99 lines
3.8 KiB
C#
99 lines
3.8 KiB
C#
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using FurnitureAssemblyContracts.BindingModels;
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using FurnitureAssemblyContracts.ViewModels;
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using FurnitureAssemblyDataModels.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 FurnitureAssemblyDatabaseImplement.Models
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{
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public class Furniture : IFurnitureModel
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{
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public int Id { get; set; }
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[Required]
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public string FurnitureName { 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)>? _furnitureComponents = null;
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[NotMapped]
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public Dictionary<int, (IComponentModel, int)> FurnitureComponents
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{
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get
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{
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if (_furnitureComponents == null)
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{
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_furnitureComponents = 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 _furnitureComponents;
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}
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}
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[ForeignKey("FurnitureId")]
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public virtual List<FurnitureComponent> Components { get; set; } = new();
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[ForeignKey("FurnitureId")]
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public virtual List<Order> Orders { get; set; } = new();
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public static Furniture Create(FurnitureAssemblyDatabase context, FurnitureBindingModel model)
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{
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return new Furniture()
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{
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Id = model.Id,
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FurnitureName = model.FurnitureName,
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Price = model.Price,
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Components = model.FurnitureComponents.Select(x => new FurnitureComponent
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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(FurnitureBindingModel model)
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{
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FurnitureName = model.FurnitureName;
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Price = model.Price;
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}
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public FurnitureViewModel GetViewModel => new()
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{
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Id = Id,
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FurnitureName = FurnitureName,
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Price = Price,
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FurnitureComponents = FurnitureComponents
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};
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public void UpdateComponents(FurnitureAssemblyDatabase context, FurnitureBindingModel model)
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{
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var furnitureComponents = context.FurnitureComponents.Where(rec => rec.FurnitureId == model.Id).ToList();
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if (furnitureComponents != null && furnitureComponents.Count > 0)
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{ // удалили те, которых нет в модели
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context.FurnitureComponents.RemoveRange(furnitureComponents.Where(rec
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=> !model.FurnitureComponents.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 furnitureComponents)
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{
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updateComponent.Count = model.FurnitureComponents[updateComponent.ComponentId].Item2;
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model.FurnitureComponents.Remove(updateComponent.ComponentId);
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}
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context.SaveChanges();
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}
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var furniture = context.Furnitures.First(x => x.Id == Id);
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foreach (var pc in model.FurnitureComponents)
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{
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context.FurnitureComponents.Add(new FurnitureComponent
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{
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Furniture = furniture,
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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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_furnitureComponents = null;
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}
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}
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}
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