[12.x] Adds AsInstance::of() cast

Author: DarkGhostHunter

src/Illuminate/Database/Eloquent/Casts/AsEncryptedInstance.php

@@ -0,0 +1,83 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Casts;
+
+use Illuminate\Contracts\Database\Eloquent\Castable;
+use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
+use Illuminate\Contracts\Support\Arrayable;
+use Illuminate\Contracts\Support\Jsonable;
+use Illuminate\Support\Facades\Crypt;
+use InvalidArgumentException;
+use ValueError;
+
+class AsEncryptedInstance implements Castable
+{
+    /**
+     * Get the caster class to use when casting from / to this cast target.
+     *
+     * @param  array  $arguments
+     * @return \Illuminate\Contracts\Database\Eloquent\CastsAttributes<\Illuminate\Support\Collection<array-key, mixed>, iterable>
+     */
+    public static function castUsing(array $arguments)
+    {
+        return new class($arguments) implements CastsAttributes
+        {
+            protected string $class;
+
+            public function __construct(array $arguments)
+            {
+                $this->class = $arguments[0]
+                    ?? throw new InvalidArgumentException('A class name must be provided to cast as an instance.');
+            }
+
+            public function get($model, $key, $value, $attributes)
+            {
+                if (! isset($attributes[$key])) {
+                    return;
+                }
+
+                $data = Json::decode(Crypt::decryptString($attributes[$key]));
+
+                if (! is_array($data)) {
+                    return null;
+                }
+
+                if (method_exists($this->class, 'fromArray')) {
+                    return $this->class::fromArray($data);
+                }
+
+                return new $this->class($data);
+            }
+
+            public function set($model, $key, $value, $attributes)
+            {
+                if (! is_null($value)) {
+                    return [
+                        $key => Crypt::encryptString(
+                            match(true) {
+                                $value instanceof Jsonable => $value->toJson(),
+                                $value instanceof Arrayable => Json::encode($value->toArray()),
+                                default => throw new ValueError(sprintf(
+                                    'The %s class should implement Jsonable or Arrayable contract.', $this->class
+                                ))
+                            }
+                        )
+                    ];
+                }
+
+                return null;
+            }
+        };
+    }
+
+    /**
+     * Specify the class to make an instance from.
+     *
+     * @param  class-string  $class
+     * @return string
+     */
+    public static function of($class)
+    {
+        return static::class . ':' . $class;
+    }
+}

src/Illuminate/Database/Eloquent/Casts/AsInstance.php

@@ -0,0 +1,80 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Casts;
+
+use Illuminate\Contracts\Database\Eloquent\Castable;
+use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
+use Illuminate\Contracts\Support\Arrayable;
+use Illuminate\Contracts\Support\Jsonable;
+use InvalidArgumentException;
+use ValueError;
+
+class AsInstance implements Castable
+{
+    /**
+     * Get the caster class to use when casting from / to this cast target.
+     *
+     * @param  array  $arguments
+     * @return \Illuminate\Contracts\Database\Eloquent\CastsAttributes<\Illuminate\Support\Collection<array-key, mixed>, iterable>
+     */
+    public static function castUsing(array $arguments)
+    {
+        return new class($arguments) implements CastsAttributes
+        {
+            protected string $class;
+
+            public function __construct(array $arguments)
+            {
+                $this->class = $arguments[0]
+                    ?? throw new InvalidArgumentException('A class name must be provided to cast as an instance.');
+            }
+
+            public function get($model, $key, $value, $attributes)
+            {
+                if (! isset($attributes[$key])) {
+                    return;
+                }
+
+                $data = Json::decode($attributes[$key]);
+
+                if (! is_array($data)) {
+                    return null;
+                }
+
+                if (method_exists($this->class, 'fromArray')) {
+                    return $this->class::fromArray($data);
+                }
+
+                return new $this->class($data);
+            }
+
+            public function set($model, $key, $value, $attributes)
+            {
+                if (! isset($attributes[$key])) {
+                    return;
+                }
+
+                return [
+                    $key => match(true) {
+                        $value instanceof Jsonable => $value->toJson(),
+                        $value instanceof Arrayable => Json::encode($value->toArray()),
+                        default => throw new ValueError(sprintf(
+                            'The %s class should implement Jsonable or Arrayable contract.', $this->class)
+                        )
+                    }
+                ];
+            }
+        };
+    }
+
+    /**
+     * Specify the class to make an instance from.
+     *
+     * @param  class-string  $class
+     * @return string
+     */
+    public static function of($class)
+    {
+        return static::class . ':' . $class;
+    }
+}