[11.x] Add Customizable Date Validation Rule with Flexible Date Constraints

src/Illuminate/Validation/Rule.php

@@ -6,6 +6,7 @@
 use Illuminate\Support\Traits\Macroable;
 use Illuminate\Validation\Rules\ArrayRule;
 use Illuminate\Validation\Rules\Can;
+use Illuminate\Validation\Rules\Date;
 use Illuminate\Validation\Rules\Dimensions;
 use Illuminate\Validation\Rules\Email;
 use Illuminate\Validation\Rules\Enum;
@@ -170,6 +171,16 @@ public static function prohibitedIf($callback)
         return new ProhibitedIf($callback);
     }
 
+    /**
+     * Get a date rule builder instance.
+     *
+     * @return \Illuminate\Validation\Rules\Date
+     */
+    public static function date()
+    {
+        return new Date;
+    }
+
     /**
      * Get an email rule builder instance.
      *

src/Illuminate/Validation/Rules/Date.php

@@ -0,0 +1,135 @@
+<?php
+
+namespace Illuminate\Validation\Rules;
+
+use DateTimeInterface;
+use Illuminate\Support\Arr;
+use Illuminate\Support\Traits\Conditionable;
+use Illuminate\Support\Traits\Macroable;
+use Stringable;
+
+class Date implements Stringable
+{
+    use Conditionable, Macroable;
+
+    /**
+     * The constraints for the date rule.
+     */
+    protected array $constraints = ['date'];
+
+    /**
+     * Ensure the date has the given format.
+     */
+    public function format(string $format): static
+    {
+        return $this->addRule('date_format:'.$format);
+    }
+
+    /**
+     * Ensure the date is before today.
+     */
+    public function beforeToday(): static
+    {
+        return $this->before('today');
+    }
+
+    /**
+     * Ensure the date is after today.
+     */
+    public function afterToday(): static
+    {
+        return $this->after('today');
+    }
+
+    /**
+     * Ensure the date is before or equal to today.
+     */
+    public function todayOrBefore(): static
+    {
+        return $this->beforeOrEqual('today');
+    }
+
+    /**
+     * Ensure the date is after or equal to today.
+     */
+    public function todayOrAfter(): static
+    {
+        return $this->afterOrEqual('today');
+    }
+
+    /**
+     * Ensure the date is before the given date or date field.
+     */
+    public function before(DateTimeInterface|string $date): static
+    {
+        return $this->addRule('before:'.$this->formatDate($date));
+    }
+
+    /**
+     * Ensure the date is after the given date or date field.
+     */
+    public function after(DateTimeInterface|string $date): static
+    {
+        return $this->addRule('after:'.$this->formatDate($date));
+    }
+
+    /**
+     * Ensure the date is on or before the specified date or date field.
+     */
+    public function beforeOrEqual(DateTimeInterface|string $date): static
+    {
+        return $this->addRule('before_or_equal:'.$this->formatDate($date));
+    }
+
+    /**
+     * Ensure the date is on or after the given date or date field.
+     */
+    public function afterOrEqual(DateTimeInterface|string $date): static
+    {
+        return $this->addRule('after_or_equal:'.$this->formatDate($date));
+    }
+
+    /**
+     * Ensure the date is between two dates or date fields.
+     */
+    public function between(DateTimeInterface|string $from, DateTimeInterface|string $to): static
+    {
+        return $this->after($from)->before($to);
+    }
+
+    /**
+     * Ensure the date is between or equal to two dates or date fields.
+     */
+    public function betweenOrEqual(DateTimeInterface|string $from, DateTimeInterface|string $to): static
+    {
+        return $this->afterOrEqual($from)->beforeOrEqual($to);
+    }
+
+    /**
+     * Add custom rules to the validation rules array.
+     */
+    protected function addRule(array|string $rules): static
+    {
+        $this->constraints = array_merge($this->constraints, Arr::wrap($rules));
+
+        return $this;
+    }
+
+    /**
+     * Format the date for the validation rule.
+     */
+    protected function formatDate(DateTimeInterface|string $date): string
+    {
+        return $date instanceof DateTimeInterface
+            ? $date->format('Y-m-d')
+            : $date;
+    }
+
+    /**
+     * Convert the rule to a validation string.
+     */
+    public function __toString(): string
+    {
+        return implode('|', $this->constraints);
+    }
+}

tests/Validation/ValidationDateRuleTest.php

@@ -0,0 +1,138 @@
+<?php
+
+namespace Tests\Unit\Rules;
+
+use Illuminate\Support\Carbon;
+use Illuminate\Translation\ArrayLoader;
+use Illuminate\Translation\Translator;
+use Illuminate\Validation\Rule;
+use Illuminate\Validation\Rules\Date;
+use Illuminate\Validation\Validator;
+use PHPUnit\Framework\TestCase;
+
+class ValidationDateRuleTest extends TestCase
+{
+    public function testDefaultDateRule()
+    {
+        $rule = Rule::date();
+        $this->assertEquals('date', (string) $rule);
+
+        $rule = new Date;
+        $this->assertSame('date', (string) $rule);
+    }
+
+    public function testDateFormatRule()
+    {
+        $rule = Rule::date()->format('d/m/Y');
+        $this->assertEquals('date|date_format:d/m/Y', (string) $rule);
+    }
+
+    public function testAfterTodayRule()
+    {
+        $rule = Rule::date()->afterToday();
+        $this->assertEquals('date|after:today', (string) $rule);
+
+        $rule = Rule::date()->todayOrAfter();
+        $this->assertEquals('date|after_or_equal:today', (string) $rule);
+    }
+
+    public function testBeforeTodayRule()
+    {
+        $rule = Rule::date()->beforeToday();
+        $this->assertEquals('date|before:today', (string) $rule);
+
+        $rule = Rule::date()->todayOrBefore();
+        $this->assertEquals('date|before_or_equal:today', (string) $rule);
+    }
+
+    public function testAfterSpecificDateRule()
+    {
+        $rule = Rule::date()->after(Carbon::parse('2024-01-01'));
+        $this->assertEquals('date|after:2024-01-01', (string) $rule);
+    }
+
+    public function testBeforeSpecificDateRule()
+    {
+        $rule = Rule::date()->before(Carbon::parse('2024-01-01'));
+        $this->assertEquals('date|before:2024-01-01', (string) $rule);
+    }
+
+    public function testAfterOrEqualSpecificDateRule()
+    {
+        $rule = Rule::date()->afterOrEqual(Carbon::parse('2024-01-01'));
+        $this->assertEquals('date|after_or_equal:2024-01-01', (string) $rule);
+    }
+
+    public function testBeforeOrEqualSpecificDateRule()
+    {
+        $rule = Rule::date()->beforeOrEqual(Carbon::parse('2024-01-01'));
+        $this->assertEquals('date|before_or_equal:2024-01-01', (string) $rule);
+    }
+
+    public function testBetweenDatesRule()
+    {
+        $rule = Rule::date()->between(Carbon::parse('2024-01-01'), Carbon::parse('2024-02-01'));
+        $this->assertEquals('date|after:2024-01-01|before:2024-02-01', (string) $rule);
+    }
+
+    public function testBetweenOrEqualDatesRule()
+    {
+        $rule = Rule::date()->betweenOrEqual('2024-01-01', '2024-02-01');
+        $this->assertEquals('date|after_or_equal:2024-01-01|before_or_equal:2024-02-01', (string) $rule);
+    }
+
+    public function testChainedRules()
+    {
+        $rule = Rule::date('Y-m-d H:i:s')
+            ->format('Y-m-d')
+            ->after('2024-01-01 00:00:00')
+            ->before('2025-01-01 00:00:00');
+        $this->assertEquals('date|date_format:Y-m-d|after:2024-01-01 00:00:00|before:2025-01-01 00:00:00', (string) $rule);
+
+        $rule = Rule::date()
+            ->format('Y-m-d')
+            ->when(true, function ($rule) {
+                $rule->after('2024-01-01');
+            })
+            ->unless(true, function ($rule) {
+                $rule->before('2025-01-01');
+            });
+        $this->assertSame('date|date_format:Y-m-d|after:2024-01-01', (string) $rule);
+    }
+
+    public function testDateValidation()
+    {
+        $trans = new Translator(new ArrayLoader, 'en');
+
+        $rule = Rule::date();
+
+        $validator = new Validator(
+            $trans,
+            ['date' => 'not a date'],
+            ['date' => $rule]
+        );
+
+        $this->assertSame(
+            $trans->get('validation.date'),
+            $validator->errors()->first('date')
+        );
+
+        $validator = new Validator(
+            $trans,
+            ['date' => '2024-01-01'],
+            ['date' => $rule]
+        );
+
+        $this->assertEmpty($validator->errors()->first('date'));
+
+        $rule = Rule::date()->between('2024-01-01', '2025-01-01');
+
+        $validator = new Validator(
+            $trans,
+            ['date' => '2024-02-01'],
+            ['date' => (string) $rule]
+        );
+
+        $this->assertEmpty($validator->errors()->first('date'));
+    }
+}