AyeCode / invoicing

templates/emails/wpinv-email-onhold_invoice.php

Spacing +6 added lines, -6 removed lines

@@ -7,22 +7,22 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Print the email header.
-do_action( 'wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin);
 
 // Generate the custom message body.
 echo $message_body;
 
 // Print invoice details.
-do_action( 'wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin);
 
 // Print invoice items.
-do_action( 'wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin);
 
 // Print the billing details.
-do_action( 'wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin);
 
 // Print the email footer.
-do_action( 'wpinv_email_footer', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_footer', $invoice, $email_type, $sent_to_admin);

templates/emails/wpinv-email-processing_invoice.php

Spacing +6 added lines, -6 removed lines

@@ -7,22 +7,22 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Print the email header.
-do_action( 'wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin);
 
 // Generate the custom message body.
 echo $message_body;
 
 // Print invoice details.
-do_action( 'wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin);
 
 // Print invoice items.
-do_action( 'wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin);
 
 // Print the billing details.
-do_action( 'wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin);
 
 // Print the email footer.
-do_action( 'wpinv_email_footer', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_footer', $invoice, $email_type, $sent_to_admin);

templates/emails/wpinv-email-new_invoice.php

Spacing +6 added lines, -6 removed lines

@@ -7,22 +7,22 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Print the email header.
-do_action( 'wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin);
 
 // Generate the custom message body.
 echo $message_body;
 
 // Print invoice details.
-do_action( 'wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin);
 
 // Print invoice items.
-do_action( 'wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin);
 
 // Print the billing details.
-do_action( 'wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin);
 
 // Print the email footer.
-do_action( 'wpinv_email_footer', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_footer', $invoice, $email_type, $sent_to_admin);

templates/emails/wpinv-email-completed_invoice.php

Spacing +6 added lines, -6 removed lines

@@ -7,22 +7,22 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Print the email header.
-do_action( 'wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin);
 
 // Generate the custom message body.
 echo $message_body;
 
 // Print invoice details.
-do_action( 'wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin);
 
 // Print invoice items.
-do_action( 'wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin);
 
 // Print the billing details.
-do_action( 'wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin);
 
 // Print the email footer.
-do_action( 'wpinv_email_footer', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_footer', $invoice, $email_type, $sent_to_admin);

templates/emails/wpinv-email-user_invoice.php

Spacing +6 added lines, -6 removed lines

@@ -7,22 +7,22 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Print the email header.
-do_action( 'wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin);
 
 // Generate the custom message body.
 echo $message_body;
 
 // Print invoice details.
-do_action( 'wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin);
 
 // Print invoice items.
-do_action( 'wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin);
 
 // Print the billing details.
-do_action( 'wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin);
 
 // Print the email footer.
-do_action( 'wpinv_email_footer', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_footer', $invoice, $email_type, $sent_to_admin);

templates/emails/wpinv-email-cancelled_invoice.php

Spacing +6 added lines, -6 removed lines

@@ -7,22 +7,22 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Print the email header.
-do_action( 'wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin);
 
 // Generate the custom message body.
 echo $message_body;
 
 // Print invoice details.
-do_action( 'wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin);
 
 // Print invoice items.
-do_action( 'wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin);
 
 // Print the billing details.
-do_action( 'wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin);
 
 // Print the email footer.
-do_action( 'wpinv_email_footer', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_footer', $invoice, $email_type, $sent_to_admin);

templates/emails/wpinv-email-refunded_invoice.php

Spacing +6 added lines, -6 removed lines

@@ -7,22 +7,22 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Print the email header.
-do_action( 'wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin);
 
 // Generate the custom message body.
 echo $message_body;
 
 // Print invoice details.
-do_action( 'wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin);
 
 // Print invoice items.
-do_action( 'wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin);
 
 // Print the billing details.
-do_action( 'wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin);
 
 // Print the email footer.
-do_action( 'wpinv_email_footer', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_footer', $invoice, $email_type, $sent_to_admin);

templates/emails/wpinv-email-failed_invoice.php

Spacing +6 added lines, -6 removed lines

@@ -7,22 +7,22 @@
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 // Print the email header.
-do_action( 'wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_header', $email_heading, $invoice, $email_type, $sent_to_admin);
 
 // Generate the custom message body.
 echo $message_body;
 
 // Print invoice details.
-do_action( 'wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_details', $invoice, $email_type, $sent_to_admin);
 
 // Print invoice items.
-do_action( 'wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_invoice_items', $invoice, $email_type, $sent_to_admin);
 
 // Print the billing details.
-do_action( 'wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_billing_details', $invoice, $email_type, $sent_to_admin);
 
 // Print the email footer.
-do_action( 'wpinv_email_footer', $invoice, $email_type, $sent_to_admin );
+do_action('wpinv_email_footer', $invoice, $email_type, $sent_to_admin);

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

Indentation +471 added lines, -471 removed lines

@@ -17,476 +17,476 @@
  */
 class GetPaid_REST_CRUD_Controller extends GetPaid_REST_Controller {
 
-	/**
-	 * Contains this controller's class name.
-	 *
-	 * @var string
-	 */
-	public $crud_class;
-
-	/**
-	 * Contains the current CRUD object.
-	 *
-	 * @var GetPaid_Data
-	 */
-	protected $data_object;
-
-	/**
-	 * Registers the routes for the objects of the controller.
-	 *
-	 * @since 1.0.19
-	 *
-	 * @see register_rest_route()
-	 */
-	public function register_namespace_routes( $namespace ) {
-
-		register_rest_route(
-			$namespace,
-			'/' . $this->rest_base,
-			array(
-				array(
-					'methods'             => WP_REST_Server::READABLE,
-					'callback'            => array( $this, 'get_items' ),
-					'permission_callback' => array( $this, 'get_items_permissions_check' ),
-					'args'                => $this->get_collection_params(),
-				),
-				array(
-					'methods'             => WP_REST_Server::CREATABLE,
-					'callback'            => array( $this, 'create_item' ),
-					'permission_callback' => array( $this, 'create_item_permissions_check' ),
-					'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::CREATABLE ),
-				),
-				'schema' => array( $this, 'get_public_item_schema' ),
-			)
-		);
-
-		$get_item_args = array(
-			'context' => $this->get_context_param( array( 'default' => 'view' ) ),
-		);
-
-		register_rest_route(
-			$namespace,
-			'/' . $this->rest_base . '/(?P<id>[\d]+)',
-			array(
-				'args'   => array(
-					'id' => array(
-						'description' => __( 'Unique identifier for the object.', 'invoicing' ),
-						'type'        => 'integer',
-					),
-				),
-				array(
-					'methods'             => WP_REST_Server::READABLE,
-					'callback'            => array( $this, 'get_item' ),
-					'permission_callback' => array( $this, 'get_item_permissions_check' ),
-					'args'                => $get_item_args,
-				),
-				array(
-					'methods'             => WP_REST_Server::EDITABLE,
-					'callback'            => array( $this, 'update_item' ),
-					'permission_callback' => array( $this, 'update_item_permissions_check' ),
-					'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
-				),
-				array(
-					'methods'             => WP_REST_Server::DELETABLE,
-					'callback'            => array( $this, 'delete_item' ),
-					'permission_callback' => array( $this, 'delete_item_permissions_check' ),
-					'args'                => array(
-						'force' => array(
-							'type'        => 'boolean',
-							'default'     => false,
-							'description' => __( 'Whether to bypass Trash and force deletion.', 'invoicing' ),
-						),
-					),
-				),
-				'schema' => array( $this, 'get_public_item_schema' ),
-			)
-		);
-
-	}
-
-	/**
-	 * Saves a single object.
-	 *
-	 * @param GetPaid_Data $object Object to save.
-	 * @return WP_Error|GetPaid_Data
-	 */
-	protected function save_object( $object ) {
-		$object->save();
-
-		if ( ! empty( $object->last_error ) ) {
-			return new WP_Error( 'rest_cannot_save', $object->last_error, array( 'status' => 400 ) );
-		}
-
-		return new $this->crud_class( $object->get_id() );
-	}
-
-	/**
-	 * Retrieves a single object.
-	 *
-	 * @since 1.0.13
-	 *
-	 * @param int|WP_Post $object_id Supplied ID.
-	 * @return GetPaid_Data|WP_Error GetPaid_Data object if ID is valid, WP_Error otherwise.
-	 */
-	protected function get_object( $object_id ) {
-
-		// Do we have an object?
-		if ( empty( $this->crud_class ) || ! class_exists( $this->crud_class ) ) {
-			return new WP_Error( 'no_crud_class', __( 'You need to specify a CRUD class for this controller', 'invoicing' ) );
-		}
-
-		// Fetch the object.
-		$object = new $this->crud_class( $object_id );
-		if ( ! empty( $object->last_error ) ) {
-			return new WP_Error( 'rest_object_invalid_id', $object->last_error, array( 'status' => 404 ) );
-		}
-
-		$this->data_object = $object;
-		return $object->get_id() ? $object : new WP_Error( 'rest_object_invalid_id', __( 'Invalid ID.', 'invoicing' ), array( 'status' => 404 ) );
-
-	}
-
-	/**
-	 * 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 the item.
-		$object = $this->get_object( $request['id'] );
-
-		if ( is_wp_error( $object ) ) {
-			return $object;
-		}
-
-		// Generate a response.
-		return rest_ensure_response( $this->prepare_item_for_response( $object, $request ) );
-
-	}
-
-	/**
-	 * 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 ) {
-
-		// Can not create an existing item.
-		if ( ! empty( $request['id'] ) ) {
-			/* translators: %s: post type */
-			return new WP_Error( "getpaid_rest_{$this->rest_base}_exists", __( 'Cannot create existing resource.', 'invoicing' ), array( 'status' => 400 ) );
-		}
-
-		// Generate a GetPaid_Data object from the request.
-		$object = $this->prepare_item_for_database( $request );
-		if ( is_wp_error( $object ) ) {
-			return $object;
-		}
-
-		// Save the object.
-		$object = $this->save_object( $object );
-		if ( is_wp_error( $object ) ) {
-			return $object;
-		}
-
-		// Save special fields.
-		$save_special = $this->update_additional_fields_for_object( $object, $request );
-		if ( is_wp_error( $save_special ) ) {
-			$object->delete( true );
-			return $save_special;
-		}
-
-		$request->set_param( 'context', 'edit' );
-		$response = $this->prepare_item_for_response( $object, $request );
-		$response = rest_ensure_response( $response );
-		$response->set_status( 201 );
-		$response->header( 'Location', rest_url( sprintf( '/%s/%s/%d', $this->namespace, $this->rest_base, $object->get_id() ) ) );
-
-		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 ) {
-
-		// Fetch the item.
-		$object = $this->get_object( $request['id'] );
-		if ( is_wp_error( $object ) ) {
-			return $object;
-		}
-
-		// Prepare the item for saving.
-		$object = $this->prepare_item_for_database( $request );
-		if ( is_wp_error( $object ) ) {
-			return $object;
-		}
-
-		// Save the item.
-		$object = $this->save_object( $object );
-		if ( is_wp_error( $object ) ) {
-			return $object;
-		}
-
-		// Save special fields (those added via hooks).
-		$save_special = $this->update_additional_fields_for_object( $object, $request );
-		if ( is_wp_error( $save_special ) ) {
-			return $save_special;
-		}
-
-		$request->set_param( 'context', 'edit' );
-		$response = $this->prepare_item_for_response( $object, $request );
-		return rest_ensure_response( $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 = array(
-			'self'       => array(
-				'href'   => rest_url( sprintf( '/%s/%s/%d', $this->namespace, $this->rest_base, $object->get_id() ) ),
-			),
-			'collection' => array(
-				'href'   => rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ),
-			),
-		);
-
-		return $links;
-	}
-
-	/**
-	 * Get the query params for collections of attachments.
-	 *
-	 * @return array
-	 */
-	public function get_collection_params() {
-		$params = parent::get_collection_params();
-		$params['context']['default'] = 'view';
-		return $params;
-	}
-
-	/**
-	 * Only return writable props from schema.
-	 *
-	 * @param  array $schema Schema.
-	 * @return bool
-	 */
-	public function filter_writable_props( $schema ) {
-		return empty( $schema['readonly'] );
-	}
-
-	/**
-	 * Prepare a single object for create or update.
-	 *
-	 * @since 1.0.19
-	 * @param  WP_REST_Request $request Request object.
-	 * @return GetPaid_Data|WP_Error Data object or WP_Error.
-	 */
-	protected function prepare_item_for_database( $request ) {
-
-		// Do we have an object?
-		if ( empty( $this->crud_class ) || ! class_exists( $this->crud_class ) ) {
-			return new WP_Error( 'no_crud_class', __( 'You need to specify a CRUD class for this controller', 'invoicing' ) );
-		}
-
-		// Prepare the object.
-		$id        = isset( $request['id'] ) ? absint( $request['id'] ) : 0;
-		$object    = new $this->crud_class( $id );
-
-		// Abort if an error exists.
-		if ( ! empty( $object->last_error ) ) {
-			return new WP_Error( 'invalid_item', $object->last_error );
-		}
-
-		$schema    = $this->get_item_schema();
-		$data_keys = array_keys( array_filter( $schema['properties'], array( $this, 'filter_writable_props' ) ) );
-
-		// Handle all writable props.
-		foreach ( $data_keys as $key ) {
-			$value = $request[ $key ];
-
-			if ( ! is_null( $value ) ) {
-				switch ( $key ) {
-
-					case 'meta_data':
-						if ( is_array( $value ) ) {
-							foreach ( $value as $meta ) {
-								$object->update_meta_data( $meta['key'], $meta['value'], isset( $meta['id'] ) ? $meta['id'] : '' );
-							}
-						}
-						break;
-
-					default:
-						if ( is_callable( array( $object, "set_{$key}" ) ) ) {
-							$object->{"set_{$key}"}( $value );
-						}
-						break;
-				}
-			}
-
-		}
-
-		// Filters an object before it is inserted via the REST API..
-		return apply_filters( "getpaid_rest_pre_insert_{$this->rest_base}_object", $object, $request );
-	}
-
-	/**
-	 * Retrieves data from a GetPaid class.
-	 *
-	 * @since  1.0.19
-	 * @param  GetPaid_Meta_Data[]    $meta_data  meta data objects.
-	 * @return array
-	 */
-	protected function prepare_object_meta_data( $meta_data ) {
-		$meta = array();
-
-		foreach( $meta_data as $object ) {
-			$meta[] = $object->get_data();
-		}
-
-		return $meta;
-	}
-
-	/**
-	 * Retrieves invoice items.
-	 *
-	 * @since  1.0.19
-	 * @param  WPInv_Invoice $invoice  Invoice items.
-	 * @param array            $fields Fields to include.
-	 * @return array
-	 */
-	protected function prepare_invoice_items( $invoice ) {
-		$items = array();
-
-		foreach( $invoice->get_items() as $item ) {
-
-			$item_data = $item->prepare_data_for_saving();
-
-			if ( 'amount' == $invoice->get_template() ) {
-				$item_data['quantity'] = 1;
-			}
-
-			$items[] = $item_data;
-		}
-
-		return $items;
-	}
-
-	/**
-	 * Retrieves data from a GetPaid class.
-	 *
-	 * @since  1.0.19
-	 * @param  GetPaid_Data    $object  Data object.
-	 * @param array            $fields Fields to include.
-	 * @param string           $context either view or edit.
-	 * @return array
-	 */
-	protected function prepare_object_data( $object, $fields, $context = 'view' ) {
-
-		$data = array();
-
-		// Handle all writable props.
-		foreach ( array_keys( $this->get_schema_properties() ) as $key ) {
-
-			// Abort if it is not included.
-			if ( ! empty( $fields ) && ! $this->is_field_included( $key, $fields ) ) {
-				continue;
-			}
-
-			// Or this current object does not support the field.
-			if ( ! $this->object_supports_field( $object, $key ) ) {
-				continue;
-			}
-
-			// Handle meta data.
-			if ( $key == 'meta_data' ) {
-				$data['meta_data'] = $this->prepare_object_meta_data( $object->get_meta_data() );
-				continue;
-			}
-
-			// Handle items.
-			if ( $key == 'items' && is_a( $object, 'WPInv_Invoice' )  ) {
-				$data['items'] = $this->prepare_invoice_items( $object );
-				continue;
-			}
-
-			// Booleans.
-			if ( is_callable( array( $object, $key ) ) ) {
-				$data[ $key ] = $object->$key( $context );
-				continue;
-			}
-
-			// Get object value.
-			if ( is_callable( array( $object, "get_{$key}" ) ) ) {
-				$value = $object->{"get_{$key}"}( $context );
-
-				// If the value is an instance of GetPaid_Data...
-				if ( is_a( $value, 'GetPaid_Data' ) ) {
-					$value = $value->get_data( $context );
-				}
-
-				// For objects, retrieves it's properties.
-				$data[ $key ] = is_object( $value ) ? get_object_vars( $value ) :  $value ;
-				continue;
-			}
-
-		}
-
-		return $data;
-	}
-
-	/**
-	 * 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 ) {
-		return apply_filters( 'getpaid_rest_object_supports_key', true, $object, $field_key );
-	}
-
-	/**
-	 * Prepare a single object output for response.
-	 *
-	 * @since  1.0.19
-	 * @param  GetPaid_Data    $object  Data object.
-	 * @param  WP_REST_Request $request Request object.
-	 * @return WP_REST_Response
-	 */
-	public function prepare_item_for_response( $object, $request ) {
-		remove_filter( 'rest_post_dispatch', 'rest_filter_response_fields', 10 );
-
-		$this->data_object = $object;
-
-		// Fetch the fields to include in this response.
-		$fields = $this->get_fields_for_response( $request );
-
-		// Prepare object data.
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->prepare_object_data( $object, $fields, $context );
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->limit_object_to_requested_fields( $data, $fields );
-		$data    = $this->filter_response_by_context( $data, $context );
-
-		// Prepare the response.
-		$response = rest_ensure_response( $data );
-		$response->add_links( $this->prepare_links( $object, $request ) );
-
-		// Filter item response.
-		return apply_filters( "getpaid_rest_prepare_{$this->rest_base}_object", $response, $object, $request );
-	}
+    /**
+     * Contains this controller's class name.
+     *
+     * @var string
+     */
+    public $crud_class;
+
+    /**
+     * Contains the current CRUD object.
+     *
+     * @var GetPaid_Data
+     */
+    protected $data_object;
+
+    /**
+     * Registers the routes for the objects of the controller.
+     *
+     * @since 1.0.19
+     *
+     * @see register_rest_route()
+     */
+    public function register_namespace_routes( $namespace ) {
+
+        register_rest_route(
+            $namespace,
+            '/' . $this->rest_base,
+            array(
+                array(
+                    'methods'             => WP_REST_Server::READABLE,
+                    'callback'            => array( $this, 'get_items' ),
+                    'permission_callback' => array( $this, 'get_items_permissions_check' ),
+                    'args'                => $this->get_collection_params(),
+                ),
+                array(
+                    'methods'             => WP_REST_Server::CREATABLE,
+                    'callback'            => array( $this, 'create_item' ),
+                    'permission_callback' => array( $this, 'create_item_permissions_check' ),
+                    'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::CREATABLE ),
+                ),
+                'schema' => array( $this, 'get_public_item_schema' ),
+            )
+        );
+
+        $get_item_args = array(
+            'context' => $this->get_context_param( array( 'default' => 'view' ) ),
+        );
+
+        register_rest_route(
+            $namespace,
+            '/' . $this->rest_base . '/(?P<id>[\d]+)',
+            array(
+                'args'   => array(
+                    'id' => array(
+                        'description' => __( 'Unique identifier for the object.', 'invoicing' ),
+                        'type'        => 'integer',
+                    ),
+                ),
+                array(
+                    'methods'             => WP_REST_Server::READABLE,
+                    'callback'            => array( $this, 'get_item' ),
+                    'permission_callback' => array( $this, 'get_item_permissions_check' ),
+                    'args'                => $get_item_args,
+                ),
+                array(
+                    'methods'             => WP_REST_Server::EDITABLE,
+                    'callback'            => array( $this, 'update_item' ),
+                    'permission_callback' => array( $this, 'update_item_permissions_check' ),
+                    'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
+                ),
+                array(
+                    'methods'             => WP_REST_Server::DELETABLE,
+                    'callback'            => array( $this, 'delete_item' ),
+                    'permission_callback' => array( $this, 'delete_item_permissions_check' ),
+                    'args'                => array(
+                        'force' => array(
+                            'type'        => 'boolean',
+                            'default'     => false,
+                            'description' => __( 'Whether to bypass Trash and force deletion.', 'invoicing' ),
+                        ),
+                    ),
+                ),
+                'schema' => array( $this, 'get_public_item_schema' ),
+            )
+        );
+
+    }
+
+    /**
+     * Saves a single object.
+     *
+     * @param GetPaid_Data $object Object to save.
+     * @return WP_Error|GetPaid_Data
+     */
+    protected function save_object( $object ) {
+        $object->save();
+
+        if ( ! empty( $object->last_error ) ) {
+            return new WP_Error( 'rest_cannot_save', $object->last_error, array( 'status' => 400 ) );
+        }
+
+        return new $this->crud_class( $object->get_id() );
+    }
+
+    /**
+     * Retrieves a single object.
+     *
+     * @since 1.0.13
+     *
+     * @param int|WP_Post $object_id Supplied ID.
+     * @return GetPaid_Data|WP_Error GetPaid_Data object if ID is valid, WP_Error otherwise.
+     */
+    protected function get_object( $object_id ) {
+
+        // Do we have an object?
+        if ( empty( $this->crud_class ) || ! class_exists( $this->crud_class ) ) {
+            return new WP_Error( 'no_crud_class', __( 'You need to specify a CRUD class for this controller', 'invoicing' ) );
+        }
+
+        // Fetch the object.
+        $object = new $this->crud_class( $object_id );
+        if ( ! empty( $object->last_error ) ) {
+            return new WP_Error( 'rest_object_invalid_id', $object->last_error, array( 'status' => 404 ) );
+        }
+
+        $this->data_object = $object;
+        return $object->get_id() ? $object : new WP_Error( 'rest_object_invalid_id', __( 'Invalid ID.', 'invoicing' ), array( 'status' => 404 ) );
+
+    }
+
+    /**
+     * 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 the item.
+        $object = $this->get_object( $request['id'] );
+
+        if ( is_wp_error( $object ) ) {
+            return $object;
+        }
+
+        // Generate a response.
+        return rest_ensure_response( $this->prepare_item_for_response( $object, $request ) );
+
+    }
+
+    /**
+     * 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 ) {
+
+        // Can not create an existing item.
+        if ( ! empty( $request['id'] ) ) {
+            /* translators: %s: post type */
+            return new WP_Error( "getpaid_rest_{$this->rest_base}_exists", __( 'Cannot create existing resource.', 'invoicing' ), array( 'status' => 400 ) );
+        }
+
+        // Generate a GetPaid_Data object from the request.
+        $object = $this->prepare_item_for_database( $request );
+        if ( is_wp_error( $object ) ) {
+            return $object;
+        }
+
+        // Save the object.
+        $object = $this->save_object( $object );
+        if ( is_wp_error( $object ) ) {
+            return $object;
+        }
+
+        // Save special fields.
+        $save_special = $this->update_additional_fields_for_object( $object, $request );
+        if ( is_wp_error( $save_special ) ) {
+            $object->delete( true );
+            return $save_special;
+        }
+
+        $request->set_param( 'context', 'edit' );
+        $response = $this->prepare_item_for_response( $object, $request );
+        $response = rest_ensure_response( $response );
+        $response->set_status( 201 );
+        $response->header( 'Location', rest_url( sprintf( '/%s/%s/%d', $this->namespace, $this->rest_base, $object->get_id() ) ) );
+
+        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 ) {
+
+        // Fetch the item.
+        $object = $this->get_object( $request['id'] );
+        if ( is_wp_error( $object ) ) {
+            return $object;
+        }
+
+        // Prepare the item for saving.
+        $object = $this->prepare_item_for_database( $request );
+        if ( is_wp_error( $object ) ) {
+            return $object;
+        }
+
+        // Save the item.
+        $object = $this->save_object( $object );
+        if ( is_wp_error( $object ) ) {
+            return $object;
+        }
+
+        // Save special fields (those added via hooks).
+        $save_special = $this->update_additional_fields_for_object( $object, $request );
+        if ( is_wp_error( $save_special ) ) {
+            return $save_special;
+        }
+
+        $request->set_param( 'context', 'edit' );
+        $response = $this->prepare_item_for_response( $object, $request );
+        return rest_ensure_response( $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 = array(
+            'self'       => array(
+                'href'   => rest_url( sprintf( '/%s/%s/%d', $this->namespace, $this->rest_base, $object->get_id() ) ),
+            ),
+            'collection' => array(
+                'href'   => rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ),
+            ),
+        );
+
+        return $links;
+    }
+
+    /**
+     * Get the query params for collections of attachments.
+     *
+     * @return array
+     */
+    public function get_collection_params() {
+        $params = parent::get_collection_params();
+        $params['context']['default'] = 'view';
+        return $params;
+    }
+
+    /**
+     * Only return writable props from schema.
+     *
+     * @param  array $schema Schema.
+     * @return bool
+     */
+    public function filter_writable_props( $schema ) {
+        return empty( $schema['readonly'] );
+    }
+
+    /**
+     * Prepare a single object for create or update.
+     *
+     * @since 1.0.19
+     * @param  WP_REST_Request $request Request object.
+     * @return GetPaid_Data|WP_Error Data object or WP_Error.
+     */
+    protected function prepare_item_for_database( $request ) {
+
+        // Do we have an object?
+        if ( empty( $this->crud_class ) || ! class_exists( $this->crud_class ) ) {
+            return new WP_Error( 'no_crud_class', __( 'You need to specify a CRUD class for this controller', 'invoicing' ) );
+        }
+
+        // Prepare the object.
+        $id        = isset( $request['id'] ) ? absint( $request['id'] ) : 0;
+        $object    = new $this->crud_class( $id );
+
+        // Abort if an error exists.
+        if ( ! empty( $object->last_error ) ) {
+            return new WP_Error( 'invalid_item', $object->last_error );
+        }
+
+        $schema    = $this->get_item_schema();
+        $data_keys = array_keys( array_filter( $schema['properties'], array( $this, 'filter_writable_props' ) ) );
+
+        // Handle all writable props.
+        foreach ( $data_keys as $key ) {
+            $value = $request[ $key ];
+
+            if ( ! is_null( $value ) ) {
+                switch ( $key ) {
+
+                    case 'meta_data':
+                        if ( is_array( $value ) ) {
+                            foreach ( $value as $meta ) {
+                                $object->update_meta_data( $meta['key'], $meta['value'], isset( $meta['id'] ) ? $meta['id'] : '' );
+                            }
+                        }
+                        break;
+
+                    default:
+                        if ( is_callable( array( $object, "set_{$key}" ) ) ) {
+                            $object->{"set_{$key}"}( $value );
+                        }
+                        break;
+                }
+            }
+
+        }
+
+        // Filters an object before it is inserted via the REST API..
+        return apply_filters( "getpaid_rest_pre_insert_{$this->rest_base}_object", $object, $request );
+    }
+
+    /**
+     * Retrieves data from a GetPaid class.
+     *
+     * @since  1.0.19
+     * @param  GetPaid_Meta_Data[]    $meta_data  meta data objects.
+     * @return array
+     */
+    protected function prepare_object_meta_data( $meta_data ) {
+        $meta = array();
+
+        foreach( $meta_data as $object ) {
+            $meta[] = $object->get_data();
+        }
+
+        return $meta;
+    }
+
+    /**
+     * Retrieves invoice items.
+     *
+     * @since  1.0.19
+     * @param  WPInv_Invoice $invoice  Invoice items.
+     * @param array            $fields Fields to include.
+     * @return array
+     */
+    protected function prepare_invoice_items( $invoice ) {
+        $items = array();
+
+        foreach( $invoice->get_items() as $item ) {
+
+            $item_data = $item->prepare_data_for_saving();
+
+            if ( 'amount' == $invoice->get_template() ) {
+                $item_data['quantity'] = 1;
+            }
+
+            $items[] = $item_data;
+        }
+
+        return $items;
+    }
+
+    /**
+     * Retrieves data from a GetPaid class.
+     *
+     * @since  1.0.19
+     * @param  GetPaid_Data    $object  Data object.
+     * @param array            $fields Fields to include.
+     * @param string           $context either view or edit.
+     * @return array
+     */
+    protected function prepare_object_data( $object, $fields, $context = 'view' ) {
+
+        $data = array();
+
+        // Handle all writable props.
+        foreach ( array_keys( $this->get_schema_properties() ) as $key ) {
+
+            // Abort if it is not included.
+            if ( ! empty( $fields ) && ! $this->is_field_included( $key, $fields ) ) {
+                continue;
+            }
+
+            // Or this current object does not support the field.
+            if ( ! $this->object_supports_field( $object, $key ) ) {
+                continue;
+            }
+
+            // Handle meta data.
+            if ( $key == 'meta_data' ) {
+                $data['meta_data'] = $this->prepare_object_meta_data( $object->get_meta_data() );
+                continue;
+            }
+
+            // Handle items.
+            if ( $key == 'items' && is_a( $object, 'WPInv_Invoice' )  ) {
+                $data['items'] = $this->prepare_invoice_items( $object );
+                continue;
+            }
+
+            // Booleans.
+            if ( is_callable( array( $object, $key ) ) ) {
+                $data[ $key ] = $object->$key( $context );
+                continue;
+            }
+
+            // Get object value.
+            if ( is_callable( array( $object, "get_{$key}" ) ) ) {
+                $value = $object->{"get_{$key}"}( $context );
+
+                // If the value is an instance of GetPaid_Data...
+                if ( is_a( $value, 'GetPaid_Data' ) ) {
+                    $value = $value->get_data( $context );
+                }
+
+                // For objects, retrieves it's properties.
+                $data[ $key ] = is_object( $value ) ? get_object_vars( $value ) :  $value ;
+                continue;
+            }
+
+        }
+
+        return $data;
+    }
+
+    /**
+     * 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 ) {
+        return apply_filters( 'getpaid_rest_object_supports_key', true, $object, $field_key );
+    }
+
+    /**
+     * Prepare a single object output for response.
+     *
+     * @since  1.0.19
+     * @param  GetPaid_Data    $object  Data object.
+     * @param  WP_REST_Request $request Request object.
+     * @return WP_REST_Response
+     */
+    public function prepare_item_for_response( $object, $request ) {
+        remove_filter( 'rest_post_dispatch', 'rest_filter_response_fields', 10 );
+
+        $this->data_object = $object;
+
+        // Fetch the fields to include in this response.
+        $fields = $this->get_fields_for_response( $request );
+
+        // Prepare object data.
+        $context = ! empty( $request['context'] ) ? $request['context'] : 'view';
+        $data    = $this->prepare_object_data( $object, $fields, $context );
+        $data    = $this->add_additional_fields_to_object( $data, $request );
+        $data    = $this->limit_object_to_requested_fields( $data, $fields );
+        $data    = $this->filter_response_by_context( $data, $context );
+
+        // Prepare the response.
+        $response = rest_ensure_response( $data );
+        $response->add_links( $this->prepare_links( $object, $request ) );
+
+        // Filter item response.
+        return apply_filters( "getpaid_rest_prepare_{$this->rest_base}_object", $response, $object, $request );
+    }
 
 }

Spacing +117 added lines, -117 removed lines

@@ -8,7 +8,7 @@ 
  * @version 1.0.19
  */
 
-defined( 'ABSPATH' ) || exit;
+defined('ABSPATH') || exit;
 
 /**
  * GetPaid REST CRUD controller class.
@@ -38,7 +38,7 @@ 
 	 *
 	 * @see register_rest_route()
 	 */
-	public function register_namespace_routes( $namespace ) {
+	public function register_namespace_routes($namespace) {
 
 		register_rest_route(
 			$namespace,
@@ -46,22 +46,22 @@ 
 			array(
 				array(
 					'methods'             => WP_REST_Server::READABLE,
-					'callback'            => array( $this, 'get_items' ),
-					'permission_callback' => array( $this, 'get_items_permissions_check' ),
+					'callback'            => array($this, 'get_items'),
+					'permission_callback' => array($this, 'get_items_permissions_check'),
 					'args'                => $this->get_collection_params(),
 				),
 				array(
 					'methods'             => WP_REST_Server::CREATABLE,
-					'callback'            => array( $this, 'create_item' ),
-					'permission_callback' => array( $this, 'create_item_permissions_check' ),
-					'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::CREATABLE ),
+					'callback'            => array($this, 'create_item'),
+					'permission_callback' => array($this, 'create_item_permissions_check'),
+					'args'                => $this->get_endpoint_args_for_item_schema(WP_REST_Server::CREATABLE),
 				),
-				'schema' => array( $this, 'get_public_item_schema' ),
+				'schema' => array($this, 'get_public_item_schema'),
 			)
 		);
 
 		$get_item_args = array(
-			'context' => $this->get_context_param( array( 'default' => 'view' ) ),
+			'context' => $this->get_context_param(array('default' => 'view')),
 		);
 
 		register_rest_route(
@@ -70,35 +70,35 @@ 
 			array(
 				'args'   => array(
 					'id' => array(
-						'description' => __( 'Unique identifier for the object.', 'invoicing' ),
+						'description' => __('Unique identifier for the object.', 'invoicing'),
 						'type'        => 'integer',
 					),
 				),
 				array(
 					'methods'             => WP_REST_Server::READABLE,
-					'callback'            => array( $this, 'get_item' ),
-					'permission_callback' => array( $this, 'get_item_permissions_check' ),
+					'callback'            => array($this, 'get_item'),
+					'permission_callback' => array($this, 'get_item_permissions_check'),
 					'args'                => $get_item_args,
 				),
 				array(
 					'methods'             => WP_REST_Server::EDITABLE,
-					'callback'            => array( $this, 'update_item' ),
-					'permission_callback' => array( $this, 'update_item_permissions_check' ),
-					'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
+					'callback'            => array($this, 'update_item'),
+					'permission_callback' => array($this, 'update_item_permissions_check'),
+					'args'                => $this->get_endpoint_args_for_item_schema(WP_REST_Server::EDITABLE),
 				),
 				array(
 					'methods'             => WP_REST_Server::DELETABLE,
-					'callback'            => array( $this, 'delete_item' ),
-					'permission_callback' => array( $this, 'delete_item_permissions_check' ),
+					'callback'            => array($this, 'delete_item'),
+					'permission_callback' => array($this, 'delete_item_permissions_check'),
 					'args'                => array(
 						'force' => array(
 							'type'        => 'boolean',
 							'default'     => false,
-							'description' => __( 'Whether to bypass Trash and force deletion.', 'invoicing' ),
+							'description' => __('Whether to bypass Trash and force deletion.', 'invoicing'),
 						),
 					),
 				),
-				'schema' => array( $this, 'get_public_item_schema' ),
+				'schema' => array($this, 'get_public_item_schema'),
 			)
 		);
 
@@ -110,14 +110,14 @@ 
 	 * @param GetPaid_Data $object Object to save.
 	 * @return WP_Error|GetPaid_Data
 	 */
-	protected function save_object( $object ) {
+	protected function save_object($object) {
 		$object->save();
 
-		if ( ! empty( $object->last_error ) ) {
-			return new WP_Error( 'rest_cannot_save', $object->last_error, array( 'status' => 400 ) );
+		if (!empty($object->last_error)) {
+			return new WP_Error('rest_cannot_save', $object->last_error, array('status' => 400));
 		}
 
-		return new $this->crud_class( $object->get_id() );
+		return new $this->crud_class($object->get_id());
 	}
 
 	/**
@@ -128,21 +128,21 @@ 
 	 * @param int|WP_Post $object_id Supplied ID.
 	 * @return GetPaid_Data|WP_Error GetPaid_Data object if ID is valid, WP_Error otherwise.
 	 */
-	protected function get_object( $object_id ) {
+	protected function get_object($object_id) {
 
 		// Do we have an object?
-		if ( empty( $this->crud_class ) || ! class_exists( $this->crud_class ) ) {
-			return new WP_Error( 'no_crud_class', __( 'You need to specify a CRUD class for this controller', 'invoicing' ) );
+		if (empty($this->crud_class) || !class_exists($this->crud_class)) {
+			return new WP_Error('no_crud_class', __('You need to specify a CRUD class for this controller', 'invoicing'));
 		}
 
 		// Fetch the object.
-		$object = new $this->crud_class( $object_id );
-		if ( ! empty( $object->last_error ) ) {
-			return new WP_Error( 'rest_object_invalid_id', $object->last_error, array( 'status' => 404 ) );
+		$object = new $this->crud_class($object_id);
+		if (!empty($object->last_error)) {
+			return new WP_Error('rest_object_invalid_id', $object->last_error, array('status' => 404));
 		}
 
 		$this->data_object = $object;
-		return $object->get_id() ? $object : new WP_Error( 'rest_object_invalid_id', __( 'Invalid ID.', 'invoicing' ), array( 'status' => 404 ) );
+		return $object->get_id() ? $object : new WP_Error('rest_object_invalid_id', __('Invalid ID.', 'invoicing'), array('status' => 404));
 
 	}
 
@@ -152,17 +152,17 @@ 
 	 * @param WP_REST_Request $request Full details about the request.
 	 * @return WP_Error|WP_REST_Response
 	 */
-	public function get_item( $request ) {
+	public function get_item($request) {
 
 		// Fetch the item.
-		$object = $this->get_object( $request['id'] );
+		$object = $this->get_object($request['id']);
 
-		if ( is_wp_error( $object ) ) {
+		if (is_wp_error($object)) {
 			return $object;
 		}
 
 		// Generate a response.
-		return rest_ensure_response( $this->prepare_item_for_response( $object, $request ) );
+		return rest_ensure_response($this->prepare_item_for_response($object, $request));
 
 	}
 
@@ -172,38 +172,38 @@ 
 	 * @param WP_REST_Request $request Full details about the request.
 	 * @return WP_Error|WP_REST_Response
 	 */
-	public function create_item( $request ) {
+	public function create_item($request) {
 
 		// Can not create an existing item.
-		if ( ! empty( $request['id'] ) ) {
+		if (!empty($request['id'])) {
 			/* translators: %s: post type */
-			return new WP_Error( "getpaid_rest_{$this->rest_base}_exists", __( 'Cannot create existing resource.', 'invoicing' ), array( 'status' => 400 ) );
+			return new WP_Error("getpaid_rest_{$this->rest_base}_exists", __('Cannot create existing resource.', 'invoicing'), array('status' => 400));
 		}
 
 		// Generate a GetPaid_Data object from the request.
-		$object = $this->prepare_item_for_database( $request );
-		if ( is_wp_error( $object ) ) {
+		$object = $this->prepare_item_for_database($request);
+		if (is_wp_error($object)) {
 			return $object;
 		}
 
 		// Save the object.
-		$object = $this->save_object( $object );
-		if ( is_wp_error( $object ) ) {
+		$object = $this->save_object($object);
+		if (is_wp_error($object)) {
 			return $object;
 		}
 
 		// Save special fields.
-		$save_special = $this->update_additional_fields_for_object( $object, $request );
-		if ( is_wp_error( $save_special ) ) {
-			$object->delete( true );
+		$save_special = $this->update_additional_fields_for_object($object, $request);
+		if (is_wp_error($save_special)) {
+			$object->delete(true);
 			return $save_special;
 		}
 
-		$request->set_param( 'context', 'edit' );
-		$response = $this->prepare_item_for_response( $object, $request );
-		$response = rest_ensure_response( $response );
-		$response->set_status( 201 );
-		$response->header( 'Location', rest_url( sprintf( '/%s/%s/%d', $this->namespace, $this->rest_base, $object->get_id() ) ) );
+		$request->set_param('context', 'edit');
+		$response = $this->prepare_item_for_response($object, $request);
+		$response = rest_ensure_response($response);
+		$response->set_status(201);
+		$response->header('Location', rest_url(sprintf('/%s/%s/%d', $this->namespace, $this->rest_base, $object->get_id())));
 
 		return $response;
 	}
@@ -214,35 +214,35 @@ 
 	 * @param WP_REST_Request $request Full details about the request.
 	 * @return WP_Error|WP_REST_Response
 	 */
-	public function update_item( $request ) {
+	public function update_item($request) {
 
 		// Fetch the item.
-		$object = $this->get_object( $request['id'] );
-		if ( is_wp_error( $object ) ) {
+		$object = $this->get_object($request['id']);
+		if (is_wp_error($object)) {
 			return $object;
 		}
 
 		// Prepare the item for saving.
-		$object = $this->prepare_item_for_database( $request );
-		if ( is_wp_error( $object ) ) {
+		$object = $this->prepare_item_for_database($request);
+		if (is_wp_error($object)) {
 			return $object;
 		}
 
 		// Save the item.
-		$object = $this->save_object( $object );
-		if ( is_wp_error( $object ) ) {
+		$object = $this->save_object($object);
+		if (is_wp_error($object)) {
 			return $object;
 		}
 
 		// Save special fields (those added via hooks).
-		$save_special = $this->update_additional_fields_for_object( $object, $request );
-		if ( is_wp_error( $save_special ) ) {
+		$save_special = $this->update_additional_fields_for_object($object, $request);
+		if (is_wp_error($save_special)) {
 			return $save_special;
 		}
 
-		$request->set_param( 'context', 'edit' );
-		$response = $this->prepare_item_for_response( $object, $request );
-		return rest_ensure_response( $response );
+		$request->set_param('context', 'edit');
+		$response = $this->prepare_item_for_response($object, $request);
+		return rest_ensure_response($response);
 	}
 
 	/**
@@ -251,14 +251,14 @@ 
 	 * @param GetPaid_Data    $object GetPaid_Data object.
 	 * @return array Links for the given object.
 	 */
-	protected function prepare_links( $object ) {
+	protected function prepare_links($object) {
 
 		$links = array(
 			'self'       => array(
-				'href'   => rest_url( sprintf( '/%s/%s/%d', $this->namespace, $this->rest_base, $object->get_id() ) ),
+				'href'   => rest_url(sprintf('/%s/%s/%d', $this->namespace, $this->rest_base, $object->get_id())),
 			),
 			'collection' => array(
-				'href'   => rest_url( sprintf( '/%s/%s', $this->namespace, $this->rest_base ) ),
+				'href'   => rest_url(sprintf('/%s/%s', $this->namespace, $this->rest_base)),
 			),
 		);
 
@@ -282,8 +282,8 @@ 
 	 * @param  array $schema Schema.
 	 * @return bool
 	 */
-	public function filter_writable_props( $schema ) {
-		return empty( $schema['readonly'] );
+	public function filter_writable_props($schema) {
+		return empty($schema['readonly']);
 	}
 
 	/**
@@ -293,43 +293,43 @@ 
 	 * @param  WP_REST_Request $request Request object.
 	 * @return GetPaid_Data|WP_Error Data object or WP_Error.
 	 */
-	protected function prepare_item_for_database( $request ) {
+	protected function prepare_item_for_database($request) {
 
 		// Do we have an object?
-		if ( empty( $this->crud_class ) || ! class_exists( $this->crud_class ) ) {
-			return new WP_Error( 'no_crud_class', __( 'You need to specify a CRUD class for this controller', 'invoicing' ) );
+		if (empty($this->crud_class) || !class_exists($this->crud_class)) {
+			return new WP_Error('no_crud_class', __('You need to specify a CRUD class for this controller', 'invoicing'));
 		}
 
 		// Prepare the object.
-		$id        = isset( $request['id'] ) ? absint( $request['id'] ) : 0;
-		$object    = new $this->crud_class( $id );
+		$id        = isset($request['id']) ? absint($request['id']) : 0;
+		$object    = new $this->crud_class($id);
 
 		// Abort if an error exists.
-		if ( ! empty( $object->last_error ) ) {
-			return new WP_Error( 'invalid_item', $object->last_error );
+		if (!empty($object->last_error)) {
+			return new WP_Error('invalid_item', $object->last_error);
 		}
 
 		$schema    = $this->get_item_schema();
-		$data_keys = array_keys( array_filter( $schema['properties'], array( $this, 'filter_writable_props' ) ) );
+		$data_keys = array_keys(array_filter($schema['properties'], array($this, 'filter_writable_props')));
 
 		// Handle all writable props.
-		foreach ( $data_keys as $key ) {
-			$value = $request[ $key ];
+		foreach ($data_keys as $key) {
+			$value = $request[$key];
 
-			if ( ! is_null( $value ) ) {
-				switch ( $key ) {
+			if (!is_null($value)) {
+				switch ($key) {
 
 					case 'meta_data':
-						if ( is_array( $value ) ) {
-							foreach ( $value as $meta ) {
-								$object->update_meta_data( $meta['key'], $meta['value'], isset( $meta['id'] ) ? $meta['id'] : '' );
+						if (is_array($value)) {
+							foreach ($value as $meta) {
+								$object->update_meta_data($meta['key'], $meta['value'], isset($meta['id']) ? $meta['id'] : '');
 							}
 						}
 						break;
 
 					default:
-						if ( is_callable( array( $object, "set_{$key}" ) ) ) {
-							$object->{"set_{$key}"}( $value );
+						if (is_callable(array($object, "set_{$key}"))) {
+							$object->{"set_{$key}"}($value);
 						}
 						break;
 				}
@@ -338,7 +338,7 @@ 
 		}
 
 		// Filters an object before it is inserted via the REST API..
-		return apply_filters( "getpaid_rest_pre_insert_{$this->rest_base}_object", $object, $request );
+		return apply_filters("getpaid_rest_pre_insert_{$this->rest_base}_object", $object, $request);
 	}
 
 	/**
@@ -348,10 +348,10 @@ 
 	 * @param  GetPaid_Meta_Data[]    $meta_data  meta data objects.
 	 * @return array
 	 */
-	protected function prepare_object_meta_data( $meta_data ) {
+	protected function prepare_object_meta_data($meta_data) {
 		$meta = array();
 
-		foreach( $meta_data as $object ) {
+		foreach ($meta_data as $object) {
 			$meta[] = $object->get_data();
 		}
 
@@ -366,14 +366,14 @@ 
 	 * @param array            $fields Fields to include.
 	 * @return array
 	 */
-	protected function prepare_invoice_items( $invoice ) {
+	protected function prepare_invoice_items($invoice) {
 		$items = array();
 
-		foreach( $invoice->get_items() as $item ) {
+		foreach ($invoice->get_items() as $item) {
 
 			$item_data = $item->prepare_data_for_saving();
 
-			if ( 'amount' == $invoice->get_template() ) {
+			if ('amount' == $invoice->get_template()) {
 				$item_data['quantity'] = 1;
 			}
 
@@ -392,52 +392,52 @@ 
 	 * @param string           $context either view or edit.
 	 * @return array
 	 */
-	protected function prepare_object_data( $object, $fields, $context = 'view' ) {
+	protected function prepare_object_data($object, $fields, $context = 'view') {
 
 		$data = array();
 
 		// Handle all writable props.
-		foreach ( array_keys( $this->get_schema_properties() ) as $key ) {
+		foreach (array_keys($this->get_schema_properties()) as $key) {
 
 			// Abort if it is not included.
-			if ( ! empty( $fields ) && ! $this->is_field_included( $key, $fields ) ) {
+			if (!empty($fields) && !$this->is_field_included($key, $fields)) {
 				continue;
 			}
 
 			// Or this current object does not support the field.
-			if ( ! $this->object_supports_field( $object, $key ) ) {
+			if (!$this->object_supports_field($object, $key)) {
 				continue;
 			}
 
 			// Handle meta data.
-			if ( $key == 'meta_data' ) {
-				$data['meta_data'] = $this->prepare_object_meta_data( $object->get_meta_data() );
+			if ($key == 'meta_data') {
+				$data['meta_data'] = $this->prepare_object_meta_data($object->get_meta_data());
 				continue;
 			}
 
 			// Handle items.
-			if ( $key == 'items' && is_a( $object, 'WPInv_Invoice' )  ) {
-				$data['items'] = $this->prepare_invoice_items( $object );
+			if ($key == 'items' && is_a($object, 'WPInv_Invoice')) {
+				$data['items'] = $this->prepare_invoice_items($object);
 				continue;
 			}
 
 			// Booleans.
-			if ( is_callable( array( $object, $key ) ) ) {
-				$data[ $key ] = $object->$key( $context );
+			if (is_callable(array($object, $key))) {
+				$data[$key] = $object->$key($context);
 				continue;
 			}
 
 			// Get object value.
-			if ( is_callable( array( $object, "get_{$key}" ) ) ) {
-				$value = $object->{"get_{$key}"}( $context );
+			if (is_callable(array($object, "get_{$key}"))) {
+				$value = $object->{"get_{$key}"}($context);
 
 				// If the value is an instance of GetPaid_Data...
-				if ( is_a( $value, 'GetPaid_Data' ) ) {
-					$value = $value->get_data( $context );
+				if (is_a($value, 'GetPaid_Data')) {
+					$value = $value->get_data($context);
 				}
 
 				// For objects, retrieves it's properties.
-				$data[ $key ] = is_object( $value ) ? get_object_vars( $value ) :  $value ;
+				$data[$key] = is_object($value) ? get_object_vars($value) : $value;
 				continue;
 			}
 
@@ -454,8 +454,8 @@ 
 	 * @param  string       $field_key The key to check for.
 	 * @return bool
 	 */
-	public function object_supports_field( $object, $field_key ) {
-		return apply_filters( 'getpaid_rest_object_supports_key', true, $object, $field_key );
+	public function object_supports_field($object, $field_key) {
+		return apply_filters('getpaid_rest_object_supports_key', true, $object, $field_key);
 	}
 
 	/**
@@ -466,27 +466,27 @@ 
 	 * @param  WP_REST_Request $request Request object.
 	 * @return WP_REST_Response
 	 */
-	public function prepare_item_for_response( $object, $request ) {
-		remove_filter( 'rest_post_dispatch', 'rest_filter_response_fields', 10 );
+	public function prepare_item_for_response($object, $request) {
+		remove_filter('rest_post_dispatch', 'rest_filter_response_fields', 10);
 
 		$this->data_object = $object;
 
 		// Fetch the fields to include in this response.
-		$fields = $this->get_fields_for_response( $request );
+		$fields = $this->get_fields_for_response($request);
 
 		// Prepare object data.
-		$context = ! empty( $request['context'] ) ? $request['context'] : 'view';
-		$data    = $this->prepare_object_data( $object, $fields, $context );
-		$data    = $this->add_additional_fields_to_object( $data, $request );
-		$data    = $this->limit_object_to_requested_fields( $data, $fields );
-		$data    = $this->filter_response_by_context( $data, $context );
+		$context = !empty($request['context']) ? $request['context'] : 'view';
+		$data    = $this->prepare_object_data($object, $fields, $context);
+		$data    = $this->add_additional_fields_to_object($data, $request);
+		$data    = $this->limit_object_to_requested_fields($data, $fields);
+		$data    = $this->filter_response_by_context($data, $context);
 
 		// Prepare the response.
-		$response = rest_ensure_response( $data );
-		$response->add_links( $this->prepare_links( $object, $request ) );
+		$response = rest_ensure_response($data);
+		$response->add_links($this->prepare_links($object, $request));
 
 		// Filter item response.
-		return apply_filters( "getpaid_rest_prepare_{$this->rest_base}_object", $response, $object, $request );
+		return apply_filters("getpaid_rest_prepare_{$this->rest_base}_object", $response, $object, $request);
 	}
 
 }