Added prune logic for transaction models

app/Models/ProductionPlan.php

@@ -2,22 +2,26 @@
 
 namespace App\Models;
 
+use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Prunable;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\SoftDeletes;
 
 class ProductionPlan extends Model
 {
+    use Prunable;
     use SoftDeletes;
 
     protected $fillable = [
-        "plant_id",
-        "shift_id",
-        "created_at",
-        "line_id",
-        "plan_quantity",
-        "production_quantity",
-        "operator_id",
+        'plant_id',
+        'shift_id',
+        'line_id',
+        'plan_quantity',
+        'production_quantity',
+        'operator_id',
+        'created_at',
+        'updated_at',
     ];
 
     public function plant(): BelongsTo
@@ -34,4 +38,9 @@ class ProductionPlan extends Model
     {
         return $this->belongsTo(Line::class);
     }
+
+    public function prunable(): Builder
+    {
+        return static::where('created_at', '<=', now()->subMonthsNoOverflow(6));
+    }
 }