82 lines
2.8 KiB
C#
82 lines
2.8 KiB
C#
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using UniversityContracts.BindingModels;
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using UniversityContracts.ViewModels;
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using UniversityDataModels;
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using System.ComponentModel.DataAnnotations;
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using UniversityDataModels.ProxyModels;
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namespace UniversityDatabaseImplement.Models
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{
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public class Cost : ICostModel
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{
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[Required]
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public int EmployeeId { get; private set; }
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[Required]
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public string NameOfCost { get; private set; } = string.Empty;
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public int Id { get; private set; }
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[Required]
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public double Price { get; private set; }
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private Dictionary<int, CostByPurchaseModel>? _cachedPurchases;
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public Dictionary<int, CostByPurchaseModel> PurchasesModels => _cachedPurchases ??= Purchases.Select(x => (CostByPurchaseModel)x).ToDictionary(x => x.PurchaseId, x => x);
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[Required]
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public Employee? Employee { get; private set; }
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[Required]
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public List<CostByPurchase> Purchases { get; private set; } = new();
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public static Cost Create(CostBindingModel model)
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{
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if (model == null)
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{
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return null;
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}
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return new Cost()
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{
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EmployeeId = model.EmployeeId,
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NameOfCost = model.NameOfCost,
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Price = model.Price,
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//PurchasesModels = model.PurchasesModels,
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Id = model.Id
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};
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}
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public CostViewModel GetViewModel => new()
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{
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PhoneNumber = Employee?.PhoneNumber??string.Empty,
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PurchaseModels = PurchasesModels,
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EmployeeId = EmployeeId,
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NameOfCost = NameOfCost,
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Price = Price,
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Id = Id
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};
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public void Update(CostBindingModel model)
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{
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NameOfCost = model.NameOfCost;
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Price = model.Price;
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}
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/// <summary>
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/// Привязка статей затрат к покупкам
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/// </summary>
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public void UpdatePurchases(UniversityDB context, CostBindingModel model)
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{
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var oldPurchases = context.CostByPurchases.Where(x => x.CostId == model.Id).ToDictionary(x => x.PurchaseId, x => x);
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var newPurchases = model.PurchasesModels.ToDictionary(
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x => x.Key,
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x => new CostByPurchase()
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{
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CostId = model.Id,
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PurchaseId = x.Key,
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Count = x.Value.Count,
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}
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);
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context.RemoveRange(oldPurchases.Where(x => !newPurchases.ContainsKey(x.Key)).Select(x => x.Value));
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context.AddRange (newPurchases.Where(x => !oldPurchases.ContainsKey(x.Key)).Select(x => x.Value));
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oldPurchases.Where(x => newPurchases.ContainsKey(x.Key))
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.Select(x => x.Value).ToList()
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.ForEach(x => x.Count = newPurchases[x.PurchaseId].Count);
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context.SaveChanges();
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_cachedPurchases = null;
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}
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}
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}
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