121 lines
4.2 KiB
C#
121 lines
4.2 KiB
C#
using CanteenDataModels.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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using CanteenContracts.BindingModels;
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using CanteenContracts.View;
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using CanteenDataModels.Enums;
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namespace CanteenDatabaseImplement.Models
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{
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public class Lunch : ILunchModel
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{
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public int Id { get; private set; }
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[Required]
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public int VisitorId { get; private set; }
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[Required]
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public string LunchName { get; private set; } = string.Empty;
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public double Sum { get; private set; }
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[Required]
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public LunchStatus Status { get; private set; } = LunchStatus.Создан;
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[Required]
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public DateTime DateCreate { get; private set; } = DateTime.Now;
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public DateTime? DateImplement { get; private set; }
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private Dictionary<int, (IProductModel, int)>? _lunchProducts = null;
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[NotMapped]
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public Dictionary<int, (IProductModel, int)> LunchProducts
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{
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get
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{
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if (_lunchProducts == null)
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{
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_lunchProducts = Products.ToDictionary(record => record.ProductId, record => (record.Product as IProductModel, record.CountProducts));
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}
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return _lunchProducts;
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}
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}
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[ForeignKey("LunchId")]
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public virtual List<LunchProduct> Products { get; set; } = new();
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[ForeignKey("LunchId")]
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public virtual List<LunchOrder> Orders { get; set; } = new();
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public virtual Visitor Visitor { get; set; }
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public static Lunch? Create(CanteenDatabase context, LunchBindingModel model)
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{
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return new Lunch()
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{
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Id = model.Id,
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VisitorId = model.VisitorId,
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LunchName = model.LunchName,
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Sum = model.Sum,
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Status = model.Status,
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DateCreate = model.DateCreate,
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DateImplement = model.DateImplement,
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Products = model.LunchProducts.Select(x => new LunchProduct
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{
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Product = context.Products.First(y => y.Id == x.Key),
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CountProducts = x.Value.Item2
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}).ToList()
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};
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}
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public void Update(LunchBindingModel model)
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{
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LunchName = model.LunchName;
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Sum = model.Sum;
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Status = model.Status;
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DateImplement = model.DateImplement;
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}
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public LunchViewModel GetViewModel => new()
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{
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Id = Id,
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VisitorId = VisitorId,
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LunchName = LunchName,
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Sum = Sum,
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Status = Status,
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DateCreate = DateCreate,
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DateImplement = DateImplement,
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LunchProducts = LunchProducts
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};
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public void UpdateProducts(CanteenDatabase context, LunchBindingModel model)
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{
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var lunchProducts = context.LunchProduct.Where(record => record.LunchId == model.Id).ToList();
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if (lunchProducts != null && lunchProducts.Count > 0)
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{
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context.LunchProduct.RemoveRange(lunchProducts.Where(record => !model.LunchProducts.ContainsKey(record.ProductId)));
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context.SaveChanges();
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foreach (var updateProduct in lunchProducts)
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{
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updateProduct.CountProducts = model.LunchProducts[updateProduct.ProductId].Item2;
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model.LunchProducts.Remove(updateProduct.ProductId);
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}
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context.SaveChanges();
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}
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var lunch = context.Lunches.First(x => x.Id == Id);
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foreach (var pp in model.LunchProducts)
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{
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context.LunchProduct.Add(new LunchProduct
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{
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Lunch = lunch,
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Product = context.Products.First(x => x.Id == pp.Key),
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CountProducts = pp.Value.Item2
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});
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context.SaveChanges();
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}
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_lunchProducts = null;
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}
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}
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}
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