Make customers deletable and recoverable.

app/Http/Controllers/Api/CustomerController.php

@@ -18,6 +18,14 @@ class CustomerController extends Controller
         return response()->json(Customer::with(['address', 'delivery'])->orderBy('name')->get());
     }
 
+    /**
+     * Display a listing of the resource.
+     */
+    public function withTrashed(): JsonResponse
+    {
+        return response()->json(Customer::with(['address', 'delivery'])->withTrashed()->orderBy('name')->get());
+    }
+
     /**
      * Store a newly created resource in storage.
      */
@@ -66,4 +74,14 @@ class CustomerController extends Controller
 
         return response()->json(null, 204);
     }
+
+    /**
+     * Restore the specified resource.
+     */
+    public function restore(int $id): JsonResponse
+    {
+        $customer = Customer::withTrashed()->findOrFail($id)->restore();
+
+        return response()->json($customer);
+    }
 }

app/Models/Invoice.php

@@ -99,7 +99,7 @@ class Invoice extends Model
      */
     public function customer(): BelongsTo
     {
-        return $this->belongsTo(Customer::class);
+        return $this->belongsTo(Customer::class)->withTrashed();
     }
 
     /**