Table::createEntitiesFromStatement() - Code Metrics - Inspection of "Controller" - zortje/mvc - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#2)

by René

created 2016-03-29 15:24 UTC

Table::createEntitiesFromStatement() A

↳ Parent: Table

Complexity

Conditions	2
Paths	2

Size

Total Lines	12
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	6

Importance

Changes	2
Bugs	0	Features	0

Metric	Value
c	2
b	0
f	0
dl	0
loc	12
ccs	0
cts	6
cp	0
rs	9.4285
cc	2
eloc	6
nc	2
nop	1
crap	6

<?php
declare(strict_types = 1);

namespace Zortje\MVC\Model\Table;

use Zortje\MVC\Model\SQLCommand;
use Zortje\MVC\Model\Table\Entity\Entity;
use Zortje\MVC\Model\Table\Entity\EntityFactory;
use Zortje\MVC\Model\Table\Entity\Exception\EntityClassNonexistentException;
use Zortje\MVC\Model\Table\Entity\Exception\EntityClassNotDefinedException;
use Zortje\MVC\Model\Table\Entity\Exception\InvalidEntityPropertyException;
use Zortje\MVC\Model\Table\Exception\TableNameNotDefinedException;

/**
 * Class Table
 *
 * @package Zortje\MVC\Model\Table
 */
abstract class Table
{

    /**
     * @var \PDO Connection
     */
    protected $pdo;

    /**
     * @var string Table name
     */
    protected $tableName;

    /**
     * @var String Entity class
     */
    protected $entityClass;

    /**
     * @var SQLCommand SQL Command
     */
    protected $sqlCommand;

    /**
     * @param \PDO $pdo
     *
     * @throws TableNameNotDefinedException If table name is not defined in subclass
     * @throws EntityClassNotDefinedException If entity class is not defined in subclass
     * @throws EntityClassNonexistentException If entity class is nonexistent
     */
    public function __construct(\PDO $pdo)
    {
        if ($this->tableName === null) {
            throw new TableNameNotDefinedException([get_class($this)]);
        }

        if ($this->entityClass === null) {
            throw new EntityClassNotDefinedException([get_class($this)]);
        } elseif (!class_exists($this->entityClass)) {
            throw new EntityClassNonexistentException([get_class($this), $this->entityClass]);
        }

        // @todo should check if `$this->entityClass` is subclass of Entity class

        $this->pdo = $pdo;

        $this->sqlCommand = $this->createCommand();
    }

    /**
     * Get table name
     *
     * @return string Table name
     */
    public function getTableName(): string
    {
        return $this->tableName;
    }

    /**
     * Find all entities
     *
     * @return Entity[] Entities
     */
    public function findAll(): array
    {
        $stmt = $this->pdo->prepare($this->sqlCommand->selectFrom());
        $stmt->execute();

        return $this->createEntitiesFromStatement($stmt);
    }

    /**
     * Find all entities where key is equal to the given value
     *
     * @param string $key   Entity key
     * @param mixed  $value Value to search for
     *
     * @throws InvalidEntityPropertyException If entity does not have that property
     *
     * @return Entity[] Entities
     */
    public function findBy(string $key, $value): array
    {
        /**
         * Check if entity have the property
         *
         * @var Entity $entity
         */
        $reflector = new \ReflectionClass($this->entityClass);

        $entity = $reflector->newInstanceWithoutConstructor();

        if (!isset($entity::getColumns()[$key])) {
            throw new InvalidEntityPropertyException([$this->entityClass, $key]);
        }

        /**
         * Validate value
         */
        $value = $entity->validatePropertyValueType($key, $value);

        /**
         * Execute with key-value condition
         */
        $stmt = $this->pdo->prepare($this->sqlCommand->selectFromWhere([$key]));
        $stmt->execute([":$key" => $value]);

        return $this->createEntitiesFromStatement($stmt);
    }

    /**
     * Insert entity into database
     *
     * @param Entity $entity Entity object
     *
     * @return Entity Inserted entity with ID set
     */
    public function insert(Entity $entity): Entity
    {
        $stmt = $this->pdo->prepare($this->sqlCommand->insertInto());

        $now = (new \DateTime())->format('Y-m-d H:i:s');

        $array = array_merge($entity->toArray(false), [
            'modified' => $now,
            'created'  => $now
        ]);

        $stmt->execute($array);

        $entity->set('id', (int) $this->pdo->lastInsertId());

        return $entity;
    }

    /**
     * Update entity in the database
     *
     * @param Entity $entity Entity object
     *
     * @return bool True if row was affected, otherwise false
     */
    public function update(Entity $entity): bool
    {
        if ($entity->isAltered()) {
            /**
             * Set modified to now
             */
            $entity->set('modified', new \DateTime());

            /**
             * Get altered columns for SQL command
             */
            $alteredColumns = array_keys($entity->getAlteredColumns());

            $stmt = $this->pdo->prepare($this->sqlCommand->updateSetWhere($alteredColumns));

            /**
             * Execute with altered array
             */
            $stmt->execute($entity->alteredToArray(true));

            // @todo return true if row is altered
        }

        return false;
    }

    public function delete(Entity $entity)

    {
        // @todo Implement
    }

    /**
     * Creates an array of Entity objects from statement
     *
     * @param \PDOStatement $statement
     *
     * @return Entity[] Entities from statement
     */
    protected function createEntitiesFromStatement(\PDOStatement $statement): array
    {
        $entities = [];

        $entityFactory = new EntityFactory($this->entityClass);

        foreach ($statement as $row) {
            $entities[] = $entityFactory->createFromArray($row);
        }

        return $entities;
    }

    /**
     * Create SQLCommand for this Table with provided Entity
     *
     * @return SQLCommand
     */
    protected function createCommand(): SQLCommand
    {
        $reflector = new \ReflectionClass($this->entityClass);

        $entity = $reflector->newInstanceWithoutConstructor();

        $columns = $entity::getColumns();

        return new SQLCommand($this->tableName, $columns);
    }
}


1		<?php
2		declare(strict_types = 1);
3
4		namespace Zortje\MVC\Model\Table;
5
6		use Zortje\MVC\Model\SQLCommand;
7		use Zortje\MVC\Model\Table\Entity\Entity;
8		use Zortje\MVC\Model\Table\Entity\EntityFactory;
9		use Zortje\MVC\Model\Table\Entity\Exception\EntityClassNonexistentException;
10		use Zortje\MVC\Model\Table\Entity\Exception\EntityClassNotDefinedException;
11		use Zortje\MVC\Model\Table\Entity\Exception\InvalidEntityPropertyException;
12		use Zortje\MVC\Model\Table\Exception\TableNameNotDefinedException;
13
14		/**
15		* Class Table
16		*
17		* @package Zortje\MVC\Model\Table
18		*/
19		abstract class Table
20		{
21
22		/**
23		* @var \PDO Connection
24		*/
25		protected $pdo;
26
27		/**
28		* @var string Table name
29		*/
30		protected $tableName;
31
32		/**
33		* @var String Entity class
34		*/
35		protected $entityClass;
36
37		/**
38		* @var SQLCommand SQL Command
39		*/
40		protected $sqlCommand;
41
42		/**
43		* @param \PDO $pdo
44		*
45		* @throws TableNameNotDefinedException If table name is not defined in subclass
46		* @throws EntityClassNotDefinedException If entity class is not defined in subclass
47		* @throws EntityClassNonexistentException If entity class is nonexistent
48		*/
49	1	public function __construct(\PDO $pdo)
50		{
51	1	if ($this->tableName === null) {
52		throw new TableNameNotDefinedException([get_class($this)]);
53		}
54
55	1	if ($this->entityClass === null) {
56		throw new EntityClassNotDefinedException([get_class($this)]);
57	1	} elseif (!class_exists($this->entityClass)) {
58		throw new EntityClassNonexistentException([get_class($this), $this->entityClass]);
59		}
60
61		// @todo should check if `$this->entityClass` is subclass of Entity class
62
63	1	$this->pdo = $pdo;
64
65	1	$this->sqlCommand = $this->createCommand();
66	1	}
67
68		/**
69		* Get table name
70		*
71		* @return string Table name
72		*/
73	1	public function getTableName(): string
74		{
75	1	return $this->tableName;
76		}
77
78		/**
79		* Find all entities
80		*
81		* @return Entity[] Entities
82		*/
83	1	public function findAll(): array
84		{
85	1	$stmt = $this->pdo->prepare($this->sqlCommand->selectFrom());
86	1	$stmt->execute();
87
88	1	return $this->createEntitiesFromStatement($stmt);
89		}
90
91		/**
92		* Find all entities where key is equal to the given value
93		*
94		* @param string $key Entity key
95		* @param mixed $value Value to search for
96		*
97		* @throws InvalidEntityPropertyException If entity does not have that property
98		*
99		* @return Entity[] Entities
100		*/
101	4	public function findBy(string $key, $value): array
102		{
103		/**
104		* Check if entity have the property
105		*
106		* @var Entity $entity
107		*/
108	4	$reflector = new \ReflectionClass($this->entityClass);
109
110	4	$entity = $reflector->newInstanceWithoutConstructor();
111
112	4	if (!isset($entity::getColumns()[$key])) {
113	1	throw new InvalidEntityPropertyException([$this->entityClass, $key]);
114		}
115
116		/**
117		* Validate value
118		*/
119	3	$value = $entity->validatePropertyValueType($key, $value);
120
121		/**
122		* Execute with key-value condition
123		*/
124	2	$stmt = $this->pdo->prepare($this->sqlCommand->selectFromWhere([$key]));
125	2	$stmt->execute([":$key" => $value]);
126
127	2	return $this->createEntitiesFromStatement($stmt);
128		}
129
130		/**
131		* Insert entity into database
132		*
133		* @param Entity $entity Entity object
134		*
135		* @return Entity Inserted entity with ID set
136		*/
137	1	public function insert(Entity $entity): Entity
138		{
139	1	$stmt = $this->pdo->prepare($this->sqlCommand->insertInto());
140
141	1	$now = (new \DateTime())->format('Y-m-d H:i:s');
142
143	1	$array = array_merge($entity->toArray(false), [
144	1	'modified' => $now,
145	1	'created' => $now
146		]);
147
148	1	$stmt->execute($array);
149
150	1	$entity->set('id', (int) $this->pdo->lastInsertId());
151
152	1	return $entity;
153		}
154
155		/**
156		* Update entity in the database
157		*
158		* @param Entity $entity Entity object
159		*
160		* @return bool True if row was affected, otherwise false
161		*/
162	1	public function update(Entity $entity): bool
163		{
164	1	if ($entity->isAltered()) {
165		/**
166		* Set modified to now
167		*/
168	1	$entity->set('modified', new \DateTime());
169
170		/**
171		* Get altered columns for SQL command
172		*/
173	1	$alteredColumns = array_keys($entity->getAlteredColumns());
174
175	1	$stmt = $this->pdo->prepare($this->sqlCommand->updateSetWhere($alteredColumns));
176
177		/**
178		* Execute with altered array
179		*/
180	1	$stmt->execute($entity->alteredToArray(true));
181
182		// @todo return true if row is altered
183		}
184
185	1	return false;
186		}
187
188		public function delete(Entity $entity)
		0 ignored issues – show Unused Code introduced 2015-11-22 00:06 UTC by Report Bug Copy Issue Report The parameter `$entity` is not used and could be removed. This check looks from parameters that have been defined for a function or method, but which are not used in the method body. Loading history...
189		{
190		// @todo Implement
191		}
192
193		/**
194		* Creates an array of Entity objects from statement
195		*
196		* @param \PDOStatement $statement
197		*
198		* @return Entity[] Entities from statement
199		*/
200		protected function createEntitiesFromStatement(\PDOStatement $statement): array
201		{
202		$entities = [];
203
204		$entityFactory = new EntityFactory($this->entityClass);
205
206		foreach ($statement as $row) {
207		$entities[] = $entityFactory->createFromArray($row);
208		}
209
210		return $entities;
211		}
212
213		/**
214		* Create SQLCommand for this Table with provided Entity
215		*
216		* @return SQLCommand
217		*/
218		protected function createCommand(): SQLCommand
219		{
220		$reflector = new \ReflectionClass($this->entityClass);
221
222		$entity = $reflector->newInstanceWithoutConstructor();
223
224		$columns = $entity::getColumns();
225
226		return new SQLCommand($this->tableName, $columns);
227		}
228		}
229

zortje / mvc

Pull Request — master (#2)

Table::createEntitiesFromStatement() A

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