From fbc61dbbe96620f64906d557a93fe85f06d5f8d6 Mon Sep 17 00:00:00 2001
From: Awilum <sergey.romanenko@flextype.org>
Date: Mon, 11 Jul 2022 13:45:00 +0300
Subject: [PATCH] feat(expressions): add `date` expression function

---
 .../Entries/Expressions/MathExpression.php    | 35 +++++++++++++++++++
 .../Expressions/MathExpressionTest.php        | 33 +++++++++++++++++
 2 files changed, 68 insertions(+)
 create mode 100644 src/flextype/core/Entries/Expressions/MathExpression.php
 create mode 100644 tests/src/flextype/core/Entries/Expressions/MathExpressionTest.php

diff --git a/src/flextype/core/Entries/Expressions/MathExpression.php b/src/flextype/core/Entries/Expressions/MathExpression.php
new file mode 100644
index 00000000..a169b772
--- /dev/null
+++ b/src/flextype/core/Entries/Expressions/MathExpression.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+ /**
+ * Flextype - Hybrid Content Management System with the freedom of a headless CMS
+ * and with the full functionality of a traditional CMS!
+ *
+ * Copyright (c) Sergey Romanenko (https://awilum.github.io)
+ *
+ * Licensed under The MIT License.
+ *
+ * For full copyright and license information, please see the LICENSE
+ * Redistributions of files must retain the above copyright notice.
+ */
+
+namespace Flextype\Entries\Expressions;
+
+use Symfony\Component\ExpressionLanguage\ExpressionFunction;
+use Symfony\Component\ExpressionLanguage\ExpressionFunctionProviderInterface;
+
+use function Flextype\registry;
+
+class MathExpression implements ExpressionFunctionProviderInterface
+{
+    public function getFunctions()
+    {
+        return [
+            new ExpressionFunction('ceil', static fn (int|float $num): float => '\ceil($num)', static fn (array $arguments, int|float $num): float => \ceil($num)),
+            new ExpressionFunction('floor', static fn (int|float $num): float => '\floor($num)', static fn (array $arguments, int|float $num): float => \floor($num)),
+            new ExpressionFunction('min', static fn (mixed ...$values): mixed => '\min($values)', static fn (array $arguments, mixed ...$values): mixed => \min($values)),
+            new ExpressionFunction('max', static fn (mixed ...$values): mixed => '\max($values)', static fn (array $arguments, mixed ...$values): mixed => \max($values)),
+        ];
+    }
+}
diff --git a/tests/src/flextype/core/Entries/Expressions/MathExpressionTest.php b/tests/src/flextype/core/Entries/Expressions/MathExpressionTest.php
new file mode 100644
index 00000000..cf847d55
--- /dev/null
+++ b/tests/src/flextype/core/Entries/Expressions/MathExpressionTest.php
@@ -0,0 +1,33 @@
+<?php
+
+use Flextype\Component\Filesystem\Filesystem;
+use function Glowy\Filesystem\filesystem;
+use function Flextype\entries;
+
+beforeEach(function() {
+    filesystem()->directory(FLEXTYPE_PATH_PROJECT . '/entries')->create();
+});
+
+afterEach(function (): void {
+    filesystem()->directory(FLEXTYPE_PATH_PROJECT . '/entries')->delete();
+});
+
+test('ceil expression', function () {
+    entries()->create('ceil', ['test' => '[[ ceil(42.1) ]]']);
+    expect(entries()->fetch('ceil')['test'])->toBe('43');
+});
+
+test('floor expression', function () {
+    entries()->create('floor', ['test' => '[[ floor(4.3) ]]']);
+    expect(entries()->fetch('floor')['test'])->toBe('4');
+});
+
+test('min expression', function () {
+    entries()->create('min', ['test' => '[[ min(2, 3, 1, 6, 7) ]]']);
+    expect(entries()->fetch('min')['test'])->toBe('1');
+});
+
+test('max expression', function () {
+    entries()->create('max', ['test' => '[[ max(2, 3, 1, 6, 7) ]]']);
+    expect(entries()->fetch('max')['test'])->toBe('7');
+});
\ No newline at end of file