NEW Validate DBFields

_config/model.yml

@@ -20,6 +20,8 @@ SilverStripe\Core\Injector\Injector:
     class: SilverStripe\ORM\FieldType\DBDecimal
   Double:
     class: SilverStripe\ORM\FieldType\DBDouble
+  Email:
+    class: SilverStripe\ORM\FieldType\DBEmail
   Enum:
     class: SilverStripe\ORM\FieldType\DBEnum
   Float:
@@ -36,6 +38,8 @@ SilverStripe\Core\Injector\Injector:
     class: SilverStripe\ORM\FieldType\DBHTMLVarchar
   Int:
     class: SilverStripe\ORM\FieldType\DBInt
+  IP:
+    class: SilverStripe\ORM\FieldType\DBIp
   BigInt:
     class: SilverStripe\ORM\FieldType\DBBigInt
   Locale:
@@ -58,6 +62,8 @@ SilverStripe\Core\Injector\Injector:
     class: SilverStripe\ORM\FieldType\DBText
   Time:
     class: SilverStripe\ORM\FieldType\DBTime
+  URL:
+    class: SilverStripe\ORM\FieldType\DBUrl
   Varchar:
     class: SilverStripe\ORM\FieldType\DBVarchar
   Year:

composer.json

@@ -47,6 +47,7 @@
         "symfony/dom-crawler": "^7.0",
         "symfony/filesystem": "^7.0",
         "symfony/http-foundation": "^7.0",
+        "symfony/intl": "^7.0",
         "symfony/mailer": "^7.0",
         "symfony/mime": "^7.0",
         "symfony/translation": "^7.0",

src/Core/Validation/ConstraintValidator.php

@@ -35,9 +35,9 @@ public static function validate(mixed $value, Constraint|array $constraints, str
         /** @var ConstraintViolationInterface $violation */
         foreach ($violations as $violation) {
             if ($fieldName) {
-                $result->addFieldError($fieldName, $violation->getMessage());
+                $result->addFieldError($fieldName, $violation->getMessage(), value: $value);
             } else {
-                $result->addError($violation->getMessage());
+                $result->addError($violation->getMessage(), value: $value);
             }
         }
 

src/Core/Validation/FieldValidation/AbstractSymfonyFieldValidator.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace SilverStripe\Core\Validation\FieldValidation;
+
+use SilverStripe\Core\Validation\ValidationResult;
+use SilverStripe\Core\Validation\ConstraintValidator;
+use SilverStripe\Core\Validation\FieldValidation\StringFieldValidator;
+
+/**
+ * Abstract class for validators that use Symfony constraints
+ */
+abstract class AbstractSymfonyFieldValidator extends StringFieldValidator
+{
+    protected function validateValue(): ValidationResult
+    {
+        $result = parent::validateValue();
+        if (!$result->isValid()) {
+            return $result;
+        }
+        $constraintClass = $this->getConstraintClass();
+        $args = [
+            ...$this->getContraintNamedArgs(),
+            'message' => $this->getMessage(),
+        ];
+        $constraint = new $constraintClass(...$args);
+        $validationResult = ConstraintValidator::validate($this->value, $constraint, $this->name);
+        return $result->combineAnd($validationResult);
+    }
+
+    /**
+     * The symfony constraint class to use
+     */
+    abstract protected function getConstraintClass(): string;
+
+    /**
+     * The named args to pass to the constraint
+     * Defined named args as assoc array keys
+     */
+    protected function getContraintNamedArgs(): array
+    {
+        return [];
+    }
+
+    /**
+     * The message to use when the value is invalid
+     */
+    abstract protected function getMessage(): string;
+}

src/Core/Validation/FieldValidation/BigIntFieldValidator.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace SilverStripe\Core\Validation\FieldValidation;
+
+use SilverStripe\Core\Validation\FieldValidation\IntFieldValidator;
+
+class BigIntFieldValidator extends IntFieldValidator
+{
+    /**
+     * The minimum value for a signed 64-bit integer.
+     * Defined as string instead of int otherwise will end up as a float
+     * on 64-bit systems if defined as an int
+     */
+    private const MIN_64_BIT_INT = '-9223372036854775808';
+
+    /**
+     * The maximum value for a signed 64-bit integer.
+     */
+    private const MAX_64_BIT_INT = '9223372036854775807';
+
+    public function __construct(string $name, mixed $value, ?int $minValue = null, ?int $maxValue = null)
+    {
+        if (is_null($minValue)) {
+            // Casting the string const to an int will properly return an int on 64-bit systems
+            $minValue = (int) BigIntFieldValidator::MIN_64_BIT_INT;
+        }
+        if (is_null($maxValue)) {
+            $maxValue = (int) BigIntFieldValidator::MAX_64_BIT_INT;
+        }
+        parent::__construct($name, $value, $minValue, $maxValue);
+    }
+}

src/Core/Validation/FieldValidation/BooleanFieldValidator.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace SilverStripe\Core\Validation\FieldValidation;
+
+use SilverStripe\Core\Validation\ValidationResult;
+use SilverStripe\Core\Validation\FieldValidation\FieldValidator;
+
+class BooleanFieldValidator extends FieldValidator
+{
+    // Accept a range of values as valid
+    private const VALID_VALUES = [
+        true,
+        false,
+        1,
+        0,
+        '1',
+        '0'
+    ];
+
+    protected function validateValue(): ValidationResult
+    {
+        $result = ValidationResult::create();
+        if (!in_array($this->value, self::VALID_VALUES, true)) {
+            $message = _t(__CLASS__ . '.INVALID', 'Invalid value');
+            $result->addFieldError($this->name, $message, value: $this->value);
+        }
+        return $result;
+    }
+}

src/Core/Validation/FieldValidation/CompositeFieldValidator.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace SilverStripe\Core\Validation\FieldValidation;
+
+use InvalidArgumentException;
+use SilverStripe\Core\Validation\ValidationResult;
+use SilverStripe\Core\Validation\FieldValidation\FieldValidator;
+use SilverStripe\Core\Validation\FieldValidation\FieldValidationInterface;
+
+class CompositeFieldValidator extends FieldValidator
+{
+    public function __construct(string $name, mixed $value)
+    {
+        if (!is_iterable($value)) {
+            throw new InvalidArgumentException('Value must be iterable');
+        }
+        foreach ($value as $child) {
+            if (!is_a($child, FieldValidationInterface::class)) {
+                throw new InvalidArgumentException('Child is not a' . FieldValidationInterface::class);
+            }
+        }
+        parent::__construct($name, $value);
+    }
+
+    protected function validateValue(): ValidationResult
+    {
+        $result = ValidationResult::create();
+        foreach ($this->value as $child) {
+            $result->combineAnd($child->validate());
+        }
+        return $result;
+    }
+}

src/Core/Validation/FieldValidation/DateFieldValidator.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace SilverStripe\Core\Validation\FieldValidation;
+
+use SilverStripe\Core\Validation\FieldValidation\FieldValidator;
+use SilverStripe\Core\Validation\ValidationResult;
+
+/**
+ * Validates that a value is a valid date, which means that it follows the equivalent formats:
+ * - PHP date format Y-m-d
+ * - SO format y-MM-dd i.e. DBDate::ISO_DATE
+ */
+class DateFieldValidator extends FieldValidator
+{
+    protected function validateValue(): ValidationResult
+    {
+        // Not using symfony/validator because it was allowing d-m-Y format strings
+        $result = ValidationResult::create();
+        $date = date_parse_from_format($this->getFormat(), $this->value);
+        if ($date === false || $date['error_count'] > 0 || $date['warning_count'] > 0) {
+            $result->addError($this->name, $this->getMessage());
+        }
+        return $result;
+    }
+
+    protected function getFormat(): string
+    {
+        return 'Y-m-d';
+    }
+
+    protected function getMessage(): string
+    {
+        return _t(__CLASS__ . '.INVALID', 'Invalid date');
+    }
+}

src/Core/Validation/FieldValidation/DatetimeFieldValidator.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace SilverStripe\Core\Validation\FieldValidation;
+
+use SilverStripe\Core\Validation\FieldValidation\DateFieldValidator;
+
+/**
+ * Validates that a value is a valid date/time, which means that it follows the equivalent formats:
+ * - PHP date format Y-m-d H:i:s
+ * - ISO format 'y-MM-dd HH:mm:ss' i.e. DBDateTime::ISO_DATETIME
+ */
+class DatetimeFieldValidator extends DateFieldValidator
+{
+    protected function getFormat(): string
+    {
+        return 'Y-m-d H:i:s';
+    }
+
+    protected function getMessage(): string
+    {
+        return _t(__CLASS__ . '.INVALID', 'Invalid date/time');
+    }
+}

src/Core/Validation/FieldValidation/DecimalFieldValidator.php

@@ -0,0 +1,61 @@
+<?php
+
+namespace SilverStripe\Core\Validation\FieldValidation;
+
+use SilverStripe\Core\Validation\ValidationResult;
+use SilverStripe\Core\Validation\FieldValidation\NumericFieldValidator;
+
+class DecimalFieldValidator extends NumericFieldValidator
+{
+    /**
+     * Whole number size e.g. For Decimal(9,2) this would be 9
+     */
+    private int $wholeSize;
+
+    /**
+     * Decimal size e.g. For Decimal(5,2) this would be 2
+     */
+    private int $decimalSize;
+
+    public function __construct(string $name, mixed $value, int $wholeSize, int $decimalSize)
+    {
+        parent::__construct($name, $value);
+        $this->wholeSize = $wholeSize;
+        $this->decimalSize = $decimalSize;
+    }
+
+    protected function validateValue(): ValidationResult
+    {
+        $result = parent::validateValue();
+        if (!$result->isValid()) {
+            return $result;
+        }
+        // Example of how digits are stored in the database
+        // Decimal(5,2) is allowed a total of 5 digits, and will always round to 2 decimal places
+        // This means it has a maximum 3 digits before the decimal point
+        //
+        // Valid
+        // 123.99
+        // 999.99
+        // -999.99
+        // 123.999 - will round to 124.00
+        //
+        // Not valid
+        // 1234.9 - 4 digits the before the decimal point
+        // 999.999 - would be rounted to 10000000.00 which exceeds the 9 digits
+
+        // Convert to absolute value - any the minus sign is not counted
+        $absValue = abs($this->value);
+        // Round to the decimal size which is what the database will do
+        $rounded = round($absValue, $this->decimalSize);
+        // Get formatted as a string, which will right pad with zeros to the decimal size
+        $rounded = number_format($rounded, $this->decimalSize, thousands_separator: '');
+        // Count this number of digits - the minus 1 is for the decimal point
+        $digitCount = strlen((string) $rounded) - 1;
+        if ($digitCount > $this->wholeSize) {
+            $message = _t(__CLASS__ . '.TOOLARGE', 'Number is too large');
+            $result->addFieldError($this->name, $message, value: $this->value);
+        }
+        return $result;
+    }
+}

src/Core/Validation/FieldValidation/EmailFieldValidator.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace SilverStripe\Core\Validation\FieldValidation;
+
+use Symfony\Component\Validator\Constraints;
+use SilverStripe\Core\Validation\FieldValidation\AbstractSymfonyFieldValidator;
+
+class EmailFieldValidator extends AbstractSymfonyFieldValidator
+{
+    protected function getConstraintClass(): string
+    {
+        return Constraints\Email::class;
+    }
+
+    protected function getMessage(): string
+    {
+        return _t(__CLASS__ . '.INVALID', 'Invalid email address');
+    }
+}

src/Core/Validation/FieldValidation/EnumFieldValidator.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace SilverStripe\Core\Validation\FieldValidation;
+
+use SilverStripe\Core\Validation\ValidationResult;
+use SilverStripe\Core\Validation\FieldValidation\FieldValidator;
+
+class EnumFieldValidator extends FieldValidator
+{
+    private array $allowedValues;
+
+    public function __construct(string $name, mixed $value, array $allowedValues)
+    {
+        parent::__construct($name, $value);
+        $this->allowedValues = $allowedValues;
+    }
+
+    protected function validateValue(): ValidationResult
+    {
+        $result = ValidationResult::create();
+        if (!in_array($this->value, $this->allowedValues, true)) {
+            $message = _t(__CLASS__ . '.NOTALLOWED', 'Not an allowed value');
+            $result->addFieldError($this->name, $message, value: $this->value);
+        }
+        return $result;
+    }
+}

src/Core/Validation/FieldValidation/FieldValidationInterface.php

@@ -0,0 +1,12 @@
+<?php
+
+namespace SilverStripe\Core\Validation\FieldValidation;
+
+use SilverStripe\Core\Validation\ValidationInterface;
+
+interface FieldValidationInterface extends ValidationInterface
+{
+    public function getName(): string;
+
+    public function getValue(): mixed;
+}