[FEATURE] Added flush command as indexation is now into one

Classes/Command/IndexCommandController.php

@@ -84,4 +84,20 @@ class IndexCommandController extends CommandController
             }
         }
     }
+
+    /**
+     * Will delete the full index.
+     *
+     * @param string $identifier
+     * @return void
+     */
+    public function flushCommand(string $identifier = 'pages')
+    {
+        try {
+            $this->indexerFactory->getIndexer($identifier)->delete();
+            $this->outputLine('Default configured indices were deleted via ' . $identifier . '.');
+        } catch (NoMatchingIndexerException $e) {
+            $this->outputLine('No indexer found for: ' . $identifier);
+        }
+    }
 }

Tests/Unit/Command/IndexCommandControllerTest.php

@@ -112,6 +112,27 @@ class IndexCommandControllerTest extends AbstractUnitTestCase
         $this->subject->deleteCommand('allowedTable');
     }
 
+    /**
+     * @test
+     */
+    public function flushIsPossible()
+    {
+        $indexerMock = $this->getMockBuilder(TcaIndexer::class)
+            ->disableOriginalConstructor()
+            ->getMock();
+        $this->subject->expects($this->once())
+            ->method('outputLine')
+            ->with('Default configured indices were deleted via pages.');
+        $this->indexerFactory->expects($this->once())
+            ->method('getIndexer')
+            ->with('pages')
+            ->will($this->returnValue($indexerMock));
+
+        $indexerMock->expects($this->once())
+            ->method('delete');
+        $this->subject->flushCommand('pages');
+    }
+
     /**
      * @test
      */