107 lines
3.3 KiB
C#
107 lines
3.3 KiB
C#
using RouteGuideContracts.BindingModels;
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using RouteGuideContracts.ViewModels;
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using RouteGuideDataModels.Models;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations.Schema;
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using System.ComponentModel.DataAnnotations;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace RouteGuideDatabaseImplements.Models
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{
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public class Route : IRouteModel
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{
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public int Id { get; private set; }
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[Required]
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public string Name { get; private set; } = string.Empty;
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Dictionary<int, (IStopModel, int)>? _routeStops = null;
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[NotMapped]
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public Dictionary<int, (IStopModel, int)> RouteStops
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{
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get
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{
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if (_routeStops == null)
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{
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_routeStops = Stops.ToDictionary(recPC => recPC.StopId, recPC => (recPC.Stop as IStopModel, recPC.Number));
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}
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return _routeStops;
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}
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}
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[ForeignKey("RouteId")]
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public virtual List<RouteStop> Stops { get; set; } = new();
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public static Route Create(RouteGuideDatabase context, RouteBindingModel model)
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{
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return new Route()
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{
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Id = model.Id,
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Name = model.Name,
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Stops = model.RouteStops.Select(x => new RouteStop
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{
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Stop = context.Stops.First(y => y.Id == x.Key),
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Number = x.Value.Item2
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}).ToList()
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};
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}
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public void Update(RouteBindingModel model)
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{
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Name = model.Name;
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}
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public RouteViewModel GetViewModel
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{
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get
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{
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using var context = new RouteGuideDatabase();
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return new RouteViewModel
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{
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Id = Id,
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Name = Name,
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RouteStops = RouteStops
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};
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}
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}
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public void UpdateStops(RouteGuideDatabase context, RouteBindingModel model)
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{
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var routeStops = context.RoutesStops.Where(rec => rec.RouteId == model.Id).ToList();
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if (routeStops != null && routeStops.Count > 0)
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{ // удалили те, которых нет в модели
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context.RoutesStops.RemoveRange(routeStops.Where(rec => !model.RouteStops.ContainsKey(rec.StopId)));
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context.SaveChanges();
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// обновили количество у существующих записей
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foreach (var updateStop in routeStops)
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{
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updateStop.Number = model.RouteStops[updateStop.StopId].Item2;
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model.RouteStops.Remove(updateStop.StopId);
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}
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context.SaveChanges();
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}
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var route = context.Routes.First(x => x.Id == Id);
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foreach (var pc in model.RouteStops)
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{
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context.RoutesStops.Add(new RouteStop
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{
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Route = route,
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Stop = context.Stops.First(x => x.Id == pc.Key),
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Number = pc.Value.Item2
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});
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context.SaveChanges();
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}
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_routeStops = null;
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}
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}
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}
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