first commit

2025-11-22 09:54:51 -05:00
commit 07a07ab49f
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+<?php
+
+declare(strict_types=1);
+
+/**
+ * This file is part of CodeIgniter 4 framework.
+ *
+ * (c) CodeIgniter Foundation <admin@codeigniter.com>
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace CodeIgniter\Traits;
+
+trait ConditionalTrait
+{
+    /**
+     * Only runs the query when $condition evaluates to true
+     *
+     * @template TWhen of mixed
+     *
+     * @param TWhen                        $condition
+     * @param callable(self, TWhen): mixed $callback
+     * @param (callable(self): mixed)|null $defaultCallback
+     * @param mixed                        $condition
+     *
+     * @return $this
+     */
+    public function when($condition, callable $callback, ?callable $defaultCallback = null): self
+    {
+        if ((bool) $condition) {
+            $callback($this, $condition);
+        } elseif ($defaultCallback !== null) {
+            $defaultCallback($this);
+        }
+
+        return $this;
+    }
+
+    /**
+     * Only runs the query when $condition evaluates to false
+     *
+     * @template TWhenNot of mixed
+     *
+     * @param TWhenNot                        $condition
+     * @param callable(self, TWhenNot): mixed $callback
+     * @param (callable(self): mixed)|null    $defaultCallback
+     * @param mixed                           $condition
+     *
+     * @return $this
+     */
+    public function whenNot($condition, callable $callback, ?callable $defaultCallback = null): self
+    {
+        if (! (bool) $condition) {
+            $callback($this, $condition);
+        } elseif ($defaultCallback !== null) {
+            $defaultCallback($this);
+        }
+
+        return $this;
+    }
+}