Model::get_attribute() - Code Metrics - Inspection of "Better handling of potentially null config file" - intraxia/jaxion - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#21)

by James

created 2018-12-29 15:41 UTC

Model::get_attribute() B

↳ Parent: Project

Complexity

Conditions	5
Paths	5

Size

Total Lines	19
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	9
CRAP Score	5.025

Importance

Changes

Metric	Value
dl	0
loc	19
ccs	9
cts	10
cp	0.9
rs	8.8571
c	0
b	0
f	0
cc	5
eloc	10
nc	5
nop	1
crap	5.025

<?php
namespace Intraxia\Jaxion\Axolotl;

use Exception;
use Intraxia\Jaxion\Contract\Axolotl\Serializes;
use Intraxia\Jaxion\Contract\Axolotl\UsesCustomTable;
use Intraxia\Jaxion\Contract\Axolotl\UsesWordPressPost;
use Intraxia\Jaxion\Contract\Axolotl\UsesWordPressTerm;
use LogicException;
use WP_Post;
use WP_Term;

/**
 * Class Model
 *
 * Shared model methods and properties, allowing models
 * to transparently map some attributes to an underlying WP_Post
 * object and others to postmeta or a custom table.
 *
 * @package    Intraxia\Jaxion
 * @subpackage Axolotl
 * @since      0.1.0
 */
abstract class Model implements Serializes {
	/**
	 * Table attribute key.
	 */
	const TABLE_KEY = '@@table';

	/**
	 * Object attribute key.
	 */
	const OBJECT_KEY = '@@object';

	/**
	 * Memoized values for class methods.
	 *
	 * @var array
	 */
	private static $memo = array();

	/**
	 * Model attributes.
	 *
	 * @var array
	 */
	private $attributes = array(
		self::TABLE_KEY  => array(),
		self::OBJECT_KEY => null,
	);

	/**
	 * Model's original attributes.
	 *
	 * @var array
	 */
	private $original = array(
		self::TABLE_KEY  => array(),
		self::OBJECT_KEY => null,
	);

	/**
	 * Default attribute values.
	 *
	 * @var array
	 */
	protected $defaults = array();

	/**
	 * Properties which are allowed to be set on the model.
	 *
	 * If this array is empty, any attributes can be set on the model.
	 *
	 * @var string[]
	 */
	protected $fillable = array();

	/**
	 * Properties which cannot be automatically filled on the model.
	 *
	 * If the model is unguarded, these properties can be filled.
	 *
	 * @var array
	 */
	protected $guarded = array();

	/**
	 * Properties which should not be serialized.
	 *
	 * @var array
	 */
	protected $hidden = array();

	/**
	 * Properties which should be serialized.
	 *
	 * @var array
	 */
	protected $visible = array();

	/**
	 * Whether the model's properties are guarded.
	 *
	 * When false, allows guarded properties to be filled.
	 *
	 * @var bool
	 */
	protected $is_guarded = true;

	/**
	 * Constructs a new model with provided attributes.
	 *
	 * If self::OBJECT_KEY is passed as one of the attributes, the underlying post
	 * will be overwritten.
	 *
	 * @param array <string, mixed> $attributes
	 */
	public function __construct( array $attributes = array() ) {
		$this->maybe_boot();
		$this->sync_original();

		if ( $this->uses_wp_object() ) {
			$this->create_wp_object();
		}

		$this->unguard();
		$this->refresh( $attributes );
		$this->reguard();
	}

	/**
	 * Refreshes the model's current attributes with the provided array.
	 *
	 * The model's attributes will match what was provided in the array,
	 * and any attributes not passed
	 *
	 * @param array $attributes
	 *
	 * @return $this
	 */
	public function refresh( array $attributes ) {
		$this->clear();

		return $this->merge( $attributes );
	}

	/**
	 * Merges the provided attributes with the provided array.
	 *
	 * @param array $attributes
	 *
	 * @return $this
	 */
	public function merge( array $attributes ) {
		foreach ( $attributes as $name => $value ) {
			$this->set_attribute( $name, $value );
		}

		return $this;
	}

	/**
	 * Get the model's table attributes.
	 *
	 * Returns the array of for the model that will either need to be
	 * saved in postmeta or a separate table.
	 *
	 * @return array
	 */
	public function get_table_attributes() {
		return $this->attributes[ self::TABLE_KEY ];
	}

	/**
	 * Get the model's original attributes.
	 *
	 * @return array
	 */
	public function get_original_table_attributes() {
		return $this->original[ self::TABLE_KEY ];
	}

	/**
	 * Retrieve an array of the attributes on the model
	 * that have changed compared to the model's
	 * original data.
	 *
	 * @return array
	 */
	public function get_changed_table_attributes() {
		$changed = array();

		foreach ( $this->get_table_attributes() as $key => $value ) {
			if ( $value !==
				 $this->get_original_attribute( $key )
			) {
				$changed[ $key ] = $value;
			}
		}

		return $changed;
	}

	/**
	 * Get the model's underlying post.
	 *
	 * Returns the underlying WP_Post object for the model, representing
	 * the data that will be save in the wp_posts table.
	 *
	 * @return false|WP_Post|WP_Term
	 */
	public function get_underlying_wp_object() {
		if ( isset( $this->attributes[ self::OBJECT_KEY ] ) ) {
			return $this->attributes[ self::OBJECT_KEY ];
		}

		return false;
	}

	/**
	 * Get the model's original underlying post.
	 *
	 * @return WP_Post
	 */
	public function get_original_underlying_wp_object() {
		return $this->original[ self::OBJECT_KEY ];
	}

	/**
	 * Get the model attributes on the WordPress object
	 * that have changed compared to the model's
	 * original attributes.
	 *
	 * @return array
	 */
	public function get_changed_wp_object_attributes() {
		$changed = array();

		foreach ( $this->get_wp_object_keys() as $key ) {
			if ( $this->get_attribute( $key ) !==
				 $this->get_original_attribute( $key )
			) {
				$changed[ $key ] = $this->get_attribute( $key );
			}
		}

		return $changed;
	}

	/**
	 * Magic __set method.
	 *
	 * Passes the name and value to set_attribute, which is where the magic happens.
	 *
	 * @param string $name
	 * @param mixed  $value
	 */
	public function __set( $name, $value ) {
		$this->set_attribute( $name, $value );
	}

	/**
	 * Sets the model attributes.
	 *
	 * Checks whether the model attribute can be set, check if it
	 * maps to the WP_Post property, otherwise, assigns it to the
	 * table attribute array.
	 *
	 * @param string $name
	 * @param mixed  $value
	 *
	 * @return $this
	 *
	 * @throws GuardedPropertyException
	 */
	public function set_attribute( $name, $value ) {
		if ( self::OBJECT_KEY === $name ) {
			return $this->override_wp_object( $value );
		}

		if ( self::TABLE_KEY === $name ) {
			return $this->override_table( $value );
		}

		if ( ! $this->is_fillable( $name ) ) {
			throw new GuardedPropertyException;
		}

		if ( $method = $this->has_map_method( $name ) ) {
			$this->attributes[ self::OBJECT_KEY ]->{$this->{$method}()} = $value;
		} else {
			$this->attributes[ self::TABLE_KEY ][ $name ] = $value;
		}

		return $this;
	}

	/**
	 * Retrieves all the attribute keys for the model.
	 *
	 * @return array
	 */
	public function get_attribute_keys() {
		if ( isset( self::$memo[ get_called_class() ][ __METHOD__ ] ) ) {
			return self::$memo[ get_called_class() ][ __METHOD__ ];
		}

		return self::$memo[ get_called_class() ][ __METHOD__ ]
			= array_merge(
				$this->fillable,
				$this->guarded,
				$this->get_compute_methods()
			);
	}

	/**
	 * Retrieves the attribute keys that aren't mapped to a post.
	 *
	 * @return array
	 */
	public function get_table_keys() {
		if ( isset( self::$memo[ get_called_class() ][ __METHOD__ ] ) ) {
			return self::$memo[ get_called_class() ][ __METHOD__ ];
		}

		$keys = array();

		foreach ( $this->get_attribute_keys() as $key ) {
			if ( ! $this->has_map_method( $key ) &&
				 ! $this->has_compute_method( $key )
			) {
				$keys[] = $key;
			}
		}

		return self::$memo[ get_called_class() ][ __METHOD__ ] = $keys;
	}

	/**
	 * Retrieves the attribute keys that are mapped to a post.
	 *
	 * @return array
	 */
	public function get_wp_object_keys() {
		if ( isset( self::$memo[ get_called_class() ][ __METHOD__ ] ) ) {
			return self::$memo[ get_called_class() ][ __METHOD__ ];
		}

		$keys = array();

		foreach ( $this->get_attribute_keys() as $key ) {
			if ( $this->has_map_method( $key ) ) {
				$keys[] = $key;
			}
		}

		return self::$memo[ get_called_class() ][ __METHOD__ ] = $keys;
	}

	/**
	 * Returns the model's keys that are computed at call time.
	 *
	 * @return array
	 */
	public function get_computed_keys() {
		if ( isset( self::$memo[ get_called_class() ][ __METHOD__ ] ) ) {
			return self::$memo[ get_called_class() ][ __METHOD__ ];
		}

		$keys = array();

		foreach ( $this->get_attribute_keys() as $key ) {
			if ( $this->has_compute_method( $key ) ) {
				$keys[] = $key;
			}
		}

		return self::$memo[ get_called_class() ][ __METHOD__ ] = $keys;
	}

	/**
	 * Serializes the model's public data into an array.
	 *
	 * @return array
	 */
	public function serialize() {
		$attributes = array();

		if ( $this->visible ) {
			// If visible attributes are set, we'll only reveal those.
			foreach ( $this->visible as $key ) {
				$attributes[ $key ] = $this->get_attribute( $key );
			}
		} elseif ( $this->hidden ) {
			// If hidden attributes are set, we'll grab everything and hide those.
			foreach ( $this->get_attribute_keys() as $key ) {
				if ( ! in_array( $key, $this->hidden ) ) {
					$attributes[ $key ] = $this->get_attribute( $key );
				}
			}
		} else {
			// If nothing is hidden/visible, we'll grab and reveal everything.
			foreach ( $this->get_attribute_keys() as $key ) {
				$attributes[ $key ] = $this->get_attribute( $key );
			}
		}

		return array_map( function ( $attribute ) {
			if ( $attribute instanceof Serializes ) {
				return $attribute->serialize();
			}

			return $attribute;
		}, $attributes );
	}

	/**
	 * Syncs the current attributes to the model's original.
	 *
	 * @return $this
	 */
	public function sync_original() {
		$this->original = $this->attributes;

		if ( $this->attributes[ self::OBJECT_KEY ] ) {
			$this->original[ self::OBJECT_KEY ] = clone $this->attributes[ self::OBJECT_KEY ];
		}

		foreach ( $this->original[ self::TABLE_KEY ] as $key => $item ) {
			if ( is_object( $item ) ) {
				$this->original[ $key ] = clone $item;
			}
		}

		return $this;
	}

	/**
	 * Checks if a given attribute is mass-fillable.
	 *
	 * Returns true if the attribute can be filled, false if it can't.
	 *
	 * @param string $name
	 *
	 * @return bool
	 */
	private function is_fillable( $name ) {
		// If this model isn't guarded, everything is fillable.
		if ( ! $this->is_guarded ) {
			return true;
		}

		// If it's in the fillable array, then it's fillable.
		if ( in_array( $name, $this->fillable ) ) {
			return true;
		}

		// If it's explicitly guarded, then it's not fillable.
		if ( in_array( $name, $this->guarded ) ) {
			return false;
		}

		// If fillable hasn't been defined, then everything else fillable.
		return ! $this->fillable;
	}

	/**
	 * Overrides the current WordPress object with a provided one.
	 *
	 * Resets the post's default values and stores it in the attributes.
	 *
	 * @param WP_Post|WP_Term|null $value
	 *
	 * @return $this
	 */
	private function override_wp_object( $value ) {
		if ( is_object( $value ) ) {
			$this->attributes[ self::OBJECT_KEY ] = $this->set_wp_object_constants( $value );
		} else {
			$this->attributes[ self::OBJECT_KEY ] = null;

			if ( $this->uses_wp_object() ) {
				$this->create_wp_object();
			}
		}

		return $this;
	}

	/**
	 * Overrides the current table attributes array with a provided one.
	 *
	 * @param array $value
	 *
	 * @return $this
	 */
	private function override_table( array $value ) {
		$this->attributes[ self::TABLE_KEY ] = $value;

		return $this;
	}

	/**
	 * Create and set with a new blank post.
	 *
	 * Creates a new WP_Post object, assigns it the default attributes,
	 * and stores it in the attributes.
	 *
	 * @throws LogicException
	 */
	private function create_wp_object() {
		switch ( true ) {
			case $this instanceof UsesWordPressPost:
				$object = new WP_Post( (object) array() );
				break;
			case $this instanceof UsesWordPressTerm:
				$object = new WP_Term( (object) array() );
				break;
			default:
				throw new LogicException;
				break;
		}

		$this->attributes[ self::OBJECT_KEY ] = $this->set_wp_object_constants( $object );
	}

	/**
	 * Enforces values on the post that can't change.
	 *
	 * Primarily, this is used to make sure the post_type always maps
	 * to the model's "$type" property, but this can all be overridden
	 * by the developer to enforce other values in the model.
	 *
	 * @param object $object
	 *
	 * @return object
	 */
	protected function set_wp_object_constants( $object ) {
		if ( $this instanceof UsesWordPressPost ) {
			$object->post_type = static::get_post_type();
		}

		if ( $this instanceof UsesWordPressTerm ) {
			$object->taxonomy = static::get_taxonomy();
		}

		return $object;
	}

	/**
	 * Magic __get method.
	 *
	 * Passes the name and value to get_attribute, which is where the magic happens.
	 *
	 * @param string $name
	 *
	 * @return mixed
	 */
	public function __get( $name ) {
		return $this->get_attribute( $name );
	}

	/**
	 * Retrieves the model attribute.
	 *
	 * @param string $name
	 *
	 * @return mixed
	 *
	 * @throws PropertyDoesNotExistException If property isn't found.
	 */
	public function get_attribute( $name ) {
		if ( $method = $this->has_map_method( $name ) ) {
			return $this->attributes[ self::OBJECT_KEY ]->{$this->{$method}()};
		}

		if ( $method = $this->has_compute_method( $name ) ) {
			return $this->{$method}();
		}

		if ( isset( $this->attributes[ self::TABLE_KEY ][ $name ] ) ) {
			return $this->attributes[ self::TABLE_KEY ][ $name ];
		}

		if ( isset( $this->defaults[ $name ] ) ) {
			return $this->defaults[ $name ];
		}

		return null;
	}

	/**
	 * Retrieve the model's original attribute value.
	 *
	 * @param string $name
	 *
	 * @return mixed
	 *
	 * @throws PropertyDoesNotExistException If property isn't found.
	 */
	public function get_original_attribute( $name ) {
		$original_attributes = $this->original;

		if ( ! is_object( $original_attributes[ static::OBJECT_KEY ] ) ) {
			unset( $original_attributes[ static::OBJECT_KEY ] );
		}

		$original = new static( $original_attributes );

		return $original->get_attribute( $name );
	}

	/**
	 * Fetches the Model's primary ID, depending on the model
	 * implementation.
	 *
	 * @return int
	 *
	 * @throws LogicException
	 */
	public function get_primary_id() {
		if ( $this instanceof UsesWordPressPost ) {
			return $this->get_underlying_wp_object()->ID;
		}

		if ( $this instanceof UsesWordPressTerm ) {
			return $this->get_underlying_wp_object()->term_id;
		}

		if ( $this instanceof UsesCustomTable ) {
			return $this->get_attribute( $this->get_primary_key() );
		}

		// Model w/o wp_object not yet supported.
		throw new LogicException;
	}

	/**
	 * Checks whether the attribute has a map method.
	 *
	 * This is used to determine whether the attribute maps to a
	 * property on the underlying WP_Post object. Returns the
	 * method if one exists, returns false if it doesn't.
	 *
	 * @param string $name
	 *
	 * @return false|string
	 */
	protected function has_map_method( $name ) {
		if ( method_exists( $this, $method = "map_{$name}" ) ) {
			return $method;
		}

		return false;
	}

	/**
	 * Checks whether the attribute has a compute method.
	 *
	 * This is used to determine if the attribute should be computed
	 * from other attributes.
	 *
	 * @param string $name
	 *
	 * @return false|string
	 */
	protected function has_compute_method( $name ) {
		if ( method_exists( $this, $method = "compute_{$name}" ) ) {
			return $method;
		}

		return false;
	}

	/**
	 * Clears all the current attributes from the model.
	 *
	 * This does not touch the model's original attributes, and will
	 * only clear fillable attributes, unless the model is unguarded.
	 *
	 * @return $this
	 */
	public function clear() {
		$keys = array_merge(
			$this->get_table_keys(),
			$this->get_wp_object_keys()
		);

		foreach ( $keys as $key ) {
			try {
				$this->set_attribute( $key, null );
			} catch ( $e ) {

				// We won't clear out guarded attributes.
				if ( ! ( $e instanceof GuardedPropertyException ) ) {
					throw $e;
				}
			}
		}

		return $this;
	}

	/**
	 * Unguards the model.
	 *
	 * Sets the model to be unguarded, allowing the filling of
	 * guarded attributes.
	 */
	public function unguard() {
		$this->is_guarded = false;
	}

	/**
	 * Reguards the model.
	 *
	 * Sets the model to be guarded, preventing filling of
	 * guarded attributes.
	 */
	public function reguard() {
		$this->is_guarded = true;
	}

	/**
	 * Retrieves all the compute methods on the model.
	 *
	 * @return array
	 */
	protected function get_compute_methods() {
		$methods = get_class_methods( get_called_class() );
		$methods = array_filter( $methods, function ( $method ) {
			return strrpos( $method, 'compute_', - strlen( $method ) ) !== false;
		} );
		$methods = array_map( function ( $method ) {
			return substr( $method, strlen( 'compute_' ) );
		}, $methods );

		return $methods;
	}

	/**
	 * Sets up the memo array for the creating model.
	 */
	private function maybe_boot() {
		if ( ! isset( self::$memo[ get_called_class() ] ) ) {
			self::$memo[ get_called_class() ] = array();
		}
	}

	/**
	 * Whether this Model uses an underlying WordPress object.
	 *
	 * @return bool
	 */
	protected function uses_wp_object() {
		return $this instanceof UsesWordPressPost ||
			$this instanceof UsesWordPressTerm;
	}
}


1		<?php
2		namespace Intraxia\Jaxion\Axolotl;
3
4		use Exception;
5		use Intraxia\Jaxion\Contract\Axolotl\Serializes;
6		use Intraxia\Jaxion\Contract\Axolotl\UsesCustomTable;
7		use Intraxia\Jaxion\Contract\Axolotl\UsesWordPressPost;
8		use Intraxia\Jaxion\Contract\Axolotl\UsesWordPressTerm;
9		use LogicException;
10		use WP_Post;
11		use WP_Term;
12
13		/**
14		* Class Model
15		*
16		* Shared model methods and properties, allowing models
17		* to transparently map some attributes to an underlying WP_Post
18		* object and others to postmeta or a custom table.
19		*
20		* @package Intraxia\Jaxion
21		* @subpackage Axolotl
22		* @since 0.1.0
23		*/
24		abstract class Model implements Serializes {
25		/**
26		* Table attribute key.
27		*/
28		const TABLE_KEY = '@@table';
29
30		/**
31		* Object attribute key.
32		*/
33		const OBJECT_KEY = '@@object';
34
35		/**
36		* Memoized values for class methods.
37		*
38		* @var array
39		*/
40		private static $memo = array();
41
42		/**
43		* Model attributes.
44		*
45		* @var array
46		*/
47		private $attributes = array(
48		self::TABLE_KEY => array(),
49		self::OBJECT_KEY => null,
50		);
51
52		/**
53		* Model's original attributes.
54		*
55		* @var array
56		*/
57		private $original = array(
58		self::TABLE_KEY => array(),
59		self::OBJECT_KEY => null,
60		);
61
62		/**
63		* Default attribute values.
64		*
65		* @var array
66		*/
67		protected $defaults = array();
68
69		/**
70		* Properties which are allowed to be set on the model.
71		*
72		* If this array is empty, any attributes can be set on the model.
73		*
74		* @var string[]
75		*/
76		protected $fillable = array();
77
78		/**
79		* Properties which cannot be automatically filled on the model.
80		*
81		* If the model is unguarded, these properties can be filled.
82		*
83		* @var array
84		*/
85		protected $guarded = array();
86
87		/**
88		* Properties which should not be serialized.
89		*
90		* @var array
91		*/
92		protected $hidden = array();
93
94		/**
95		* Properties which should be serialized.
96		*
97		* @var array
98		*/
99		protected $visible = array();
100
101		/**
102		* Whether the model's properties are guarded.
103		*
104		* When false, allows guarded properties to be filled.
105		*
106		* @var bool
107		*/
108		protected $is_guarded = true;
109
110		/**
111		* Constructs a new model with provided attributes.
112		*
113		* If self::OBJECT_KEY is passed as one of the attributes, the underlying post
114		* will be overwritten.
115		*
116		* @param array <string, mixed> $attributes
117		*/
118	96	public function __construct( array $attributes = array() ) {
119	96	$this->maybe_boot();
120	96	$this->sync_original();
121
122	96	if ( $this->uses_wp_object() ) {
123	60	$this->create_wp_object();
124	40	}
125
126	96	$this->unguard();
127	96	$this->refresh( $attributes );
128	96	$this->reguard();
129	96	}
130
131		/**
132		* Refreshes the model's current attributes with the provided array.
133		*
134		* The model's attributes will match what was provided in the array,
135		* and any attributes not passed
136		*
137		* @param array $attributes
138		*
139		* @return $this
140		*/
141	96	public function refresh( array $attributes ) {
142	96	$this->clear();
143
144	96	return $this->merge( $attributes );
145		}
146
147		/**
148		* Merges the provided attributes with the provided array.
149		*
150		* @param array $attributes
151		*
152		* @return $this
153		*/
154	96	public function merge( array $attributes ) {
155	96	foreach ( $attributes as $name => $value ) {
156	45	$this->set_attribute( $name, $value );
157	64	}
158
159	96	return $this;
160		}
161
162		/**
163		* Get the model's table attributes.
164		*
165		* Returns the array of for the model that will either need to be
166		* saved in postmeta or a separate table.
167		*
168		* @return array
169		*/
170	12	public function get_table_attributes() {
171	12	return $this->attributes[ self::TABLE_KEY ];
172		}
173
174		/**
175		* Get the model's original attributes.
176		*
177		* @return array
178		*/
179	6	public function get_original_table_attributes() {
180	6	return $this->original[ self::TABLE_KEY ];
181		}
182
183		/**
184		* Retrieve an array of the attributes on the model
185		* that have changed compared to the model's
186		* original data.
187		*
188		* @return array
189		*/
190	3	public function get_changed_table_attributes() {
191	3	$changed = array();
192
193	3	foreach ( $this->get_table_attributes() as $key => $value ) {
194		if ( $value !==
195	3	$this->get_original_attribute( $key )
196	2	) {
197	3	$changed[ $key ] = $value;
198	2	}
199	2	}
200
201	3	return $changed;
202		}
203
204		/**
205		* Get the model's underlying post.
206		*
207		* Returns the underlying WP_Post object for the model, representing
208		* the data that will be save in the wp_posts table.
209		*
210		* @return false\|WP_Post\|WP_Term
211		*/
212	18	public function get_underlying_wp_object() {
213	18	if ( isset( $this->attributes[ self::OBJECT_KEY ] ) ) {
214	15	return $this->attributes[ self::OBJECT_KEY ];
215		}
216
217	3	return false;
218		}
219
220		/**
221		* Get the model's original underlying post.
222		*
223		* @return WP_Post
224		*/
225	6	public function get_original_underlying_wp_object() {
226	6	return $this->original[ self::OBJECT_KEY ];
227		}
228
229		/**
230		* Get the model attributes on the WordPress object
231		* that have changed compared to the model's
232		* original attributes.
233		*
234		* @return array
235		*/
236	3	public function get_changed_wp_object_attributes() {
237	3	$changed = array();
238
239	3	foreach ( $this->get_wp_object_keys() as $key ) {
240	3	if ( $this->get_attribute( $key ) !==
241	3	$this->get_original_attribute( $key )
242	2	) {
243	3	$changed[ $key ] = $this->get_attribute( $key );
244	2	}
245	2	}
246
247	3	return $changed;
248		}
249
250		/**
251		* Magic __set method.
252		*
253		* Passes the name and value to set_attribute, which is where the magic happens.
254		*
255		* @param string $name
256		* @param mixed $value
257		*/
258	6	public function __set( $name, $value ) {
259	6	$this->set_attribute( $name, $value );
260	6	}
261
262		/**
263		* Sets the model attributes.
264		*
265		* Checks whether the model attribute can be set, check if it
266		* maps to the WP_Post property, otherwise, assigns it to the
267		* table attribute array.
268		*
269		* @param string $name
270		* @param mixed $value
271		*
272		* @return $this
273		*
274		* @throws GuardedPropertyException
275		*/
276	96	public function set_attribute( $name, $value ) {
277	96	if ( self::OBJECT_KEY === $name ) {
278	27	return $this->override_wp_object( $value );
279		}
280
281	96	if ( self::TABLE_KEY === $name ) {
282	6	return $this->override_table( $value );
283		}
284
285	96	if ( ! $this->is_fillable( $name ) ) {
286	9	throw new GuardedPropertyException;
287		}
288
289	96	if ( $method = $this->has_map_method( $name ) ) {
290	60	$this->attributes[ self::OBJECT_KEY ]->{$this->{$method}()} = $value;
291	40	} else {
292	96	$this->attributes[ self::TABLE_KEY ][ $name ] = $value;
293		}
294
295	96	return $this;
296		}
297
298		/**
299		* Retrieves all the attribute keys for the model.
300		*
301		* @return array
302		*/
303	18	public function get_attribute_keys() {
304	18	if ( isset( self::$memo[ get_called_class() ][ __METHOD__ ] ) ) {
305	18	return self::$memo[ get_called_class() ][ __METHOD__ ];
306		}
307
308	9	return self::$memo[ get_called_class() ][ __METHOD__ ]
309	9	= array_merge(
310	9	$this->fillable,
311	9	$this->guarded,
312	9	$this->get_compute_methods()
313	6	);
314		}
315
316		/**
317		* Retrieves the attribute keys that aren't mapped to a post.
318		*
319		* @return array
320		*/
321	96	public function get_table_keys() {
322	96	if ( isset( self::$memo[ get_called_class() ][ __METHOD__ ] ) ) {
323	93	return self::$memo[ get_called_class() ][ __METHOD__ ];
324		}
325
326	9	$keys = array();
327
328	9	foreach ( $this->get_attribute_keys() as $key ) {
329	9	if ( ! $this->has_map_method( $key ) &&
330	9	! $this->has_compute_method( $key )
331	6	) {
332	9	$keys[] = $key;
333	6	}
334	6	}
335
336	9	return self::$memo[ get_called_class() ][ __METHOD__ ] = $keys;
337		}
338
339		/**
340		* Retrieves the attribute keys that are mapped to a post.
341		*
342		* @return array
343		*/
344	96	public function get_wp_object_keys() {
345	96	if ( isset( self::$memo[ get_called_class() ][ __METHOD__ ] ) ) {
346	93	return self::$memo[ get_called_class() ][ __METHOD__ ];
347		}
348
349	9	$keys = array();
350
351	9	foreach ( $this->get_attribute_keys() as $key ) {
352	9	if ( $this->has_map_method( $key ) ) {
353	7	$keys[] = $key;
354	4	}
355	6	}
356
357	9	return self::$memo[ get_called_class() ][ __METHOD__ ] = $keys;
358		}
359
360		/**
361		* Returns the model's keys that are computed at call time.
362		*
363		* @return array
364		*/
365	3	public function get_computed_keys() {
366	3	if ( isset( self::$memo[ get_called_class() ][ __METHOD__ ] ) ) {
367	3	return self::$memo[ get_called_class() ][ __METHOD__ ];
368		}
369
370	3	$keys = array();
371
372	3	foreach ( $this->get_attribute_keys() as $key ) {
373	3	if ( $this->has_compute_method( $key ) ) {
374	3	$keys[] = $key;
375	2	}
376	2	}
377
378	3	return self::$memo[ get_called_class() ][ __METHOD__ ] = $keys;
379		}
380
381		/**
382		* Serializes the model's public data into an array.
383		*
384		* @return array
385		*/
386	12	public function serialize() {
387	12	$attributes = array();
388
389	12	if ( $this->visible ) {
390		// If visible attributes are set, we'll only reveal those.
391	6	foreach ( $this->visible as $key ) {
392	6	$attributes[ $key ] = $this->get_attribute( $key );
393	4	}
394	10	} elseif ( $this->hidden ) {
395		// If hidden attributes are set, we'll grab everything and hide those.
396	3	foreach ( $this->get_attribute_keys() as $key ) {
397	3	if ( ! in_array( $key, $this->hidden ) ) {
398	3	$attributes[ $key ] = $this->get_attribute( $key );
399	2	}
400	2	}
401	2	} else {
402		// If nothing is hidden/visible, we'll grab and reveal everything.
403	3	foreach ( $this->get_attribute_keys() as $key ) {
404	3	$attributes[ $key ] = $this->get_attribute( $key );
405	2	}
406		}
407
408	4	return array_map( function ( $attribute ) {
409	12	if ( $attribute instanceof Serializes ) {
410	3	return $attribute->serialize();
411		}
412
413	12	return $attribute;
414	12	}, $attributes );
415		}
416
417		/**
418		* Syncs the current attributes to the model's original.
419		*
420		* @return $this
421		*/
422	96	public function sync_original() {
423	96	$this->original = $this->attributes;
424
425	96	if ( $this->attributes[ self::OBJECT_KEY ] ) {
426	9	$this->original[ self::OBJECT_KEY ] = clone $this->attributes[ self::OBJECT_KEY ];
427	6	}
428
429	96	foreach ( $this->original[ self::TABLE_KEY ] as $key => $item ) {
430	9	if ( is_object( $item ) ) {
431	9	$this->original[ $key ] = clone $item;
432	6	}
433	64	}
434
435	96	return $this;
436		}
437
438		/**
439		* Checks if a given attribute is mass-fillable.
440		*
441		* Returns true if the attribute can be filled, false if it can't.
442		*
443		* @param string $name
444		*
445		* @return bool
446		*/
447	96	private function is_fillable( $name ) {
448		// If this model isn't guarded, everything is fillable.
449	96	if ( ! $this->is_guarded ) {
450	96	return true;
451		}
452
453		// If it's in the fillable array, then it's fillable.
454	18	if ( in_array( $name, $this->fillable ) ) {
455	12	return true;
456		}
457
458		// If it's explicitly guarded, then it's not fillable.
459	9	if ( in_array( $name, $this->guarded ) ) {
460	9	return false;
461		}
462
463		// If fillable hasn't been defined, then everything else fillable.
464		return ! $this->fillable;
465		}
466
467		/**
468		* Overrides the current WordPress object with a provided one.
469		*
470		* Resets the post's default values and stores it in the attributes.
471		*
472		* @param WP_Post\|WP_Term\|null $value
473		*
474		* @return $this
475		*/
476	27	private function override_wp_object( $value ) {
477	27	if ( is_object( $value ) ) {
478	27	$this->attributes[ self::OBJECT_KEY ] = $this->set_wp_object_constants( $value );
479	18	} else {
480		$this->attributes[ self::OBJECT_KEY ] = null;
481
482		if ( $this->uses_wp_object() ) {
483		$this->create_wp_object();
484		}
485		}
486
487	27	return $this;
488		}
489
490		/**
491		* Overrides the current table attributes array with a provided one.
492		*
493		* @param array $value
494		*
495		* @return $this
496		*/
497	6	private function override_table( array $value ) {
498	6	$this->attributes[ self::TABLE_KEY ] = $value;
499
500	6	return $this;
501		}
502
503		/**
504		* Create and set with a new blank post.
505		*
506		* Creates a new WP_Post object, assigns it the default attributes,
507		* and stores it in the attributes.
508		*
509		* @throws LogicException
510		*/
511	60	private function create_wp_object() {
512	40	switch ( true ) {
513	60	case $this instanceof UsesWordPressPost:
514	60	$object = new WP_Post( (object) array() );
515	60	break;
516		case $this instanceof UsesWordPressTerm:
517		$object = new WP_Term( (object) array() );
518		break;
519		default:
520		throw new LogicException;
521		break;
522		}
523
524	60	$this->attributes[ self::OBJECT_KEY ] = $this->set_wp_object_constants( $object );
525	60	}
526
527		/**
528		* Enforces values on the post that can't change.
529		*
530		* Primarily, this is used to make sure the post_type always maps
531		* to the model's "$type" property, but this can all be overridden
532		* by the developer to enforce other values in the model.
533		*
534		* @param object $object
535		*
536		* @return object
537		*/
538	60	protected function set_wp_object_constants( $object ) {
539	60	if ( $this instanceof UsesWordPressPost ) {
540	60	$object->post_type = static::get_post_type();
541	40	}
542
543	60	if ( $this instanceof UsesWordPressTerm ) {
544		$object->taxonomy = static::get_taxonomy();
545		}
546
547	60	return $object;
548		}
549
550		/**
551		* Magic __get method.
552		*
553		* Passes the name and value to get_attribute, which is where the magic happens.
554		*
555		* @param string $name
556		*
557		* @return mixed
558		*/
559	24	public function __get( $name ) {
560	24	return $this->get_attribute( $name );
561		}
562
563		/**
564		* Retrieves the model attribute.
565		*
566		* @param string $name
567		*
568		* @return mixed
569		*
570		* @throws PropertyDoesNotExistException If property isn't found.
571		*/
572	51	public function get_attribute( $name ) {
573	51	if ( $method = $this->has_map_method( $name ) ) {
574	24	return $this->attributes[ self::OBJECT_KEY ]->{$this->{$method}()};
575		}
576
577	39	if ( $method = $this->has_compute_method( $name ) ) {
578	12	return $this->{$method}();
579		}
580
581	36	if ( isset( $this->attributes[ self::TABLE_KEY ][ $name ] ) ) {
582	33	return $this->attributes[ self::TABLE_KEY ][ $name ];
583		}
584
585	3	if ( isset( $this->defaults[ $name ] ) ) {
586		return $this->defaults[ $name ];
587		}
588
589	3	return null;
590		}
591
592		/**
593		* Retrieve the model's original attribute value.
594		*
595		* @param string $name
596		*
597		* @return mixed
598		*
599		* @throws PropertyDoesNotExistException If property isn't found.
600		*/
601	6	public function get_original_attribute( $name ) {
602	6	$original_attributes = $this->original;
603
604	6	if ( ! is_object( $original_attributes[ static::OBJECT_KEY ] ) ) {
605		unset( $original_attributes[ static::OBJECT_KEY ] );
606		}
607
608	6	$original = new static( $original_attributes );
609
610	6	return $original->get_attribute( $name );
611		}
612
613		/**
614		* Fetches the Model's primary ID, depending on the model
615		* implementation.
616		*
617		* @return int
618		*
619		* @throws LogicException
620		*/
621		public function get_primary_id() {
622		if ( $this instanceof UsesWordPressPost ) {
623		return $this->get_underlying_wp_object()->ID;
624		}
625
626		if ( $this instanceof UsesWordPressTerm ) {
627		return $this->get_underlying_wp_object()->term_id;
628		}
629
630		if ( $this instanceof UsesCustomTable ) {
631		return $this->get_attribute( $this->get_primary_key() );
632		}
633
634		// Model w/o wp_object not yet supported.
635		throw new LogicException;
636		}
637
638		/**
639		* Checks whether the attribute has a map method.
640		*
641		* This is used to determine whether the attribute maps to a
642		* property on the underlying WP_Post object. Returns the
643		* method if one exists, returns false if it doesn't.
644		*
645		* @param string $name
646		*
647		* @return false\|string
648		*/
649	96	protected function has_map_method( $name ) {
650	96	if ( method_exists( $this, $method = "map_{$name}" ) ) {
651	60	return $method;
652		}
653
654	96	return false;
655		}
656
657		/**
658		* Checks whether the attribute has a compute method.
659		*
660		* This is used to determine if the attribute should be computed
661		* from other attributes.
662		*
663		* @param string $name
664		*
665		* @return false\|string
666		*/
667	51	protected function has_compute_method( $name ) {
668	51	if ( method_exists( $this, $method = "compute_{$name}" ) ) {
669	21	return $method;
670		}
671
672	48	return false;
673		}
674
675		/**
676		* Clears all the current attributes from the model.
677		*
678		* This does not touch the model's original attributes, and will
679		* only clear fillable attributes, unless the model is unguarded.
680		*
681		* @return $this
682		*/
683	96	public function clear() {
684	96	$keys = array_merge(
685	96	$this->get_table_keys(),
686	96	$this->get_wp_object_keys()
687	64	);
688
689	96	foreach ( $keys as $key ) {
690		try {
691	96	$this->set_attribute( $key, null );
692	96	} catch ( $e ) {
		0 ignored issues – show Bug introduced 2018-12-29 15:44 UTC by Report Bug Copy Issue Report This code did not parse for me. Apparently, there is an error somewhere around this line: Syntax error, unexpected T_VARIABLE Loading history...
693		// We won't clear out guarded attributes.
694		if ( ! ( $e instanceof GuardedPropertyException ) ) {
695	64	throw $e;
696		}
697	96	}
698		}
699
700		return $this;
701		}
702
703		/**
704		* Unguards the model.
705		*
706	96	* Sets the model to be unguarded, allowing the filling of
707	96	* guarded attributes.
708	96	*/
709		public function unguard() {
710		$this->is_guarded = false;
711		}
712
713		/**
714		* Reguards the model.
715		*
716	96	* Sets the model to be guarded, preventing filling of
717	96	* guarded attributes.
718	96	*/
719		public function reguard() {
720		$this->is_guarded = true;
721		}
722
723		/**
724		* Retrieves all the compute methods on the model.
725	9	*
726	9	* @return array
727	3	*/
728	9	protected function get_compute_methods() {
729	9	$methods = get_class_methods( get_called_class() );
730	9	$methods = array_filter( $methods, function ( $method ) {
731	6	return strrpos( $method, 'compute_', - strlen( $method ) ) !== false;
732	9	} );
733		$methods = array_map( function ( $method ) {
734	9	return substr( $method, strlen( 'compute_' ) );
735		}, $methods );
736
737		return $methods;
738		}
739
740	96	/**
741	96	* Sets up the memo array for the creating model.
742	9	*/
743	6	private function maybe_boot() {
744	96	if ( ! isset( self::$memo[ get_called_class() ] ) ) {
745		self::$memo[ get_called_class() ] = array();
746		}
747		}
748
749		/**
750		* Whether this Model uses an underlying WordPress object.
751	96	*
752	96	* @return bool
753	96	*/
754		protected function uses_wp_object() {
755		return $this instanceof UsesWordPressPost \|\|
756		$this instanceof UsesWordPressTerm;
757		}
758		}
759

intraxia / jaxion

Pull Request — master (#21)

Model::get_attribute() B

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