104 lines
3.6 KiB
C#
104 lines
3.6 KiB
C#
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using SchoolAgainStudyContracts.BindingModel;
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using SchoolAgainStudyContracts.ViewModel;
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using SchoolAgainStudyDataModels.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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namespace SchoolAgainStudyDataBaseImplements.Models
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{
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public class Product : IProduct
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{
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[Required]
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public string Title { get; set; } = string.Empty;
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[Required]
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public string Description { get; set; } = string.Empty;
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[Required]
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public DateTime DateCreate { get; set; }
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public int StudentId { get; set; }
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private Dictionary<int, IInterest>? _ProductInterests = null;
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[NotMapped]
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public Dictionary<int, IInterest> ProductInterests
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{
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get
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{
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if (_ProductInterests == null)
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{
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_ProductInterests = Interests
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.ToDictionary(recPC => recPC.InterestId, recPC => (recPC.Interest as IInterest));
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}
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return _ProductInterests;
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}
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}
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public int Id { get; set; }
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[ForeignKey("ProductId")]
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public virtual List<ProductInterest> Interests { get; set; } = new();
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[ForeignKey("ProductId")]
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public virtual List<Lesson> Lessons { get; set; } = new();
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public static Product Create(SchoolDataBase context, ProductBindingModel model)
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{
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return new Product()
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{
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Id = model.Id,
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Title = model.Title,
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Description = model.Description,
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DateCreate = model.DateCreate,
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StudentId = model.StudentId,
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Interests = model.ProductInterests.Select(x => new ProductInterest
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{
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Interest = context.Interests.First(y => y.Id == x.Key),
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}).ToList()
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};
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}
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public void Update(ProductBindingModel model)
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{
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Title = model.Title;
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Description = model.Description;
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DateCreate = model.DateCreate;
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}
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public ProductViewModel GetViewModel => new()
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{
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Id = Id,
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Title = Title,
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Description = Description,
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DateCreate = DateCreate,
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StudentId = StudentId,
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ProductInterests = ProductInterests
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};
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public void UpdateInterests(SchoolDataBase context, ProductBindingModel model)
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{
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var productInterests = context.ProductInterests.Where(rec => rec.ProductId == model.Id).ToList();
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if (productInterests != null && productInterests.Count > 0)
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{
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context.ProductInterests.RemoveRange(productInterests.Where(rec => !model.ProductInterests.ContainsKey(rec.InterestId)));
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context.SaveChanges();
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foreach (var updateInterest in productInterests)
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{
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model.ProductInterests.Remove(updateInterest.InterestId);
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}
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context.SaveChanges();
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}
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var product = context.Products.First(x => x.Id == Id);
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foreach (var pc in model.ProductInterests)
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{
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context.ProductInterests.Add(new ProductInterest
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{
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Product = product,
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Interest = context.Interests.First(x => x.Id == pc.Key),
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});
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context.SaveChanges();
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}
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_ProductInterests = null;
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}
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}
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}
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