Passed
Pull Request — master (#542)
by Alexander
04:58 queued 02:22
created

AbstractCompare::__construct()   A

Complexity

Conditions 3
Paths 3

Size

Total Lines 25
Code Lines 9

Duplication

Lines 0
Ratio 0 %

Importance

Changes 3
Bugs 2 Features 1
Metric Value
cc 3
eloc 9
c 3
b 2
f 1
nc 3
nop 10
dl 0
loc 25
rs 9.9666

How to fix   Many Parameters   

Many Parameters

Methods with many parameters are not only hard to understand, but their parameters also often become inconsistent when you need more, or different data.

There are several approaches to avoid long parameter lists:

1
<?php
2
3
declare(strict_types=1);
4
5
namespace Yiisoft\Validator\Rule;
6
7
use Closure;
8
use InvalidArgumentException;
9
use Yiisoft\Validator\Rule\Trait\SkipOnEmptyTrait;
10
use Yiisoft\Validator\Rule\Trait\SkipOnErrorTrait;
11
use Yiisoft\Validator\Rule\Trait\WhenTrait;
12
use Yiisoft\Validator\RuleWithOptionsInterface;
13
use Yiisoft\Validator\SkipOnEmptyInterface;
14
use Yiisoft\Validator\SkipOnErrorInterface;
15
use Yiisoft\Validator\WhenInterface;
16
17
use function in_array;
18
19
/**
20
 * Abstract base for all the comparison validation rules.
21
 *
22
 * The value being compared with {@see AbstractCompare::$targetValue} or {@see AbstractCompare::$targetAttribute}, which
23
 * is set in the constructor.
24
 *
25
 * It supports different comparison operators, specified
26
 * via the {@see AbstractCompare::$operator}.
27
 *
28
 * The default comparison is based on string values, which means the values
29
 * are compared byte by byte. When comparing numbers, make sure to change {@see AbstractCompare::$type} to
30
 * {@see CompareType::NUMBER} to enable numeric comparison.
31
 *
32
 * @see CompareHandler
33
 *
34
 * @psalm-import-type WhenType from WhenInterface
35
 */
36
abstract class AbstractCompare implements
37
    RuleWithOptionsInterface,
38
    SkipOnEmptyInterface,
39
    SkipOnErrorInterface,
40
    WhenInterface
41
{
42
    use SkipOnEmptyTrait;
43
    use SkipOnErrorTrait;
44
    use WhenTrait;
45
46
    /**
47
     * A default for {@see $incorrectInputMessage}.
48
     */
49
    protected const DEFAULT_INCORRECT_INPUT_MESSAGE = 'The allowed types are integer, float, string, boolean and null.';
50
    /**
51
     * A default for {@see $incorrectDataSetTypeMessage}.
52
     */
53
    protected const DEFAULT_INCORRECT_DATA_SET_TYPE_MESSAGE = 'The attribute value returned from a custom data set ' .
54
    'must have a scalar type.';
55
    /**
56
     * List of valid types.
57
     *
58
     * @see CompareType
59
     */
60
    private const VALID_TYPES = [CompareType::STRING, CompareType::NUMBER];
61
    /**
62
     * Map of valid operators. It's used instead of a list for better performance.
63
     */
64
    private const VALID_OPERATORS_MAP = [
65
        '==' => 1,
66
        '===' => 1,
67
        '!=' => 1,
68
        '!==' => 1,
69
        '>' => 1,
70
        '>=' => 1,
71
        '<' => 1,
72
        '<=' => 1,
73
    ];
74
75
    /**
76
     * @param scalar|null $targetValue The constant value to be compared with. When both this property and
77
     * {@see $targetAttribute} are set, this property takes precedence.
78
     * @param string|null $targetAttribute The name of the attribute to be compared with. When both this property and
79
     * {@see $targetValue} are set, the {@see $targetValue} takes precedence.
80
     * @param string $incorrectInputMessage A message used when the input is incorrect.
81
     *
82
     * You may use the following placeholders in the message:
83
     *
84
     * - `{attribute}`: the translated label of the attribute being validated.
85
     * - `{type}`: the type of the value being validated.
86
     * @param string $incorrectDataSetTypeMessage A message used when the value returned from a custom
87
     * data set is not scalar.
88
     *
89
     * You may use the following placeholders in the message:
90
     *
91
     * - `{type}`: type of the value.
92
     * @param string|null $message A message used when the value is not valid.
93
     *
94
     * You may use the following placeholders in the message:
95
     *
96
     * - `{attribute}`: the translated label of the attribute being validated.
97
     * - `{targetValue}`: the constant value to be compared with.
98
     * - `{targetAttribute}`: the name of the attribute to be compared with.
99
     * - `{targetValueOrAttribute}`: the constant value to be compared with or, if it's absent, the name of
100
     *   the attribute to be compared with.
101
     * - `{value}`: the value of the attribute being validated.
102
     * @param string $type The type of the values being compared. Either {@see CompareType::STRING}
103
     * or {@see CompareType::NUMBER}.
104
     * @psalm-param CompareType::STRING | CompareType::NUMBER $type
105
     *
106
     * @param string $operator The operator for comparison. The following operators are supported:
107
     *
108
     * - `==`: check if two values are equal. The comparison is done in non-strict mode.
109
     * - `===`: check if two values are equal. The comparison is done in strict mode.
110
     * - `!=`: check if two values are NOT equal. The comparison is done in non-strict mode.
111
     * - `!==`: check if two values are NOT equal. The comparison is done in strict mode.
112
     * - `>`: check if value being validated is greater than the value being compared with.
113
     * - `>=`: check if value being validated is greater than or equal to the value being compared with.
114
     * - `<`: check if value being validated is less than the value being compared with.
115
     * - `<=`: check if value being validated is less than or equal to the value being compared with.
116
     *
117
     * When you want to compare numbers, make sure to also change {@see $type} to {@see TYPE_NUMBER}.
118
     * @param bool|callable|null $skipOnEmpty Whether to skip this rule if the value validated is empty.
119
     * See {@see SkipOnEmptyInterface}.
120
     * @param bool $skipOnError Whether to skip this rule if any of the previous rules gave an error.
121
     * See {@see SkipOnErrorInterface}.
122
     * @param Closure|null $when A callable to define a condition for applying the rule.
123
     * See {@see WhenInterface}.
124
     * @psalm-param WhenType $when
125
     */
126
    public function __construct(
127
        private int|float|string|bool|null $targetValue = null,
128
        private string|null $targetAttribute = null,
129
        private string $incorrectInputMessage = self::DEFAULT_INCORRECT_INPUT_MESSAGE,
130
        private string $incorrectDataSetTypeMessage = self::DEFAULT_INCORRECT_DATA_SET_TYPE_MESSAGE,
131
        private string|null $message = null,
132
        private string $type = CompareType::STRING,
133
        private string $operator = '==',
134
        private mixed $skipOnEmpty = null,
135
        private bool $skipOnError = false,
136
        private Closure|null $when = null,
137
    ) {
138
        if (!in_array($this->type, self::VALID_TYPES)) {
139
            $validTypesString = $this->getQuotedList(self::VALID_TYPES);
140
            $message = "Type \"$this->type\" is not supported. The valid types are: $validTypesString.";
141
142
            throw new InvalidArgumentException($message);
143
        }
144
145
        if (!isset(self::VALID_OPERATORS_MAP[$this->operator])) {
146
            $validOperators = array_keys(self::VALID_OPERATORS_MAP);
147
            $validOperatorsString = $this->getQuotedList($validOperators);
148
            $message = "Operator \"$operator\" is not supported. The valid operators are: $validOperatorsString.";
149
150
            throw new InvalidArgumentException($message);
151
        }
152
    }
153
154
    /**
155
     * Get the constant value to be compared with.
156
     *
157
     * @return scalar|null Value to be compared with or `null` if it was not configured.
158
     *
159
     * @see $targetValue
160
     */
161
    public function getTargetValue(): int|float|string|bool|null
162
    {
163
        return $this->targetValue;
164
    }
165
166
    /**
167
     * Get the name of the attribute to be compared with.
168
     *
169
     * @return string|null Name of the attribute to be compared with or `null` if it was not configured.
170
     *
171
     * @see $targetAttribute
172
     */
173
    public function getTargetAttribute(): string|null
174
    {
175
        return $this->targetAttribute;
176
    }
177
178
    /**
179
     * Get the type of the values being compared.
180
     *
181
     * @return string The type of the values being compared. Either {@see CompareType::STRING}
182
     * or {@see CompareType::NUMBER}.
183
     * @psalm-return CompareType::STRING | CompareType::NUMBER $type
184
     *
185
     * @see $type
186
     */
187
    public function getType(): string
188
    {
189
        return $this->type;
190
    }
191
192
    /**
193
     * Get the operator for comparison.
194
     *
195
     * @return string The operator for comparison.
196
     *
197
     * @see $operator
198
     */
199
    public function getOperator(): string
200
    {
201
        return $this->operator;
202
    }
203
204
    /**
205
     * Get message used when the input is incorrect.
206
     *
207
     * @return string Error message.
208
     *
209
     * @see $incorrectInputMessage
210
     */
211
    public function getIncorrectInputMessage(): string
212
    {
213
        return $this->incorrectInputMessage;
214
    }
215
216
    /**
217
     * Get message used when the value returned from a custom
218
     * data set s not scalar.
219
     *
220
     * @return string Error message.
221
     *
222
     * @see $incorrectDataSetTypeMessage
223
     */
224
    public function getIncorrectDataSetTypeMessage(): string
225
    {
226
        return $this->incorrectDataSetTypeMessage;
227
    }
228
229
    /**
230
     * Get a message used when the value is not valid.
231
     *
232
     * @return string Error message.
233
     *
234
     * @see $message
235
     */
236
    public function getMessage(): string
237
    {
238
        return $this->message ?? match ($this->operator) {
239
            '==', '===' => 'Value must be equal to "{targetValueOrAttribute}".',
240
            '!=', '!==' => 'Value must not be equal to "{targetValueOrAttribute}".',
241
            '>' => 'Value must be greater than "{targetValueOrAttribute}".',
242
            '>=' => 'Value must be greater than or equal to "{targetValueOrAttribute}".',
243
            '<' => 'Value must be less than "{targetValueOrAttribute}".',
244
            '<=' => 'Value must be less than or equal to "{targetValueOrAttribute}".',
245
        };
246
    }
247
248
    public function getOptions(): array
249
    {
250
        $messageParameters = [
251
            'targetValue' => $this->targetValue,
252
            'targetAttribute' => $this->targetAttribute,
253
            'targetValueOrAttribute' => $this->targetValue ?? $this->targetAttribute,
254
        ];
255
256
        return [
257
            'targetValue' => $this->targetValue,
258
            'targetAttribute' => $this->targetAttribute,
259
            'incorrectInputMessage' => [
260
                'template' => $this->incorrectInputMessage,
261
                'parameters' => $messageParameters,
262
            ],
263
            'incorrectDataSetTypeMessage' => [
264
                'template' => $this->incorrectDataSetTypeMessage,
265
                'parameters' => $messageParameters,
266
            ],
267
            'message' => [
268
                'template' => $this->getMessage(),
269
                'parameters' => $messageParameters,
270
            ],
271
            'type' => $this->type,
272
            'operator' => $this->operator,
273
            'skipOnEmpty' => $this->getSkipOnEmptyOption(),
274
            'skipOnError' => $this->skipOnError,
275
        ];
276
    }
277
278
    public function getHandler(): string
279
    {
280
        return CompareHandler::class;
281
    }
282
283
    /**
284
     * Formats list of strings as a single string where items separated by the comma and each item is wrapped with
285
     * double quotes.
286
     *
287
     * For example, for `['item1', 'item2']` list, the output will be `"item1", "item2"`.
288
     *
289
     * @param string[] $items Initial list of strings to format.
290
     *
291
     * @return string Resulting formatted string.
292
     */
293
    private function getQuotedList(array $items): string
294
    {
295
        return '"' . implode('", "', $items) . '"';
296
    }
297
}
298