151 lines
4.8 KiB
C#
151 lines
4.8 KiB
C#
using HospitalContracts.BindingModels;
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using HospitalContracts.ViewModels;
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using HospitalDataModels.Models;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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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 HospitalDatabaseImplement.Models
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{
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/// <summary>
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/// Сущность "Рецепт"
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/// </summary>
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public class Recipe : IRecipeModel
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{
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/// <summary>
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/// Идентификатор
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/// </summary>
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public int Id { get; private set; }
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/// <summary>
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/// Дата выписки рецепта
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/// </summary>
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[Required]
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public DateTime IssueDate { get; private set; } = DateTime.Now;
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/// <summary>
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/// Идентификатор доктора
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/// </summary>
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[ForeignKey("DoctorId")]
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public int DoctorId { get; private set; }
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/// <summary>
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/// Сущность "Доктор"
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/// </summary>
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public virtual Doctor Doctor { get; private set; } = new();
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/// <summary>
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/// Связь с таблицей связи для сущностей "Рецепт" и "Лекарство"
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/// </summary>
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[ForeignKey("RecipeId")]
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public virtual List<RecipeMedicine> Medicines { get; set; } = new();
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/// <summary>
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/// Список лекарств в рецепте
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/// </summary>
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private Dictionary<int, IMedicineModel>? _recipeMedicines = null;
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/// <summary>
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/// Список лекарств в рецепте
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/// </summary>
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[NotMapped]
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public Dictionary<int, IMedicineModel> RecipeMedicines
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{
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get
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{
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if (_recipeMedicines == null)
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{
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_recipeMedicines = Medicines
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.ToDictionary(recRM => recRM.MedicineId, recRM => (recRM.Medicine as IMedicineModel));
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}
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return _recipeMedicines;
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}
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}
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/// <summary>
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/// Cоздать сущность
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/// </summary>
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/// <param name="context"></param>
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/// <param name="model"></param>
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/// <returns></returns>
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public static Recipe? Create(HospitalDatabase context, RecipeBindingModel 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 Recipe()
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{
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Id = model.Id,
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IssueDate = model.IssueDate,
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DoctorId = model.DoctorId,
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Doctor = context.Doctors
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.First(x => x.Id == model.DoctorId),
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Medicines = model.RecipeMedicines.Select(x => new RecipeMedicine
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{
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Medicine = context.Medicines.First(y => y.Id == x.Key)
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}).ToList()
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};
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}
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/// <summary>
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/// Изменить сущность
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/// </summary>
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/// <param name="model"></param>
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public void Update(RecipeBindingModel model)
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{
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if (model == null)
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{
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return;
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}
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IssueDate = model.IssueDate;
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}
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/// <summary>
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/// Получить модель представления
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/// </summary>
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public RecipeViewModel GetViewModel => new()
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{
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Id = Id,
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IssueDate = IssueDate,
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DoctorId = DoctorId,
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DoctorFullName = Doctor.FullName,
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RecipeMedicines = RecipeMedicines
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};
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/// <summary>
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/// Обновить связи с лекарствами
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/// </summary>
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/// <param name="context"></param>
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/// <param name="model"></param>
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public void UpdateMedicines(HospitalDatabase context, RecipeBindingModel model)
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{
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var recipeMedicines = context.RecipeMedicines.Where(rec => rec.RecipeId == model.Id).ToList();
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if (recipeMedicines != null && recipeMedicines.Count > 0)
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{
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// Удаление лекарств, не относящихся к рецепту
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context.RecipeMedicines.RemoveRange(recipeMedicines.Where(rec => !model.RecipeMedicines.ContainsKey(rec.MedicineId)));
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context.SaveChanges();
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}
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var recipe = context.Recipes.First(x => x.Id == Id);
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foreach (var rm in model.RecipeMedicines)
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{
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context.RecipeMedicines.Add(new RecipeMedicine
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{
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Recipe = recipe,
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Medicine = context.Medicines.First(x => x.Id == rm.Key)
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});
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context.SaveChanges();
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}
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_recipeMedicines = null;
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}
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}
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}
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