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Commit ec42844

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sprainfabpot
sprain
authored and
fabpot
committed
Improved ISBN validator
1 parent 711788b commit ec42844
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‎src/Symfony/Component/Validator/Constraints/Isbn.php‎

Copy file name to clipboardExpand all lines: src/Symfony/Component/Validator/Constraints/Isbn.php
+19-15Lines changed: 19 additions & 15 deletions
Original file line numberDiff line numberDiff line change
@@ -12,34 +12,38 @@
1212
namespace Symfony\Component\Validator\Constraints;
1313

1414
use Symfony\Component\Validator\Constraint;
15-
use Symfony\Component\Validator\Exception\MissingOptionsException;
1615

1716
/**
1817
* @Annotation
1918
*
2019
* @author The Whole Life To Learn <thewholelifetolearn@gmail.com>
20+
* @author Manuel Reinhard <manu@sprain.ch>
2121
*/
2222
class Isbn extends Constraint
2323
{
2424
public $isbn10Message = 'This value is not a valid ISBN-10.';
2525
public $isbn13Message = 'This value is not a valid ISBN-13.';
2626
public $bothIsbnMessage = 'This value is neither a valid ISBN-10 nor a valid ISBN-13.';
27-
public $isbn10;
28-
public $isbn13;
27+
public $type;
28+
public $message;
2929

30-
public function __construct($options = null)
31-
{
32-
if (null !== $options && !is_array($options)) {
33-
$options = array(
34-
'isbn10' => $options,
35-
'isbn13' => $options,
36-
);
37-
}
30+
/**
31+
* @deprecated Deprecated since version 2.5, to be removed in 3.0. Use option "type" instead.
32+
* @var Boolean
33+
*/
34+
public $isbn10 = false;
3835

39-
parent::__construct($options);
36+
/**
37+
* @deprecated Deprecated since version 2.5, to be removed in 3.0. Use option "type" instead.
38+
* @var Boolean
39+
*/
40+
public $isbn13 = false;
4041

41-
if (null === $this->isbn10 && null === $this->isbn13) {
42-
throw new MissingOptionsException(sprintf('Either option "isbn10" or "isbn13" must be given for constraint "%s".', __CLASS__), array('isbn10', 'isbn13'));
43-
}
42+
/**
43+
* {@inheritDoc}
44+
*/
45+
public function getDefaultOption()
46+
{
47+
return 'type';
4448
}
4549
}
Collapse file

‎src/Symfony/Component/Validator/Constraints/IsbnValidator.php‎

Copy file name to clipboardExpand all lines: src/Symfony/Component/Validator/Constraints/IsbnValidator.php
+68-23Lines changed: 68 additions & 23 deletions
Original file line numberDiff line numberDiff line change
@@ -16,10 +16,10 @@
1616
use Symfony\Component\Validator\Exception\UnexpectedTypeException;
1717

1818
/**
19-
* Validates whether the value is a valid ISBN-10 or ISBN-13.
19+
* Validates whether the value is a valid ISBN-10 or ISBN-13
2020
*
2121
* @author The Whole Life To Learn <thewholelifetolearn@gmail.com>
22-
*
22+
* @author Manuel Reinhard <manu@sprain.ch>
2323
* @see https://en.wikipedia.org/wiki/Isbn
2424
*/
2525
class IsbnValidator extends ConstraintValidator
@@ -45,11 +45,43 @@ public function validate($value, Constraint $constraint)
4545
$value = str_replace('-', '', $value);
4646
}
4747

48-
$validation = 0;
49-
$value = strtoupper($value);
48+
if (null == $constraint->type) {
49+
if ($constraint->isbn10 && !$constraint->isbn13) {
50+
$constraint->type = 'isbn10';
51+
$value = strtoupper($value);
52+
} elseif ($constraint->isbn13 && !$constraint->isbn10) {
53+
$constraint->type = 'isbn13';
54+
$value = strtoupper($value);
55+
}
56+
}
57+
58+
if ('isbn10' === $constraint->type) {
59+
if (!$this->validateIsbn10($value)) {
60+
$this->context->addViolation($this->getMessage($constraint, 'isbn10'));
61+
62+
return;
63+
}
64+
} elseif ('isbn13' === $constraint->type) {
65+
if (!$this->validateIsbn13($value)) {
66+
$this->context->addViolation($this->getMessage($constraint, 'isbn13'));
67+
68+
return;
69+
}
70+
} else {
71+
if (!$this->validateIsbn10($value) && !$this->validateIsbn13($value)) {
72+
$this->context->addViolation($this->getMessage($constraint));
73+
74+
return;
75+
}
76+
}
77+
}
78+
79+
protected function validateIsbn10($value)
80+
{
81+
$validation = 0;
5082
$valueLength = strlen($value);
5183

52-
if (10 === $valueLength && null !== $constraint->isbn10) {
84+
if (10 === $valueLength) {
5385
for ($i = 0; $i < 10; $i++) {
5486
if ($value[$i] == 'X') {
5587
$validation += 10 * intval(10 - $i);
@@ -59,13 +91,21 @@ public function validate($value, Constraint $constraint)
5991
}
6092

6193
if ($validation % 11 != 0) {
62-
if (null !== $constraint->isbn13) {
63-
$this->context->addViolation($constraint->bothIsbnMessage);
64-
} else {
65-
$this->context->addViolation($constraint->isbn10Message);
66-
}
94+
return false;
95+
} else {
96+
return true;
6797
}
68-
} elseif (13 === $valueLength && null !== $constraint->isbn13) {
98+
}
99+
100+
return false;
101+
}
102+
103+
protected function validateIsbn13($value)
104+
{
105+
$validation = 0;
106+
$valueLength = strlen($value);
107+
108+
if (13 === $valueLength) {
69109
for ($i = 0; $i < 13; $i += 2) {
70110
$validation += intval($value[$i]);
71111
}
@@ -74,20 +114,25 @@ public function validate($value, Constraint $constraint)
74114
}
75115

76116
if ($validation % 10 != 0) {
77-
if (null !== $constraint->isbn10) {
78-
$this->context->addViolation($constraint->bothIsbnMessage);
79-
} else {
80-
$this->context->addViolation($constraint->isbn13Message);
81-
}
82-
}
83-
} else {
84-
if (null !== $constraint->isbn10 && null !== $constraint->isbn13) {
85-
$this->context->addViolation($constraint->bothIsbnMessage);
86-
} elseif (null !== $constraint->isbn10) {
87-
$this->context->addViolation($constraint->isbn10Message);
117+
return false;
88118
} else {
89-
$this->context->addViolation($constraint->isbn13Message);
119+
return true;
90120
}
91121
}
122+
123+
return false;
124+
}
125+
126+
protected function getMessage($constraint, $type=null)
127+
{
128+
if (null !== $constraint->message) {
129+
return $constraint->message;
130+
} elseif ($type == 'isbn10') {
131+
return $constraint->isbn10Message;
132+
} elseif ($type == 'isbn13') {
133+
return $constraint->isbn13Message;
134+
} else {
135+
return $constraint->bothIsbnMessage;
136+
}
92137
}
93138
}
Collapse file

‎src/Symfony/Component/Validator/Tests/Constraints/IsbnValidatorTest.php‎

Copy file name to clipboardExpand all lines: src/Symfony/Component/Validator/Tests/Constraints/IsbnValidatorTest.php
+8-6Lines changed: 8 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -44,6 +44,7 @@ public function getValidIsbn10()
4444
array('0321812700'),
4545
array('0-45122-5244'),
4646
array('0-4712-92311'),
47+
array('0-9752298-0-X')
4748
);
4849
}
4950

@@ -58,6 +59,7 @@ public function getInvalidIsbn10()
5859
array('0-4X19-92611'),
5960
array('0_45122_5244'),
6061
array('2870#971#648'),
62+
array('0-9752298-0-x')
6163
);
6264
}
6365

@@ -145,7 +147,7 @@ public function testExpectsStringCompatibleType()
145147
*/
146148
public function testValidIsbn10($isbn)
147149
{
148-
$constraint = new Isbn(array('isbn10' => true));
150+
$constraint = new Isbn(array('type' => 'isbn10'));
149151
$this->context
150152
->expects($this->never())
151153
->method('addViolation');
@@ -158,7 +160,7 @@ public function testValidIsbn10($isbn)
158160
*/
159161
public function testInvalidIsbn10($isbn)
160162
{
161-
$constraint = new Isbn(array('isbn10' => true));
163+
$constraint = new Isbn(array('type' => 'isbn10'));
162164
$this->context
163165
->expects($this->once())
164166
->method('addViolation')
@@ -172,7 +174,7 @@ public function testInvalidIsbn10($isbn)
172174
*/
173175
public function testValidIsbn13($isbn)
174176
{
175-
$constraint = new Isbn(array('isbn13' => true));
177+
$constraint = new Isbn(array('type' => 'isbn13'));
176178
$this->context
177179
->expects($this->never())
178180
->method('addViolation');
@@ -185,7 +187,7 @@ public function testValidIsbn13($isbn)
185187
*/
186188
public function testInvalidIsbn13($isbn)
187189
{
188-
$constraint = new Isbn(array('isbn13' => true));
190+
$constraint = new Isbn(array('type' => 'isbn13'));
189191
$this->context
190192
->expects($this->once())
191193
->method('addViolation')
@@ -199,7 +201,7 @@ public function testInvalidIsbn13($isbn)
199201
*/
200202
public function testValidIsbn($isbn)
201203
{
202-
$constraint = new Isbn(array('isbn10' => true, 'isbn13' => true));
204+
$constraint = new Isbn();
203205
$this->context
204206
->expects($this->never())
205207
->method('addViolation');
@@ -212,7 +214,7 @@ public function testValidIsbn($isbn)
212214
*/
213215
public function testInvalidIsbn($isbn)
214216
{
215-
$constraint = new Isbn(array('isbn10' => true, 'isbn13' => true));
217+
$constraint = new Isbn();
216218
$this->context
217219
->expects($this->once())
218220
->method('addViolation')

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