Handling if cost planning < 0

app/Models/Activity.php

@@ -127,6 +127,13 @@ class Activity extends Model
 		if($parent = Activity::find($this->parent_id)){
 			$parentActWeight = $parent->bobot_planning;
 
+			if ($parentActWeight == 0) {
+				$parent->update([
+					"persentase_progress" => 0
+				]);
+				return;
+			}
+
 			$totalChildProportionalProgress = 0;
 			$childs = Activity::where("parent_id", $parent->id)->get();
 			foreach($childs as $child){

app/Models/UserToActivity.php

@@ -50,6 +50,9 @@ class UserToActivity extends Model
 			}
 
 			$activity->rencana_biaya -= $salary;
+			if ($activity->rencana_biaya < 0) {
+				$activity->rencana_biaya = 0;
+			}
 			$activity->save();
 		});