104 lines
3.6 KiB
C#
104 lines
3.6 KiB
C#
using TravelCompanyContracts.BindingModels;
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using TravelCompanyContracts.ViewModels;
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using TravelCompanyDataModels.Models;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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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 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, (IComponentModel, int)>? _TravelComponents =
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null;
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[NotMapped]
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public Dictionary<int, (IComponentModel, int)> TravelComponents
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{
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get
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{
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if (_TravelComponents == null)
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{
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_TravelComponents = Components
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.ToDictionary(recPC => recPC.ComponentId, recPC =>
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(recPC.Component as IComponentModel, recPC.Count));
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}
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return _TravelComponents;
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}
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}
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[ForeignKey("TravelId")]
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public virtual List<TravelComponent> Components { get; set; } = new();
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[ForeignKey("TravelId")]
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public virtual List<Order> Orders { 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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Components = model.TravelComponents.Select(x => new
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TravelComponent
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{
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Component = context.Components.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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TravelComponents = TravelComponents
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};
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public void UpdateComponents(TravelCompanyDataBase context,
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TravelBindingModel model)
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{
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var TravelComponents = context.TravelComponents.Where(rec =>
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rec.TravelId == model.Id).ToList();
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if (TravelComponents != null && TravelComponents.Count > 0)
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{
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context.TravelComponents.RemoveRange(TravelComponents.Where(rec
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=> !model.TravelComponents.ContainsKey(rec.ComponentId)));
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context.SaveChanges();
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foreach (var updateComponent in TravelComponents)
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{
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updateComponent.Count =
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model.TravelComponents[updateComponent.ComponentId].Item2;
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model.TravelComponents.Remove(updateComponent.ComponentId);
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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.TravelComponents)
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{
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context.TravelComponents.Add(new TravelComponent
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{
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Travel = Travel,
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Component = context.Components.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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_TravelComponents = null;
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}
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}
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}
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