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| 1 | <?php |
| 2 | |
| 3 | namespace App\Shared\Domain\Validation; |
| 4 | |
| 5 | use App\Shared\Domain\Exception\BaseErrorCode; |
| 6 | use App\Shared\Domain\Exception\ErrorCode; |
| 7 | use App\Shared\Domain\Exception\ValidationException; |
| 8 | use App\Shared\Domain\Model\EntityId; |
| 9 | |
| 10 | /** |
| 11 | * @author Wilhelm Zwertvaegher |
| 12 | */ |
| 13 | |
| 14 | /** |
| 15 | * @author Wilhelm Zwertvaegher |
| 16 | */ |
| 17 | |
| 18 | class Validator |
| 19 | { |
| 20 | |
| 21 | public ValidationErrors $validationErrors; |
| 22 | |
| 23 | /** |
| 24 | * @return ValidationErrors |
| 25 | */ |
| 26 | public function getValidationErrors(): ValidationErrors |
| 27 | { |
| 28 | return $this->validationErrors; |
| 29 | } |
| 30 | |
| 31 | /** |
| 32 | * |
| 33 | */ |
| 34 | public function __construct() |
| 35 | { |
| 36 | $this->validationErrors = new ValidationErrors(); |
| 37 | } |
| 38 | |
| 39 | /** |
| 40 | * @param string $fieldName |
| 41 | * @param mixed $fieldValue |
| 42 | * @return bool |
| 43 | */ |
| 44 | private function notEmpty(string $fieldName, mixed $fieldValue): bool |
| 45 | { |
| 46 | if ($fieldValue === null |
| 47 | || $fieldValue === '' |
| 48 | || $fieldValue instanceof EntityId && $fieldValue->value() === ' ' |
| 49 | || is_array($fieldValue) && count($fieldValue) === 0 |
| 50 | ) { |
| 51 | $this->validationErrors->add(new ValidationError($fieldName, ErrorCode::FIELD_CANNOT_BE_EMPTY, ['empty' => 'Field cannot be empty'])); |
| 52 | return false; |
| 53 | } |
| 54 | return true; |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * @throws ValidationException |
| 59 | */ |
| 60 | public function validate(): void |
| 61 | { |
| 62 | if ($this->validationErrors->hasErrors()) { |
| 63 | throw new ValidationException($this->validationErrors); |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | /** |
| 68 | * @param string $fieldName |
| 69 | * @param mixed $fieldValue |
| 70 | * @return $this |
| 71 | */ |
| 72 | public function requireNotNull(string $fieldName, mixed $fieldValue): self |
| 73 | { |
| 74 | if (null === $fieldValue) { |
| 75 | $this->validationErrors->add(new ValidationError($fieldName, ErrorCode::FIELD_CANNOT_BE_NULL)); |
| 76 | } |
| 77 | return $this; |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * @param string $fieldName |
| 82 | * @param mixed $fieldValue |
| 83 | * @return $this |
| 84 | */ |
| 85 | public function requireNotEmpty(string $fieldName, mixed $fieldValue): self |
| 86 | { |
| 87 | $this->notEmpty($fieldName, $fieldValue); |
| 88 | return $this; |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * @param string $fieldName |
| 93 | * @param string $fieldValue |
| 94 | * @return $this |
| 95 | */ |
| 96 | public function requireValidEmail(string $fieldName, string $fieldValue): self |
| 97 | { |
| 98 | $pattern = "/^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,}$/"; |
| 99 | if ($this->notEmpty($fieldName, $fieldValue) && !preg_match($pattern, $fieldValue)) { |
| 100 | $this->validationErrors->add(new ValidationError($fieldName, ErrorCode::INVALID_EMAIL, ['invalid' => sprintf('%s is not a valid email', $fieldValue)])); |
| 101 | } |
| 102 | return $this; |
| 103 | } |
| 104 | |
| 105 | /** |
| 106 | * @param string $fieldName |
| 107 | * @param string $fieldValue |
| 108 | * @return $this |
| 109 | */ |
| 110 | public function requireValidUrl(string $fieldName, string $fieldValue): self |
| 111 | { |
| 112 | try { |
| 113 | $parts = parse_url($fieldValue); |
| 114 | if (!is_array($parts)) { |
| 115 | throw new \Exception('Malformed URL'); |
| 116 | } |
| 117 | |
| 118 | if (empty($parts['scheme']) || !str_starts_with($parts['scheme'], 'http')) { |
| 119 | throw new \Exception('URL must start with http(s).'); |
| 120 | } |
| 121 | |
| 122 | if (empty($parts['host'])) { |
| 123 | throw new \Exception('URL must contain a host.'); |
| 124 | } |
| 125 | |
| 126 | if (!str_contains($parts['host'], '.')) { |
| 127 | throw new \Exception('URL must contain a valid host.'); |
| 128 | } |
| 129 | |
| 130 | } catch (\Exception $e) { |
| 131 | $this->validationErrors->add(new ValidationError($fieldName, ErrorCode::INVALID_URL, ['invalid' => $e->getMessage()])); |
| 132 | } |
| 133 | |
| 134 | return $this; |
| 135 | } |
| 136 | |
| 137 | /** |
| 138 | * @param string $fieldName |
| 139 | * @param string $fieldValue |
| 140 | * @param int $minLength |
| 141 | * @return $this |
| 142 | */ |
| 143 | public function requireMinLength(string $fieldName, string $fieldValue, int $minLength): self |
| 144 | { |
| 145 | if ($minLength < 1) { |
| 146 | throw new \InvalidArgumentException("minLength must be greater than 0"); |
| 147 | } |
| 148 | if ($this->notEmpty($fieldName, $fieldValue) && strlen($fieldValue) < $minLength) { |
| 149 | $this->validationErrors->add(new ValidationError($fieldName, ErrorCode::FIELD_VALUE_TOO_SHORT)); |
| 150 | } |
| 151 | return $this; |
| 152 | } |
| 153 | |
| 154 | /** |
| 155 | * @param string $fieldName |
| 156 | * @param string $fieldValue |
| 157 | * @param int $maxLength |
| 158 | * @return $this |
| 159 | */ |
| 160 | public function requireMaxLength(string $fieldName, string $fieldValue, int $maxLength): self |
| 161 | { |
| 162 | if ($maxLength < 1) { |
| 163 | throw new \InvalidArgumentException("maxLength must be greater than 0"); |
| 164 | } |
| 165 | if ($this->notEmpty($fieldName, $fieldValue) && strlen($fieldValue) > $maxLength) { |
| 166 | $this->validationErrors->add(new ValidationError($fieldName, ErrorCode::FIELD_VALUE_TOO_LONG)); |
| 167 | } |
| 168 | return $this; |
| 169 | } |
| 170 | |
| 171 | /** |
| 172 | * @param string $fieldName |
| 173 | * @param int $fieldValue |
| 174 | * @param int $minValue |
| 175 | * @return $this |
| 176 | */ |
| 177 | public function requireMin(string $fieldName, int $fieldValue, int $minValue): self |
| 178 | { |
| 179 | if ($this->notEmpty($fieldName, $fieldValue) && $fieldValue < $minValue) { |
| 180 | $this->validationErrors->add(new ValidationError($fieldName, ErrorCode::FIELD_VALUE_TOO_SMALL, ["min" => $minValue])); |
| 181 | } |
| 182 | return $this; |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * @param string $fieldName |
| 187 | * @param int $fieldValue |
| 188 | * @param int $minValue |
| 189 | * @return $this |
| 190 | */ |
| 191 | public function requireMinIfNotNull(string $fieldName, int $fieldValue, int $minValue): self |
| 192 | { |
| 193 | if ($fieldValue < $minValue) { |
| 194 | $this->validationErrors->add(new ValidationError($fieldName, ErrorCode::FIELD_VALUE_TOO_SMALL, ["min" => $minValue])); |
| 195 | } |
| 196 | return $this; |
| 197 | } |
| 198 | |
| 199 | /** |
| 200 | * @param string $fieldName |
| 201 | * @param int $fieldValue |
| 202 | * @param int $maxValue |
| 203 | * @return $this |
| 204 | */ |
| 205 | public function requireMax(string $fieldName, int $fieldValue, int $maxValue): self |
| 206 | { |
| 207 | if ($this->notEmpty($fieldName, $fieldValue) && $fieldValue > $maxValue) { |
| 208 | $this->validationErrors->add(new ValidationError($fieldName, ErrorCode::FIELD_VALUE_TOO_BIG, ["max" => $maxValue])); |
| 209 | } |
| 210 | return $this; |
| 211 | } |
| 212 | |
| 213 | /** |
| 214 | * @param string $fieldName |
| 215 | * @param int $fieldValue |
| 216 | * @param int $maxValue |
| 217 | * @return $this |
| 218 | */ |
| 219 | public function requireMaxIfNotNull(string $fieldName, int $fieldValue, int $maxValue): self |
| 220 | { |
| 221 | if ($fieldValue > $maxValue) { |
| 222 | $this->validationErrors->add(new ValidationError($fieldName, ErrorCode::FIELD_VALUE_TOO_BIG, ["max" => $maxValue])); |
| 223 | } |
| 224 | return $this; |
| 225 | } |
| 226 | |
| 227 | public function requireValidUuidV4(string $fieldName, string $fieldValue): self |
| 228 | { |
| 229 | if (!preg_match('/^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/', $fieldValue)) { |
| 230 | $this->validationErrors->add(new ValidationError($fieldName, ErrorCode::INVALID_UUID)); |
| 231 | } |
| 232 | |
| 233 | return $this; |
| 234 | } |
| 235 | |
| 236 | /** |
| 237 | * @param string $fieldName |
| 238 | * @param callable():bool $supplier |
| 239 | * @param BaseErrorCode $errorCode |
| 240 | * @return $this |
| 241 | */ |
| 242 | public function require(string $fieldName, callable $supplier, BaseErrorCode $errorCode): self |
| 243 | { |
| 244 | if (true !== $supplier()) { |
| 245 | $this->validationErrors->add(new ValidationError($fieldName, $errorCode)); |
| 246 | } |
| 247 | return $this; |
| 248 | } |
| 249 | } |