+            if ( $key == $field_key && ! $item->is_recurring() ) {
+                return false;
+            }
+
+        }
+
+        foreach( wpinv_parse_list( 'trial_period trial_interval' ) as $key ) {
+
+            if ( $key == $field_key && ! $item->has_free_trial() ) {
+                return false;
+            }
+
+        }
 
-		return parent::object_supports_field( $item, $field_key );
-	}
+        return parent::object_supports_field( $item, $field_key );
+    }
 
 }

includes/api/class-wpinv-rest-discounts-controller.php

Indentation +131 added lines, -131 removed lines

@@ -15,138 +15,138 @@
 class WPInv_REST_Discounts_Controller extends GetPaid_REST_Posts_Controller {
 
     /**
-	 * Post type.
-	 *
-	 * @var string
-	 */
-	protected $post_type = 'wpi_discount';
-
-	/**
-	 * The base of this controller's route.
-	 *
-	 * @since 1.0.13
-	 * @var string
-	 */
-	protected $rest_base = 'discounts';
-
-	/** Contains this controller's class name.
-	 *
-	 * @var string
-	 */
-	public $crud_class = 'WPInv_Discount';
-
-	/**
-	 * Registers the routes for the objects of the controller.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @see register_rest_route()
-	 */
-	public function register_namespace_routes( $namespace ) {
-
-		parent::register_namespace_routes( $namespace );
-
-		register_rest_route(
-			$this->namespace,
-			'/' . $this->rest_base . '/discount-types',
-			array(
-				array(
-					'methods'             => WP_REST_Server::READABLE,
-					'callback'            => array( $this, 'get_discount_types' ),
-					'permission_callback' => array( $this, 'get_items_permissions_check' ),
-				),
-			)
-		);
-
-	}
-
-	/**
-	 * Handles rest requests for discount types.
-	 *
-	 * @since 1.0.13
-	 *
-	 *
-	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
-	 */
-	public function get_discount_types() {
-		return rest_ensure_response( wpinv_get_discount_types() );
-	}
+     * Post type.
+     *
+     * @var string
+     */
+    protected $post_type = 'wpi_discount';
 
     /**
-	 * Retrieves the query params for the discount collection.
-	 *
-	 * @since 1.0.13
-	 *
-	 * @return array Collection parameters.
-	 */
-	public function get_collection_params() {
-
-		$params = array_merge(
-
-			parent::get_collection_params(),
-
-        	array(
-
-				// Discount types
-				'type'                  => array(
-					'description'       => __( 'Type of discounts to fetch.', 'invoicing' ),
-					'type'              => array( 'array', 'string' ),
-					'default'           => 'any',
-					'validate_callback' => 'rest_validate_request_arg',
-					'sanitize_callback' => 'wpinv_parse_list',
-					'items'             => array(
-						'enum'          => array_merge( array( 'any' ), array_keys( wpinv_get_discount_types() ) ),
-						'type'          => 'string',
-					),
-				),
-
-			)
-		);
-
-		// Filter collection parameters for the discounts controller.
-		return apply_filters( 'getpaid_rest_discounts_collection_params', $params, $this );
-	}
-
-	/**
-	 * Determine the allowed query_vars for a get_items() response and
-	 * prepare for WP_Query.
-	 *
-	 * @param array           $prepared_args Prepared arguments.
-	 * @param WP_REST_Request $request Request object.
-	 * @return array          $query_args
-	 */
-	protected function prepare_items_query( $prepared_args = array(), $request = null ) {
-
-		$query_args = parent::prepare_items_query( $prepared_args );
-
-		// Retrieve items by type.
-		if ( ! in_array( 'any', $request['type'] ) ) {
-
-			if ( empty( $query_args['meta_query'] ) ) {
-				$query_args['meta_query'] = array();
-			}
-
-			$query_args['meta_query'][] = array(
-				'key'     => '_wpi_discount_type',
-				'value'   => implode( ',', $request['type'] ),
-				'compare' => 'IN',
-			);
-
-		}
-
-		return apply_filters( 'getpaid_rest_discounts_prepare_items_query', $query_args, $request, $this );
-
-	}
-
-	/**
-	 * Retrieves a valid list of post statuses.
-	 *
-	 * @since 1.0.15
-	 *
-	 * @return array A list of registered item statuses.
-	 */
-	public function get_post_statuses() {
-		return array( 'publish', 'pending', 'draft', 'expired' );
-	}
+     * The base of this controller's route.
+     *
+     * @since 1.0.13
+     * @var string
+     */
+    protected $rest_base = 'discounts';
+
+    /** Contains this controller's class name.
+     *
+     * @var string
+     */
+    public $crud_class = 'WPInv_Discount';
+
+    /**
+     * Registers the routes for the objects of the controller.
+     *
+     * @since 1.0.19
+     *
+     * @see register_rest_route()
+     */
+    public function register_namespace_routes( $namespace ) {
+
+        parent::register_namespace_routes( $namespace );
+
+        register_rest_route(
+            $this->namespace,
+            '/' . $this->rest_base . '/discount-types',
+            array(
+                array(
+                    'methods'             => WP_REST_Server::READABLE,
+                    'callback'            => array( $this, 'get_discount_types' ),
+                    'permission_callback' => array( $this, 'get_items_permissions_check' ),
+                ),
+            )
+        );
+
+    }
+
+    /**
+     * Handles rest requests for discount types.
+     *
+     * @since 1.0.13
+     *
+     *
+     * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
+     */
+    public function get_discount_types() {
+        return rest_ensure_response( wpinv_get_discount_types() );
+    }
+
+    /**
+     * Retrieves the query params for the discount collection.
+     *
+     * @since 1.0.13
+     *
+     * @return array Collection parameters.
+     */
+    public function get_collection_params() {
+
+        $params = array_merge(
+
+            parent::get_collection_params(),
+
+            array(
+
+                // Discount types
+                'type'                  => array(
+                    'description'       => __( 'Type of discounts to fetch.', 'invoicing' ),
+                    'type'              => array( 'array', 'string' ),
+                    'default'           => 'any',
+                    'validate_callback' => 'rest_validate_request_arg',
+                    'sanitize_callback' => 'wpinv_parse_list',
+                    'items'             => array(
+                        'enum'          => array_merge( array( 'any' ), array_keys( wpinv_get_discount_types() ) ),
+                        'type'          => 'string',
+                    ),
+                ),
+
+            )
+        );
+
+        // Filter collection parameters for the discounts controller.
+        return apply_filters( 'getpaid_rest_discounts_collection_params', $params, $this );
+    }
+
+    /**
+     * Determine the allowed query_vars for a get_items() response and
+     * prepare for WP_Query.
+     *
+     * @param array           $prepared_args Prepared arguments.
+     * @param WP_REST_Request $request Request object.
+     * @return array          $query_args
+     */
+    protected function prepare_items_query( $prepared_args = array(), $request = null ) {
+
+        $query_args = parent::prepare_items_query( $prepared_args );
+
+        // Retrieve items by type.
+        if ( ! in_array( 'any', $request['type'] ) ) {
+
+            if ( empty( $query_args['meta_query'] ) ) {
+                $query_args['meta_query'] = array();
+            }
+
+            $query_args['meta_query'][] = array(
+                'key'     => '_wpi_discount_type',
+                'value'   => implode( ',', $request['type'] ),
+                'compare' => 'IN',
+            );
+
+        }
+
+        return apply_filters( 'getpaid_rest_discounts_prepare_items_query', $query_args, $request, $this );
+
+    }
+
+    /**
+     * Retrieves a valid list of post statuses.
+     *
+     * @since 1.0.15
+     *
+     * @return array A list of registered item statuses.
+     */
+    public function get_post_statuses() {
+        return array( 'publish', 'pending', 'draft', 'expired' );
+    }
 
 }

includes/data/discount-schema.php

Indentation +162 added lines, -162 removed lines

@@ -13,168 +13,168 @@
 
 return array(
 
-	'id'              => array(
-		'description' => __( 'Unique identifier for the discount.', 'invoicing' ),
-		'type'        => 'integer',
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'readonly'    => true,
-	),
-
-	'status'          => array(
-		'description' => __( 'A named status for the discount.', 'invoicing' ),
-		'type'        => 'string',
-		'enum'        => array( 'publish', 'pending', 'draft', 'expired' ),
-		'default'     => 'draft',
-		'context'     => array( 'view', 'edit', 'embed' ),
-	),
-
-	'version'         => array(
-		'description' => __( 'Plugin version when the discount was created.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'readonly'    => true,
-	),
-
-	'date_created'    => array(
-		'description' => __( "The date the discount was created, in the site's timezone.", 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-	),
-
-	'date_created_gmt'    => array(
-		'description' => __( 'The GMT date the discount was created.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'readonly'    => true,
-	),
-
-	'date_modified'   => array(
-		'description' => __( "The date the discount was last modified, in the site's timezone.", 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'readonly'    => true,
-	),
-
-	'date_modified_gmt'    => array(
-		'description' => __( 'The GMT date the discount was last modified.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'readonly'    => true,
-	),
-
-	'name'			  => array(
-		'description' => __( 'The discount name.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-	),
-
-	'description'     => array(
-		'description' => __( 'A description of what the discount is all about.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-	),
-
-	'code'            => array(
-		'description' => __( 'The discount code.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'required'	  => true,
-	),
-
-	'type'            => array(
-		'description' => __( 'The type of discount.', 'invoicing' ),
-		'type'        => 'string',
-		'enum'        => array_keys( wpinv_get_discount_types() ),
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'default'	  => 'percent',
-	),
-
-	'amount'        => array(
-		'description' => __( 'The discount value.', 'invoicing' ),
-		'type'        => 'number',
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'required'	  => true,
-	),
-
-	'formatted_amount'        => array(
-		'description' => __( 'The formatted discount value.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit', 'embed' ),
-		'readonly'    => true,
-	),
-
-	'uses'            => array(
-		'description' => __( 'The number of times the discount has been used.', 'invoicing' ),
-		'type'        => 'integer',
-		'context'     => array( 'view', 'embed' ),
-		'readonly'    => true,
-	),
-
-	'max_uses'        => array(
-		'description' => __( 'The maximum number of times the discount can be used.', 'invoicing' ),
-		'type'        => 'integer',
-		'context'     => array( 'view', 'edit' ),
-	),
-
-	'usage'           => array(
-		'description' => __( "The discount's usage, i.e uses / max uses.", 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'embed' ),
-		'readonly'    => true,
-	),
-
-	'is_single_use'   => array(
-		'description' => __( 'Whether or not the discount can only be used once per user.', 'invoicing' ),
-		'type'        => 'boolean',
-		'context'     => array( 'view', 'edit' ),
-	),
-
-	'is_recurring'   => array(
-		'description' => __( 'Whether or not the discount applies to the initial payment only or all recurring payments.', 'invoicing' ),
-		'type'        => 'boolean',
-		'context'     => array( 'view', 'edit' ),
-	),
-
-	'start_date'      => array(
-		'description' => __( 'The start date for the discount in the format of yyyy-mm-dd hh:mm:ss. If provided, the discount can only be used after or on this date.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit' ),
-	),
-
-	'end_date'        => array(
-		'description' => __( 'The expiration date for the discount.', 'invoicing' ),
-		'type'        => 'string',
-		'context'     => array( 'view', 'edit' ),
-	),
-
-	'allowed_items'   => array(
-		'description' => __( 'Items which are allowed to use this discount. Leave blank to enable for all items.', 'invoicing' ),
-		'type'        => 'array',
-		'context'     => array( 'view', 'edit' ),
-		'items'       => array(
-			'type'    => 'integer'
-		)
-	),
-
-	'excluded_items'  => array(
-		'description' => __( 'Items which are NOT allowed to use this discount.', 'invoicing' ),
-		'type'        => 'array',
-		'context'     => array( 'view', 'edit' ),
-		'items'       => array(
-			'type'    => 'integer'
-		)
-	),
+    'id'              => array(
+        'description' => __( 'Unique identifier for the discount.', 'invoicing' ),
+        'type'        => 'integer',
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'readonly'    => true,
+    ),
+
+    'status'          => array(
+        'description' => __( 'A named status for the discount.', 'invoicing' ),
+        'type'        => 'string',
+        'enum'        => array( 'publish', 'pending', 'draft', 'expired' ),
+        'default'     => 'draft',
+        'context'     => array( 'view', 'edit', 'embed' ),
+    ),
+
+    'version'         => array(
+        'description' => __( 'Plugin version when the discount was created.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'readonly'    => true,
+    ),
+
+    'date_created'    => array(
+        'description' => __( "The date the discount was created, in the site's timezone.", 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+    ),
+
+    'date_created_gmt'    => array(
+        'description' => __( 'The GMT date the discount was created.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'readonly'    => true,
+    ),
+
+    'date_modified'   => array(
+        'description' => __( "The date the discount was last modified, in the site's timezone.", 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'readonly'    => true,
+    ),
+
+    'date_modified_gmt'    => array(
+        'description' => __( 'The GMT date the discount was last modified.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'readonly'    => true,
+    ),
+
+    'name'			  => array(
+        'description' => __( 'The discount name.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+    ),
+
+    'description'     => array(
+        'description' => __( 'A description of what the discount is all about.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+    ),
+
+    'code'            => array(
+        'description' => __( 'The discount code.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'required'	  => true,
+    ),
+
+    'type'            => array(
+        'description' => __( 'The type of discount.', 'invoicing' ),
+        'type'        => 'string',
+        'enum'        => array_keys( wpinv_get_discount_types() ),
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'default'	  => 'percent',
+    ),
+
+    'amount'        => array(
+        'description' => __( 'The discount value.', 'invoicing' ),
+        'type'        => 'number',
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'required'	  => true,
+    ),
+
+    'formatted_amount'        => array(
+        'description' => __( 'The formatted discount value.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit', 'embed' ),
+        'readonly'    => true,
+    ),
+
+    'uses'            => array(
+        'description' => __( 'The number of times the discount has been used.', 'invoicing' ),
+        'type'        => 'integer',
+        'context'     => array( 'view', 'embed' ),
+        'readonly'    => true,
+    ),
+
+    'max_uses'        => array(
+        'description' => __( 'The maximum number of times the discount can be used.', 'invoicing' ),
+        'type'        => 'integer',
+        'context'     => array( 'view', 'edit' ),
+    ),
+
+    'usage'           => array(
+        'description' => __( "The discount's usage, i.e uses / max uses.", 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'embed' ),
+        'readonly'    => true,
+    ),
+
+    'is_single_use'   => array(
+        'description' => __( 'Whether or not the discount can only be used once per user.', 'invoicing' ),
+        'type'        => 'boolean',
+        'context'     => array( 'view', 'edit' ),
+    ),
+
+    'is_recurring'   => array(
+        'description' => __( 'Whether or not the discount applies to the initial payment only or all recurring payments.', 'invoicing' ),
+        'type'        => 'boolean',
+        'context'     => array( 'view', 'edit' ),
+    ),
+
+    'start_date'      => array(
+        'description' => __( 'The start date for the discount in the format of yyyy-mm-dd hh:mm:ss. If provided, the discount can only be used after or on this date.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit' ),
+    ),
+
+    'end_date'        => array(
+        'description' => __( 'The expiration date for the discount.', 'invoicing' ),
+        'type'        => 'string',
+        'context'     => array( 'view', 'edit' ),
+    ),
+
+    'allowed_items'   => array(
+        'description' => __( 'Items which are allowed to use this discount. Leave blank to enable for all items.', 'invoicing' ),
+        'type'        => 'array',
+        'context'     => array( 'view', 'edit' ),
+        'items'       => array(
+            'type'    => 'integer'
+        )
+    ),
+
+    'excluded_items'  => array(
+        'description' => __( 'Items which are NOT allowed to use this discount.', 'invoicing' ),
+        'type'        => 'array',
+        'context'     => array( 'view', 'edit' ),
+        'items'       => array(
+            'type'    => 'integer'
+        )
+    ),
 	
-	'minimum_total'   => array(
-		'description' => __( 'The minimum total needed to use this invoice.', 'invoicing' ),
-		'type'        => 'number',
-		'context'     => array( 'view', 'edit' ),
-	),
-
-	'maximum_total'   => array(
-		'description' => __( 'The maximum total needed to use this invoice.', 'invoicing' ),
-		'type'        => 'number',
-		'context'     => array( 'view', 'edit' ),
-	),
+    'minimum_total'   => array(
+        'description' => __( 'The minimum total needed to use this invoice.', 'invoicing' ),
+        'type'        => 'number',
+        'context'     => array( 'view', 'edit' ),
+    ),
+
+    'maximum_total'   => array(
+        'description' => __( 'The maximum total needed to use this invoice.', 'invoicing' ),
+        'type'        => 'number',
+        'context'     => array( 'view', 'edit' ),
+    ),
 
 );

uninstall.php

Indentation +1 added lines, -1 removed lines

@@ -1,7 +1,7 @@
 <?php
 
 if ( ! defined( 'WP_UNINSTALL_PLUGIN' ) ) {
-	exit;
+    exit;
 }
 
 global $wpdb;

includes/api/class-getpaid-rest-controller.php

Indentation +542 added lines, -542 removed lines

@@ -21,570 +21,570 @@
  */
 class GetPaid_REST_Controller extends WP_REST_Controller {
 
-	/**
+    /**
      * The namespaces of this controller's route.
      *
      * @since 1.0.19
      * @var array
      */
-	protected $namespaces;
+    protected $namespaces;
 
-	/**
+    /**
      * The official namespace of this controller's route.
      *
      * @since 1.0.19
      * @var string
      */
-	protected $namespace = 'getpaid/v1';
+    protected $namespace = 'getpaid/v1';
 
-	/**
+    /**
      * Cached results of get_item_schema.
      *
      * @since 1.0.19
      * @var array
      */
-	protected $schema;
+    protected $schema;
 
     /**
-	 * Constructor.
-	 *
-	 * @since 1.0.19
-	 *
-	 */
-	public function __construct() {
-
-		// Offer several namespaces for backwards compatibility.
-		$this->namespaces = apply_filters(
-			'getpaid_rest_api_namespaces',
-			array(
-				'getpaid/v1',
-				'invoicing/v1',
-				'wpi/v1'
-			)
-		);
-
-		// Register REST routes.
+     * Constructor.
+     *
+     * @since 1.0.19
+     *
+     */
+    public function __construct() {
+
+        // Offer several namespaces for backwards compatibility.
+        $this->namespaces = apply_filters(
+            'getpaid_rest_api_namespaces',
+            array(
+                'getpaid/v1',
+                'invoicing/v1',
+                'wpi/v1'
+            )
+        );
+
+        // Register REST routes.
         add_action( 'rest_api_init', array( $this, 'register_routes' ) );
 
-	}
-
-	/**
-	 * Registers routes for each namespace.
-	 *
-	 * @since 1.0.19
-	 *
-	 */
-	public function register_routes() {
-
-		foreach ( $this->namespaces as $namespace ) {
-			$this->register_namespace_routes( $namespace );
-		}
-
-	}
-
-	/**
-	 * Registers routes for a namespace.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @param string $namespace
-	 */
-	public function register_namespace_routes( /** @scrutinizer ignore-unused */ $namespace ) {
-
-		getpaid_doing_it_wrong(
-			__CLASS__ . '::' .__METHOD__,
-			/* translators: %s: register_namespace_routes() */
-			sprintf( __( "Method '%s' must be overridden." ), __METHOD__ ),
-			'1.0.19'
-		);
-
-	}
-
-	/**
-	 * Get normalized rest base.
-	 *
-	 * @return string
-	 */
-	protected function get_normalized_rest_base() {
-		return preg_replace( '/\(.*\)\//i', '', $this->rest_base );
-	}
-
-	/**
-	 * Fill batches.
-	 *
-	 * @param array array of request items.
-	 * @return array
-	 */
-	protected function fill_batch_keys( $items ) {
-
-		$items['create'] = empty( $items['create'] ) ? array() : $items['create'];
-		$items['update'] = empty( $items['update'] ) ? array() : $items['update'];
-		$items['delete'] = empty( $items['delete'] ) ? array() : wp_parse_id_list( $items['delete'] );
-		return $items;
-
-	}
-
-	/**
-	 * Check batch limit.
-	 *
-	 * @param array $items Request items.
-	 * @return bool|WP_Error
-	 */
-	protected function check_batch_limit( $items ) {
-		$limit = apply_filters( 'getpaid_rest_batch_items_limit', 100, $this->get_normalized_rest_base() );
-		$total = count( $items['create'] ) + count( $items['update'] ) + count( $items['delete'] );
-
-		if ( $total > $limit ) {
-			/* translators: %s: items limit */
-			return new WP_Error( 'getpaid_rest_request_entity_too_large', sprintf( __( 'Unable to accept more than %s items for this request.', 'invoicing' ), $limit ), array( 'status' => 413 ) );
-		}
-
-		return true;
-	}
-
-	/**
-	 * Bulk create items.
-	 *
-	 * @param array $items Array of items to create.
-	 * @param WP_REST_Request $request Full details about the request.
-	 * @param WP_REST_Server $wp_rest_server
-	 * @return array()
-	 */
-	protected function batch_create_items( $items, $request, $wp_rest_server ) {
-
-		$query  = $request->get_query_params();
-		$create = array();
-
-		foreach ( $items as $item ) {
-			$_item = new WP_REST_Request( 'POST' );
-
-			// Default parameters.
-			$defaults = array();
-			$schema   = $this->get_public_item_schema();
-			foreach ( $schema['properties'] as $arg => $options ) {
-				if ( isset( $options['default'] ) ) {
-					$defaults[ $arg ] = $options['default'];
-				}
-			}
-			$_item->set_default_params( $defaults );
-
-			// Set request parameters.
-			$_item->set_body_params( $item );
-
-			// Set query (GET) parameters.
-			$_item->set_query_params( $query );
-
-			// Create the item.
-			$_response = $this->create_item( $_item );
-
-			// If an error occured...
-			if ( is_wp_error( $_response ) ) {
-
-				$create[]   = array(
-					'id'    => 0,
-					'error' => array(
-						'code'    => $_response->get_error_code(),
-						'message' => $_response->get_error_message(),
-						'data'    => $_response->get_error_data(),
-					),
-				);
-
-				continue;
-			}
-
-			$create[] = $wp_rest_server->response_to_data( /** @scrutinizer ignore-type */ $_response, false );
-
-		}
-
-		return $create;
+    }
+
+    /**
+     * Registers routes for each namespace.
+     *
+     * @since 1.0.19
+     *
+     */
+    public function register_routes() {
+
+        foreach ( $this->namespaces as $namespace ) {
+            $this->register_namespace_routes( $namespace );
+        }
+
+    }
+
+    /**
+     * Registers routes for a namespace.
+     *
+     * @since 1.0.19
+     *
+     * @param string $namespace
+     */
+    public function register_namespace_routes( /** @scrutinizer ignore-unused */ $namespace ) {
+
+        getpaid_doing_it_wrong(
+            __CLASS__ . '::' .__METHOD__,
+            /* translators: %s: register_namespace_routes() */
+            sprintf( __( "Method '%s' must be overridden." ), __METHOD__ ),
+            '1.0.19'
+        );
+
+    }
+
+    /**
+     * Get normalized rest base.
+     *
+     * @return string
+     */
+    protected function get_normalized_rest_base() {
+        return preg_replace( '/\(.*\)\//i', '', $this->rest_base );
+    }
+
+    /**
+     * Fill batches.
+     *
+     * @param array array of request items.
+     * @return array
+     */
+    protected function fill_batch_keys( $items ) {
+
+        $items['create'] = empty( $items['create'] ) ? array() : $items['create'];
+        $items['update'] = empty( $items['update'] ) ? array() : $items['update'];
+        $items['delete'] = empty( $items['delete'] ) ? array() : wp_parse_id_list( $items['delete'] );
+        return $items;
+
+    }
+
+    /**
+     * Check batch limit.
+     *
+     * @param array $items Request items.
+     * @return bool|WP_Error
+     */
+    protected function check_batch_limit( $items ) {
+        $limit = apply_filters( 'getpaid_rest_batch_items_limit', 100, $this->get_normalized_rest_base() );
+        $total = count( $items['create'] ) + count( $items['update'] ) + count( $items['delete'] );
+
+        if ( $total > $limit ) {
+            /* translators: %s: items limit */
+            return new WP_Error( 'getpaid_rest_request_entity_too_large', sprintf( __( 'Unable to accept more than %s items for this request.', 'invoicing' ), $limit ), array( 'status' => 413 ) );
+        }
+
+        return true;
+    }
+
+    /**
+     * Bulk create items.
+     *
+     * @param array $items Array of items to create.
+     * @param WP_REST_Request $request Full details about the request.
+     * @param WP_REST_Server $wp_rest_server
+     * @return array()
+     */
+    protected function batch_create_items( $items, $request, $wp_rest_server ) {
+
+        $query  = $request->get_query_params();
+        $create = array();
+
+        foreach ( $items as $item ) {
+            $_item = new WP_REST_Request( 'POST' );
+
+            // Default parameters.
+            $defaults = array();
+            $schema   = $this->get_public_item_schema();
+            foreach ( $schema['properties'] as $arg => $options ) {
+                if ( isset( $options['default'] ) ) {
+                    $defaults[ $arg ] = $options['default'];
+                }
+            }
+            $_item->set_default_params( $defaults );
+
+            // Set request parameters.
+            $_item->set_body_params( $item );
+
+            // Set query (GET) parameters.
+            $_item->set_query_params( $query );
+
+            // Create the item.
+            $_response = $this->create_item( $_item );
+
+            // If an error occured...
+            if ( is_wp_error( $_response ) ) {
+
+                $create[]   = array(
+                    'id'    => 0,
+                    'error' => array(
+                        'code'    => $_response->get_error_code(),
+                        'message' => $_response->get_error_message(),
+                        'data'    => $_response->get_error_data(),
+                    ),
+                );
+
+                continue;
+            }
+
+            $create[] = $wp_rest_server->response_to_data( /** @scrutinizer ignore-type */ $_response, false );
+
+        }
+
+        return $create;
+
+    }
+
+    /**
+     * Bulk update items.
+     *
+     * @param array $items Array of items to update.
+     * @param WP_REST_Request $request Full details about the request.
+     * @param WP_REST_Server $wp_rest_server
+     * @return array()
+     */
+    protected function batch_update_items( $items, $request, $wp_rest_server ) {
+
+        $query  = $request->get_query_params();
+        $update = array();
+
+        foreach ( $items as $item ) {
+
+            // Create a dummy request.
+            $_item = new WP_REST_Request( 'PUT' );
+
+            // Add body params.
+            $_item->set_body_params( $item );
+
+            // Set query (GET) parameters.
+            $_item->set_query_params( $query );
+
+            // Update the item.
+            $_response = $this->update_item( $_item );
+
+            // If an error occured...
+            if ( is_wp_error( $_response ) ) {
+
+                $update[] = array(
+                    'id'    => $item['id'],
+                    'error' => array(
+                        'code'    => $_response->get_error_code(),
+                        'message' => $_response->get_error_message(),
+                        'data'    => $_response->get_error_data(),
+                    ),
+                );
+
+                continue;
+
+            }
+
+            $update[] = $wp_rest_server->response_to_data( /** @scrutinizer ignore-type */ $_response, false );
+
+        }
+
+        return $update;
+
+    }
+
+    /**
+     * Bulk delete items.
+     *
+     * @param array $items Array of items to delete.
+     * @param WP_REST_Server $wp_rest_server
+     * @return array()
+     */
+    protected function batch_delete_items( $items, $wp_rest_server ) {
+
+        $delete = array();
+
+        foreach ( array_filter( $items ) as $id ) {
+
+            // Prepare the request.
+            $_item = new WP_REST_Request( 'DELETE' );
+            $_item->set_query_params(
+                array(
+                    'id'    => $id,
+                    'force' => true,
+                )
+            );
+
+            // Delete the item.
+            $_response = $this->delete_item( $_item );
+
+            if ( is_wp_error( $_response ) ) {
+
+                $delete[] = array(
+                    'id'    => $id,
+                    'error' => array(
+                        'code'    => $_response->get_error_code(),
+                        'message' => $_response->get_error_message(),
+                        'data'    => $_response->get_error_data(),
+                    ),
+                );
+
+                continue;
+            }
 
-	}
-
-	/**
-	 * Bulk update items.
-	 *
-	 * @param array $items Array of items to update.
-	 * @param WP_REST_Request $request Full details about the request.
-	 * @param WP_REST_Server $wp_rest_server
-	 * @return array()
-	 */
-	protected function batch_update_items( $items, $request, $wp_rest_server ) {
-
-		$query  = $request->get_query_params();
-		$update = array();
-
-		foreach ( $items as $item ) {
-
-			// Create a dummy request.
-			$_item = new WP_REST_Request( 'PUT' );
-
-			// Add body params.
-			$_item->set_body_params( $item );
-
-			// Set query (GET) parameters.
-			$_item->set_query_params( $query );
-
-			// Update the item.
-			$_response = $this->update_item( $_item );
-
-			// If an error occured...
-			if ( is_wp_error( $_response ) ) {
-
-				$update[] = array(
-					'id'    => $item['id'],
-					'error' => array(
-						'code'    => $_response->get_error_code(),
-						'message' => $_response->get_error_message(),
-						'data'    => $_response->get_error_data(),
-					),
-				);
-
-				continue;
-
-			}
-
-			$update[] = $wp_rest_server->response_to_data( /** @scrutinizer ignore-type */ $_response, false );
-
-		}
-
-		return $update;
-
-	}
+            $delete[] = $wp_rest_server->response_to_data( /** @scrutinizer ignore-type */ $_response, false );
 
-	/**
-	 * Bulk delete items.
-	 *
-	 * @param array $items Array of items to delete.
-	 * @param WP_REST_Server $wp_rest_server
-	 * @return array()
-	 */
-	protected function batch_delete_items( $items, $wp_rest_server ) {
-
-		$delete = array();
-
-		foreach ( array_filter( $items ) as $id ) {
-
-			// Prepare the request.
-			$_item = new WP_REST_Request( 'DELETE' );
-			$_item->set_query_params(
-				array(
-					'id'    => $id,
-					'force' => true,
-				)
-			);
-
-			// Delete the item.
-			$_response = $this->delete_item( $_item );
-
-			if ( is_wp_error( $_response ) ) {
-
-				$delete[] = array(
-					'id'    => $id,
-					'error' => array(
-						'code'    => $_response->get_error_code(),
-						'message' => $_response->get_error_message(),
-						'data'    => $_response->get_error_data(),
-					),
-				);
-
-				continue;
-			}
-
-			$delete[] = $wp_rest_server->response_to_data( /** @scrutinizer ignore-type */ $_response, false );
-
-		}
-
-		return $delete;
-
-	}
-
-	/**
-	 * Bulk create, update and delete items.
-	 *
-	 * @param WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|array.
-	 */
-	public function batch_items( $request ) {
-		global $wp_rest_server;
-
-		// Prepare the batch items.
-		$items = $this->fill_batch_keys( array_filter( $request->get_params() ) );
-
-		// Ensure that the batch has not exceeded the limit to prevent abuse.
-		$limit = $this->check_batch_limit( $items );
-		if ( is_wp_error( $limit ) ) {
-			return $limit;
-		}
-
-		// Process the items.
-		return array(
-			'create' => $this->batch_create_items( $items['create'], $request, $wp_rest_server ),
-			'update' => $this->batch_update_items( $items['update'], $request, $wp_rest_server ),
-			'delete' => $this->batch_delete_items( $items['delete'], $wp_rest_server ),
-		);
-
-	}
-
-	/**
-	 * Add meta query.
-	 *
-	 * @since 1.0.19
-	 * @param array $args       Query args.
-	 * @param array $meta_query Meta query.
-	 * @return array
-	 */
-	protected function add_meta_query( $args, $meta_query ) {
-		if ( empty( $args['meta_query'] ) ) {
-			$args['meta_query'] = array();
-		}
-
-		$args['meta_query'][] = $meta_query;
-
-		return $args['meta_query'];
-	}
-
-	/**
-	 * Get the batch schema, conforming to JSON Schema.
-	 *
-	 * @return array
-	 */
-	public function get_public_batch_schema() {
-
-		return array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => 'batch',
-			'type'       => 'object',
-			'properties' => array(
-				'create' => array(
-					'description' => __( 'List of created resources.', 'invoicing' ),
-					'type'        => 'array',
-					'context'     => array( 'view', 'edit' ),
-					'items'       => array(
-						'type'    => 'object',
-					),
-				),
-				'update' => array(
-					'description' => __( 'List of updated resources.', 'invoicing' ),
-					'type'        => 'array',
-					'context'     => array( 'view', 'edit' ),
-					'items'       => array(
-						'type'    => 'object',
-					),
-				),
-				'delete' => array(
-					'description' => __( 'List of deleted resources.', 'invoicing' ),
-					'type'        => 'array',
-					'context'     => array( 'view', 'edit' ),
-					'items'       => array(
-						'type'    => 'integer',
-					),
-				),
-			),
-		);
-
-	}
-
-	/**
-	 * Returns the value of schema['properties']
-	 * 
-	 * i.e Schema fields.
-	 *
-	 * @since 1.0.19
-	 * @return array
-	 */
-	protected function get_schema_properties() {
-
-		$schema     = $this->get_item_schema();
-		$properties = isset( $schema['properties'] ) ? $schema['properties'] : array();
-
-		// For back-compat, include any field with an empty schema
-		// because it won't be present in $this->get_item_schema().
-		foreach ( $this->get_additional_fields() as $field_name => $field_options ) {
-			if ( is_null( $field_options['schema'] ) ) {
-				$properties[ $field_name ] = $field_options;
-			}
-		}
-
-		return $properties;
-	}
-
-	/**
-	 * Filters fields by context.
-	 *
-	 * @param array $fields Array of fields
-	 * @param string|null context view, edit or embed
-	 * @since 1.0.19
-	 * @return array
-	 */
-	protected function filter_response_fields_by_context( $fields, $context ) {
-
-		if ( empty( $context ) ) {
-			return $fields;
-		}
-
-		foreach ( $fields as $name => $options ) {
-			if ( ! empty( $options['context'] ) && ! in_array( $context, $options['context'], true ) ) {
-				unset( $fields[ $name ] );
-			}
-		}
-
-		return $fields;
-
-	}
-
-	/**
-	 * Filters fields by an array of requested fields.
-	 *
-	 * @param array $fields Array of available fields
-	 * @param array $requested array of requested fields.
-	 * @since 1.0.19
-	 * @return array
-	 */
-	protected function filter_response_fields_by_array( $fields, $requested ) {
-
-		// Trim off any whitespace from the list array.
-		$requested = array_map( 'trim', $requested );
-
-		// Always persist 'id', because it can be needed for add_additional_fields_to_object().
-		if ( in_array( 'id', $fields, true ) ) {
-			$requested[] = 'id';
-		}
-
-		// Get rid of duplicate fields.
-		$requested = array_unique( $requested );
-
-		// Return the list of all included fields which are available.
-		return array_reduce(
-			$requested,
-			function( $response_fields, $field ) use ( $fields ) {
-
-				if ( in_array( $field, $fields, true ) ) {
-					$response_fields[] = $field;
-					return $response_fields;
-				}
-
-				// Check for nested fields if $field is not a direct match.
-				$nested_fields = explode( '.', $field );
-
-				// A nested field is included so long as its top-level property is
-				// present in the schema.
-				if ( in_array( $nested_fields[0], $fields, true ) ) {
-					$response_fields[] = $field;
-				}
-
-				return $response_fields;
-			},
-			array()
-		);
-
-	}
-
-	/**
-	 * Gets an array of fields to be included on the response.
-	 *
-	 * Included fields are based on item schema and `_fields=` request argument.
-	 * Copied from WordPress 5.3 to support old versions.
-	 *
-	 * @since 1.0.19
-	 * @param WP_REST_Request $request Full details about the request.
-	 * @return array Fields to be included in the response.
-	 */
-	public function get_fields_for_response( $request ) {
-
-		// Retrieve fields in the schema.
-		$properties = $this->get_schema_properties();
-
-		// Exclude fields that specify a different context than the request context.
-		$properties = $this->filter_response_fields_by_context( $properties, $request['context'] );
-
-		// We only need the field keys.
-		$fields = array_keys( $properties );
-
-		// Is the user filtering the response fields??
-		if ( empty( $request['_fields'] ) ) {
-			return $fields;
-		}
-
-		return $this->filter_response_fields_by_array( $fields, wpinv_parse_list( $request['_fields'] ) );
-
-	}
-
-	/**
-	 * Limits an object to the requested fields.
-	 *
-	 * Included fields are based on the `_fields` request argument.
-	 *
-	 * @since 1.0.19
-	 * @param array $data Fields to include in the response.
-	 * @param array $fields Requested fields.
-	 * @return array Fields to be included in the response.
-	 */
-	public function limit_object_to_requested_fields( $data, $fields, $prefix = '' ) {
-
-		// Is the user filtering the response fields??
-		if ( empty( $fields ) ) {
-			return $data;
-		}
-
-		foreach ( $data as $key => $value ) {
-
-			// Numeric arrays.
-			if ( is_numeric( $key ) && is_array( $value ) ) {
-				$data[ $key ] = $this->limit_object_to_requested_fields( $value, $fields, $prefix );
-				continue;
-			}
-
-			// Generate a new prefix.
-			$new_prefix = empty( $prefix ) ? $key : "$prefix.$key";
-
-			// Check if it was requested.
-			if ( ! empty( $key ) && ! $this->is_field_included( $new_prefix, $fields ) ) {
-				unset( $data[ $key ] );
-				continue;
-			}
-
-			if ( $key != 'meta_data' && is_array( $value ) ) {
-				$data[ $key ] = $this->limit_object_to_requested_fields( $value, $fields, $new_prefix );
-			}
-
-		}
-
-		return $data;
-	}
-
-	/**
-	 * Given an array of fields to include in a response, some of which may be
-	 * `nested.fields`, determine whether the provided field should be included
-	 * in the response body.
-	 *
-	 * Copied from WordPress 5.3 to support old versions.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @param string $field  A field to test for inclusion in the response body.
-	 * @param array  $fields An array of string fields supported by the endpoint.
-	 * @return bool Whether to include the field or not.
-	 * @see rest_is_field_included()
-	 */
-	public function is_field_included( $field, $fields ) {
-		if ( in_array( $field, $fields, true ) ) {
-			return true;
-		}
-
-		foreach ( $fields as $accepted_field ) {
-			// Check to see if $field is the parent of any item in $fields.
-			// A field "parent" should be accepted if "parent.child" is accepted.
-			if ( strpos( $accepted_field, "$field." ) === 0 ) {
-				return true;
-			}
-			// Conversely, if "parent" is accepted, all "parent.child" fields
-			// should also be accepted.
-			if ( strpos( $field, "$accepted_field." ) === 0 ) {
-				return true;
-			}
-		}
-
-		return false;
-	}
+        }
+
+        return $delete;
+
+    }
+
+    /**
+     * Bulk create, update and delete items.
+     *
+     * @param WP_REST_Request $request Full details about the request.
+     * @return WP_Error|array.
+     */
+    public function batch_items( $request ) {
+        global $wp_rest_server;
+
+        // Prepare the batch items.
+        $items = $this->fill_batch_keys( array_filter( $request->get_params() ) );
+
+        // Ensure that the batch has not exceeded the limit to prevent abuse.
+        $limit = $this->check_batch_limit( $items );
+        if ( is_wp_error( $limit ) ) {
+            return $limit;
+        }
+
+        // Process the items.
+        return array(
+            'create' => $this->batch_create_items( $items['create'], $request, $wp_rest_server ),
+            'update' => $this->batch_update_items( $items['update'], $request, $wp_rest_server ),
+            'delete' => $this->batch_delete_items( $items['delete'], $wp_rest_server ),
+        );
+
+    }
+
+    /**
+     * Add meta query.
+     *
+     * @since 1.0.19
+     * @param array $args       Query args.
+     * @param array $meta_query Meta query.
+     * @return array
+     */
+    protected function add_meta_query( $args, $meta_query ) {
+        if ( empty( $args['meta_query'] ) ) {
+            $args['meta_query'] = array();
+        }
+
+        $args['meta_query'][] = $meta_query;
+
+        return $args['meta_query'];
+    }
+
+    /**
+     * Get the batch schema, conforming to JSON Schema.
+     *
+     * @return array
+     */
+    public function get_public_batch_schema() {
+
+        return array(
+            '$schema'    => 'http://json-schema.org/draft-04/schema#',
+            'title'      => 'batch',
+            'type'       => 'object',
+            'properties' => array(
+                'create' => array(
+                    'description' => __( 'List of created resources.', 'invoicing' ),
+                    'type'        => 'array',
+                    'context'     => array( 'view', 'edit' ),
+                    'items'       => array(
+                        'type'    => 'object',
+                    ),
+                ),
+                'update' => array(
+                    'description' => __( 'List of updated resources.', 'invoicing' ),
+                    'type'        => 'array',
+                    'context'     => array( 'view', 'edit' ),
+                    'items'       => array(
+                        'type'    => 'object',
+                    ),
+                ),
+                'delete' => array(
+                    'description' => __( 'List of deleted resources.', 'invoicing' ),
+                    'type'        => 'array',
+                    'context'     => array( 'view', 'edit' ),
+                    'items'       => array(
+                        'type'    => 'integer',
+                    ),
+                ),
+            ),
+        );
+
+    }
+
+    /**
+     * Returns the value of schema['properties']
+     * 
+     * i.e Schema fields.
+     *
+     * @since 1.0.19
+     * @return array
+     */
+    protected function get_schema_properties() {
+
+        $schema     = $this->get_item_schema();
+        $properties = isset( $schema['properties'] ) ? $schema['properties'] : array();
+
+        // For back-compat, include any field with an empty schema
+        // because it won't be present in $this->get_item_schema().
+        foreach ( $this->get_additional_fields() as $field_name => $field_options ) {
+            if ( is_null( $field_options['schema'] ) ) {
+                $properties[ $field_name ] = $field_options;
+            }
+        }
+
+        return $properties;
+    }
+
+    /**
+     * Filters fields by context.
+     *
+     * @param array $fields Array of fields
+     * @param string|null context view, edit or embed
+     * @since 1.0.19
+     * @return array
+     */
+    protected function filter_response_fields_by_context( $fields, $context ) {
+
+        if ( empty( $context ) ) {
+            return $fields;
+        }
+
+        foreach ( $fields as $name => $options ) {
+            if ( ! empty( $options['context'] ) && ! in_array( $context, $options['context'], true ) ) {
+                unset( $fields[ $name ] );
+            }
+        }
+
+        return $fields;
+
+    }
+
+    /**
+     * Filters fields by an array of requested fields.
+     *
+     * @param array $fields Array of available fields
+     * @param array $requested array of requested fields.
+     * @since 1.0.19
+     * @return array
+     */
+    protected function filter_response_fields_by_array( $fields, $requested ) {
+
+        // Trim off any whitespace from the list array.
+        $requested = array_map( 'trim', $requested );
+
+        // Always persist 'id', because it can be needed for add_additional_fields_to_object().
+        if ( in_array( 'id', $fields, true ) ) {
+            $requested[] = 'id';
+        }
+
+        // Get rid of duplicate fields.
+        $requested = array_unique( $requested );
+
+        // Return the list of all included fields which are available.
+        return array_reduce(
+            $requested,
+            function( $response_fields, $field ) use ( $fields ) {
+
+                if ( in_array( $field, $fields, true ) ) {
+                    $response_fields[] = $field;
+                    return $response_fields;
+                }
+
+                // Check for nested fields if $field is not a direct match.
+                $nested_fields = explode( '.', $field );
+
+                // A nested field is included so long as its top-level property is
+                // present in the schema.
+                if ( in_array( $nested_fields[0], $fields, true ) ) {
+                    $response_fields[] = $field;
+                }
+
+                return $response_fields;
+            },
+            array()
+        );
+
+    }
+
+    /**
+     * Gets an array of fields to be included on the response.
+     *
+     * Included fields are based on item schema and `_fields=` request argument.
+     * Copied from WordPress 5.3 to support old versions.
+     *
+     * @since 1.0.19
+     * @param WP_REST_Request $request Full details about the request.
+     * @return array Fields to be included in the response.
+     */
+    public function get_fields_for_response( $request ) {
+
+        // Retrieve fields in the schema.
+        $properties = $this->get_schema_properties();
+
+        // Exclude fields that specify a different context than the request context.
+        $properties = $this->filter_response_fields_by_context( $properties, $request['context'] );
+
+        // We only need the field keys.
+        $fields = array_keys( $properties );
+
+        // Is the user filtering the response fields??
+        if ( empty( $request['_fields'] ) ) {
+            return $fields;
+        }
+
+        return $this->filter_response_fields_by_array( $fields, wpinv_parse_list( $request['_fields'] ) );
+
+    }
+
+    /**
+     * Limits an object to the requested fields.
+     *
+     * Included fields are based on the `_fields` request argument.
+     *
+     * @since 1.0.19
+     * @param array $data Fields to include in the response.
+     * @param array $fields Requested fields.
+     * @return array Fields to be included in the response.
+     */
+    public function limit_object_to_requested_fields( $data, $fields, $prefix = '' ) {
+
+        // Is the user filtering the response fields??
+        if ( empty( $fields ) ) {
+            return $data;
+        }
+
+        foreach ( $data as $key => $value ) {
+
+            // Numeric arrays.
+            if ( is_numeric( $key ) && is_array( $value ) ) {
+                $data[ $key ] = $this->limit_object_to_requested_fields( $value, $fields, $prefix );
+                continue;
+            }
+
+            // Generate a new prefix.
+            $new_prefix = empty( $prefix ) ? $key : "$prefix.$key";
+
+            // Check if it was requested.
+            if ( ! empty( $key ) && ! $this->is_field_included( $new_prefix, $fields ) ) {
+                unset( $data[ $key ] );
+                continue;
+            }
+
+            if ( $key != 'meta_data' && is_array( $value ) ) {
+                $data[ $key ] = $this->limit_object_to_requested_fields( $value, $fields, $new_prefix );
+            }
+
+        }
+
+        return $data;
+    }
+
+    /**
+     * Given an array of fields to include in a response, some of which may be
+     * `nested.fields`, determine whether the provided field should be included
+     * in the response body.
+     *
+     * Copied from WordPress 5.3 to support old versions.
+     *
+     * @since 1.0.19
+     *
+     * @param string $field  A field to test for inclusion in the response body.
+     * @param array  $fields An array of string fields supported by the endpoint.
+     * @return bool Whether to include the field or not.
+     * @see rest_is_field_included()
+     */
+    public function is_field_included( $field, $fields ) {
+        if ( in_array( $field, $fields, true ) ) {
+            return true;
+        }
+
+        foreach ( $fields as $accepted_field ) {
+            // Check to see if $field is the parent of any item in $fields.
+            // A field "parent" should be accepted if "parent.child" is accepted.
+            if ( strpos( $accepted_field, "$field." ) === 0 ) {
+                return true;
+            }
+            // Conversely, if "parent" is accepted, all "parent.child" fields
+            // should also be accepted.
+            if ( strpos( $field, "$accepted_field." ) === 0 ) {
+                return true;
+            }
+        }
+
+        return false;
+    }
 
 }