Add bulk delete (#4)

Author: hi019

README.md

@@ -12,7 +12,7 @@
 
 # Laravel Scout Typesense Engine
 <p align="center">
-    <img src="https://banners.beyondco.de/typesense%2Flaravel-typesense.png?theme=dark&packageManager=composer+require&packageName=typesense%2Flaravel-typesense&pattern=architect&style=style_1&description=Easy+typesense+support+for+Laravel+Scout&md=1&showWatermark=0&fontSize=100px&images=https%3A%2F%2Flaravel.com%2Fimg%2Flogomark.min.svg">
+    <img src="https://banners.beyondco.de/typesense%2Flaravel-typesense.png?theme=dark&packageManager=composer+require&packageName=typesense%2Flaravel-typesense&pattern=architect&style=style_1&description=Easy+Typesense+support+for+Laravel+Scout&md=1&showWatermark=0&fontSize=100px&images=https%3A%2F%2Flaravel.com%2Fimg%2Flogomark.min.svg">
 </p>
 
 This package makes it easy to add full text search support to your models with Laravel 7.\* to 8.\*. 
@@ -173,6 +173,7 @@ $posts->searchable();
   and changing the config/scout.php config key from `typesensesearch` to `typesense`
 - Instead of importing `Devloops\LaravelTypesense\*`, you should import `Typesense\LaravelTypesense\*`
 - Instead of models implementing `Devloops\LaravelTypesense\Interfaces\TypesenseSearch`, they should implement `Typesense\LaravelTypesense\Interfaces\TypesenseDocument`
+- In the rare case where the `TypesenseEngine` method `delete` is called directly, all the model instances passed to the method must now belong to the same Typesense index
 
 ## Authors
 This package was based off of https://github.com/AbdullahFaqeir and his company DevLoops' work, https://github.com/devloopsnet/laravel-scout-typesense-engine. Other contributors include:

src/Engines/TypesenseEngine.php

@@ -60,11 +60,15 @@ public function update($models): void
      */
     public function delete($models): void
     {
-        $models->each(function (Model $model) {
-            $collectionIndex = $this->typesense->getCollectionIndex($model);
+        $collection = $this->typesense->getCollectionIndex($models->first());
+
+        $ids = $models->map->getScoutKey()->values()->all();
+        $ids = join(', ', $ids);
 
-            $this->typesense->deleteDocument($collectionIndex, $model->{$model->getKey()});
-        });
+        $query = [
+            'filter_by' => "{$models->first()->getScoutKeyName()}: [${ids}]",
+        ];
+        $this->typesense->deleteDocuments($collection, $query);
     }
 
     /**
@@ -263,4 +267,4 @@ public function deleteIndex($name): array
         return $this->typesense->deleteCollection($name);
     }
 
-}
+}