99 lines
3.7 KiB
C#
99 lines
3.7 KiB
C#
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using ConfectioneryDataModels.Models;
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using ConfectioneryContracts.BindingModels;
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using ConfectioneryContracts.ViewModels;
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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 ConfectioneryDatabaseImplement.Models
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{
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public class Pastry : IPastryModel
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{
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public int Id { get; set; }
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[Required]
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public string PastryName { 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)>? _pastryComponents = null;
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[NotMapped]
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public Dictionary<int, (IComponentModel, int)> PastryComponents
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{
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get
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{
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if (_pastryComponents == null)
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{
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_pastryComponents = 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 _pastryComponents;
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}
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}
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[ForeignKey("PastryId")]
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public virtual List<PastryComponent> Components { get; set; } = new();
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[ForeignKey("PastryId")]
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public virtual List<Order> Orders { get; set; } = new();
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public static Pastry Create(ConfectioneryDatabase context, PastryBindingModel model)
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{
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return new Pastry()
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{
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Id = model.Id,
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PastryName = model.PastryName,
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Price = model.Price,
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Components = model.PastryComponents.Select(x => new
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PastryComponent
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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(PastryBindingModel model)
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{
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PastryName = model.PastryName;
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Price = model.Price;
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}
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public PastryViewModel GetViewModel => new()
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{
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Id = Id,
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PastryName = PastryName,
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Price = Price,
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PastryComponents = PastryComponents
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};
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public void UpdateComponents(ConfectioneryDatabase context, PastryBindingModel model)
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{
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var pastryComponents = context.PastryComponents.Where(rec => rec.PastryId == model.Id).ToList();
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if (pastryComponents != null && pastryComponents.Count > 0)
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{ // удалили те, которых нет в модели
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context.PastryComponents.RemoveRange(pastryComponents.Where(rec => !model.PastryComponents.ContainsKey(rec.ComponentId)));
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context.SaveChanges();
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// обновили количество у существующих записей
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foreach (var updateComponent in pastryComponents)
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{
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updateComponent.Count =
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model.PastryComponents[updateComponent.ComponentId].Item2;
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model.PastryComponents.Remove(updateComponent.ComponentId);
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}
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context.SaveChanges();
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}
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var pastry = context.Pastries.First(x => x.Id == Id);
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foreach (var pc in model.PastryComponents)
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{
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context.PastryComponents.Add(new PastryComponent
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{
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Pastry = pastry,
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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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_pastryComponents = null;
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}
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}
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}
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