110 lines
4.2 KiB
C#
110 lines
4.2 KiB
C#
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using PrecastConcretePlantDataModels.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.Diagnostics;
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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 PrecastConcretePlantContracts.BindingModels;
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using PrecastConcretePlantContracts.ViewModels;
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namespace PrecastConcretePlantDatabaseImplement.Models
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{
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public class Reinforced : IReinforcedModel
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{
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public int Id { get; set; }
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[Required]
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public string ReinforcedName { 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)>? _ReinforcedComponents = null;
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[NotMapped]//заполняется при обращеии к гетвьюмодел
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public Dictionary<int, (IComponentModel, int)> ReinforcedComponents
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{
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get
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{
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if (_ReinforcedComponents == null)
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{
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_ReinforcedComponents = 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 _ReinforcedComponents;
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}
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}
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[ForeignKey("ReinforcedId")] //список записей класса-связи
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public virtual List<ReinforcedComponent> Components { get; set; } = new();
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[ForeignKey("ReinforcedId")]
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public virtual List<Order> Orders { get; set; } = new();
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public static Reinforced Create(PrecastConcretePlantDataBase context, ReinforcedBindingModel model)
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{
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return new Reinforced()
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{
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Id = model.Id,
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ReinforcedName = model.ReinforcedName,
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Price = model.Price,
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Components = model.ReinforcedComponents.Select(x =>
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new ReinforcedComponent
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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(ReinforcedBindingModel model)
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{
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ReinforcedName = model.ReinforcedName;
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Price = model.Price;
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}
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public ReinforcedViewModel GetViewModel => new()
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{
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Id = Id,
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ReinforcedName = ReinforcedName,
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Price = Price,
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ReinforcedComponents = ReinforcedComponents
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};
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//метод обновления списка связей(вместо контейнски)
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public void UpdateComponents(PrecastConcretePlantDataBase context, ReinforcedBindingModel model)
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{
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var ReinforcedComponents = context.ReinforcedComponents
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.Where(rec => rec.ReinforcedId == model.Id).ToList();
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if (ReinforcedComponents != null && ReinforcedComponents.Count > 0)
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{ //удаляем те, которых нет в модели
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context.ReinforcedComponents.RemoveRange(ReinforcedComponents
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.Where(rec => !model.ReinforcedComponents.ContainsKey(rec.ComponentId)));
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context.SaveChanges();
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//обновляем кол-во у сущ-х записей
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foreach (var updateComponent in ReinforcedComponents)
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{
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updateComponent.Count =
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model.ReinforcedComponents[updateComponent.ComponentId].Item2;
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model.ReinforcedComponents.Remove(updateComponent.ComponentId);
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}
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context.SaveChanges();
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}
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var Reinforced = context.Reinforceds.First(x => x.Id == Id);
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foreach (var pc in model.ReinforcedComponents)
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{
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context.ReinforcedComponents.Add(new ReinforcedComponent
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{
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Reinforced = Reinforced,
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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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_ReinforcedComponents = null;
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}
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}
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}
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