AyeCode / invoicing

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;

invoicing.php

Indentation +4 added lines, -4 removed lines

@@ -19,16 +19,16 @@ 
 
 // Define constants.
 if ( ! defined( 'WPINV_PLUGIN_FILE' ) ) {
-	define( 'WPINV_PLUGIN_FILE', __FILE__ );
+    define( 'WPINV_PLUGIN_FILE', __FILE__ );
 }
 
 if ( ! defined( 'WPINV_VERSION' ) ) {
-	define( 'WPINV_VERSION', '1.0.19' );
+    define( 'WPINV_VERSION', '1.0.19' );
 }
 
 // Include the main Invoicing class.
 if ( ! class_exists( 'WPInv_Plugin', false ) ) {
-	require_once plugin_dir_path( WPINV_PLUGIN_FILE ) . 'includes/class-wpinv.php';
+    require_once plugin_dir_path( WPINV_PLUGIN_FILE ) . 'includes/class-wpinv.php';
 }
 
 /**
@@ -43,7 +43,7 @@ 
         $GLOBALS['invoicing'] = new WPInv_Plugin();
     }
 
-	return $GLOBALS['invoicing'];
+    return $GLOBALS['invoicing'];
 }
 
 /**

includes/class-getpaid-post-types.php

Indentation +297 added lines, -297 removed lines

@@ -15,322 +15,322 @@
 class GetPaid_Post_Types {
 
     /**
-	 * Hook in methods.
-	 */
-	public function __construct() {
-		add_action( 'init', array( __CLASS__, 'register_post_types' ), 1 );
-		add_action( 'init', array( __CLASS__, 'register_post_status' ), 4 );
-		add_action( 'getpaid_flush_rewrite_rules', array( __CLASS__, 'flush_rewrite_rules' ) );
-		add_action( 'getpaid_after_register_post_types', array( __CLASS__, 'maybe_flush_rewrite_rules' ) );
-	}
+     * Hook in methods.
+     */
+    public function __construct() {
+        add_action( 'init', array( __CLASS__, 'register_post_types' ), 1 );
+        add_action( 'init', array( __CLASS__, 'register_post_status' ), 4 );
+        add_action( 'getpaid_flush_rewrite_rules', array( __CLASS__, 'flush_rewrite_rules' ) );
+        add_action( 'getpaid_after_register_post_types', array( __CLASS__, 'maybe_flush_rewrite_rules' ) );
+    }
 
-	/**
-	 * Register core post types.
-	 */
-	public static function register_post_types() {
+    /**
+     * Register core post types.
+     */
+    public static function register_post_types() {
 
-		if ( ! is_blog_installed() || post_type_exists( 'wpi_item' ) ) {
-			return;
-		}
+        if ( ! is_blog_installed() || post_type_exists( 'wpi_item' ) ) {
+            return;
+        }
 
-		// Fires before registering post types.
-		do_action( 'getpaid_register_post_types' );
+        // Fires before registering post types.
+        do_action( 'getpaid_register_post_types' );
 
-		// Register item post type.
-		register_post_type(
-			'wpi_item',
-			apply_filters(
-				'wpinv_register_post_type_invoice_item',
-				array(
-					'labels'             => array(
-						'name'               => _x( 'Items', 'post type general name', 'invoicing' ),
-						'singular_name'      => _x( 'Item', 'post type singular name', 'invoicing' ),
-						'menu_name'          => _x( 'Items', 'admin menu', 'invoicing' ),
-						'name_admin_bar'     => _x( 'Item', 'add new on admin bar', 'invoicing' ),
-						'add_new'            => _x( 'Add New', 'Item', 'invoicing' ),
-						'add_new_item'       => __( 'Add New Item', 'invoicing' ),
-						'new_item'           => __( 'New Item', 'invoicing' ),
-						'edit_item'          => __( 'Edit Item', 'invoicing' ),
-						'view_item'          => __( 'View Item', 'invoicing' ),
-						'all_items'          => __( 'Items', 'invoicing' ),
-						'search_items'       => __( 'Search items', 'invoicing' ),
-						'parent_item_colon'  => __( 'Parent item:', 'invoicing' ),
-						'not_found'          => __( 'No items found.', 'invoicing' ),
-						'not_found_in_trash' => __( 'No items found in trash.', 'invoicing' )
-					),
-					'description'           => __( 'This is where you can add new invoice items.', 'invoicing' ),
-					'public'                => false,
-					'has_archive'           => false,
-					'_builtin'              => false,
-					'show_ui'               => true,
-					'show_in_menu'          => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
-					'show_in_nav_menus'     => false,
-					'supports'              => array( 'title', 'excerpt' ),
-					'rewrite'               => false,
-					'query_var'             => false,
-					'capability_type'       => 'wpi_item',
-					'map_meta_cap'          => true,
-					'show_in_admin_bar'     => true,
-					'can_export'            => true,
-				)
-			)
-		);
+        // Register item post type.
+        register_post_type(
+            'wpi_item',
+            apply_filters(
+                'wpinv_register_post_type_invoice_item',
+                array(
+                    'labels'             => array(
+                        'name'               => _x( 'Items', 'post type general name', 'invoicing' ),
+                        'singular_name'      => _x( 'Item', 'post type singular name', 'invoicing' ),
+                        'menu_name'          => _x( 'Items', 'admin menu', 'invoicing' ),
+                        'name_admin_bar'     => _x( 'Item', 'add new on admin bar', 'invoicing' ),
+                        'add_new'            => _x( 'Add New', 'Item', 'invoicing' ),
+                        'add_new_item'       => __( 'Add New Item', 'invoicing' ),
+                        'new_item'           => __( 'New Item', 'invoicing' ),
+                        'edit_item'          => __( 'Edit Item', 'invoicing' ),
+                        'view_item'          => __( 'View Item', 'invoicing' ),
+                        'all_items'          => __( 'Items', 'invoicing' ),
+                        'search_items'       => __( 'Search items', 'invoicing' ),
+                        'parent_item_colon'  => __( 'Parent item:', 'invoicing' ),
+                        'not_found'          => __( 'No items found.', 'invoicing' ),
+                        'not_found_in_trash' => __( 'No items found in trash.', 'invoicing' )
+                    ),
+                    'description'           => __( 'This is where you can add new invoice items.', 'invoicing' ),
+                    'public'                => false,
+                    'has_archive'           => false,
+                    '_builtin'              => false,
+                    'show_ui'               => true,
+                    'show_in_menu'          => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
+                    'show_in_nav_menus'     => false,
+                    'supports'              => array( 'title', 'excerpt' ),
+                    'rewrite'               => false,
+                    'query_var'             => false,
+                    'capability_type'       => 'wpi_item',
+                    'map_meta_cap'          => true,
+                    'show_in_admin_bar'     => true,
+                    'can_export'            => true,
+                )
+            )
+        );
 
-		// Register payment form post type.
-		register_post_type(
-			'wpi_payment_form',
-			apply_filters(
-				'wpinv_register_post_type_payment_form',
-				array(
-					'labels'             => array(
-						'name'               => _x( 'Payment Forms', 'post type general name', 'invoicing' ),
-						'singular_name'      => _x( 'Payment Form', 'post type singular name', 'invoicing' ),
-						'menu_name'          => _x( 'Payment Forms', 'admin menu', 'invoicing' ),
-						'name_admin_bar'     => _x( 'Payment Form', 'add new on admin bar', 'invoicing' ),
-						'add_new'            => _x( 'Add New', 'Payment Form', 'invoicing' ),
-						'add_new_item'       => __( 'Add New Payment Form', 'invoicing' ),
-						'new_item'           => __( 'New Payment Form', 'invoicing' ),
-						'edit_item'          => __( 'Edit Payment Form', 'invoicing' ),
-						'view_item'          => __( 'View Payment Form', 'invoicing' ),
-						'all_items'          => __( 'Payment Forms', 'invoicing' ),
-						'search_items'       => __( 'Search Payment Forms', 'invoicing' ),
-						'parent_item_colon'  => __( 'Parent Payment Forms:', 'invoicing' ),
-						'not_found'          => __( 'No payment forms found.', 'invoicing' ),
-						'not_found_in_trash' => __( 'No payment forms found in trash.', 'invoicing' )
-					),
-					'description'        => __( 'Add new payment forms.', 'invoicing' ),
-					'public'             => false,
-					'show_ui'            => true,
-					'show_in_menu'       => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : true,
-					'show_in_nav_menus'  => false,
-					'query_var'          => false,
-					'rewrite'            => true,
-					'map_meta_cap'       => true,
-					'has_archive'        => false,
-					'hierarchical'       => false,
-					'menu_position'      => null,
-					'supports'           => array( 'title' ),
-					'menu_icon'          => 'dashicons-media-form',
-				)
-			)
-		);
+        // Register payment form post type.
+        register_post_type(
+            'wpi_payment_form',
+            apply_filters(
+                'wpinv_register_post_type_payment_form',
+                array(
+                    'labels'             => array(
+                        'name'               => _x( 'Payment Forms', 'post type general name', 'invoicing' ),
+                        'singular_name'      => _x( 'Payment Form', 'post type singular name', 'invoicing' ),
+                        'menu_name'          => _x( 'Payment Forms', 'admin menu', 'invoicing' ),
+                        'name_admin_bar'     => _x( 'Payment Form', 'add new on admin bar', 'invoicing' ),
+                        'add_new'            => _x( 'Add New', 'Payment Form', 'invoicing' ),
+                        'add_new_item'       => __( 'Add New Payment Form', 'invoicing' ),
+                        'new_item'           => __( 'New Payment Form', 'invoicing' ),
+                        'edit_item'          => __( 'Edit Payment Form', 'invoicing' ),
+                        'view_item'          => __( 'View Payment Form', 'invoicing' ),
+                        'all_items'          => __( 'Payment Forms', 'invoicing' ),
+                        'search_items'       => __( 'Search Payment Forms', 'invoicing' ),
+                        'parent_item_colon'  => __( 'Parent Payment Forms:', 'invoicing' ),
+                        'not_found'          => __( 'No payment forms found.', 'invoicing' ),
+                        'not_found_in_trash' => __( 'No payment forms found in trash.', 'invoicing' )
+                    ),
+                    'description'        => __( 'Add new payment forms.', 'invoicing' ),
+                    'public'             => false,
+                    'show_ui'            => true,
+                    'show_in_menu'       => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : true,
+                    'show_in_nav_menus'  => false,
+                    'query_var'          => false,
+                    'rewrite'            => true,
+                    'map_meta_cap'       => true,
+                    'has_archive'        => false,
+                    'hierarchical'       => false,
+                    'menu_position'      => null,
+                    'supports'           => array( 'title' ),
+                    'menu_icon'          => 'dashicons-media-form',
+                )
+            )
+        );
 
-		// Register invoice post type.
-		register_post_type(
-			'wpi_invoice',
-			apply_filters(
-				'wpinv_register_post_type_invoice',
-				array(
-					'labels'                 => array(
-						'name'                  => __( 'Invoices', 'invoicing' ),
-						'singular_name'         => __( 'Invoice', 'invoicing' ),
-						'all_items'             => __( 'Invoices', 'invoicing' ),
-						'menu_name'             => _x( 'Invoices', 'Admin menu name', 'invoicing' ),
-						'add_new'               => __( 'Add New', 'invoicing' ),
-						'add_new_item'          => __( 'Add new invoice', 'invoicing' ),
-						'edit'                  => __( 'Edit', 'invoicing' ),
-						'edit_item'             => __( 'Edit invoice', 'invoicing' ),
-						'new_item'              => __( 'New invoice', 'invoicing' ),
-						'view_item'             => __( 'View invoice', 'invoicing' ),
-						'view_items'            => __( 'View Invoices', 'invoicing' ),
-						'search_items'          => __( 'Search invoices', 'invoicing' ),
-						'not_found'             => __( 'No invoices found', 'invoicing' ),
-						'not_found_in_trash'    => __( 'No invoices found in trash', 'invoicing' ),
-						'parent'                => __( 'Parent invoice', 'invoicing' ),
-						'featured_image'        => __( 'Invoice image', 'invoicing' ),
-						'set_featured_image'    => __( 'Set invoice image', 'invoicing' ),
-						'remove_featured_image' => __( 'Remove invoice image', 'invoicing' ),
-						'use_featured_image'    => __( 'Use as invoice image', 'invoicing' ),
-						'insert_into_item'      => __( 'Insert into invoice', 'invoicing' ),
-						'uploaded_to_this_item' => __( 'Uploaded to this invoice', 'invoicing' ),
-						'filter_items_list'     => __( 'Filter invoices', 'invoicing' ),
-						'items_list_navigation' => __( 'Invoices navigation', 'invoicing' ),
-						'items_list'            => __( 'Invoices list', 'invoicing' ),
-					),
-					'description'           => __( 'This is where invoices are stored.', 'invoicing' ),
-					'public'                => true,
-					'has_archive'           => false,
-					'publicly_queryable'    => true,
-        			'exclude_from_search'   => true,
-        			'show_ui'               => true,
-					'show_in_menu'          => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
-					'show_in_nav_menus'     => false,
-					'supports'              => array( 'title', 'author', 'excerpt'  ),
-					'rewrite'               => array(
-						'slug'              => 'invoice',
-						'with_front'        => false,
-					),
-					'query_var'             => false,
-					'capability_type'       => 'wpi_invoice',
-					'map_meta_cap'          => true,
-					'show_in_admin_bar'     => true,
-					'can_export'            => true,
-					'hierarchical'          => false,
-					'menu_position'         => null,
-					'menu_icon'             => 'dashicons-media-spreadsheet',
-				)
-			)
-		);
+        // Register invoice post type.
+        register_post_type(
+            'wpi_invoice',
+            apply_filters(
+                'wpinv_register_post_type_invoice',
+                array(
+                    'labels'                 => array(
+                        'name'                  => __( 'Invoices', 'invoicing' ),
+                        'singular_name'         => __( 'Invoice', 'invoicing' ),
+                        'all_items'             => __( 'Invoices', 'invoicing' ),
+                        'menu_name'             => _x( 'Invoices', 'Admin menu name', 'invoicing' ),
+                        'add_new'               => __( 'Add New', 'invoicing' ),
+                        'add_new_item'          => __( 'Add new invoice', 'invoicing' ),
+                        'edit'                  => __( 'Edit', 'invoicing' ),
+                        'edit_item'             => __( 'Edit invoice', 'invoicing' ),
+                        'new_item'              => __( 'New invoice', 'invoicing' ),
+                        'view_item'             => __( 'View invoice', 'invoicing' ),
+                        'view_items'            => __( 'View Invoices', 'invoicing' ),
+                        'search_items'          => __( 'Search invoices', 'invoicing' ),
+                        'not_found'             => __( 'No invoices found', 'invoicing' ),
+                        'not_found_in_trash'    => __( 'No invoices found in trash', 'invoicing' ),
+                        'parent'                => __( 'Parent invoice', 'invoicing' ),
+                        'featured_image'        => __( 'Invoice image', 'invoicing' ),
+                        'set_featured_image'    => __( 'Set invoice image', 'invoicing' ),
+                        'remove_featured_image' => __( 'Remove invoice image', 'invoicing' ),
+                        'use_featured_image'    => __( 'Use as invoice image', 'invoicing' ),
+                        'insert_into_item'      => __( 'Insert into invoice', 'invoicing' ),
+                        'uploaded_to_this_item' => __( 'Uploaded to this invoice', 'invoicing' ),
+                        'filter_items_list'     => __( 'Filter invoices', 'invoicing' ),
+                        'items_list_navigation' => __( 'Invoices navigation', 'invoicing' ),
+                        'items_list'            => __( 'Invoices list', 'invoicing' ),
+                    ),
+                    'description'           => __( 'This is where invoices are stored.', 'invoicing' ),
+                    'public'                => true,
+                    'has_archive'           => false,
+                    'publicly_queryable'    => true,
+                    'exclude_from_search'   => true,
+                    'show_ui'               => true,
+                    'show_in_menu'          => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
+                    'show_in_nav_menus'     => false,
+                    'supports'              => array( 'title', 'author', 'excerpt'  ),
+                    'rewrite'               => array(
+                        'slug'              => 'invoice',
+                        'with_front'        => false,
+                    ),
+                    'query_var'             => false,
+                    'capability_type'       => 'wpi_invoice',
+                    'map_meta_cap'          => true,
+                    'show_in_admin_bar'     => true,
+                    'can_export'            => true,
+                    'hierarchical'          => false,
+                    'menu_position'         => null,
+                    'menu_icon'             => 'dashicons-media-spreadsheet',
+                )
+            )
+        );
 
-		// Register discount post type.
-		register_post_type(
-			'wpi_discount',
-			apply_filters(
-				'wpinv_register_post_type_discount',
-				array(
-					'labels'                 => array(
-						'name'                  => __( 'Discounts', 'invoicing' ),
-						'singular_name'         => __( 'Discount', 'invoicing' ),
-						'all_items'             => __( 'Discounts', 'invoicing' ),
-						'menu_name'             => _x( 'Discounts', 'Admin menu name', 'invoicing' ),
-						'add_new'               => __( 'Add New', 'invoicing' ),
-						'add_new_item'          => __( 'Add new discount', 'invoicing' ),
-						'edit'                  => __( 'Edit', 'invoicing' ),
-						'edit_item'             => __( 'Edit discount', 'invoicing' ),
-						'new_item'              => __( 'New discount', 'invoicing' ),
-						'view_item'             => __( 'View discount', 'invoicing' ),
-						'view_items'            => __( 'View Discounts', 'invoicing' ),
-						'search_items'          => __( 'Search discounts', 'invoicing' ),
-						'not_found'             => __( 'No discounts found', 'invoicing' ),
-						'not_found_in_trash'    => __( 'No discounts found in trash', 'invoicing' ),
-						'parent'                => __( 'Parent discount', 'invoicing' ),
-						'featured_image'        => __( 'Discount image', 'invoicing' ),
-						'set_featured_image'    => __( 'Set discount image', 'invoicing' ),
-						'remove_featured_image' => __( 'Remove discount image', 'invoicing' ),
-						'use_featured_image'    => __( 'Use as discount image', 'invoicing' ),
-						'insert_into_item'      => __( 'Insert into discount', 'invoicing' ),
-						'uploaded_to_this_item' => __( 'Uploaded to this discount', 'invoicing' ),
-						'filter_items_list'     => __( 'Filter discounts', 'invoicing' ),
-						'items_list_navigation' => __( 'Discount navigation', 'invoicing' ),
-						'items_list'            => __( 'Discounts list', 'invoicing' ),
-					),
-					'description'        => __( 'This is where you can add new discounts that users can use in invoices.', 'invoicing' ),
-					'public'             => false,
-					'can_export'         => true,
-					'_builtin'           => false,
-					'publicly_queryable' => false,
-					'exclude_from_search'=> true,
-					'show_ui'            => true,
-					'show_in_menu'       => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
-					'query_var'          => false,
-					'rewrite'            => false,
-					'capability_type'    => 'wpi_discount',
-					'map_meta_cap'       => true,
-					'has_archive'        => false,
-					'hierarchical'       => false,
-					'supports'           => array( 'title', 'excerpt' ),
-					'show_in_nav_menus'  => false,
-					'show_in_admin_bar'  => true,
-					'menu_position'      => null,
-				)
-			)
-		);
+        // Register discount post type.
+        register_post_type(
+            'wpi_discount',
+            apply_filters(
+                'wpinv_register_post_type_discount',
+                array(
+                    'labels'                 => array(
+                        'name'                  => __( 'Discounts', 'invoicing' ),
+                        'singular_name'         => __( 'Discount', 'invoicing' ),
+                        'all_items'             => __( 'Discounts', 'invoicing' ),
+                        'menu_name'             => _x( 'Discounts', 'Admin menu name', 'invoicing' ),
+                        'add_new'               => __( 'Add New', 'invoicing' ),
+                        'add_new_item'          => __( 'Add new discount', 'invoicing' ),
+                        'edit'                  => __( 'Edit', 'invoicing' ),
+                        'edit_item'             => __( 'Edit discount', 'invoicing' ),
+                        'new_item'              => __( 'New discount', 'invoicing' ),
+                        'view_item'             => __( 'View discount', 'invoicing' ),
+                        'view_items'            => __( 'View Discounts', 'invoicing' ),
+                        'search_items'          => __( 'Search discounts', 'invoicing' ),
+                        'not_found'             => __( 'No discounts found', 'invoicing' ),
+                        'not_found_in_trash'    => __( 'No discounts found in trash', 'invoicing' ),
+                        'parent'                => __( 'Parent discount', 'invoicing' ),
+                        'featured_image'        => __( 'Discount image', 'invoicing' ),
+                        'set_featured_image'    => __( 'Set discount image', 'invoicing' ),
+                        'remove_featured_image' => __( 'Remove discount image', 'invoicing' ),
+                        'use_featured_image'    => __( 'Use as discount image', 'invoicing' ),
+                        'insert_into_item'      => __( 'Insert into discount', 'invoicing' ),
+                        'uploaded_to_this_item' => __( 'Uploaded to this discount', 'invoicing' ),
+                        'filter_items_list'     => __( 'Filter discounts', 'invoicing' ),
+                        'items_list_navigation' => __( 'Discount navigation', 'invoicing' ),
+                        'items_list'            => __( 'Discounts list', 'invoicing' ),
+                    ),
+                    'description'        => __( 'This is where you can add new discounts that users can use in invoices.', 'invoicing' ),
+                    'public'             => false,
+                    'can_export'         => true,
+                    '_builtin'           => false,
+                    'publicly_queryable' => false,
+                    'exclude_from_search'=> true,
+                    'show_ui'            => true,
+                    'show_in_menu'       => wpinv_current_user_can_manage_invoicing() ? 'wpinv' : false,
+                    'query_var'          => false,
+                    'rewrite'            => false,
+                    'capability_type'    => 'wpi_discount',
+                    'map_meta_cap'       => true,
+                    'has_archive'        => false,
+                    'hierarchical'       => false,
+                    'supports'           => array( 'title', 'excerpt' ),
+                    'show_in_nav_menus'  => false,
+                    'show_in_admin_bar'  => true,
+                    'menu_position'      => null,
+                )
+            )
+        );
 
-		do_action( 'getpaid_after_register_post_types' );
-	}
+        do_action( 'getpaid_after_register_post_types' );
+    }
 
-	/**
-	 * Register our custom post statuses.
-	 */
-	public static function register_post_status() {
+    /**
+     * Register our custom post statuses.
+     */
+    public static function register_post_status() {
 
-		$invoice_statuses = apply_filters(
-			'getpaid_register_invoice_post_statuses',
-			array(
+        $invoice_statuses = apply_filters(
+            'getpaid_register_invoice_post_statuses',
+            array(
 
-				'wpi-pending' => array(
-					'label'                     => _x( 'Pending Payment', 'Invoice status', 'invoicing' ),
-        			'public'                    => true,
-        			'exclude_from_search'       => true,
-        			'show_in_admin_all_list'    => true,
-					'show_in_admin_status_list' => true,
-					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Pending Payment <span class="count">(%s)</span>', 'Pending Payment <span class="count">(%s)</span>', 'invoicing' )
-				),
+                'wpi-pending' => array(
+                    'label'                     => _x( 'Pending Payment', 'Invoice status', 'invoicing' ),
+                    'public'                    => true,
+                    'exclude_from_search'       => true,
+                    'show_in_admin_all_list'    => true,
+                    'show_in_admin_status_list' => true,
+                    /* translators: %s: number of invoices */
+                    'label_count'               => _n_noop( 'Pending Payment <span class="count">(%s)</span>', 'Pending Payment <span class="count">(%s)</span>', 'invoicing' )
+                ),
 
-				'wpi-processing' => array(
-					'label'                     => _x( 'Processing', 'Invoice status', 'invoicing' ),
-        			'public'                    => true,
-        			'exclude_from_search'       => true,
-        			'show_in_admin_all_list'    => true,
-					'show_in_admin_status_list' => true,
-					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Processing <span class="count">(%s)</span>', 'Processing <span class="count">(%s)</span>', 'invoicing' )
-				),
+                'wpi-processing' => array(
+                    'label'                     => _x( 'Processing', 'Invoice status', 'invoicing' ),
+                    'public'                    => true,
+                    'exclude_from_search'       => true,
+                    'show_in_admin_all_list'    => true,
+                    'show_in_admin_status_list' => true,
+                    /* translators: %s: number of invoices */
+                    'label_count'               => _n_noop( 'Processing <span class="count">(%s)</span>', 'Processing <span class="count">(%s)</span>', 'invoicing' )
+                ),
 
-				'wpi-onhold' => array(
-					'label'                     => _x( 'On Hold', 'Invoice status', 'invoicing' ),
-        			'public'                    => true,
-        			'exclude_from_search'       => true,
-        			'show_in_admin_all_list'    => true,
-					'show_in_admin_status_list' => true,
-					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'On Hold <span class="count">(%s)</span>', 'On Hold <span class="count">(%s)</span>', 'invoicing' )
-				),
+                'wpi-onhold' => array(
+                    'label'                     => _x( 'On Hold', 'Invoice status', 'invoicing' ),
+                    'public'                    => true,
+                    'exclude_from_search'       => true,
+                    'show_in_admin_all_list'    => true,
+                    'show_in_admin_status_list' => true,
+                    /* translators: %s: number of invoices */
+                    'label_count'               => _n_noop( 'On Hold <span class="count">(%s)</span>', 'On Hold <span class="count">(%s)</span>', 'invoicing' )
+                ),
 
-				'wpi-cancelled' => array(
-					'label'                     => _x( 'Cancelled', 'Invoice status', 'invoicing' ),
-        			'public'                    => true,
-        			'exclude_from_search'       => true,
-        			'show_in_admin_all_list'    => true,
-					'show_in_admin_status_list' => true,
-					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Cancelled <span class="count">(%s)</span>', 'Cancelled <span class="count">(%s)</span>', 'invoicing' )
-				),
+                'wpi-cancelled' => array(
+                    'label'                     => _x( 'Cancelled', 'Invoice status', 'invoicing' ),
+                    'public'                    => true,
+                    'exclude_from_search'       => true,
+                    'show_in_admin_all_list'    => true,
+                    'show_in_admin_status_list' => true,
+                    /* translators: %s: number of invoices */
+                    'label_count'               => _n_noop( 'Cancelled <span class="count">(%s)</span>', 'Cancelled <span class="count">(%s)</span>', 'invoicing' )
+                ),
 
-				'wpi-refunded' => array(
-					'label'                     => _x( 'Refunded', 'Invoice status', 'invoicing' ),
-        			'public'                    => true,
-        			'exclude_from_search'       => true,
-        			'show_in_admin_all_list'    => true,
-					'show_in_admin_status_list' => true,
-					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Refunded <span class="count">(%s)</span>', 'Refunded <span class="count">(%s)</span>', 'invoicing' )
-				),
+                'wpi-refunded' => array(
+                    'label'                     => _x( 'Refunded', 'Invoice status', 'invoicing' ),
+                    'public'                    => true,
+                    'exclude_from_search'       => true,
+                    'show_in_admin_all_list'    => true,
+                    'show_in_admin_status_list' => true,
+                    /* translators: %s: number of invoices */
+                    'label_count'               => _n_noop( 'Refunded <span class="count">(%s)</span>', 'Refunded <span class="count">(%s)</span>', 'invoicing' )
+                ),
 
-				'wpi-failed' => array(
-					'label'                     => _x( 'Failed', 'Invoice status', 'invoicing' ),
-        			'public'                    => true,
-        			'exclude_from_search'       => true,
-        			'show_in_admin_all_list'    => true,
-					'show_in_admin_status_list' => true,
-					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Failed <span class="count">(%s)</span>', 'Failed <span class="count">(%s)</span>', 'invoicing' )
-				),
+                'wpi-failed' => array(
+                    'label'                     => _x( 'Failed', 'Invoice status', 'invoicing' ),
+                    'public'                    => true,
+                    'exclude_from_search'       => true,
+                    'show_in_admin_all_list'    => true,
+                    'show_in_admin_status_list' => true,
+                    /* translators: %s: number of invoices */
+                    'label_count'               => _n_noop( 'Failed <span class="count">(%s)</span>', 'Failed <span class="count">(%s)</span>', 'invoicing' )
+                ),
 
-				'wpi-renewal' => array(
-					'label'                     => _x( 'Renewal', 'Invoice status', 'invoicing' ),
-        			'public'                    => true,
-        			'exclude_from_search'       => true,
-        			'show_in_admin_all_list'    => true,
-					'show_in_admin_status_list' => true,
-					/* translators: %s: number of invoices */
-        			'label_count'               => _n_noop( 'Renewal <span class="count">(%s)</span>', 'Renewal <span class="count">(%s)</span>', 'invoicing' )
-				)
-			)
-		);
+                'wpi-renewal' => array(
+                    'label'                     => _x( 'Renewal', 'Invoice status', 'invoicing' ),
+                    'public'                    => true,
+                    'exclude_from_search'       => true,
+                    'show_in_admin_all_list'    => true,
+                    'show_in_admin_status_list' => true,
+                    /* translators: %s: number of invoices */
+                    'label_count'               => _n_noop( 'Renewal <span class="count">(%s)</span>', 'Renewal <span class="count">(%s)</span>', 'invoicing' )
+                )
+            )
+        );
 
-		foreach ( $invoice_statuses as $invoice_statuse => $args ) {
-			register_post_status( $invoice_statuse, $args );
-		}
-	}
+        foreach ( $invoice_statuses as $invoice_statuse => $args ) {
+            register_post_status( $invoice_statuse, $args );
+        }
+    }
 
-	/**
-	 * Flush rewrite rules.
-	 */
-	public static function flush_rewrite_rules() {
-		flush_rewrite_rules();
-	}
+    /**
+     * Flush rewrite rules.
+     */
+    public static function flush_rewrite_rules() {
+        flush_rewrite_rules();
+    }
 
-	/**
-	 * Flush rules to prevent 404.
-	 *
-	 */
-	public static function maybe_flush_rewrite_rules() {
-		if ( ! get_option( 'getpaid_flushed_rewrite_rules' ) ) {
-			update_option( 'getpaid_flushed_rewrite_rules', '1' );
-			self::flush_rewrite_rules();
-		}
-	}
+    /**
+     * Flush rules to prevent 404.
+     *
+     */
+    public static function maybe_flush_rewrite_rules() {
+        if ( ! get_option( 'getpaid_flushed_rewrite_rules' ) ) {
+            update_option( 'getpaid_flushed_rewrite_rules', '1' );
+            self::flush_rewrite_rules();
+        }
+    }
 
 }

includes/class-getpaid-template.php

Indentation +91 added lines, -91 removed lines

@@ -1,6 +1,6 @@ 
 <?php
 if ( ! defined( 'ABSPATH' ) ) {
-	exit;
+    exit;
 }
 
 /**
@@ -20,23 +20,23 @@ 
     public $templates_url;
 
     /**
-	 * Class constructor.
-	 *
-	 * @since 1.0.19
-	 */
-	public function __construct() {
+     * Class constructor.
+     *
+     * @since 1.0.19
+     */
+    public function __construct() {
 
         $this->templates_dir = apply_filters( 'getpaid_default_templates_dir', WPINV_PLUGIN_DIR . 'templates' );
         $this->templates_url = apply_filters( 'getpaid_default_templates_url', WPINV_PLUGIN_URL . 'templates' );
     }
 
     /**
-	 * Checks if this is a preview page
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	public function is_preview() {
+     * Checks if this is a preview page
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    public function is_preview() {
         return 
             $this->is_divi_preview() ||
             $this->is_elementor_preview() ||
@@ -48,73 +48,73 @@ 
     }
 
     /**
-	 * Checks if this is an elementor preview page
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	public function is_elementor_preview() {
-		return isset( $_REQUEST['elementor-preview'] ) || ( is_admin() && isset( $_REQUEST['action'] ) && $_REQUEST['action'] == 'elementor' ) || ( isset( $_REQUEST['action'] ) && $_REQUEST['action'] == 'elementor_ajax' );
-	}
-
-	/**
-	 * Checks if this is a DIVI preview page
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	public function is_divi_preview() {
-		return isset( $_REQUEST['et_fb'] ) || isset( $_REQUEST['et_pb_preview'] ) || ( is_admin() && isset( $_REQUEST['action'] ) && $_REQUEST['action'] == 'et_pb' );
-	}
-
-	/**
-	 * Checks if this is a beaver builder preview page
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	public function is_beaver_preview() {
-		return isset( $_REQUEST['fl_builder'] );
-	}
-
-	/**
-	 * Checks if this is a siteorigin builder preview page
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	public function is_siteorigin_preview() {
-		return ! empty( $_REQUEST['siteorigin_panels_live_editor'] );
-	}
-
-	/**
-	 * Checks if this is a cornerstone builder preview page
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	public function is_cornerstone_preview() {
-		return ! empty( $_REQUEST['cornerstone_preview'] ) || basename( $_SERVER['REQUEST_URI'] ) == 'cornerstone-endpoint';
-	}
-
-	/**
-	 * Checks if this is a fusion builder preview page
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	public function is_fusion_preview() {
-		return ! empty( $_REQUEST['fb-edit'] ) || ! empty( $_REQUEST['fusion_load_nonce'] );
-	}
-
-	/**
-	 * Checks if this is an oxygen builder preview page
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	public function is_oxygen_preview() {
-		return ! empty( $_REQUEST['ct_builder'] ) || ( ! empty( $_REQUEST['action'] ) && ( substr( $_REQUEST['action'], 0, 11 ) === "oxy_render_" || substr( $_REQUEST['action'], 0, 10 ) === "ct_render_" ) );
+     * Checks if this is an elementor preview page
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    public function is_elementor_preview() {
+        return isset( $_REQUEST['elementor-preview'] ) || ( is_admin() && isset( $_REQUEST['action'] ) && $_REQUEST['action'] == 'elementor' ) || ( isset( $_REQUEST['action'] ) && $_REQUEST['action'] == 'elementor_ajax' );
+    }
+
+    /**
+     * Checks if this is a DIVI preview page
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    public function is_divi_preview() {
+        return isset( $_REQUEST['et_fb'] ) || isset( $_REQUEST['et_pb_preview'] ) || ( is_admin() && isset( $_REQUEST['action'] ) && $_REQUEST['action'] == 'et_pb' );
+    }
+
+    /**
+     * Checks if this is a beaver builder preview page
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    public function is_beaver_preview() {
+        return isset( $_REQUEST['fl_builder'] );
+    }
+
+    /**
+     * Checks if this is a siteorigin builder preview page
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    public function is_siteorigin_preview() {
+        return ! empty( $_REQUEST['siteorigin_panels_live_editor'] );
+    }
+
+    /**
+     * Checks if this is a cornerstone builder preview page
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    public function is_cornerstone_preview() {
+        return ! empty( $_REQUEST['cornerstone_preview'] ) || basename( $_SERVER['REQUEST_URI'] ) == 'cornerstone-endpoint';
+    }
+
+    /**
+     * Checks if this is a fusion builder preview page
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    public function is_fusion_preview() {
+        return ! empty( $_REQUEST['fb-edit'] ) || ! empty( $_REQUEST['fusion_load_nonce'] );
+    }
+
+    /**
+     * Checks if this is an oxygen builder preview page
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    public function is_oxygen_preview() {
+        return ! empty( $_REQUEST['ct_builder'] ) || ( ! empty( $_REQUEST['action'] ) && ( substr( $_REQUEST['action'], 0, 11 ) === "oxy_render_" || substr( $_REQUEST['action'], 0, 10 ) === "ct_render_" ) );
     }
 
     /**
@@ -124,13 +124,13 @@ 
      * @param string $template_path The template path relative to the theme's root dir. Defaults to 'invoicing'.
      * @param string $default_path The root path to the default template. Defaults to invoicing/templates
      */
-	public function locate_template( $template_name, $template_path = '', $default_path = '' ) {
+    public function locate_template( $template_name, $template_path = '', $default_path = '' ) {
 
         // Load the defaults for the template path and default path.
         $template_path = empty( $template_path ) ? 'invoicing' : $template_path;
         $default_path  = empty( $default_path ) ? $this->templates_dir : $default_path;
 
-         // Is it overidden?
+            // Is it overidden?
         $template = locate_template(
             array( trailingslashit( $template_path ) . $template_name ),
             array( 'wpinv-' . $template_name )
@@ -145,22 +145,22 @@ 
     }
     
     /**
-	 * Loads a template
-	 *
-	 * @since 1.0.19
-	 * @return bool
-	 */
-	protected function load_template( $template_name, $template_path, $args ) {
+     * Loads a template
+     *
+     * @since 1.0.19
+     * @return bool
+     */
+    protected function load_template( $template_name, $template_path, $args ) {
 
         if ( is_array( $args ) ){
             extract( $args );
         }
 
         // Fires before loading a template.
-	    do_action( 'wpinv_before_template_part', $template_name, $template_path, $args );
+        do_action( 'wpinv_before_template_part', $template_name, $template_path, $args );
 
         // Load the template.
-	    include( $template_path );
+        include( $template_path );
 
         // Fires after loading a template.
         do_action( 'wpinv_after_template_part', $template_name, $template_path, $args );
@@ -177,7 +177,7 @@ 
      * @param string $template_path The templates directory relative to the theme's root dir. Defaults to 'invoicing'.
      * @param string $default_path The root path to the default template. Defaults to invoicing/templates
      */
-	public function display_template( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
+    public function display_template( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
 
         // Locate the template.
         $located = wpinv_locate_template( $template_name, $template_path, $default_path );
@@ -202,7 +202,7 @@ 
      * @param string $template_path The templates directory relative to the theme's root dir. Defaults to 'invoicing'.
      * @param string $default_path The root path to the default template. Defaults to invoicing/templates
      */
-	public function get_template( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
+    public function get_template( $template_name, $args = array(), $template_path = '', $default_path = '' ) {
         ob_start();
         $this->display_template( $template_name, $args, $template_path, $default_path );
         return ob_get_clean();

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;
+    }
 
 }

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

Indentation +129 added lines, -129 removed lines

@@ -15,136 +15,136 @@
 class WPInv_REST_Invoice_Controller extends GetPaid_REST_Posts_Controller {
 
     /**
-	 * Post type.
-	 *
-	 * @var string
-	 */
-	protected $post_type = 'wpi_invoice';
-
-	/**
-	 * The base of this controller's route.
-	 *
-	 * @since 1.0.13
-	 * @var string
-	 */
-	protected $rest_base = 'invoices';
-
-	/** Contains this controller's class name.
-	 *
-	 * @var string
-	 */
-	public $crud_class = 'WPInv_Invoice';
+     * Post type.
+     *
+     * @var string
+     */
+    protected $post_type = 'wpi_invoice';
 
     /**
-	 * Retrieves the query params for the invoices collection.
-	 *
-	 * @since 1.0.13
-	 *
-	 * @return array Collection parameters.
-	 */
-	public function get_collection_params() {
-
-		$params = array_merge(
-
-			parent::get_collection_params(),
-
-			array(
-
-
-				'customers' => array(
-					'description'       => __( 'Limit result set to invoices for specific user ids.', 'invoicing' ),
-					'type'              => 'array',
-					'items'             => array(
-						'type'          => 'integer',
-					),
-					'default'           => array(),
-					'sanitize_callback' => 'wp_parse_id_list',
-				),
-
-				'exclude_customers'  	=> array(
-					'description' 		=> __( 'Exclude invoices to specific users.', 'invoicing' ),
-					'type'        		=> 'array',
-					'items'       		=> array(
-						'type'          => 'integer',
-					),
-					'default'     		=> array(),
-					'sanitize_callback' => 'wp_parse_id_list',
-				),
-
-				'parent'  	            => array(
-					'description'       => __( 'Limit result set to those of particular parent IDs.', 'invoicing' ),
-					'type'              => 'array',
-					'items'             => array(
-						'type'          => 'integer',
-					),
-					'sanitize_callback' => 'wp_parse_id_list',
-					'default'           => array(),
-				),
-
-				'parent_exclude'  	    => array(
-					'description'       => __( 'Limit result set to all items except those of a particular parent ID.', 'invoicing' ),
-					'type'              => 'array',
-					'items'             => array(
-						'type'          => 'integer',
-					),
-					'sanitize_callback' => 'wp_parse_id_list',
-					'default'           => array(),
-				),
-
-			)
-
-		);
-
-		// Filter collection parameters for the invoices controller.
-		return apply_filters( 'getpaid_rest_invoices_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 invoices for specific customers.
-		if ( ! empty( $request['customers'] ) ) {
-			$query_args['author__in'] = $request['customers'];
-		}
-
-		// Skip invoices for specific customers.
-		if ( ! empty( $request['exclude_customers'] ) ) {
-			$query_args['author__not_in'] = $request['exclude_customers'];
-		}
-
-		return apply_filters( 'getpaid_rest_invoices_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_keys( wpinv_get_invoice_statuses( true ) );
-	}
-
-	/**
-	 * Saves a single invoice.
-	 *
-	 * @param WPInv_Invoice $invoice Invoice to save.
-	 * @return WP_Error|WPInv_Invoice
-	 */
-	protected function save_object( $invoice ) {
-		$invoice->recalculate_total();
-		return parent::save_object( $invoice );
-	}
+     * The base of this controller's route.
+     *
+     * @since 1.0.13
+     * @var string
+     */
+    protected $rest_base = 'invoices';
+
+    /** Contains this controller's class name.
+     *
+     * @var string
+     */
+    public $crud_class = 'WPInv_Invoice';
+
+    /**
+     * Retrieves the query params for the invoices collection.
+     *
+     * @since 1.0.13
+     *
+     * @return array Collection parameters.
+     */
+    public function get_collection_params() {
+
+        $params = array_merge(
+
+            parent::get_collection_params(),
+
+            array(
+
+
+                'customers' => array(
+                    'description'       => __( 'Limit result set to invoices for specific user ids.', 'invoicing' ),
+                    'type'              => 'array',
+                    'items'             => array(
+                        'type'          => 'integer',
+                    ),
+                    'default'           => array(),
+                    'sanitize_callback' => 'wp_parse_id_list',
+                ),
+
+                'exclude_customers'  	=> array(
+                    'description' 		=> __( 'Exclude invoices to specific users.', 'invoicing' ),
+                    'type'        		=> 'array',
+                    'items'       		=> array(
+                        'type'          => 'integer',
+                    ),
+                    'default'     		=> array(),
+                    'sanitize_callback' => 'wp_parse_id_list',
+                ),
+
+                'parent'  	            => array(
+                    'description'       => __( 'Limit result set to those of particular parent IDs.', 'invoicing' ),
+                    'type'              => 'array',
+                    'items'             => array(
+                        'type'          => 'integer',
+                    ),
+                    'sanitize_callback' => 'wp_parse_id_list',
+                    'default'           => array(),
+                ),
+
+                'parent_exclude'  	    => array(
+                    'description'       => __( 'Limit result set to all items except those of a particular parent ID.', 'invoicing' ),
+                    'type'              => 'array',
+                    'items'             => array(
+                        'type'          => 'integer',
+                    ),
+                    'sanitize_callback' => 'wp_parse_id_list',
+                    'default'           => array(),
+                ),
+
+            )
+
+        );
+
+        // Filter collection parameters for the invoices controller.
+        return apply_filters( 'getpaid_rest_invoices_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 invoices for specific customers.
+        if ( ! empty( $request['customers'] ) ) {
+            $query_args['author__in'] = $request['customers'];
+        }
+
+        // Skip invoices for specific customers.
+        if ( ! empty( $request['exclude_customers'] ) ) {
+            $query_args['author__not_in'] = $request['exclude_customers'];
+        }
+
+        return apply_filters( 'getpaid_rest_invoices_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_keys( wpinv_get_invoice_statuses( true ) );
+    }
+
+    /**
+     * Saves a single invoice.
+     *
+     * @param WPInv_Invoice $invoice Invoice to save.
+     * @return WP_Error|WPInv_Invoice
+     */
+    protected function save_object( $invoice ) {
+        $invoice->recalculate_total();
+        return parent::save_object( $invoice );
+    }
 
 }

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

Indentation +619 added lines, -619 removed lines

@@ -18,628 +18,628 @@
 class GetPaid_REST_Posts_Controller extends GetPaid_REST_CRUD_Controller {
 
     /**
-	 * Post type.
-	 *
-	 * @var string
-	 */
-	protected $post_type;
-
-	/**
-	 * Controls visibility on frontend.
-	 *
-	 * @var string
-	 */
-	public $public = false;
-
-	/**
-	 * 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(
-			$namespace,
-			'/' . $this->rest_base . '/batch',
-			array(
-				array(
-					'methods'             => WP_REST_Server::EDITABLE,
-					'callback'            => array( $this, 'batch_items' ),
-					'permission_callback' => array( $this, 'batch_items_permissions_check' ),
-					'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
-				),
-				'schema' => array( $this, 'get_public_batch_schema' ),
-			)
-		);
-
-	}
-
-	/**
-	 * Check permissions of items on REST API.
-	 *
-	 * @since 1.0.19
-	 * @param string $context   Request context.
-	 * @param int    $object_id Post ID.
-	 * @return bool
-	 */
-	public function check_post_permissions( $context = 'read', $object_id = 0 ) {
-
-		$contexts = array(
-			'read'   => 'read_private_posts',
-			'create' => 'publish_posts',
-			'edit'   => 'edit_post',
-			'delete' => 'delete_post',
-			'batch'  => 'edit_others_posts',
-		);
-
-		$cap              = $contexts[ $context ];
-		$post_type_object = get_post_type_object( $this->post_type );
-		$permission       = current_user_can( $post_type_object->cap->$cap, $object_id );
-
-		return apply_filters( 'getpaid_rest_check_permissions', $permission, $context, $object_id, $this->post_type );
-	}
-
-	/**
-	 * Check if a given request has access to read items.
-	 *
-	 * @param  WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|boolean
-	 */
-	public function get_items_permissions_check( $request ) {
-		return $this->check_post_permissions() ? true : new WP_Error( 'rest_cannot_view', __( 'Sorry, you cannot list resources.', 'invoicing' ), array( 'status' => rest_authorization_required_code() ) );
-	}
-
-	/**
-	 * Check if a given request has access to create an item.
-	 *
-	 * @param  WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|boolean
-	 */
-	public function create_item_permissions_check( $request ) {
-		return $this->check_post_permissions( 'create' ) ? true : new WP_Error( 'rest_cannot_create', __( 'Sorry, you are not allowed to create resources.', 'invoicing' ), array( 'status' => rest_authorization_required_code() ) );
-	}
-
-	/**
-	 * Check if a given request has access to read an item.
-	 *
-	 * @param  WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|boolean
-	 */
-	public function get_item_permissions_check( $request ) {
-		$post = get_post( (int) $request['id'] );
-
-		if ( $post && ! $this->check_post_permissions( 'read', $post->ID ) ) {
-			return new WP_Error( 'rest_cannot_view', __( 'Sorry, you cannot view this resource.', 'invoicing' ), array( 'status' => rest_authorization_required_code() ) );
-		}
-
-		return true;
-	}
-
-	/**
-	 * Check if a given request has access to update an item.
-	 *
-	 * @param  WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|boolean
-	 */
-	public function update_item_permissions_check( $request ) {
-		$post = get_post( (int) $request['id'] );
-
-		if ( $post && ! $this->check_post_permissions( 'edit', $post->ID ) ) {
-			return new WP_Error( 'rest_cannot_edit', __( 'Sorry, you are not allowed to edit this resource.', 'invoicing' ), array( 'status' => rest_authorization_required_code() ) );
-		}
-
-		return true;
-	}
-
-	/**
-	 * Check if a given request has access to delete an item.
-	 *
-	 * @param  WP_REST_Request $request Full details about the request.
-	 * @return bool|WP_Error
-	 */
-	public function delete_item_permissions_check( $request ) {
-		$post = get_post( (int) $request['id'] );
-
-		if ( $post && ! $this->check_post_permissions( 'delete', $post->ID ) ) {
-			return new WP_Error( 'rest_cannot_delete', __( 'Sorry, you are not allowed to delete this resource.', 'invoicing' ), array( 'status' => rest_authorization_required_code() ) );
-		}
-
-		return true;
-	}
-
-	/**
-	 * Check if a given request has access batch create, update and delete items.
-	 *
-	 * @param  WP_REST_Request $request Full details about the request.
-	 *
-	 * @return boolean|WP_Error
-	 */
-	public function batch_items_permissions_check( $request ) {
-		return $this->check_post_permissions( 'batch' ) ? true : new WP_Error( 'rest_cannot_batch', __( 'Sorry, you are not allowed to batch manipulate this resource.', 'invoicing' ), array( 'status' => rest_authorization_required_code() ) );
-	}
-
-	/**
-	 * @deprecated
-	 */
-	public function get_post( $object_id ) {
-		return $this->get_object( $object_id );
+     * Post type.
+     *
+     * @var string
+     */
+    protected $post_type;
+
+    /**
+     * Controls visibility on frontend.
+     *
+     * @var string
+     */
+    public $public = false;
+
+    /**
+     * 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(
+            $namespace,
+            '/' . $this->rest_base . '/batch',
+            array(
+                array(
+                    'methods'             => WP_REST_Server::EDITABLE,
+                    'callback'            => array( $this, 'batch_items' ),
+                    'permission_callback' => array( $this, 'batch_items_permissions_check' ),
+                    'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
+                ),
+                'schema' => array( $this, 'get_public_batch_schema' ),
+            )
+        );
+
+    }
+
+    /**
+     * Check permissions of items on REST API.
+     *
+     * @since 1.0.19
+     * @param string $context   Request context.
+     * @param int    $object_id Post ID.
+     * @return bool
+     */
+    public function check_post_permissions( $context = 'read', $object_id = 0 ) {
+
+        $contexts = array(
+            'read'   => 'read_private_posts',
+            'create' => 'publish_posts',
+            'edit'   => 'edit_post',
+            'delete' => 'delete_post',
+            'batch'  => 'edit_others_posts',
+        );
+
+        $cap              = $contexts[ $context ];
+        $post_type_object = get_post_type_object( $this->post_type );
+        $permission       = current_user_can( $post_type_object->cap->$cap, $object_id );
+
+        return apply_filters( 'getpaid_rest_check_permissions', $permission, $context, $object_id, $this->post_type );
+    }
+
+    /**
+     * Check if a given request has access to read items.
+     *
+     * @param  WP_REST_Request $request Full details about the request.
+     * @return WP_Error|boolean
+     */
+    public function get_items_permissions_check( $request ) {
+        return $this->check_post_permissions() ? true : new WP_Error( 'rest_cannot_view', __( 'Sorry, you cannot list resources.', 'invoicing' ), array( 'status' => rest_authorization_required_code() ) );
+    }
+
+    /**
+     * Check if a given request has access to create an item.
+     *
+     * @param  WP_REST_Request $request Full details about the request.
+     * @return WP_Error|boolean
+     */
+    public function create_item_permissions_check( $request ) {
+        return $this->check_post_permissions( 'create' ) ? true : new WP_Error( 'rest_cannot_create', __( 'Sorry, you are not allowed to create resources.', 'invoicing' ), array( 'status' => rest_authorization_required_code() ) );
+    }
+
+    /**
+     * Check if a given request has access to read an item.
+     *
+     * @param  WP_REST_Request $request Full details about the request.
+     * @return WP_Error|boolean
+     */
+    public function get_item_permissions_check( $request ) {
+        $post = get_post( (int) $request['id'] );
+
+        if ( $post && ! $this->check_post_permissions( 'read', $post->ID ) ) {
+            return new WP_Error( 'rest_cannot_view', __( 'Sorry, you cannot view this resource.', 'invoicing' ), array( 'status' => rest_authorization_required_code() ) );
+        }
+
+        return true;
+    }
+
+    /**
+     * Check if a given request has access to update an item.
+     *
+     * @param  WP_REST_Request $request Full details about the request.
+     * @return WP_Error|boolean
+     */
+    public function update_item_permissions_check( $request ) {
+        $post = get_post( (int) $request['id'] );
+
+        if ( $post && ! $this->check_post_permissions( 'edit', $post->ID ) ) {
+            return new WP_Error( 'rest_cannot_edit', __( 'Sorry, you are not allowed to edit this resource.', 'invoicing' ), array( 'status' => rest_authorization_required_code() ) );
+        }
+
+        return true;
+    }
+
+    /**
+     * Check if a given request has access to delete an item.
+     *
+     * @param  WP_REST_Request $request Full details about the request.
+     * @return bool|WP_Error
+     */
+    public function delete_item_permissions_check( $request ) {
+        $post = get_post( (int) $request['id'] );
+
+        if ( $post && ! $this->check_post_permissions( 'delete', $post->ID ) ) {
+            return new WP_Error( 'rest_cannot_delete', __( 'Sorry, you are not allowed to delete this resource.', 'invoicing' ), array( 'status' => rest_authorization_required_code() ) );
+        }
+
+        return true;
+    }
+
+    /**
+     * Check if a given request has access batch create, update and delete items.
+     *
+     * @param  WP_REST_Request $request Full details about the request.
+     *
+     * @return boolean|WP_Error
+     */
+    public function batch_items_permissions_check( $request ) {
+        return $this->check_post_permissions( 'batch' ) ? true : new WP_Error( 'rest_cannot_batch', __( 'Sorry, you are not allowed to batch manipulate this resource.', 'invoicing' ), array( 'status' => rest_authorization_required_code() ) );
+    }
+
+    /**
+     * @deprecated
+     */
+    public function get_post( $object_id ) {
+        return $this->get_object( $object_id );
+    }
+
+    /**
+     * Get a single object.
+     *
+     * @param WP_REST_Request $request Full details about the request.
+     * @return WP_Error|WP_REST_Response
+     */
+    public function get_item( $request ) {
+
+        // Fetch item.
+        $response = parent::get_item( $request );
+
+        // (Maybe) add a link to the html pagee.
+        if ( $this->public && ! is_wp_error( $response ) ) {
+            $response->link_header( 'alternate', get_permalink( $this->data_object->get_id() ), array( 'type' => 'text/html' ) );
+        }
+
+        return $response;
+    }
+
+    /**
+     * Create a single object.
+     *
+     * @param WP_REST_Request $request Full details about the request.
+     * @return WP_Error|WP_REST_Response
+     */
+    public function create_item( $request ) {
+
+        // Create item.
+        $response = parent::create_item( $request );
+
+        // Fire a hook after an item is created.
+        if ( ! is_wp_error( $response ) ) {
+
+            /**
+             * Fires after a single item is created or updated via the REST API.
+             *
+             * @param WP_Post         $post      Post object.
+             * @param WP_REST_Request $request   Request object.
+             * @param boolean         $creating  True when creating item, false when updating.
+             */
+            do_action( "getpaid_rest_insert_{$this->post_type}", $this->data_object, $request, true );
+
+        }
+
+        return $response;
+
     }
 
-	/**
-	 * Get a single object.
-	 *
-	 * @param WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|WP_REST_Response
-	 */
-	public function get_item( $request ) {
-
-		// Fetch item.
-		$response = parent::get_item( $request );
-
-		// (Maybe) add a link to the html pagee.
-		if ( $this->public && ! is_wp_error( $response ) ) {
-			$response->link_header( 'alternate', get_permalink( $this->data_object->get_id() ), array( 'type' => 'text/html' ) );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Create a single object.
-	 *
-	 * @param WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|WP_REST_Response
-	 */
-	public function create_item( $request ) {
-
-		// Create item.
-		$response = parent::create_item( $request );
-
-		// Fire a hook after an item is created.
-		if ( ! is_wp_error( $response ) ) {
-
-			/**
-			 * Fires after a single item is created or updated via the REST API.
-			 *
-			 * @param WP_Post         $post      Post object.
-			 * @param WP_REST_Request $request   Request object.
-			 * @param boolean         $creating  True when creating item, false when updating.
-			 */
-			do_action( "getpaid_rest_insert_{$this->post_type}", $this->data_object, $request, true );
-
-		}
-
-		return $response;
-
-	}
-
-	/**
-	 * Update a single object.
-	 *
-	 * @param WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|WP_REST_Response
-	 */
-	public function update_item( $request ) {
-
-		// Create item.
-		$response = parent::update_item( $request );
-
-		// Fire a hook after an item is created.
-		if ( ! is_wp_error( $response ) ) {
-
-			/**
-			 * Fires after a single item is created or updated via the REST API.
-			 *
-			 * @param WP_Post         $post      Post object.
-			 * @param WP_REST_Request $request   Request object.
-			 * @param boolean         $creating  True when creating item, false when updating.
-			 */
-			do_action( "getpaid_rest_insert_{$this->post_type}", $this->data_object, $request, false );
-
-		}
-
-		return $response;
-
-	}
-
-	/**
-	 * Get a collection of objects.
-	 *
-	 * @param WP_REST_Request $request Full details about the request.
-	 * @return WP_Error|WP_REST_Response
-	 */
-	public function get_items( $request ) {
-
-		$args                         = array();
-		$args['offset']               = $request['offset'];
-		$args['order']                = $request['order'];
-		$args['orderby']              = $request['orderby'];
-		$args['paged']                = $request['page'];
-		$args['post__in']             = $request['include'];
-		$args['post__not_in']         = $request['exclude'];
-		$args['posts_per_page']       = $request['per_page'];
-		$args['name']                 = $request['slug'];
-		$args['post_parent__in']      = $request['parent'];
-		$args['post_parent__not_in']  = $request['parent_exclude'];
-		$args['s']                    = $request['search'];
-		$args['post_status']          = wpinv_parse_list( $request['status'] );
-
-		$args['date_query'] = array();
-
-		// Set before into date query. Date query must be specified as an array of an array.
-		if ( isset( $request['before'] ) ) {
-			$args['date_query'][0]['before'] = $request['before'];
-		}
-
-		// Set after into date query. Date query must be specified as an array of an array.
-		if ( isset( $request['after'] ) ) {
-			$args['date_query'][0]['after'] = $request['after'];
-		}
-
-		// Force the post_type & fields arguments, since they're not a user input variable.
-		$args['post_type'] = $this->post_type;
-		$args['fields']    = 'ids';
-
-		// Filter the query arguments for a request.
-		$args       = apply_filters( "getpaid_rest_{$this->post_type}_query", $args, $request );
-		$query_args = $this->prepare_items_query( $args, $request );
-
-		$posts_query = new WP_Query();
-		$query_result = $posts_query->query( $query_args );
-
-		$posts = array();
-		foreach ( $query_result as $post_id ) {
-			if ( ! $this->check_post_permissions( 'read', $post_id ) ) {
-				continue;
-			}
-
-			$data    = $this->prepare_item_for_response( $this->get_object( $post_id ), $request );
-			$posts[] = $this->prepare_response_for_collection( $data );
-		}
-
-		$page        = (int) $query_args['paged'];
-		$total_posts = $posts_query->found_posts;
-
-		if ( $total_posts < 1 ) {
-			// Out-of-bounds, run the query again without LIMIT for total count.
-			unset( $query_args['paged'] );
-			$count_query = new WP_Query();
-			$count_query->query( $query_args );
-			$total_posts = $count_query->found_posts;
-		}
-
-		$max_pages = ceil( $total_posts / (int) $query_args['posts_per_page'] );
-
-		$response = rest_ensure_response( $posts );
-		$response->header( 'X-WP-Total', (int) $total_posts );
-		$response->header( 'X-WP-TotalPages', (int) $max_pages );
-
-		$request_params = $request->get_query_params();
-		$base = add_query_arg( $request_params, rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
-
-		if ( $page > 1 ) {
-			$prev_page = $page - 1;
-			if ( $prev_page > $max_pages ) {
-				$prev_page = $max_pages;
-			}
-			$prev_link = add_query_arg( 'page', $prev_page, $base );
-			$response->link_header( 'prev', $prev_link );
-		}
-		if ( $max_pages > $page ) {
-			$next_page = $page + 1;
-			$next_link = add_query_arg( 'page', $next_page, $base );
-			$response->link_header( 'next', $next_link );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Delete a single item.
-	 *
-	 * @param WP_REST_Request $request Full details about the request.
-	 * @return WP_REST_Response|WP_Error
-	 */
-	public function delete_item( $request ) {
-
-		// Fetch the item.
-		$item = $this->get_object( $request['id'] );
-		if ( is_wp_error( $item ) ) {
-			return $item;
-		}
-
-		$supports_trash = EMPTY_TRASH_DAYS > 0;
-		$force          = $supports_trash && (bool) $request['force'];
-
-		if ( ! $this->check_post_permissions( 'delete', $item->ID ) ) {
-			return new WP_Error( "cannot_delete", __( 'Sorry, you are not allowed to delete this resource.', 'invoicing' ), array( 'status' => rest_authorization_required_code() ) );
-		}
-
-		$request->set_param( 'context', 'edit' );
-		$response = $this->prepare_item_for_response( $item, $request );
-
-		if ( ! wp_delete_post( $item->ID, $force ) ) {
-			return new WP_Error( 'rest_cannot_delete', sprintf( __( 'The resource cannot be deleted.', 'invoicing' ), $this->post_type ), array( 'status' => 500 ) );
-		}
-
-		return $response;
-	}
-
-	/**
-	 * Prepare links for the request.
-	 *
-	 * @param GetPaid_Data    $object GetPaid_Data object.
-	 * @return array Links for the given object.
-	 */
-	protected function prepare_links( $object ) {
-
-		$links = parent::prepare_links( $object );
-
-		if ( is_callable( array( $object, 'get_user_id' ) ) ) {
-			$links['user'] = array(
-				'href'       => rest_url( 'wp/v2/users/' . call_user_func(  array( $object, 'get_user_id' )  ) ),
-				'embeddable' => true,
-			);
-		}
-
-		if ( is_callable( array( $object, 'get_owner' ) ) ) {
-			$links['owner']  = array(
-				'href'       => rest_url( 'wp/v2/users/' . call_user_func(  array( $object, 'get_owner' )  ) ),
-				'embeddable' => true,
-			);
-		}
-
-		if ( is_callable( array( $object, 'get_parent_id' ) ) && call_user_func(  array( $object, 'get_parent_id' )  ) ) {
-			$links['parent']  = array(
-				'href'       => rest_url( "$this->namespace/$this->rest_base/" . call_user_func(  array( $object, 'get_parent_id' )  ) ),
-				'embeddable' => true,
-			);
-		}
-
-		return $links;
-	}
-
-	/**
-	 * 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 ) {
-
-		$valid_vars = array_flip( $this->get_allowed_query_vars() );
-		$query_args = array();
-		foreach ( $valid_vars as $var => $index ) {
-			if ( isset( $prepared_args[ $var ] ) ) {
-				$query_args[ $var ] = apply_filters( "getpaid_rest_query_var-{$var}", $prepared_args[ $var ], $index );
-			}
-		}
-
-		$query_args['ignore_sticky_posts'] = true;
-
-		if ( 'include' === $query_args['orderby'] ) {
-			$query_args['orderby'] = 'post__in';
-		} elseif ( 'id' === $query_args['orderby'] ) {
-			$query_args['orderby'] = 'ID'; // ID must be capitalized.
-		} elseif ( 'slug' === $query_args['orderby'] ) {
-			$query_args['orderby'] = 'name';
-		}
-
-		return apply_filters( 'getpaid_rest_prepare_items_query', $query_args, $request, $this );
-
-	}
-
-	/**
-	 * Get all the WP Query vars that are allowed for the API request.
-	 *
-	 * @return array
-	 */
-	protected function get_allowed_query_vars() {
-		global $wp;
-
-		/**
-		 * Filter the publicly allowed query vars.
-		 *
-		 * Allows adjusting of the default query vars that are made public.
-		 *
-		 * @param array  Array of allowed WP_Query query vars.
-		 */
-		$valid_vars = apply_filters( 'query_vars', $wp->public_query_vars );
-
-		$post_type_obj = get_post_type_object( $this->post_type );
-		if ( current_user_can( $post_type_obj->cap->edit_posts ) ) {
-			$private = apply_filters( 'getpaid_rest_private_query_vars', $wp->private_query_vars );
-			$valid_vars = array_merge( $valid_vars, $private );
-		}
-
-		// Define our own in addition to WP's normal vars.
-		$rest_valid = array(
-			'post_status',
-			'date_query',
-			'ignore_sticky_posts',
-			'offset',
-			'post__in',
-			'post__not_in',
-			'post_parent',
-			'post_parent__in',
-			'post_parent__not_in',
-			'posts_per_page',
-			'meta_query',
-			'tax_query',
-			'meta_key',
-			'meta_value',
-			'meta_compare',
-			'meta_value_num',
-		);
-		$valid_vars = array_merge( $valid_vars, $rest_valid );
-
-		// Filter allowed query vars for the REST API.
-		$valid_vars = apply_filters( 'getpaid_rest_query_vars', $valid_vars, $this );
-
-		return $valid_vars;
-	}
-
-	/**
-	 * Get the query params for collections of attachments.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-
-		return array_merge(
-
-			parent::get_collection_params(),
-
-			array(
-				'status' => array(
-					'default'           => $this->get_post_statuses(),
-					'description'       => __( 'Limit result set to resources assigned one or more statuses.', 'invoicing' ),
-					'type'              => array( 'array', 'string' ),
-					'items'             => array(
-						'enum'          => $this->get_post_statuses(),
-						'type'          => 'string',
-					),
-					'validate_callback' => 'rest_validate_request_arg',
-					'sanitize_callback' => array( $this, 'sanitize_post_statuses' ),
-				),
-				'after' => array(
-					'description'        => __( 'Limit response to resources created after a given ISO8601 compliant date.', 'invoicing' ),
-					'type'               => 'string',
-					'format'             => 'string',
-					'validate_callback'  => 'rest_validate_request_arg',
-					'sanitize_callback'  => 'sanitize_text_field',
-				),
-				'before' => array(
-					'description'        => __( 'Limit response to resources created before a given ISO8601 compliant date.', 'invoicing' ),
-					'type'               => 'string',
-					'format'             => 'string',
-					'validate_callback'  => 'rest_validate_request_arg',
-					'sanitize_callback'  => 'sanitize_text_field',
-				),
-				'exclude' => array(
-					'description'       => __( 'Ensure result set excludes specific IDs.', 'invoicing' ),
-					'type'              => 'array',
-					'items'             => array(
-						'type'          => 'integer',
-					),
-					'default'           => array(),
-					'sanitize_callback' => 'wp_parse_id_list',
-					'validate_callback' => 'rest_validate_request_arg',
-				),
-				'include' => array(
-					'description'       => __( 'Limit result set to specific ids.', 'invoicing' ),
-					'type'              => 'array',
-					'items'             => array(
-						'type'          => 'integer',
-					),
-					'default'           => array(),
-					'sanitize_callback' => 'wp_parse_id_list',
-					'validate_callback' => 'rest_validate_request_arg',
-				),
-				'offset' => array(
-					'description'        => __( 'Offset the result set by a specific number of items.', 'invoicing' ),
-					'type'               => 'integer',
-					'sanitize_callback'  => 'absint',
-					'validate_callback'  => 'rest_validate_request_arg',
-				),
-				'order' => array(
-					'description'        => __( 'Order sort attribute ascending or descending.', 'invoicing' ),
-					'type'               => 'string',
-					'default'            => 'desc',
-					'enum'               => array( 'asc', 'desc' ),
-					'validate_callback'  => 'rest_validate_request_arg',
-				),
-				'orderby' => array(
-					'description'        => __( 'Sort collection by object attribute.', 'invoicing' ),
-					'type'               => 'string',
-					'default'            => 'date',
-					'enum'               => array(
-						'date',
-						'id',
-						'include',
-						'title',
-						'slug',
-						'modified',
-					),
-					'validate_callback'  => 'rest_validate_request_arg',
-				),
-			)
-		);
-	}
-
-	/**
-	 * Retrieves the items's schema, conforming to JSON Schema.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @return array Item schema data.
-	 */
-	public function get_item_schema() {
-
-		// Maybe retrieve the schema from cache.
-		if ( ! empty( $this->schema ) ) {
-			return $this->add_additional_fields_schema( $this->schema );
-		}
-
-		$type   = str_replace( 'wpi_', '', $this->post_type );
-		$schema = array(
-			'$schema'    => 'http://json-schema.org/draft-04/schema#',
-			'title'      => $this->post_type,
-			'type'       => 'object',
-			'properties' => wpinv_get_data( "$type-schema" ),
-		);
-
-		// Filters the invoice schema for the REST API.
+    /**
+     * Update a single object.
+     *
+     * @param WP_REST_Request $request Full details about the request.
+     * @return WP_Error|WP_REST_Response
+     */
+    public function update_item( $request ) {
+
+        // Create item.
+        $response = parent::update_item( $request );
+
+        // Fire a hook after an item is created.
+        if ( ! is_wp_error( $response ) ) {
+
+            /**
+             * Fires after a single item is created or updated via the REST API.
+             *
+             * @param WP_Post         $post      Post object.
+             * @param WP_REST_Request $request   Request object.
+             * @param boolean         $creating  True when creating item, false when updating.
+             */
+            do_action( "getpaid_rest_insert_{$this->post_type}", $this->data_object, $request, false );
+
+        }
+
+        return $response;
+
+    }
+
+    /**
+     * Get a collection of objects.
+     *
+     * @param WP_REST_Request $request Full details about the request.
+     * @return WP_Error|WP_REST_Response
+     */
+    public function get_items( $request ) {
+
+        $args                         = array();
+        $args['offset']               = $request['offset'];
+        $args['order']                = $request['order'];
+        $args['orderby']              = $request['orderby'];
+        $args['paged']                = $request['page'];
+        $args['post__in']             = $request['include'];
+        $args['post__not_in']         = $request['exclude'];
+        $args['posts_per_page']       = $request['per_page'];
+        $args['name']                 = $request['slug'];
+        $args['post_parent__in']      = $request['parent'];
+        $args['post_parent__not_in']  = $request['parent_exclude'];
+        $args['s']                    = $request['search'];
+        $args['post_status']          = wpinv_parse_list( $request['status'] );
+
+        $args['date_query'] = array();
+
+        // Set before into date query. Date query must be specified as an array of an array.
+        if ( isset( $request['before'] ) ) {
+            $args['date_query'][0]['before'] = $request['before'];
+        }
+
+        // Set after into date query. Date query must be specified as an array of an array.
+        if ( isset( $request['after'] ) ) {
+            $args['date_query'][0]['after'] = $request['after'];
+        }
+
+        // Force the post_type & fields arguments, since they're not a user input variable.
+        $args['post_type'] = $this->post_type;
+        $args['fields']    = 'ids';
+
+        // Filter the query arguments for a request.
+        $args       = apply_filters( "getpaid_rest_{$this->post_type}_query", $args, $request );
+        $query_args = $this->prepare_items_query( $args, $request );
+
+        $posts_query = new WP_Query();
+        $query_result = $posts_query->query( $query_args );
+
+        $posts = array();
+        foreach ( $query_result as $post_id ) {
+            if ( ! $this->check_post_permissions( 'read', $post_id ) ) {
+                continue;
+            }
+
+            $data    = $this->prepare_item_for_response( $this->get_object( $post_id ), $request );
+            $posts[] = $this->prepare_response_for_collection( $data );
+        }
+
+        $page        = (int) $query_args['paged'];
+        $total_posts = $posts_query->found_posts;
+
+        if ( $total_posts < 1 ) {
+            // Out-of-bounds, run the query again without LIMIT for total count.
+            unset( $query_args['paged'] );
+            $count_query = new WP_Query();
+            $count_query->query( $query_args );
+            $total_posts = $count_query->found_posts;
+        }
+
+        $max_pages = ceil( $total_posts / (int) $query_args['posts_per_page'] );
+
+        $response = rest_ensure_response( $posts );
+        $response->header( 'X-WP-Total', (int) $total_posts );
+        $response->header( 'X-WP-TotalPages', (int) $max_pages );
+
+        $request_params = $request->get_query_params();
+        $base = add_query_arg( $request_params, rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ) );
+
+        if ( $page > 1 ) {
+            $prev_page = $page - 1;
+            if ( $prev_page > $max_pages ) {
+                $prev_page = $max_pages;
+            }
+            $prev_link = add_query_arg( 'page', $prev_page, $base );
+            $response->link_header( 'prev', $prev_link );
+        }
+        if ( $max_pages > $page ) {
+            $next_page = $page + 1;
+            $next_link = add_query_arg( 'page', $next_page, $base );
+            $response->link_header( 'next', $next_link );
+        }
+
+        return $response;
+    }
+
+    /**
+     * Delete a single item.
+     *
+     * @param WP_REST_Request $request Full details about the request.
+     * @return WP_REST_Response|WP_Error
+     */
+    public function delete_item( $request ) {
+
+        // Fetch the item.
+        $item = $this->get_object( $request['id'] );
+        if ( is_wp_error( $item ) ) {
+            return $item;
+        }
+
+        $supports_trash = EMPTY_TRASH_DAYS > 0;
+        $force          = $supports_trash && (bool) $request['force'];
+
+        if ( ! $this->check_post_permissions( 'delete', $item->ID ) ) {
+            return new WP_Error( "cannot_delete", __( 'Sorry, you are not allowed to delete this resource.', 'invoicing' ), array( 'status' => rest_authorization_required_code() ) );
+        }
+
+        $request->set_param( 'context', 'edit' );
+        $response = $this->prepare_item_for_response( $item, $request );
+
+        if ( ! wp_delete_post( $item->ID, $force ) ) {
+            return new WP_Error( 'rest_cannot_delete', sprintf( __( 'The resource cannot be deleted.', 'invoicing' ), $this->post_type ), array( 'status' => 500 ) );
+        }
+
+        return $response;
+    }
+
+    /**
+     * Prepare links for the request.
+     *
+     * @param GetPaid_Data    $object GetPaid_Data object.
+     * @return array Links for the given object.
+     */
+    protected function prepare_links( $object ) {
+
+        $links = parent::prepare_links( $object );
+
+        if ( is_callable( array( $object, 'get_user_id' ) ) ) {
+            $links['user'] = array(
+                'href'       => rest_url( 'wp/v2/users/' . call_user_func(  array( $object, 'get_user_id' )  ) ),
+                'embeddable' => true,
+            );
+        }
+
+        if ( is_callable( array( $object, 'get_owner' ) ) ) {
+            $links['owner']  = array(
+                'href'       => rest_url( 'wp/v2/users/' . call_user_func(  array( $object, 'get_owner' )  ) ),
+                'embeddable' => true,
+            );
+        }
+
+        if ( is_callable( array( $object, 'get_parent_id' ) ) && call_user_func(  array( $object, 'get_parent_id' )  ) ) {
+            $links['parent']  = array(
+                'href'       => rest_url( "$this->namespace/$this->rest_base/" . call_user_func(  array( $object, 'get_parent_id' )  ) ),
+                'embeddable' => true,
+            );
+        }
+
+        return $links;
+    }
+
+    /**
+     * 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 ) {
+
+        $valid_vars = array_flip( $this->get_allowed_query_vars() );
+        $query_args = array();
+        foreach ( $valid_vars as $var => $index ) {
+            if ( isset( $prepared_args[ $var ] ) ) {
+                $query_args[ $var ] = apply_filters( "getpaid_rest_query_var-{$var}", $prepared_args[ $var ], $index );
+            }
+        }
+
+        $query_args['ignore_sticky_posts'] = true;
+
+        if ( 'include' === $query_args['orderby'] ) {
+            $query_args['orderby'] = 'post__in';
+        } elseif ( 'id' === $query_args['orderby'] ) {
+            $query_args['orderby'] = 'ID'; // ID must be capitalized.
+        } elseif ( 'slug' === $query_args['orderby'] ) {
+            $query_args['orderby'] = 'name';
+        }
+
+        return apply_filters( 'getpaid_rest_prepare_items_query', $query_args, $request, $this );
+
+    }
+
+    /**
+     * Get all the WP Query vars that are allowed for the API request.
+     *
+     * @return array
+     */
+    protected function get_allowed_query_vars() {
+        global $wp;
+
+        /**
+         * Filter the publicly allowed query vars.
+         *
+         * Allows adjusting of the default query vars that are made public.
+         *
+         * @param array  Array of allowed WP_Query query vars.
+         */
+        $valid_vars = apply_filters( 'query_vars', $wp->public_query_vars );
+
+        $post_type_obj = get_post_type_object( $this->post_type );
+        if ( current_user_can( $post_type_obj->cap->edit_posts ) ) {
+            $private = apply_filters( 'getpaid_rest_private_query_vars', $wp->private_query_vars );
+            $valid_vars = array_merge( $valid_vars, $private );
+        }
+
+        // Define our own in addition to WP's normal vars.
+        $rest_valid = array(
+            'post_status',
+            'date_query',
+            'ignore_sticky_posts',
+            'offset',
+            'post__in',
+            'post__not_in',
+            'post_parent',
+            'post_parent__in',
+            'post_parent__not_in',
+            'posts_per_page',
+            'meta_query',
+            'tax_query',
+            'meta_key',
+            'meta_value',
+            'meta_compare',
+            'meta_value_num',
+        );
+        $valid_vars = array_merge( $valid_vars, $rest_valid );
+
+        // Filter allowed query vars for the REST API.
+        $valid_vars = apply_filters( 'getpaid_rest_query_vars', $valid_vars, $this );
+
+        return $valid_vars;
+    }
+
+    /**
+     * Get the query params for collections of attachments.
+     *
+     * @return array
+     */
+    public function get_collection_params() {
+
+        return array_merge(
+
+            parent::get_collection_params(),
+
+            array(
+                'status' => array(
+                    'default'           => $this->get_post_statuses(),
+                    'description'       => __( 'Limit result set to resources assigned one or more statuses.', 'invoicing' ),
+                    'type'              => array( 'array', 'string' ),
+                    'items'             => array(
+                        'enum'          => $this->get_post_statuses(),
+                        'type'          => 'string',
+                    ),
+                    'validate_callback' => 'rest_validate_request_arg',
+                    'sanitize_callback' => array( $this, 'sanitize_post_statuses' ),
+                ),
+                'after' => array(
+                    'description'        => __( 'Limit response to resources created after a given ISO8601 compliant date.', 'invoicing' ),
+                    'type'               => 'string',
+                    'format'             => 'string',
+                    'validate_callback'  => 'rest_validate_request_arg',
+                    'sanitize_callback'  => 'sanitize_text_field',
+                ),
+                'before' => array(
+                    'description'        => __( 'Limit response to resources created before a given ISO8601 compliant date.', 'invoicing' ),
+                    'type'               => 'string',
+                    'format'             => 'string',
+                    'validate_callback'  => 'rest_validate_request_arg',
+                    'sanitize_callback'  => 'sanitize_text_field',
+                ),
+                'exclude' => array(
+                    'description'       => __( 'Ensure result set excludes specific IDs.', 'invoicing' ),
+                    'type'              => 'array',
+                    'items'             => array(
+                        'type'          => 'integer',
+                    ),
+                    'default'           => array(),
+                    'sanitize_callback' => 'wp_parse_id_list',
+                    'validate_callback' => 'rest_validate_request_arg',
+                ),
+                'include' => array(
+                    'description'       => __( 'Limit result set to specific ids.', 'invoicing' ),
+                    'type'              => 'array',
+                    'items'             => array(
+                        'type'          => 'integer',
+                    ),
+                    'default'           => array(),
+                    'sanitize_callback' => 'wp_parse_id_list',
+                    'validate_callback' => 'rest_validate_request_arg',
+                ),
+                'offset' => array(
+                    'description'        => __( 'Offset the result set by a specific number of items.', 'invoicing' ),
+                    'type'               => 'integer',
+                    'sanitize_callback'  => 'absint',
+                    'validate_callback'  => 'rest_validate_request_arg',
+                ),
+                'order' => array(
+                    'description'        => __( 'Order sort attribute ascending or descending.', 'invoicing' ),
+                    'type'               => 'string',
+                    'default'            => 'desc',
+                    'enum'               => array( 'asc', 'desc' ),
+                    'validate_callback'  => 'rest_validate_request_arg',
+                ),
+                'orderby' => array(
+                    'description'        => __( 'Sort collection by object attribute.', 'invoicing' ),
+                    'type'               => 'string',
+                    'default'            => 'date',
+                    'enum'               => array(
+                        'date',
+                        'id',
+                        'include',
+                        'title',
+                        'slug',
+                        'modified',
+                    ),
+                    'validate_callback'  => 'rest_validate_request_arg',
+                ),
+            )
+        );
+    }
+
+    /**
+     * Retrieves the items's schema, conforming to JSON Schema.
+     *
+     * @since 1.0.19
+     *
+     * @return array Item schema data.
+     */
+    public function get_item_schema() {
+
+        // Maybe retrieve the schema from cache.
+        if ( ! empty( $this->schema ) ) {
+            return $this->add_additional_fields_schema( $this->schema );
+        }
+
+        $type   = str_replace( 'wpi_', '', $this->post_type );
+        $schema = array(
+            '$schema'    => 'http://json-schema.org/draft-04/schema#',
+            'title'      => $this->post_type,
+            'type'       => 'object',
+            'properties' => wpinv_get_data( "$type-schema" ),
+        );
+
+        // Filters the invoice schema for the REST API.
         $schema = apply_filters( "wpinv_rest_{$type}_schema", $schema );
 
-		// Cache the invoice schema.
-		$this->schema = $schema;
-
-		return $this->add_additional_fields_schema( $this->schema );
-	}
-
-	/**
-	 * Sanitizes and validates the list of post statuses.
-	 *
-	 * @since 1.0.13
-	 *
-	 * @param string|array    $statuses  One or more post statuses.
-	 * @param WP_REST_Request $request   Full details about the request.
-	 * @param string          $parameter Additional parameter to pass to validation.
-	 * @return array|WP_Error A list of valid statuses, otherwise WP_Error object.
-	 */
-	public function sanitize_post_statuses( $statuses, $request, $parameter ) {
-		return array_intersect( wp_parse_slug_list( $statuses ), $this->get_post_statuses() );
-	}
-
-	/**
-	 * Retrieves a valid list of post statuses.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @return array A list of registered item statuses.
-	 */
-	public function get_post_statuses() {
-		return get_post_stati();
-	}
-
-	/**
-	 * Checks if a key should be included in a response.
-	 *
-	 * @since  1.0.19
-	 * @param  GetPaid_Data $object  Data object.
-	 * @param  string       $field_key The key to check for.
-	 * @return bool
-	 */
-	public function object_supports_field( $object, $field_key ) {
-		$supports = parent::object_supports_field( $object, $field_key );
-		return apply_filters( "getpaid_rest_{$this->post_type}_object_supports_key", $supports, $object, $field_key );
-	}
+        // Cache the invoice schema.
+        $this->schema = $schema;
+
+        return $this->add_additional_fields_schema( $this->schema );
+    }
+
+    /**
+     * Sanitizes and validates the list of post statuses.
+     *
+     * @since 1.0.13
+     *
+     * @param string|array    $statuses  One or more post statuses.
+     * @param WP_REST_Request $request   Full details about the request.
+     * @param string          $parameter Additional parameter to pass to validation.
+     * @return array|WP_Error A list of valid statuses, otherwise WP_Error object.
+     */
+    public function sanitize_post_statuses( $statuses, $request, $parameter ) {
+        return array_intersect( wp_parse_slug_list( $statuses ), $this->get_post_statuses() );
+    }
+
+    /**
+     * Retrieves a valid list of post statuses.
+     *
+     * @since 1.0.19
+     *
+     * @return array A list of registered item statuses.
+     */
+    public function get_post_statuses() {
+        return get_post_stati();
+    }
+
+    /**
+     * Checks if a key should be included in a response.
+     *
+     * @since  1.0.19
+     * @param  GetPaid_Data $object  Data object.
+     * @param  string       $field_key The key to check for.
+     * @return bool
+     */
+    public function object_supports_field( $object, $field_key ) {
+        $supports = parent::object_supports_field( $object, $field_key );
+        return apply_filters( "getpaid_rest_{$this->post_type}_object_supports_key", $supports, $object, $field_key );
+    }
 
 }