100 lines
3.7 KiB
C#
100 lines
3.7 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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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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using TravelCompanyContracts.BindingModels;
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using TravelCompanyContracts.ViewModels;
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using TravelCompanyDataModels.Models;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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namespace TravelCompanyDatabaseImplement.Models
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{
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public class Travel : ITravelModel
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{
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public int Id { get; set; }
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[Required]
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public string TravelName { get; set; } = string.Empty;
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[Required]
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public double Price { get; set; }
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private Dictionary<int, (IConditionModel, int)>? _travelConditions = null;
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[NotMapped]
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public virtual List<Order> Orders { get; set; } = new();
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public Dictionary<int, (IConditionModel, int)> TravelConditions
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{
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get
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{
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if (_travelConditions == null)
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{
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_travelConditions = Conditions.ToDictionary(recPC => recPC.ConditionId, recPC =>
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(recPC.Condition as IConditionModel, recPC.Count));
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}
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return _travelConditions;
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}
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}
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[ForeignKey("TravelId")]
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public virtual List<TravelCondition> Conditions { get; set; } = new();
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public static Travel Create(TravelCompanyDatabase context,
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TravelBindingModel model)
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{
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return new Travel()
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{
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Id = model.Id,
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TravelName = model.TravelName,
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Price = model.Price,
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Conditions = model.TravelConditions.Select(x => new
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TravelCondition
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{
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Condition = context.Conditions.First(y => y.Id == x.Key),
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Count = x.Value.Item2
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}).ToList()
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};
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}
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public void Update(TravelBindingModel model)
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{
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TravelName = model.TravelName;
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Price = model.Price;
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}
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public TravelViewModel GetViewModel => new()
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{
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Id = Id,
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TravelName = TravelName,
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Price = Price,
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TravelConditions = TravelConditions
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};
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public void UpdateConditions(TravelCompanyDatabase context,
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TravelBindingModel model)
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{
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var travelConditions = context.TravelConditions.Where(rec => rec.TravelId == model.Id).ToList();
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if (travelConditions != null && travelConditions.Count > 0)
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{ // удалили те, которых нет в модели
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context.TravelConditions.RemoveRange(travelConditions.Where(rec
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=> !model.TravelConditions.ContainsKey(rec.ConditionId)));
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context.SaveChanges();
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// обновили количество у существующих записей
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foreach (var updateCondition in travelConditions)
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{
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updateCondition.Count =
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model.TravelConditions[updateCondition.ConditionId].Item2;
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model.TravelConditions.Remove(updateCondition.ConditionId);
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}
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context.SaveChanges();
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}
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var travel = context.Travels.First(x => x.Id == Id);
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foreach (var pc in model.TravelConditions)
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{
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context.TravelConditions.Add(new TravelCondition
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{
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Travel = travel,
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Condition = context.Conditions.First(x => x.Id == pc.Key),
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Count = pc.Value.Item2
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});
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context.SaveChanges();
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}
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_travelConditions = null;
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}
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}
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}
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