AbstractDaftObjectEasyDBRepository::__construct() - Code Metrics - Inspection of "adjusting indentation" - SignpostMarv/daft-db-object - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( ff0bfb...db2a29 )

by SignpostMarv

created 2017-10-12 21:46 UTC

AbstractDaftObjectEasyDBRepository::__construct() A

↳ Parent: AbstractDaftObjectEasyDBRepository

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	3
CRAP Score	1

Importance

Changes

Metric	Value
cc	1
eloc	2
nc	1
nop	2
dl	0
loc	4
ccs	3
cts	3
cp	1
crap	1
rs	10
c	0
b	0
f	0

<?php
/**
* Base daft objects.
*
* @author SignpostMarv
*/
declare(strict_types=1);

namespace SignpostMarv\DaftObject;

use ParagonIE\EasyDB\EasyDB;
use Throwable;

abstract class AbstractDaftObjectEasyDBRepository extends DaftObjectMemoryRepository
{
    /**
    * @var EasyDB
    */
    protected $db;

    protected function __construct(string $type, EasyDB $db)
    {
        parent::__construct($type);
        $this->db = $db;
    }

    public static function DaftObjectRepositoryByType(
        string $type,
        ? EasyDB $db = null
    ) : DaftObjectRepository {
        if (
            false === is_a(
                $type,
                DaftObjectCreatedByArray::class,
                true
            )
        ) {
            throw new DaftObjectRepositoryTypeByClassMethodAndTypeException(
                1,
                static::class,
                __FUNCTION__,
                DaftObjectCreatedByArray::class,
                $type
            );
        } elseif (
            false === is_a(
                $type,
                DefinesOwnIdPropertiesInterface::class,
                true
            )
        ) {
            throw new DaftObjectRepositoryTypeByClassMethodAndTypeException(
                1,
                static::class,
                __FUNCTION__,
                DefinesOwnIdPropertiesInterface::class,
                $type
            );
        } elseif (false === ($db instanceof EasyDB)) {
            throw new DatabaseConnectionNotSpecifiedException(
                2,
                static::class,
                __FUNCTION__,
                EasyDB::class,
                'null'
            );
        }

        /**
        * @var EasyDB $db
        */
        $db = $db;

        return new static($type, $db);
    }

    public static function DaftObjectRepositoryByDaftObject(
        DefinesOwnIdPropertiesInterface $object,
        ? EasyDB $db = null
    ) : DaftObjectRepository {
        return static::DaftObjectRepositoryByType(get_class($object), $db);
    }

    /**
    * @param mixed $id
    */
    public function RemoveDaftObjectById($id) : void
    {
        $id = array_values(is_array($id) ? $id : [$id]);

        /**
        * @var DefinesOwnIdPropertiesInterface $type
        */
        $type = $this->type;
        $idkv = [];

        foreach (
            array_values($type::DaftObjectIdProperties()) as $i => $prop
        ) {
            $idkv[$prop] = $id[$i];
        }

        $where = [];
        foreach (array_keys($idkv) as $col) {
            $where[] = $this->db->escapeIdentifier($col) . ' = ?';
        }

        $query = (
            'DELETE FROM ' .
            $this->db->escapeIdentifier(
                $this->DaftObjectDatabaseTable()
            ) .
            ' WHERE ' .
            implode(' AND ', $where)
        );

        $this->db->safeQuery($query, array_values($idkv));

        $this->ForgetDaftObjectById($id);
    }

    abstract protected function DaftObjectDatabaseTable() : string;

    /**
    * @return string[]
    */
    protected function RememberDaftObjectDataCols(
        DaftObject $object,
        bool $exists
    ) : array {
        $cols = $object::DaftObjectExportableProperties();
        if ($exists) {
            $changed = $object->ChangedProperties();
            $cols = array_filter(
                $cols,
                function (string $prop) use ($changed) : bool {
                    return in_array($prop, $changed, true);
                }
            );
        }

        return $cols;
    }

    protected function RememberDaftObjectData(
        DefinesOwnIdPropertiesInterface $object
    ) : void {
        $id = [];

        foreach ($object::DaftObjectIdProperties() as $prop) {
            $id[$prop] = $object->$prop;
        }

        $autoStartTransaction = (false === $this->db->inTransaction());

        if (true === $autoStartTransaction) {
            $this->db->beginTransaction();
        }

        try {
            $exists = $this->DaftObjectExistsInDatabase($id);
            $cols = $this->RememberDaftObjectDataCols($object, $exists);
            if (count($cols) > 0) {
                $values = [];

                foreach ($cols as $col) {
                    $values[$col] = $object->$col;
                }

                if (false === $exists) {
                    $this->db->insert(
                        $this->DaftObjectDatabaseTable(),
                        $values
                    );
                } else {
                    $this->db->update(
                        $this->DaftObjectDatabaseTable(),
                        $values,
                        $id
                    );
                }
            }

            if (true === $autoStartTransaction) {
                $this->db->commit();
            }
        } catch (Throwable $e) {
            if (true === $autoStartTransaction) {
                $this->db->rollBack();
            }

            throw $e;
        }
    }

    /**
    * @param mixed $id
    */
    protected function RecallDaftObjectFromData($id) : ? DaftObject
    {
        /**
        * @var DefinesOwnIdPropertiesInterface $type
        */
        $type = $this->type;
        $idkv = [];

        foreach (
            array_values($type::DaftObjectIdProperties()) as $i => $prop
        ) {
            $idkv[$prop] = $id[$i];
        }

        if (true === $this->DaftObjectExistsInDatabase($idkv)) {
            $where = [];
            foreach (array_keys($idkv) as $col) {
                $where[] = $this->db->escapeIdentifier($col) . ' = ?';
            }

            $data = $this->db->safeQuery(
                (
                    'SELECT * FROM ' .
                    $this->db->escapeIdentifier(
                        $this->DaftObjectDatabaseTable()
                    ) .
                    ' WHERE ' .
                    implode(' AND ', $where) .
                    ' LIMIT 1'
                ),
                array_values($idkv)
            );

            /**
            * @var \SignpostMarv\DaftObject\DaftObjectCreatedByArray $type
            */
            $type = $type;

            /**
            * @var DefinesOwnIdPropertiesInterface $out
            */
            $out = new $type($data[0]);

            return $out;
        }

        return null;
    }

    private function DaftObjectExistsInDatabase(array $id) : bool
    {
        $where = [];
        foreach (array_keys($id) as $col) {
            $where[] = $this->db->escapeIdentifier($col) . ' = ?';
        }

        return
            (int) $this->db->single(
                (
                    'SELECT COUNT(*) FROM ' .
                    $this->db->escapeIdentifier(
                        $this->DaftObjectDatabaseTable()
                    ) .
                    ' WHERE ' .
                    implode(' AND ', $where)
                ),
                array_values($id)
            ) >= 1;
    }
}


1		<?php
2		/**
3		* Base daft objects.
4		*
5		* @author SignpostMarv
6		*/
7		declare(strict_types=1);
8
9		namespace SignpostMarv\DaftObject;
10
11		use ParagonIE\EasyDB\EasyDB;
12		use Throwable;
13
14		abstract class AbstractDaftObjectEasyDBRepository extends DaftObjectMemoryRepository
15		{
16		/**
17		* @var EasyDB
18		*/
19		protected $db;
20
21	5	protected function __construct(string $type, EasyDB $db)
22		{
23	5	parent::__construct($type);
24	5	$this->db = $db;
25	5	}
26
27	9	public static function DaftObjectRepositoryByType(
28		string $type,
29		? EasyDB $db = null
30		) : DaftObjectRepository {
31		if (
32	9	false === is_a(
33	9	$type,
34	9	DaftObjectCreatedByArray::class,
35	9	true
36		)
37		) {
38	2	throw new DaftObjectRepositoryTypeByClassMethodAndTypeException(
39	2	1,
40	2	static::class,
41	2	__FUNCTION__,
42	2	DaftObjectCreatedByArray::class,
43	2	$type
44		);
45		} elseif (
46	7	false === is_a(
47	7	$type,
48	7	DefinesOwnIdPropertiesInterface::class,
49	7	true
50		)
51		) {
52	1	throw new DaftObjectRepositoryTypeByClassMethodAndTypeException(
53	1	1,
54	1	static::class,
55	1	__FUNCTION__,
56	1	DefinesOwnIdPropertiesInterface::class,
57	1	$type
58		);
59	6	} elseif (false === ($db instanceof EasyDB)) {
60	1	throw new DatabaseConnectionNotSpecifiedException(
61	1	2,
62	1	static::class,
63	1	__FUNCTION__,
64	1	EasyDB::class,
65	1	'null'
66		);
67		}
68
69		/**
70		* @var EasyDB $db
71		*/
72	5	$db = $db;
73
74	5	return new static($type, $db);
75		}
76
77	5	public static function DaftObjectRepositoryByDaftObject(
78		DefinesOwnIdPropertiesInterface $object,
79		? EasyDB $db = null
80		) : DaftObjectRepository {
81	5	return static::DaftObjectRepositoryByType(get_class($object), $db);
82		}
83
84		/**
85		* @param mixed $id
86		*/
87	2	public function RemoveDaftObjectById($id) : void
88		{
89	2	$id = array_values(is_array($id) ? $id : [$id]);
90
91		/**
92		* @var DefinesOwnIdPropertiesInterface $type
93		*/
94	2	$type = $this->type;
95	2	$idkv = [];
96
97		foreach (
98	2	array_values($type::DaftObjectIdProperties()) as $i => $prop
99		) {
100	2	$idkv[$prop] = $id[$i];
101		}
102
103	2	$where = [];
104	2	foreach (array_keys($idkv) as $col) {
105	2	$where[] = $this->db->escapeIdentifier($col) . ' = ?';
106		}
107
108		$query = (
109		'DELETE FROM ' .
110	2	$this->db->escapeIdentifier(
111	2	$this->DaftObjectDatabaseTable()
112		) .
113	2	' WHERE ' .
114	2	implode(' AND ', $where)
115		);
116
117	2	$this->db->safeQuery($query, array_values($idkv));
118
119	2	$this->ForgetDaftObjectById($id);
120	2	}
121
122		abstract protected function DaftObjectDatabaseTable() : string;
123
124		/**
125		* @return string[]
126		*/
127	2	protected function RememberDaftObjectDataCols(
128		DaftObject $object,
129		bool $exists
130		) : array {
131	2	$cols = $object::DaftObjectExportableProperties();
132	2	if ($exists) {
133	2	$changed = $object->ChangedProperties();
134	2	$cols = array_filter(
135	2	$cols,
136	2	function (string $prop) use ($changed) : bool {
137	2	return in_array($prop, $changed, true);
138	2	}
139		);
140		}
141
142	2	return $cols;
143		}
144
145	2	protected function RememberDaftObjectData(
146		DefinesOwnIdPropertiesInterface $object
147		) : void {
148	2	$id = [];
149
150	2	foreach ($object::DaftObjectIdProperties() as $prop) {
151	2	$id[$prop] = $object->$prop;
152		}
153
154	2	$autoStartTransaction = (false === $this->db->inTransaction());
155
156	2	if (true === $autoStartTransaction) {
157	2	$this->db->beginTransaction();
158		}
159
160		try {
161	2	$exists = $this->DaftObjectExistsInDatabase($id);
162	2	$cols = $this->RememberDaftObjectDataCols($object, $exists);
163	2	if (count($cols) > 0) {
164	2	$values = [];
165
166	2	foreach ($cols as $col) {
167	2	$values[$col] = $object->$col;
168		}
169
170	2	if (false === $exists) {
171	2	$this->db->insert(
172	2	$this->DaftObjectDatabaseTable(),
173	2	$values
174		);
175		} else {
176	2	$this->db->update(
177	2	$this->DaftObjectDatabaseTable(),
178	2	$values,
179	2	$id
180		);
181		}
182		}
183
184	2	if (true === $autoStartTransaction) {
185	2	$this->db->commit();
186		}
187		} catch (Throwable $e) {
188		if (true === $autoStartTransaction) {
189		$this->db->rollBack();
190		}
191
192		throw $e;
193		}
194	2	}
195
196		/**
197		* @param mixed $id
198		*/
199	2	protected function RecallDaftObjectFromData($id) : ? DaftObject
200		{
201		/**
202		* @var DefinesOwnIdPropertiesInterface $type
203		*/
204	2	$type = $this->type;
205	2	$idkv = [];
206
207		foreach (
208	2	array_values($type::DaftObjectIdProperties()) as $i => $prop
209		) {
210	2	$idkv[$prop] = $id[$i];
211		}
212
213	2	if (true === $this->DaftObjectExistsInDatabase($idkv)) {
214	2	$where = [];
215	2	foreach (array_keys($idkv) as $col) {
216	2	$where[] = $this->db->escapeIdentifier($col) . ' = ?';
217		}
218
219	2	$data = $this->db->safeQuery(
220		(
221		'SELECT * FROM ' .
222	2	$this->db->escapeIdentifier(
223	2	$this->DaftObjectDatabaseTable()
224		) .
225	2	' WHERE ' .
226	2	implode(' AND ', $where) .
227	2	' LIMIT 1'
228		),
229	2	array_values($idkv)
230		);
231
232		/**
233		* @var \SignpostMarv\DaftObject\DaftObjectCreatedByArray $type
234		*/
235	2	$type = $type;
236
237		/**
238		* @var DefinesOwnIdPropertiesInterface $out
239		*/
240	2	$out = new $type($data[0]);
241
242	2	return $out;
243		}
244
245	2	return null;
246		}
247
248	2	private function DaftObjectExistsInDatabase(array $id) : bool
249		{
250	2	$where = [];
251	2	foreach (array_keys($id) as $col) {
252	2	$where[] = $this->db->escapeIdentifier($col) . ' = ?';
253		}
254
255		return
256	2	(int) $this->db->single(
257		(
258		'SELECT COUNT(*) FROM ' .
259	2	$this->db->escapeIdentifier(
260	2	$this->DaftObjectDatabaseTable()
261		) .
262	2	' WHERE ' .
263	2	implode(' AND ', $where)
264		),
265	2	array_values($id)
266	2	) >= 1;
267		}
268		}
269

SignpostMarv / daft-db-object

Push — master ( ff0bfb...db2a29 )

AbstractDaftObjectEasyDBRepository::__construct() A

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