Add physical delete document (DD) option

Author: ethanhann

src/Index.php

@@ -140,11 +140,16 @@ public function info()
 
     /**
      * @param $id
+     * @param bool $deleteDocument
      * @return bool
      */
-    public function delete($id)
+    public function delete($id, $deleteDocument = false)
     {
-        return boolval($this->rawCommand('FT.DEL', [$this->getIndexName(), $id]));
+        $arguments = [$this->getIndexName(), $id];
+        if ($deleteDocument) {
+            $arguments[] = 'DD';
+        }
+        return boolval($this->rawCommand('FT.DEL', $arguments));
     }
 
     /**

src/IndexInterface.php

@@ -11,7 +11,7 @@ interface IndexInterface extends BuilderInterface
     public function create();
     public function drop();
     public function info();
-    public function delete($id);
+    public function delete($id, $deleteDocument = false);
     public function makeDocument($id = null): DocumentInterface;
     public function makeAggregateBuilder(): AggregateBuilderInterface;
     public function getRedisClient(): RediSearchRedisClient;

tests/RediSearch/IndexTest.php

@@ -94,6 +94,23 @@ public function testShouldDeleteDocumentById()
         $this->assertEmpty($this->subject->search('My New Book')->getDocuments());
     }
 
+    public function testShouldPhysicallyDeleteDocumentById()
+    {
+        $this->subject->create();
+        $expectedId = 'fio4oihfohsdfl';
+        $document = $this->subject->makeDocument($expectedId);
+        $document->title->setValue('My New Book');
+        $document->author->setValue('Jack');
+        $document->price->setValue(123);
+        $document->stock->setValue(1123);
+        $this->subject->add($document);
+
+        $result = $this->subject->delete($expectedId, true);
+
+        $this->assertTrue($result);
+        $this->assertEmpty($this->subject->search('My New Book')->getDocuments());
+    }
+
     public function testCreateIndexWithSortableFields()
     {
         $indexName = 'IndexWithSortableFieldsTest';