CMB2_REST_Controller_Fields::prepare_field_data() - Code Metrics - Inspection of "CMB2 REST API" - WebDevStudios/CMB2 - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — trunk (#541)

by Justin

created 2016-06-09 05:27 UTC

CMB2_REST_Controller_Fields::prepare_field_data() C

↳ Parent: CMB2_REST_Controller_Fields

Complexity

Conditions	12
Paths	60

Size

Total Lines	46
Code Lines	27

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
cc	12
eloc	27
c	2
b	0
f	0
nc	60
nop	1
dl	0
loc	46
rs	5.15

How to fix Complexity

<?php
/**
 * Creates CMB2 objects/fields endpoint for WordPres REST API.
 * Allows access to fields registered to a specific post type and more.
 *
 * @todo  Add better documentation.
 * @todo  Research proper schema.
 *
 * @since 2.2.0
 *
 * @category  WordPress_Plugin
 * @package   CMB2
 * @author    WebDevStudios
 * @license   GPL-2.0+
 * @link      http://webdevstudios.com
 */
class CMB2_REST_Controller_Fields extends CMB2_REST_Controller {
namespace YourVendor;

class YourClass { }

	/**
	 * CMB2 Instance
	 *
	 * @var CMB2_REST
	 */
	protected $rest_box;

	/**
	 * Register the routes for the objects of the controller.
	 *
	 * @since 2.2.0
	 */
	public function register_routes() {

		// Returns specific box's fields.
		register_rest_route( CMB2_REST::BASE, '/boxes/(?P<cmb_id>[\w-]+)/fields/', array(
			array(
				'methods'         => WP_REST_Server::READABLE,
				'callback'        => array( $this, 'get_items' ),
				'permission_callback' => array( $this, 'get_item_permissions_check' ),
			),
			'schema' => array( $this, 'get_item_schema' ),
		) );

		// Returns specific field data.
		register_rest_route( CMB2_REST::BASE, '/boxes/(?P<cmb_id>[\w-]+)/fields/(?P<field_id>[\w-]+)', array(
			array(
				'methods'         => WP_REST_Server::READABLE,
				'callback'        => array( $this, 'get_item' ),
				'permission_callback' => array( $this, 'get_item_permissions_check' ),
			),
			'schema' => array( $this, 'get_item_schema' ),
		) );
	}

	/**
	 * Get all box fields
	 *
	 * @since 2.2.0
	 *
	 * @param WP_REST_Request $request The API request object.
	 * @return array
	 */
	public function get_items( $request ) {
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
		$this->initiate_rest_read_box( $request, 'fields_read' );

		if ( is_wp_error( $this->rest_box ) ) {
			return $this->prepare_item( array( 'error' => $this->rest_box->get_error_message() ) );

		}

		$fields = array();
		foreach ( $this->rest_box->cmb->prop( 'fields', array() ) as $field ) {
			$field_id = $field['id'];
			$rest_field = $this->get_rest_field( $field_id );

			if ( ! is_wp_error( $rest_field ) ) {
				$fields[ $field_id ] = $this->server->response_to_data( $rest_field, isset( $_GET['_embed'] ) );
			} else {
				$fields[ $field_id ] = array( 'error' => $rest_field->get_error_message() );
			}
		}

		return $this->prepare_item( $fields );
	}

	/**
	 * Get a specific field
	 *
	 * @since 2.2.0
	 *
	 * @param WP_REST_Request $request The API request object.
	 * @return array|WP_Error
	 */
	public function get_item( $request ) {
		$this->initiate_rest_read_box( $request, 'field_read' );

		if ( is_wp_error( $this->rest_box ) ) {
			return $this->prepare_item( array( 'error' => $this->rest_box->get_error_message() ) );

		}

		$field = $this->get_rest_field( $this->request->get_param( 'field_id' ) );

		if ( is_wp_error( $field ) ) {
			return $this->prepare_item( array( 'error' => $field->get_error_message() ) );
		}

		return $this->prepare_item( $field );
	}

	/**
	 * Get a specific field
	 *
	 * @since 2.2.0
	 *
	 * @param  string Field id
	 * @return array|WP_Error
	 */
	public function get_rest_field( $field_id ) {
		$field = $this->rest_box->field_can_read( $field_id, true );

		if ( ! $field ) {
			return new WP_Error( 'cmb2_rest_error', __( 'No field found by that id.', 'cmb2' ) );
		}

		$field_data = $this->prepare_field_data( $field );
		$response = rest_ensure_response( $field_data );

		$response->add_links( $this->prepare_links( $field ) );

		return $response;
	}

	protected function prepare_field_data( CMB2_Field $field ) {
// Bad
class Router
{
    public function generate($path)
    {
        return $_SERVER['HOST'].$path;
    }
}

// Better
class Router
{
    private $host;

    public function __construct($host)
    {
        $this->host = $host;
    }

    public function generate($path)
    {
        return $this->host.$path;
    }
}

class Controller
{
    public function myAction(Request $request)
    {
        // Instead of
        $page = isset($_GET['page']) ? intval($_GET['page']) : 1;

        // Better (assuming you use the Symfony2 request)
        $page = $request->query->get('page', 1);
    }
}
		$field_data = array();
		$params_to_ignore = array( 'show_on_cb', 'show_in_rest', 'options' );
		$params_to_rename = array(
			'label_cb' => 'label',
			'options_cb' => 'options',
		);

		// Run this first so the js_dependencies arg is populated.
		$rendered = ( $cb = $field->maybe_callback( 'render_row_cb' ) )
			// Ok, callback is good, let's run it.
			? $this->get_cb_results( $cb, $field->args(), $field )
			: false;

		foreach ( $field->args() as $key => $value ) {
			if ( in_array( $key, $params_to_ignore, true ) ) {
				continue;
			}

			if ( 'render_row_cb' === $key ) {
				continue;
			}

			if ( 'options_cb' === $key ) {
				$value = $field->options();
			} elseif ( in_array( $key, CMB2_Field::$callable_fields ) ) {
				$value = $field->get_param_callback_result( $key );
			}

			$key = isset( $params_to_rename[ $key ] ) ? $params_to_rename[ $key ] : $key;

			if ( empty( $value ) || is_scalar( $value ) || is_array( $value ) ) {
				$field_data[ $key ] = $value;
			} else {
				$field_data[ $key ] = __( 'Value Error', 'cmb2' );
			}
		}

		if ( isset( $_REQUEST['_rendered'] ) ) {
			$field_data['rendered'] = $rendered;
		}

		$field_data['value'] = $field->get_data();

		return $field_data;
	}

	protected function prepare_links( $field ) {
		$boxbase = CMB2_REST::BASE . '/boxes/' . $this->rest_box->cmb->cmb_id;

		$links = array(
			'self' => array(
				'href' => rest_url( trailingslashit( $boxbase ) . 'fields/' . $field->_id() ),
			),
			'collection' => array(
				'href' => rest_url( trailingslashit( $boxbase ) . 'fields' ),
			),
			'up' => array(
				'href' => rest_url( $boxbase ),
			),
		);

		// TODO ?
		error_log( '$this->request[context]: '. print_r( $this->request['context'], true ) );
		error_log( 'CMB2_REST_Controller::get_intial_route(): '. print_r( CMB2_REST_Controller::get_intial_route(), true ) );
		error_log( '$match: '. print_r( 'box_read' === CMB2_REST_Controller::get_intial_request_type(), true ) );


		// Don't embed boxes when looking at boxes route.
		if ( '/cmb2/v1/boxes' !== CMB2_REST_Controller::get_intial_route() ) {
			$links['up']['embeddable'] = true;
		}

		return $links;
	}

}


1		<?php
2		/**
3		* Creates CMB2 objects/fields endpoint for WordPres REST API.
4		* Allows access to fields registered to a specific post type and more.
5		*
6		* @todo Add better documentation.
7		* @todo Research proper schema.
8		*
9		* @since 2.2.0
10		*
11		* @category WordPress_Plugin
12		* @package CMB2
13		* @author WebDevStudios
14		* @license GPL-2.0+
15		* @link http://webdevstudios.com
16		*/
17		class CMB2_REST_Controller_Fields extends CMB2_REST_Controller {
		0 ignored issues – show Coding Style Compatibility introduced 2015-12-10 22:57 UTC by Report Bug Copy Issue Report PSR1 recommends that each class must be in a namespace of at least one level to avoid collisions. You can fix this by adding a namespace to your class: namespace YourVendor; class YourClass { } When choosing a vendor namespace, try to pick something that is not too generic to avoid conflicts with other libraries. Loading history...
18
19		/**
20		* CMB2 Instance
21		*
22		* @var CMB2_REST
23		*/
24		protected $rest_box;
25
26		/**
27		* Register the routes for the objects of the controller.
28		*
29		* @since 2.2.0
30		*/
31	View Code Duplication	public function register_routes() {
		0 ignored issues – show Duplication introduced 2015-12-10 22:57 UTC by Report Bug Copy Issue Report This method seems to be duplicated in your project. Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation. You can also find more detailed suggestions in the “Code” section of your repository. Loading history...
32		// Returns specific box's fields.
33		register_rest_route( CMB2_REST::BASE, '/boxes/(?P<cmb_id>[\w-]+)/fields/', array(
34		array(
35		'methods' => WP_REST_Server::READABLE,
36		'callback' => array( $this, 'get_items' ),
37		'permission_callback' => array( $this, 'get_item_permissions_check' ),
38		),
39		'schema' => array( $this, 'get_item_schema' ),
40		) );
41
42		// Returns specific field data.
43		register_rest_route( CMB2_REST::BASE, '/boxes/(?P<cmb_id>[\w-]+)/fields/(?P<field_id>[\w-]+)', array(
44		array(
45		'methods' => WP_REST_Server::READABLE,
46		'callback' => array( $this, 'get_item' ),
47		'permission_callback' => array( $this, 'get_item_permissions_check' ),
48		),
49		'schema' => array( $this, 'get_item_schema' ),
50		) );
51		}
52
53		/**
54		* Get all box fields
55		*
56		* @since 2.2.0
57		*
58		* @param WP_REST_Request $request The API request object.
59		* @return array
60		*/
61		public function get_items( $request ) {
		0 ignored issues – show Coding Style introduced 2016-02-06 15:47 UTC by Report Bug Copy Issue Report `get_items` uses the super-global variable `$_GET` which is generally not recommended. Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: // Bad class Router { public function generate($path) { return $_SERVER['HOST'].$path; } } // Better class Router { private $host; public function __construct($host) { $this->host = $host; } public function generate($path) { return $this->host.$path; } } class Controller { public function myAction(Request $request) { // Instead of $page = isset($_GET['page']) ? intval($_GET['page']) : 1; // Better (assuming you use the Symfony2 request) $page = $request->query->get('page', 1); } } Loading history...
62		$this->initiate_rest_read_box( $request, 'fields_read' );
63
64		if ( is_wp_error( $this->rest_box ) ) {
65		return $this->prepare_item( array( 'error' => $this->rest_box->get_error_message() ) );
		0 ignored issues – show Bug introduced 2016-02-06 15:47 UTC by Report Bug Copy Issue Report The method `get_error_message()` does not seem to exist on `object<CMB2_REST>`. This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces. This is most likely a typographical error or the method has been renamed. Loading history...
66		}
67
68		$fields = array();
69		foreach ( $this->rest_box->cmb->prop( 'fields', array() ) as $field ) {
70		$field_id = $field['id'];
71		$rest_field = $this->get_rest_field( $field_id );
72
73		if ( ! is_wp_error( $rest_field ) ) {
74		$fields[ $field_id ] = $this->server->response_to_data( $rest_field, isset( $_GET['_embed'] ) );
75		} else {
76		$fields[ $field_id ] = array( 'error' => $rest_field->get_error_message() );
77		}
78		}
79
80		return $this->prepare_item( $fields );
81		}
82
83		/**
84		* Get a specific field
85		*
86		* @since 2.2.0
87		*
88		* @param WP_REST_Request $request The API request object.
89		* @return array\|WP_Error
90		*/
91		public function get_item( $request ) {
92		$this->initiate_rest_read_box( $request, 'field_read' );
93
94		if ( is_wp_error( $this->rest_box ) ) {
95		return $this->prepare_item( array( 'error' => $this->rest_box->get_error_message() ) );
		0 ignored issues – show Bug introduced 2016-02-06 15:47 UTC by Report Bug Copy Issue Report The method `get_error_message()` does not seem to exist on `object<CMB2_REST>`. This check looks for calls to methods that do not seem to exist on a given type. It looks for the method on the type itself as well as in inherited classes or implemented interfaces. This is most likely a typographical error or the method has been renamed. Loading history...
96		}
97
98		$field = $this->get_rest_field( $this->request->get_param( 'field_id' ) );
99
100		if ( is_wp_error( $field ) ) {
101		return $this->prepare_item( array( 'error' => $field->get_error_message() ) );
102		}
103
104		return $this->prepare_item( $field );
105		}
106
107		/**
108		* Get a specific field
109		*
110		* @since 2.2.0
111		*
112		* @param string Field id
113		* @return array\|WP_Error
114		*/
115		public function get_rest_field( $field_id ) {
116		$field = $this->rest_box->field_can_read( $field_id, true );
117
118		if ( ! $field ) {
119		return new WP_Error( 'cmb2_rest_error', __( 'No field found by that id.', 'cmb2' ) );
120		}
121
122		$field_data = $this->prepare_field_data( $field );
123		$response = rest_ensure_response( $field_data );
124
125		$response->add_links( $this->prepare_links( $field ) );
126
127		return $response;
128		}
129
130		protected function prepare_field_data( CMB2_Field $field ) {
		0 ignored issues – show Coding Style introduced 2016-02-06 15:47 UTC by Report Bug Copy Issue Report `prepare_field_data` uses the super-global variable `$_REQUEST` which is generally not recommended. Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: // Bad class Router { public function generate($path) { return $_SERVER['HOST'].$path; } } // Better class Router { private $host; public function __construct($host) { $this->host = $host; } public function generate($path) { return $this->host.$path; } } class Controller { public function myAction(Request $request) { // Instead of $page = isset($_GET['page']) ? intval($_GET['page']) : 1; // Better (assuming you use the Symfony2 request) $page = $request->query->get('page', 1); } } Loading history...
131		$field_data = array();
132		$params_to_ignore = array( 'show_on_cb', 'show_in_rest', 'options' );
133		$params_to_rename = array(
134		'label_cb' => 'label',
135		'options_cb' => 'options',
136		);
137
138		// Run this first so the js_dependencies arg is populated.
139		$rendered = ( $cb = $field->maybe_callback( 'render_row_cb' ) )
140		// Ok, callback is good, let's run it.
141		? $this->get_cb_results( $cb, $field->args(), $field )
142		: false;
143
144		foreach ( $field->args() as $key => $value ) {
145		if ( in_array( $key, $params_to_ignore, true ) ) {
146		continue;
147		}
148
149		if ( 'render_row_cb' === $key ) {
150		continue;
151		}
152
153		if ( 'options_cb' === $key ) {
154		$value = $field->options();
155		} elseif ( in_array( $key, CMB2_Field::$callable_fields ) ) {
156		$value = $field->get_param_callback_result( $key );
157		}
158
159		$key = isset( $params_to_rename[ $key ] ) ? $params_to_rename[ $key ] : $key;
160
161		if ( empty( $value ) \|\| is_scalar( $value ) \|\| is_array( $value ) ) {
162		$field_data[ $key ] = $value;
163		} else {
164		$field_data[ $key ] = __( 'Value Error', 'cmb2' );
165		}
166		}
167
168		if ( isset( $_REQUEST['_rendered'] ) ) {
169		$field_data['rendered'] = $rendered;
170		}
171
172		$field_data['value'] = $field->get_data();
173
174		return $field_data;
175		}
176
177		protected function prepare_links( $field ) {
178		$boxbase = CMB2_REST::BASE . '/boxes/' . $this->rest_box->cmb->cmb_id;
179
180		$links = array(
181		'self' => array(
182		'href' => rest_url( trailingslashit( $boxbase ) . 'fields/' . $field->_id() ),
183		),
184		'collection' => array(
185		'href' => rest_url( trailingslashit( $boxbase ) . 'fields' ),
186		),
187		'up' => array(
188		'href' => rest_url( $boxbase ),
189		),
190		);
191
192		// TODO ?
193		error_log( '$this->request[context]: '. print_r( $this->request['context'], true ) );
194		error_log( 'CMB2_REST_Controller::get_intial_route(): '. print_r( CMB2_REST_Controller::get_intial_route(), true ) );
195		error_log( '$match: '. print_r( 'box_read' === CMB2_REST_Controller::get_intial_request_type(), true ) );
196
197
198		// Don't embed boxes when looking at boxes route.
199		if ( '/cmb2/v1/boxes' !== CMB2_REST_Controller::get_intial_route() ) {
200		$links['up']['embeddable'] = true;
201		}
202
203		return $links;
204		}
205
206		}
207

WebDevStudios / CMB2

Pull Request — trunk (#541)

CMB2_REST_Controller_Fields::prepare_field_data() C

Complexity

Size

Duplication

Importance

How to fix Complexity

Long Method

Duplication Side-by-Side

Filter issues like