reallife-gamemode/ReallifeGamemode.Server/Managers/HouseManager.cs

using GTANetworkAPI;
using Microsoft.EntityFrameworkCore;
using ReallifeGamemode.Server.Entities;
using ReallifeGamemode.Server.Extensions;
using ReallifeGamemode.Server.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ReallifeGamemode.Server.Managers
{
    class HouseManager
    {
        private static readonly Dictionary<int, NetHandle> houseMarkers = new Dictionary<int, NetHandle>();
        private static readonly Dictionary<int, NetHandle> houseLabels = new Dictionary<int, NetHandle>();

        public static void LoadHouses()
        {
            using(var dbContext = new DatabaseContext())
            {
                foreach (House house in dbContext.Houses.Include(h => h.User))
                {
                    LoadHouse(house);
                }
            }
        }

        public static House GetNearHouse(Vector3 position, DatabaseContext dbContext = null)
        {
            if(dbContext == null)
            {
                using (dbContext = new DatabaseContext())
                {
                    return dbContext.Houses.Where(h => h.Position.DistanceTo(position) <= 5f).FirstOrDefault();
                }
            }
            else
            {
                return dbContext.Houses.Where(h => h.Position.DistanceTo(position) <= 5f).FirstOrDefault();
            }
        }

        public void AddHouse(string type, int price, Vector3 position)
        {
            using (var dbContext = new DatabaseContext())
            {
                var house = new House()
                {
                    Price = price,
                    Type = type,
                    X = position.X,
                    Y = position.Y,
                    Z = position.Z
                };

                dbContext.Houses.Add(house);
                dbContext.SaveChanges();

                LoadHouse(house);
            }
        }

        public static void LoadHouse(House house)
        {
            houseMarkers[house.Id] = NAPI.Marker.CreateMarker(MarkerType.VerticalCylinder, house.Position.Subtract(new Vector3(0, 0, 1.7)), new Vector3(), new Vector3(), 1.6f, new Color(255, 255, 255));
            string text = $"~g~Zum Verkauf\n~s~{house.Type}\nPreis: ~y~{house.Price.ToMoneyString()}";
            if(house.User != null)
            {
                text = $"{house.Type}\n~s~Besitzer: ~y~{house.User.Name}";
            }
            houseLabels[house.Id] = NAPI.TextLabel.CreateTextLabel(text, house.Position, 10f, 1f, 0, new Color(255, 255, 255));
        }

        public static void RemoveHouse(House house)
        {
            houseMarkers[house.Id].Entity<Marker>().Delete();
            houseLabels[house.Id].Entity<TextLabel>().Delete();

            houseMarkers.Remove(house.Id);
            houseLabels.Remove(house.Id);
        }
    }
}