Report date validation

app/Http/Controllers/ReportActivityMaterialController.php

@@ -23,18 +23,24 @@ class ReportActivityMaterialController extends Controller
 			'qty'                   => 'required'
 		]);
 
+		$activity = Activity::where('id', $request->activity_id)->first();
+
+		$start_date = $activity->start_date;
+		$start_date = substr($start_date, 0, 19); // remove the timezone offset
+		$startDate = new \DateTime(date("Y-m-d", strtotime($start_date)));
+		$reportDate = new \DateTime(date("Y-m-d", strtotime($request->report_date)));
+		
 		$data = $request->all();
 		$data['created_by'] = $this->currentName;
 		/* $data['assign_material_id'] = AssignMaterial::where('activity_id', $request->activity_id)->pluck('id')->first(); */
 		$data['assign_material_id'] = $request->assign_material_id;
 		$data['qty'] = $this->sanitizeDecimal($data['qty']);
-
+		if($reportDate > $startDate){
 			$created = ReportActivityMaterial::create($data);
-
-		if(!$created)
-			return response()->json(['status'=>'failed','message'=>'Input progress report activity failed created','code'=>400,'data'=>null]);
-
 			return response()->json(['status'=>'success','message'=>'Input progress report activity created','code'=>200,'data'=>array('report_id'=>$created->id)]);
+		}	else {
+			return response()->json(['status'=>'failed','message'=>'Input progress report activity failed created','code'=>400,'data'=>null], 400);
+		}	
 	}
 
 	public function updateStatusStartFinish(Request $request){