Add Jsonable interface

src/Exceptions/JsonEncodingException.php

@@ -8,15 +8,17 @@ class JsonEncodingException extends RuntimeException
 {
     /**
      * Create a new JSON encoding exception for an attribute.
-     *
-     * @param  mixed  $model
-     * @param  mixed  $key
-     * @return static
      */
-    public static function forAttribute(string $model, string $key, string $message)
+    public static function forAttribute(mixed $model, string $key, string $message): static
     {
-        $class = get_class($model);
+        return new static('Unable to encode attribute ['.$key.'] for model ['.get_class($model).'] to JSON: '.$message);
+    }
 
-        return new static("Unable to encode attribute [{$key}] for model [{$class}] to JSON: {$message}.");
+    /**
+     * Create a new JSON encoding exception for the model.
+     */
+    public static function forModel(mixed $model, string $message): static
+    {
+        return new static('Error encoding model ['.get_class($model).'] with ID ['.$model->getKey().'] to JSON: '.$message);
     }
 }

src/Model.php

@@ -13,19 +13,22 @@
 use DirectoryTree\ActiveRedis\Concerns\Routable;
 use DirectoryTree\ActiveRedis\Exceptions\DuplicateKeyException;
 use DirectoryTree\ActiveRedis\Exceptions\InvalidKeyException;
+use DirectoryTree\ActiveRedis\Exceptions\JsonEncodingException;
 use DirectoryTree\ActiveRedis\Repositories\RedisRepository;
 use DirectoryTree\ActiveRedis\Repositories\Repository;
 use Illuminate\Contracts\Redis\Connection;
 use Illuminate\Contracts\Routing\UrlRoutable;
 use Illuminate\Contracts\Support\Arrayable;
+use Illuminate\Contracts\Support\Jsonable;
 use Illuminate\Redis\RedisManager;
 use Illuminate\Support\Arr;
 use Illuminate\Support\Collection;
 use Illuminate\Support\Facades\Date;
 use Illuminate\Support\Str;
 use Illuminate\Support\Traits\ForwardsCalls;
+use JsonException;
 
-abstract class Model implements Arrayable, ArrayAccess, UrlRoutable
+abstract class Model implements Arrayable, ArrayAccess, Jsonable, UrlRoutable
 {
     use Bootable;
     use ForwardsCalls;
@@ -563,6 +566,28 @@ public function toArray(): array
         return $this->attributesToArray();
     }
 
+    /**
+     * Convert the model instance to JSON.
+     */
+    public function toJson(mixed $options = 0): string
+    {
+        try {
+            $json = json_encode($this->jsonSerialize(), $options | JSON_THROW_ON_ERROR);
+        } catch (JsonException $e) {
+            throw JsonEncodingException::forModel($this, $e->getMessage());
+        }
+
+        return $json;
+    }
+
+    /**
+     * Convert the object into something JSON serializable.
+     */
+    public function jsonSerialize(): mixed
+    {
+        return $this->toArray();
+    }
+
     /**
      * Dynamically retrieve attributes on the model.
      */

tests/ModelTest.php

@@ -306,3 +306,11 @@
         'id', 'name', 'created_at', 'updated_at',
     ]);
 });
+
+it('can be converted to json', function () {
+    $model = ModelStub::create([
+        'name' => 'John Doe',
+    ]);
+
+    expect($model->toJson())->toBe(json_encode($model->toArray()));
+});