CMB2_REST_Controller_Fields::prepare_field_data() - Code Metrics - Inspection of "PHPCS Update" - lightspeeddevelopment/lsx-projects - Measure and Improve Code Quality continuously with Scrutinizer

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Push — add/43 ( b57d71...424871 )

by Chris

created 2020-08-22 06:12 UTC

CMB2_REST_Controller_Fields::prepare_field_data() F

↳ Parent: Project

Complexity

Conditions	17
Paths	240

Size

Total Lines	53
Code Lines	30

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
cc	17
eloc	30
c	1
b	0
f	0
nc	240
nop	1
dl	0
loc	53
rs	3.8833

How to fix Long Method Complexity

<?php
/**
 * CMB2 objects/fields endpoint for WordPres REST API.
 * Allows access to fields registered to a specific box.
 *
 * @todo  Add better documentation.
 * @todo  Research proper schema.
 *
 * @since 2.2.3
 *
 * @category  WordPress_Plugin
 * @package   CMB2
 * @author    CMB2 team
 * @license   GPL-2.0+
 * @link      https://cmb2.io
 */
class CMB2_REST_Controller_Fields extends CMB2_REST_Controller_Boxes {

	/**
	 * Register the routes for the objects of the controller.
	 *
	 * @since 2.2.3
	 */
	public function register_routes() {
		$args = array(
			'_embed' => array(
				'description' => __( 'Includes the box object which the fields are registered to in the response.', 'cmb2' ),
			),
			'_rendered' => array(
				'description' => __( 'When the \'_rendered\' argument is passed, the renderable field attributes will be returned fully rendered. By default, the names of the callback handers for the renderable attributes will be returned.', 'cmb2' ),
			),
			'object_id' => array(
				'description' => __( 'To view or modify the field\'s value, the \'object_id\' and \'object_type\' arguments are required.', 'cmb2' ),
			),
			'object_type' => array(
				'description' => __( 'To view or modify the field\'s value, the \'object_id\' and \'object_type\' arguments are required.', 'cmb2' ),
			),
		);

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

		$delete_args = $args;
		$delete_args['object_id']['required'] = true;
		$delete_args['object_type']['required'] = true;

		// Returns specific field data.
		register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P<cmb_id>[\w-]+)/fields/(?P<field_id>[\w-]+)', array(
			array(
				'methods'             => WP_REST_Server::READABLE,
				'permission_callback' => array( $this, 'get_item_permissions_check' ),
				'callback'            => array( $this, 'get_item' ),
				'args'                => $args,
			),
			array(
				'methods'             => WP_REST_Server::EDITABLE,
				'permission_callback' => array( $this, 'update_item_permissions_check' ),
				'callback'            => array( $this, 'update_item' ),
				'args'                => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
				'args'                => $args,
			),
			array(
				'methods'             => WP_REST_Server::DELETABLE,
				'permission_callback' => array( $this, 'delete_item_permissions_check' ),
				'callback'            => array( $this, 'delete_item' ),
				'args'                => $delete_args,
			),
			'schema' => array( $this, 'get_item_schema' ),
		) );
	}

	/**
	 * Check if a given request has access to get fields.
	 * By default, no special permissions needed, but filtering return value.
	 *
	 * @since 2.2.3
	 *
	 * @param  WP_REST_Request $request Full data about the request.
	 * @return WP_Error|boolean
	 */
	public function get_items_permissions_check( $request ) {
		$this->initiate_rest_read_box( $request, 'fields_read' );
		$can_access = true;

		/**
		 * By default, no special permissions needed.
		 *
		 * @since 2.2.3
		 *
		 * @param bool   $can_access Whether this CMB2 endpoint can be accessed.
		 * @param object $controller This CMB2_REST_Controller object.
		 */
		return $this->maybe_hook_callback_and_apply_filters( 'cmb2_api_get_fields_permissions_check', $can_access );
	}

	/**
	 * Get all public CMB2 box fields.
	 *
	 * @since 2.2.3
	 *
	 * @param  WP_REST_Request $request Full data about the request.
	 * @return WP_Error|WP_REST_Response
	 */
	public function get_items( $request ) {
		if ( ! $this->rest_box ) {
			$this->initiate_rest_read_box( $request, 'fields_read' );
		}

		if ( is_wp_error( $this->rest_box ) ) {
			return $this->rest_box;
		}

		$fields = array();
		foreach ( $this->rest_box->cmb->prop( 'fields', array() ) as $field ) {

			// Make sure this field can be read.
			$this->field = $this->rest_box->field_can_read( $field['id'], true );

			// And make sure current user can view this box.
			if ( $this->field && $this->get_item_permissions_check_filter() ) {
				$fields[ $field['id'] ] = $this->server->response_to_data(
					$this->prepare_field_response(),
					isset( $this->request['_embed'] )
				);
			}
		}

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

	/**
	 * Check if a given request has access to a field.
	 * By default, no special permissions needed, but filtering return value.
	 *
	 * @since 2.2.3
	 *
	 * @param  WP_REST_Request $request Full details about the request.
	 * @return WP_Error|boolean
	 */
	public function get_item_permissions_check( $request ) {
		$this->initiate_rest_read_box( $request, 'field_read' );
		if ( ! is_wp_error( $this->rest_box ) ) {
			$this->field = $this->rest_box->field_can_read( $this->request->get_param( 'field_id' ), true );
		}

		return $this->get_item_permissions_check_filter();
	}

	/**
	 * Check by filter if a given request has access to a field.
	 * By default, no special permissions needed, but filtering return value.
	 *
	 * @since 2.2.3
	 *
	 * @param  bool $can_access Whether the current request has access to view the field by default.
	 * @return WP_Error|boolean
	 */
	public function get_item_permissions_check_filter( $can_access = true ) {
		/**
		 * By default, no special permissions needed.
		 *
		 * @since 2.2.3
		 *
		 * @param bool   $can_access Whether this CMB2 endpoint can be accessed.
		 * @param object $controller This CMB2_REST_Controller object.
		 */
		return $this->maybe_hook_callback_and_apply_filters( 'cmb2_api_get_field_permissions_check', $can_access );
	}

	/**
	 * Get one CMB2 field from the collection.
	 *
	 * @since 2.2.3
	 *
	 * @param  WP_REST_Request $request Full data about the request.
	 * @return WP_Error|WP_REST_Response
	 */
	public function get_item( $request ) {
		$this->initiate_rest_read_box( $request, 'field_read' );

		if ( is_wp_error( $this->rest_box ) ) {
			return $this->rest_box;
		}

		return $this->prepare_read_field( $this->request->get_param( 'field_id' ) );
	}

	/**
	 * Check if a given request has access to update a field value.
	 * By default, requires 'edit_others_posts' capability, but filtering return value.
	 *
	 * @since 2.2.3
	 *
	 * @param  WP_REST_Request $request Full details about the request.
	 * @return WP_Error|boolean
	 */
	public function update_item_permissions_check( $request ) {
		$this->initiate_rest_read_box( $request, 'field_value_update' );
		if ( ! is_wp_error( $this->rest_box ) ) {
			$this->field = $this->rest_box->field_can_edit( $this->request->get_param( 'field_id' ), true );
		}

		$can_update = current_user_can( 'edit_others_posts' );

		/**
		 * By default, 'edit_others_posts' is required capability.
		 *
		 * @since 2.2.3
		 *
		 * @param bool   $can_update Whether this CMB2 endpoint can be accessed.
		 * @param object $controller This CMB2_REST_Controller object.
		 */
		return $this->maybe_hook_callback_and_apply_filters( 'cmb2_api_update_field_value_permissions_check', $can_update );
	}

	/**
	 * Update CMB2 field value.
	 *
	 * @since 2.2.3
	 *
	 * @param  WP_REST_Request $request Full data about the request.
	 * @return WP_Error|WP_REST_Response
	 */
	public function update_item( $request ) {
		$this->initiate_rest_read_box( $request, 'field_value_update' );

		if ( ! $this->request['value'] ) {
			return new WP_Error( 'cmb2_rest_update_field_error', __( 'CMB2 Field value cannot be updated without the value parameter specified.', 'cmb2' ), array(
				'status' => 400,
			) );
		}

		return $this->modify_field_value( 'updated' );
	}

	/**
	 * Check if a given request has access to delete a field value.
	 * By default, requires 'delete_others_posts' capability, but filtering return value.
	 *
	 * @since 2.2.3
	 *
	 * @param  WP_REST_Request $request Full details about the request.
	 * @return WP_Error|boolean
	 */
	public function delete_item_permissions_check( $request ) {
		$this->initiate_rest_read_box( $request, 'field_value_delete' );
		if ( ! is_wp_error( $this->rest_box ) ) {
			$this->field = $this->rest_box->field_can_edit( $this->request->get_param( 'field_id' ), true );
		}

		$can_delete = current_user_can( 'delete_others_posts' );

		/**
		 * By default, 'delete_others_posts' is required capability.
		 *
		 * @since 2.2.3
		 *
		 * @param bool   $can_delete Whether this CMB2 endpoint can be accessed.
		 * @param object $controller This CMB2_REST_Controller object.
		 */
		return $this->maybe_hook_callback_and_apply_filters( 'cmb2_api_delete_field_value_permissions_check', $can_delete );
	}

	/**
	 * Delete CMB2 field value.
	 *
	 * @since 2.2.3
	 *
	 * @param  WP_REST_Request $request Full data about the request.
	 * @return WP_Error|WP_REST_Response
	 */
	public function delete_item( $request ) {
		$this->initiate_rest_read_box( $request, 'field_value_delete' );

		return $this->modify_field_value( 'deleted' );
	}

	/**
	 * Modify CMB2 field value.
	 *
	 * @since 2.2.3
	 *
	 * @param  string $activity The modification activity (updated or deleted).
	 * @return WP_Error|WP_REST_Response
	 */
	public function modify_field_value( $activity ) {

		if ( ! $this->request['object_id'] || ! $this->request['object_type'] ) {
			return new WP_Error( 'cmb2_rest_modify_field_value_error', __( 'CMB2 Field value cannot be modified without the object_id and object_type parameters specified.', 'cmb2' ), array(
				'status' => 400,
			) );
		}

		if ( is_wp_error( $this->rest_box ) ) {
			return $this->rest_box;
		}

		$this->field = $this->rest_box->field_can_edit(
			$this->field ? $this->field : $this->request->get_param( 'field_id' ),
			true
		);

		if ( ! $this->field ) {
			return new WP_Error( 'cmb2_rest_no_field_by_id_error', __( 'No field found by that id.', 'cmb2' ), array(
				'status' => 403,
			) );
		}

		$this->field->args[ "value_{$activity}" ] = (bool) 'deleted' === $activity
			? $this->field->remove_data()
			: $this->field->save_field( $this->request['value'] );

		// If options page, save the $activity options
		if ( 'options-page' == $this->request['object_type'] ) {
			$this->field->args[ "value_{$activity}" ] = cmb2_options( $this->request['object_id'] )->set();
		}

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

	/**
	 * Get a response object for a specific field ID.
	 *
	 * @since 2.2.3
	 *
	 * @param  string\CMB2_Field Field id or Field object.
	 * @return WP_Error|WP_REST_Response
	 */
	public function prepare_read_field( $field ) {
		$this->field = $this->rest_box->field_can_read( $field, true );

		if ( ! $this->field ) {
			return new WP_Error( 'cmb2_rest_no_field_by_id_error', __( 'No field found by that id.', 'cmb2' ), array(
				'status' => 403,
			) );
		}

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

	/**
	 * Get a specific field response.
	 *
	 * @since 2.2.3
	 *
	 * @param  CMB2_Field Field object.
	 * @return array      Response array.
	 */
	public function prepare_field_response() {
		$field_data = $this->prepare_field_data( $this->field );
		$response = rest_ensure_response( $field_data );

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

		return $response;
	}

	/**
	 * Prepare the field data array for JSON.
	 *
	 * @since  2.2.3
	 *
	 * @param  CMB2_Field $field field object.
	 *
	 * @return array             Array of field data.
	 */
	protected function prepare_field_data( CMB2_Field $field ) {
		$field_data = array();
		$params_to_ignore = array( '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;

		$field_args = $field->args();

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

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

				if ( isset( $this->request['_rendered'] ) ) {
					$value = $key === 'render_row_cb' ? $rendered : $field->get_param_callback_result( $key );
				} elseif ( is_array( $value ) ) {
					// We need to rewrite callbacks as string as they will cause
					// JSON recursion errors.
					$class = is_string( $value[0] ) ? $value[0] : get_class( $value[0] );
					$value = $class . '::' . $value[1];
				}
			}

			$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 ] = sprintf( __( 'Value Error for %s', 'cmb2' ), $key );
			}
		}

		if ( $field->args( 'has_supporting_data' ) ) {
			$field_data = $this->get_supporting_data( $field_data, $field );
		}

		if ( $this->request['object_id'] && $this->request['object_type'] ) {
			$field_data['value'] = $field->get_rest_value();
		}

		return $field_data;
	}

	/**
	 * Gets field supporting data (field id and value).
	 *
	 * @since  2.7.0
	 *
	 * @param  CMB2_Field $field      Field object.
	 * @param  array      $field_data Array of field data.
	 *
	 * @return array                  Array of field data.
	 */
	public function get_supporting_data( $field_data, $field ) {

		// Reset placement of this property.
		unset( $field_data['has_supporting_data'] );
		$field_data['has_supporting_data'] = true;

		$field = $field->get_supporting_field();
		$field_data['supporting_data'] = array(
			'id' => $field->_id( '', false ),
		);

		if ( $this->request['object_id'] && $this->request['object_type'] ) {
			$field_data['supporting_data']['value'] = $field->get_rest_value();
		}

		return $field_data;
	}

	/**
	 * Return an array of contextual links for field/fields.
	 *
	 * @since  2.2.3
	 *
	 * @param  CMB2_Field $field Field object to build links from.
	 *
	 * @return array             Array of links
	 */
	protected function prepare_links( $field ) {
		$boxbase      = $this->namespace_base . '/' . $this->rest_box->cmb->cmb_id;
		$query_string = $this->get_query_string();

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

		return $links;
	}

	/**
	 * Checks if the CMB2 box or field has any registered callback parameters for the given filter.
	 *
	 * The registered handlers will have a property name which matches the filter, except:
	 * - The 'cmb2_api' prefix will be removed
	 * - A '_cb' suffix will be added (to stay inline with other '*_cb' parameters).
	 *
	 * @since  2.2.3
	 *
	 * @param  string $filter      The filter name.
	 * @param  bool   $default_val The default filter value.
	 *
	 * @return bool                The possibly-modified filter value (if the _cb param is a non-callable).
	 */
	public function maybe_hook_registered_callback( $filter, $default_val ) {
		$default_val = parent::maybe_hook_registered_callback( $filter, $default_val );

		if ( $this->field ) {

			// Hook field specific filter callbacks.
			$val = $this->field->maybe_hook_parameter( $filter, $default_val );
			if ( null !== $val ) {
				$default_val = $val;
			}
		}

		return $default_val;
	}

	/**
	 * Unhooks any CMB2 box or field registered callback parameters for the given filter.
	 *
	 * @since  2.2.3
	 *
	 * @param  string $filter The filter name.
	 *
	 * @return void
	 */
	public function maybe_unhook_registered_callback( $filter ) {
		parent::maybe_unhook_registered_callback( $filter );

		if ( $this->field ) {
			// Unhook field specific filter callbacks.
			$this->field->maybe_hook_parameter( $filter, null, 'remove_filter' );
		}
	}

}


1			<?php
2			/**
3			* CMB2 objects/fields endpoint for WordPres REST API.
4			* Allows access to fields registered to a specific box.
5			*
6			* @todo Add better documentation.
7			* @todo Research proper schema.
8			*
9			* @since 2.2.3
10			*
11			* @category WordPress_Plugin
12			* @package CMB2
13			* @author CMB2 team
14			* @license GPL-2.0+
15			* @link https://cmb2.io
16			*/
17			class CMB2_REST_Controller_Fields extends CMB2_REST_Controller_Boxes {
18
19			/**
20			* Register the routes for the objects of the controller.
21			*
22			* @since 2.2.3
23			*/
24			public function register_routes() {
25			$args = array(
26			'_embed' => array(
27			'description' => __( 'Includes the box object which the fields are registered to in the response.', 'cmb2' ),
28			),
29			'_rendered' => array(
30			'description' => __( 'When the \'_rendered\' argument is passed, the renderable field attributes will be returned fully rendered. By default, the names of the callback handers for the renderable attributes will be returned.', 'cmb2' ),
31			),
32			'object_id' => array(
33			'description' => __( 'To view or modify the field\'s value, the \'object_id\' and \'object_type\' arguments are required.', 'cmb2' ),
34			),
35			'object_type' => array(
36			'description' => __( 'To view or modify the field\'s value, the \'object_id\' and \'object_type\' arguments are required.', 'cmb2' ),
37			),
38			);
39
40			// Returns specific box's fields.
41			register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P<cmb_id>[\w-]+)/fields/', array(
42			array(
43			'methods' => WP_REST_Server::READABLE,
44			'permission_callback' => array( $this, 'get_items_permissions_check' ),
45			'callback' => array( $this, 'get_items' ),
46			'args' => $args,
47			),
48			'schema' => array( $this, 'get_item_schema' ),
49			) );
50
51			$delete_args = $args;
52			$delete_args['object_id']['required'] = true;
53			$delete_args['object_type']['required'] = true;
54
55			// Returns specific field data.
56			register_rest_route( $this->namespace, '/' . $this->rest_base . '/(?P<cmb_id>[\w-]+)/fields/(?P<field_id>[\w-]+)', array(
57			array(
58			'methods' => WP_REST_Server::READABLE,
59			'permission_callback' => array( $this, 'get_item_permissions_check' ),
60			'callback' => array( $this, 'get_item' ),
61			'args' => $args,
62			),
63			array(
64			'methods' => WP_REST_Server::EDITABLE,
65			'permission_callback' => array( $this, 'update_item_permissions_check' ),
66			'callback' => array( $this, 'update_item' ),
67			'args' => $this->get_endpoint_args_for_item_schema( WP_REST_Server::EDITABLE ),
68			'args' => $args,
69			),
70			array(
71			'methods' => WP_REST_Server::DELETABLE,
72			'permission_callback' => array( $this, 'delete_item_permissions_check' ),
73			'callback' => array( $this, 'delete_item' ),
74			'args' => $delete_args,
75			),
76			'schema' => array( $this, 'get_item_schema' ),
77			) );
78			}
79
80			/**
81			* Check if a given request has access to get fields.
82			* By default, no special permissions needed, but filtering return value.
83			*
84			* @since 2.2.3
85			*
86			* @param WP_REST_Request $request Full data about the request.
87			* @return WP_Error\|boolean
88			*/
89			public function get_items_permissions_check( $request ) {
90			$this->initiate_rest_read_box( $request, 'fields_read' );
91			$can_access = true;
92
93			/**
94			* By default, no special permissions needed.
95			*
96			* @since 2.2.3
97			*
98			* @param bool $can_access Whether this CMB2 endpoint can be accessed.
99			* @param object $controller This CMB2_REST_Controller object.
100			*/
101			return $this->maybe_hook_callback_and_apply_filters( 'cmb2_api_get_fields_permissions_check', $can_access );
102			}
103
104			/**
105			* Get all public CMB2 box fields.
106			*
107			* @since 2.2.3
108			*
109			* @param WP_REST_Request $request Full data about the request.
110			* @return WP_Error\|WP_REST_Response
111			*/
112			public function get_items( $request ) {
113			if ( ! $this->rest_box ) {
114			$this->initiate_rest_read_box( $request, 'fields_read' );
115			}
116
117			if ( is_wp_error( $this->rest_box ) ) {
118			return $this->rest_box;
119			}
120
121			$fields = array();
122			foreach ( $this->rest_box->cmb->prop( 'fields', array() ) as $field ) {
123
124			// Make sure this field can be read.
125			$this->field = $this->rest_box->field_can_read( $field['id'], true );
126
127			// And make sure current user can view this box.
128			if ( $this->field && $this->get_item_permissions_check_filter() ) {
129			$fields[ $field['id'] ] = $this->server->response_to_data(
130			$this->prepare_field_response(),
131			isset( $this->request['_embed'] )
132			);
133			}
134			}
135
136			return $this->prepare_item( $fields );
137			}
138
139			/**
140			* Check if a given request has access to a field.
141			* By default, no special permissions needed, but filtering return value.
142			*
143			* @since 2.2.3
144			*
145			* @param WP_REST_Request $request Full details about the request.
146			* @return WP_Error\|boolean
147			*/
148			public function get_item_permissions_check( $request ) {
149			$this->initiate_rest_read_box( $request, 'field_read' );
150			if ( ! is_wp_error( $this->rest_box ) ) {
151			$this->field = $this->rest_box->field_can_read( $this->request->get_param( 'field_id' ), true );
152			}
153
154			return $this->get_item_permissions_check_filter();
155			}
156
157			/**
158			* Check by filter if a given request has access to a field.
159			* By default, no special permissions needed, but filtering return value.
160			*
161			* @since 2.2.3
162			*
163			* @param bool $can_access Whether the current request has access to view the field by default.
164			* @return WP_Error\|boolean
165			*/
166			public function get_item_permissions_check_filter( $can_access = true ) {
167			/**
168			* By default, no special permissions needed.
169			*
170			* @since 2.2.3
171			*
172			* @param bool $can_access Whether this CMB2 endpoint can be accessed.
173			* @param object $controller This CMB2_REST_Controller object.
174			*/
175			return $this->maybe_hook_callback_and_apply_filters( 'cmb2_api_get_field_permissions_check', $can_access );
176			}
177
178			/**
179			* Get one CMB2 field from the collection.
180			*
181			* @since 2.2.3
182			*
183			* @param WP_REST_Request $request Full data about the request.
184			* @return WP_Error\|WP_REST_Response
185			*/
186			public function get_item( $request ) {
187			$this->initiate_rest_read_box( $request, 'field_read' );
188
189			if ( is_wp_error( $this->rest_box ) ) {
190			return $this->rest_box;
191			}
192
193			return $this->prepare_read_field( $this->request->get_param( 'field_id' ) );
194			}
195
196			/**
197			* Check if a given request has access to update a field value.
198			* By default, requires 'edit_others_posts' capability, but filtering return value.
199			*
200			* @since 2.2.3
201			*
202			* @param WP_REST_Request $request Full details about the request.
203			* @return WP_Error\|boolean
204			*/
205			public function update_item_permissions_check( $request ) {
206			$this->initiate_rest_read_box( $request, 'field_value_update' );
207			if ( ! is_wp_error( $this->rest_box ) ) {
208			$this->field = $this->rest_box->field_can_edit( $this->request->get_param( 'field_id' ), true );
209			}
210
211			$can_update = current_user_can( 'edit_others_posts' );
212
213			/**
214			* By default, 'edit_others_posts' is required capability.
215			*
216			* @since 2.2.3
217			*
218			* @param bool $can_update Whether this CMB2 endpoint can be accessed.
219			* @param object $controller This CMB2_REST_Controller object.
220			*/
221			return $this->maybe_hook_callback_and_apply_filters( 'cmb2_api_update_field_value_permissions_check', $can_update );
222			}
223
224			/**
225			* Update CMB2 field value.
226			*
227			* @since 2.2.3
228			*
229			* @param WP_REST_Request $request Full data about the request.
230			* @return WP_Error\|WP_REST_Response
231			*/
232			public function update_item( $request ) {
233			$this->initiate_rest_read_box( $request, 'field_value_update' );
234
235			if ( ! $this->request['value'] ) {
236			return new WP_Error( 'cmb2_rest_update_field_error', __( 'CMB2 Field value cannot be updated without the value parameter specified.', 'cmb2' ), array(
237			'status' => 400,
238			) );
239			}
240
241			return $this->modify_field_value( 'updated' );
242			}
243
244			/**
245			* Check if a given request has access to delete a field value.
246			* By default, requires 'delete_others_posts' capability, but filtering return value.
247			*
248			* @since 2.2.3
249			*
250			* @param WP_REST_Request $request Full details about the request.
251			* @return WP_Error\|boolean
252			*/
253			public function delete_item_permissions_check( $request ) {
254			$this->initiate_rest_read_box( $request, 'field_value_delete' );
255			if ( ! is_wp_error( $this->rest_box ) ) {
256			$this->field = $this->rest_box->field_can_edit( $this->request->get_param( 'field_id' ), true );
257			}
258
259			$can_delete = current_user_can( 'delete_others_posts' );
260
261			/**
262			* By default, 'delete_others_posts' is required capability.
263			*
264			* @since 2.2.3
265			*
266			* @param bool $can_delete Whether this CMB2 endpoint can be accessed.
267			* @param object $controller This CMB2_REST_Controller object.
268			*/
269			return $this->maybe_hook_callback_and_apply_filters( 'cmb2_api_delete_field_value_permissions_check', $can_delete );
270			}
271
272			/**
273			* Delete CMB2 field value.
274			*
275			* @since 2.2.3
276			*
277			* @param WP_REST_Request $request Full data about the request.
278			* @return WP_Error\|WP_REST_Response
279			*/
280			public function delete_item( $request ) {
281			$this->initiate_rest_read_box( $request, 'field_value_delete' );
282
283			return $this->modify_field_value( 'deleted' );
284			}
285
286			/**
287			* Modify CMB2 field value.
288			*
289			* @since 2.2.3
290			*
291			* @param string $activity The modification activity (updated or deleted).
292			* @return WP_Error\|WP_REST_Response
293			*/
294			public function modify_field_value( $activity ) {
295
296			if ( ! $this->request['object_id'] \|\| ! $this->request['object_type'] ) {
297			return new WP_Error( 'cmb2_rest_modify_field_value_error', __( 'CMB2 Field value cannot be modified without the object_id and object_type parameters specified.', 'cmb2' ), array(
298			'status' => 400,
299			) );
300			}
301
302			if ( is_wp_error( $this->rest_box ) ) {
303			return $this->rest_box;
304			}
305
306			$this->field = $this->rest_box->field_can_edit(
307			$this->field ? $this->field : $this->request->get_param( 'field_id' ),
308			true
309			);
310
311			if ( ! $this->field ) {
312			return new WP_Error( 'cmb2_rest_no_field_by_id_error', __( 'No field found by that id.', 'cmb2' ), array(
313			'status' => 403,
314			) );
315			}
316
317			$this->field->args[ "value_{$activity}" ] = (bool) 'deleted' === $activity
318			? $this->field->remove_data()
319			: $this->field->save_field( $this->request['value'] );
320
321			// If options page, save the $activity options
322			if ( 'options-page' == $this->request['object_type'] ) {
323			$this->field->args[ "value_{$activity}" ] = cmb2_options( $this->request['object_id'] )->set();
324			}
325
326			return $this->prepare_read_field( $this->field );
327			}
328
329			/**
330			* Get a response object for a specific field ID.
331			*
332			* @since 2.2.3
333			*
334			* @param string\CMB2_Field Field id or Field object.
335			* @return WP_Error\|WP_REST_Response
336			*/
337			public function prepare_read_field( $field ) {
338			$this->field = $this->rest_box->field_can_read( $field, true );
339
340			if ( ! $this->field ) {
341			return new WP_Error( 'cmb2_rest_no_field_by_id_error', __( 'No field found by that id.', 'cmb2' ), array(
342			'status' => 403,
343			) );
344			}
345
346			return $this->prepare_item( $this->prepare_field_response() );
347			}
348
349			/**
350			* Get a specific field response.
351			*
352			* @since 2.2.3
353			*
354			* @param CMB2_Field Field object.
355			* @return array Response array.
356			*/
357			public function prepare_field_response() {
358			$field_data = $this->prepare_field_data( $this->field );
359			$response = rest_ensure_response( $field_data );
360
361			$response->add_links( $this->prepare_links( $this->field ) );
362
363			return $response;
364			}
365
366			/**
367			* Prepare the field data array for JSON.
368			*
369			* @since 2.2.3
370			*
371			* @param CMB2_Field $field field object.
372			*
373			* @return array Array of field data.
374			*/
375			protected function prepare_field_data( CMB2_Field $field ) {
376			$field_data = array();
377			$params_to_ignore = array( 'show_in_rest', 'options' );
378			$params_to_rename = array(
379			'label_cb' => 'label',
380			'options_cb' => 'options',
381			);
382
383			// Run this first so the js_dependencies arg is populated.
384			$rendered = ( $cb = $field->maybe_callback( 'render_row_cb' ) )
385			// Ok, callback is good, let's run it.
386			? $this->get_cb_results( $cb, $field->args(), $field )
387			: false;
388
389			$field_args = $field->args();
390
391			foreach ( $field_args as $key => $value ) {
392			if ( in_array( $key, $params_to_ignore, true ) ) {
393			continue;
394			}
395
396			if ( 'options_cb' === $key ) {
397			$value = $field->options();
398			} elseif ( in_array( $key, CMB2_Field::$callable_fields, true ) ) {
399
400			if ( isset( $this->request['_rendered'] ) ) {
401			$value = $key === 'render_row_cb' ? $rendered : $field->get_param_callback_result( $key );
402			} elseif ( is_array( $value ) ) {
403			// We need to rewrite callbacks as string as they will cause
404			// JSON recursion errors.
405			$class = is_string( $value[0] ) ? $value[0] : get_class( $value[0] );
406			$value = $class . '::' . $value[1];
407			}
408			}
409
410			$key = isset( $params_to_rename[ $key ] ) ? $params_to_rename[ $key ] : $key;
411
412			if ( empty( $value ) \|\| is_scalar( $value ) \|\| is_array( $value ) ) {
413			$field_data[ $key ] = $value;
414			} else {
415			$field_data[ $key ] = sprintf( __( 'Value Error for %s', 'cmb2' ), $key );
416			}
417			}
418
419			if ( $field->args( 'has_supporting_data' ) ) {
420			$field_data = $this->get_supporting_data( $field_data, $field );
421			}
422
423			if ( $this->request['object_id'] && $this->request['object_type'] ) {
424			$field_data['value'] = $field->get_rest_value();
425			}
426
427			return $field_data;
428			}
429
430			/**
431			* Gets field supporting data (field id and value).
432			*
433			* @since 2.7.0
434			*
435			* @param CMB2_Field $field Field object.
436			* @param array $field_data Array of field data.
437			*
438			* @return array Array of field data.
439			*/
440			public function get_supporting_data( $field_data, $field ) {
441
442			// Reset placement of this property.
443			unset( $field_data['has_supporting_data'] );
444			$field_data['has_supporting_data'] = true;
445
446			$field = $field->get_supporting_field();
447			$field_data['supporting_data'] = array(
448			'id' => $field->_id( '', false ),
449			);
450
451			if ( $this->request['object_id'] && $this->request['object_type'] ) {
452			$field_data['supporting_data']['value'] = $field->get_rest_value();
453			}
454
455			return $field_data;
456			}
457
458			/**
459			* Return an array of contextual links for field/fields.
460			*
461			* @since 2.2.3
462			*
463			* @param CMB2_Field $field Field object to build links from.
464			*
465			* @return array Array of links
466			*/
467			protected function prepare_links( $field ) {
468			$boxbase = $this->namespace_base . '/' . $this->rest_box->cmb->cmb_id;
469			$query_string = $this->get_query_string();
470
471			$links = array(
472			'self' => array(
473			'href' => rest_url( trailingslashit( $boxbase ) . 'fields/' . $field->_id( '', false ) . $query_string ),
474			),
475			'collection' => array(
476			'href' => rest_url( trailingslashit( $boxbase ) . 'fields' . $query_string ),
477			),
478			'up' => array(
479			'embeddable' => true,
480			'href' => rest_url( $boxbase . $query_string ),
481			),
482			);
483
484			return $links;
485			}
486
487			/**
488			* Checks if the CMB2 box or field has any registered callback parameters for the given filter.
489			*
490			* The registered handlers will have a property name which matches the filter, except:
491			* - The 'cmb2_api' prefix will be removed
492			* - A '_cb' suffix will be added (to stay inline with other '*_cb' parameters).
493			*
494			* @since 2.2.3
495			*
496			* @param string $filter The filter name.
497			* @param bool $default_val The default filter value.
498			*
499			* @return bool The possibly-modified filter value (if the _cb param is a non-callable).
500			*/
501			public function maybe_hook_registered_callback( $filter, $default_val ) {
502			$default_val = parent::maybe_hook_registered_callback( $filter, $default_val );
503
504			if ( $this->field ) {
505
506			// Hook field specific filter callbacks.
507			$val = $this->field->maybe_hook_parameter( $filter, $default_val );
508			if ( null !== $val ) {
509			$default_val = $val;
510			}
511			}
512
513			return $default_val;
514			}
515
516			/**
517			* Unhooks any CMB2 box or field registered callback parameters for the given filter.
518			*
519			* @since 2.2.3
520			*
521			* @param string $filter The filter name.
522			*
523			* @return void
524			*/
525			public function maybe_unhook_registered_callback( $filter ) {
526			parent::maybe_unhook_registered_callback( $filter );
527
528			if ( $this->field ) {
529			// Unhook field specific filter callbacks.
530			$this->field->maybe_hook_parameter( $filter, null, 'remove_filter' );
531			}
532			}
533
534			}
535

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CMB2_REST_Controller_Fields::prepare_field_data() F

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