Add ItemShop, fix ClotheShop Payment, fix Vehicle Respawn, Add Vehicle Lock from outside

ReallifeGamemode.Server/Managers/InventoryManager.cs

@@ -863,5 +863,42 @@ namespace ReallifeGamemode.Server.Managers
       ChatService.SendMessage(target, $"{client.Name} hat deine Anfrage angenommen.");
 
     }
+
+    [RemoteEvent("SERVER:BuyItems")]
+    public void SrvEvent_BuyItem(Client client, string itemName)
+    {
+      IItem shopItem = GetItemByName(itemName);
+
+      using(var dbContext = new DatabaseContext()){
+        User user = client.GetUser(dbContext);
+
+        if (user.Handmoney < shopItem.Price)
+        {
+          client.TriggerEvent("itemMenu:Error");
+          return;
+        } 
+
+        UserItem item = dbContext.UserItems.Where(i => i.ItemId == shopItem.Id && i.UserId == user.Id).FirstOrDefault();
+        if(item == null)
+        {
+          var newItem = new UserItem
+          {
+            ItemId = shopItem.Id,
+            UserId = user.Id,
+            Amount = 1,
+            Slot = -1
+          };
+          dbContext.UserItems.Add(newItem);
+        }
+        else
+        {
+          item.Amount += 1;
+        }
+        user.Handmoney -= shopItem.Price;
+        dbContext.SaveChanges();
+        client.TriggerEvent("SERVER:SET_HANDMONEY", user.Handmoney);
+      }
+
+    }
   }
 }