initial commit

kirby/src/Cms/HasModels.php

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+<?php
+
+namespace Kirby\Cms;
+
+/**
+ * HasModels
+ *
+ * @package   Kirby Cms
+ * @author    Bastian Allgeier <bastian@getkirby.com>
+ * @link      https://getkirby.com
+ * @copyright Bastian Allgeier
+ * @license   https://getkirby.com/license
+ * @since     5.0.0
+ */
+trait HasModels
+{
+	/**
+	 * Registry with all custom models
+	 */
+	public static array $models = [];
+
+	/**
+	 * Adds new models to the registry
+	 * @internal
+	 */
+	public static function extendModels(array $models): array
+	{
+		return static::$models = [
+			...static::$models,
+			...array_change_key_case($models, CASE_LOWER)
+		];
+	}
+
+	/**
+	 * Creates an object from model if it has been registered
+	 */
+	public static function model(string $name, array $props = []): static
+	{
+		$name    = strtolower($name);
+		$class   = static::$models[$name] ?? null;
+		$class ??= static::$models['default'] ?? null;
+
+		if ($class !== null) {
+			$object = new $class($props);
+
+			if ($object instanceof self) {
+				return $object;
+			}
+		}
+
+		return new static($props);
+	}
+}