102 lines
3.8 KiB
C#
102 lines
3.8 KiB
C#
using LawFirmDataModels.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 LawFirmContracts.BindingModels;
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using LawFirmContracts.ViewModels;
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namespace LawFirmDatabaseImplement.Models
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{
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public class Document : IDocumentModel
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{
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public int Id { get; set; }
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[Required]
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public string DocumentName { 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)>? _documentComponents =
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null;
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[NotMapped]
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public Dictionary<int, (IComponentModel, int)> DocumentComponents
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{
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get
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{
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if (_documentComponents == null)
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{
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_documentComponents = 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 _documentComponents;
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}
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}
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[ForeignKey("DocumentId")]
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public virtual List<DocumentComponent> Components { get; set; } = new();
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[ForeignKey("DocumentId")]
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public virtual List<Order> Orders { get; set; } = new();
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public static Document Create(LawFirmDatabase context,
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DocumentBindingModel model)
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{
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return new Document()
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{
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Id = model.Id,
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DocumentName = model.DocumentName,
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Price = model.Price,
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Components = model.DocumentComponents.Select(x => new
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DocumentComponent
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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(DocumentBindingModel model)
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{
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DocumentName = model.DocumentName;
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Price = model.Price;
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}
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public DocumentViewModel GetViewModel => new()
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{
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Id = Id,
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DocumentName = DocumentName,
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Price = Price,
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DocumentComponents = DocumentComponents
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};
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public void UpdateComponents(LawFirmDatabase context,
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DocumentBindingModel model)
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{
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var documentComponents = context.DocumentComponents.Where(rec => rec.DocumentId == model.Id).ToList();
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if (documentComponents != null && documentComponents.Count > 0)
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{ // удалили те, которых нет в модели
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context.DocumentComponents.RemoveRange(documentComponents.Where(rec
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=> !model.DocumentComponents.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 documentComponents)
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{
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updateComponent.Count = model.DocumentComponents[updateComponent.ComponentId].Item2;
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model.DocumentComponents.Remove(updateComponent.ComponentId);
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}
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context.SaveChanges();
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}
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var document = context.Documents.First(x => x.Id == Id);
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foreach (var pc in model.DocumentComponents)
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{
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context.DocumentComponents.Add(new DocumentComponent
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{
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Document = document,
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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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_documentComponents = null;
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}
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}
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}
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