96 lines
3.6 KiB
C#
96 lines
3.6 KiB
C#
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using FishFactoryContracts.BindingModels;
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using FishFactoryContracts.ViewModels;
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using FishFactoryDataModels.Models;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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namespace FishFactoryDatabaseImplement.Models
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{
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public class Canned : ICannedModel
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{
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public int Id { get; set; }
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[Required]
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public string CannedName { 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)>? _cannedComponents =
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null;
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[NotMapped]
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public Dictionary<int, (IComponentModel, int)> CannedComponents
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{
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get
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{
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if (_cannedComponents == null)
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{
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_cannedComponents = 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 _cannedComponents;
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}
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}
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[ForeignKey("CannedId")]
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public virtual List<CannedComponent> Components { get; set; } = new();
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[ForeignKey("CannedId")]
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public virtual List<Order> Orders { get; set; } = new();
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public static Canned
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Create(FishFactoryDatabase context,CannedBindingModel model)
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{
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return new Canned()
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{
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Id = model.Id,
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CannedName = model.CannedName,
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Price = model.Price,
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Components = model.CannedComponents.Select(x => new
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CannedComponent
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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(CannedBindingModel model)
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{
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CannedName = model.CannedName;
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Price = model.Price;
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}
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public CannedViewModel GetViewModel => new()
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{
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Id = Id,
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CannedName = CannedName,
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Price = Price,
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CannedComponents = CannedComponents
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};
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public void UpdateComponents(FishFactoryDatabase context,
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CannedBindingModel model)
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{
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var cannedComponents = context.CannedComponents.Where(rec =>
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rec.CannedId == model.Id).ToList();
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if (cannedComponents != null && cannedComponents.Count > 0)
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{ // удалили те, которых нет в модели
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context.CannedComponents.RemoveRange(cannedComponents.Where(rec
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=> !model.CannedComponents.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 cannedComponents)
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{
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updateComponent.Count =
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model.CannedComponents[updateComponent.ComponentId].Item2;
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model.CannedComponents.Remove(updateComponent.ComponentId);
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}
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context.SaveChanges();
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}
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var canned = context.Canneds.First(x => x.Id == Id);
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foreach (var pc in model.CannedComponents)
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{
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context.CannedComponents.Add(new CannedComponent
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{
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Canned = canned,
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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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_cannedComponents = null;
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}
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}
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}
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