Add /eat command

Server/Managers/InventoryManager.cs

@@ -1,5 +1,7 @@
 using GTANetworkAPI;
 using reallife_gamemode.Model;
+using reallife_gamemode.Server.Commands;
+using reallife_gamemode.Server.Entities;
 using reallife_gamemode.Server.Inventory.Interfaces;
 using System;
 using System.Collections.Generic;
@@ -45,5 +47,28 @@ namespace reallife_gamemode.Server.Managers
         {
             return itemList.Find(i => i.Id == id);
         }
+
+        public static IItem GetItemByName(string name)
+        {
+            return itemList.Find(i => i.Name == name);
+        }
+
+        public static void RemoveUserItem(Entities.User user, UserItem item)
+        {
+            using (var dbContext = new DatabaseContext())
+            {
+                var userItem = dbContext.UserItems.FirstOrDefault(i => i.Id == item.Id);
+
+                userItem.Amount--;
+
+                dbContext.SaveChanges();
+
+                if(userItem.Amount == 0)
+                {
+                    dbContext.Remove(userItem);
+                    dbContext.SaveChanges();
+                }
+            }
+        }
     }
 }