PIbd-22_Filippov_D.S._Cours.../VeterinaryDatabaseImplement/Implements/DrugStorage.cs
2024-05-30 07:33:38 +04:00

123 lines
3.2 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using VeterinaryContracts.StorageContracts;
using VeterinaryContracts.BindingModels;
using VeterinaryContracts.SearchModels;
using VeterinaryContracts.ViewModels;
using VeterinaryDatabaseImplement.Models;
using Microsoft.EntityFrameworkCore;
using VeterinaryDataModels;
namespace VeterinaryDatabaseImplement.Implements
{
public class DrugStorage : IDrugStorage
{
public List<DrugViewModel> GetFullList()
{
using var context = new VeterinaryDatabase();
return context.Drugs
.Include(x => x.Services)
.ThenInclude(x => x.Service)
.ToList()
.Select(x => x.GetViewModel)
.ToList();
}
public List<DrugViewModel> GetFilteredList(DrugSearchModel model)
{
using var context = new VeterinaryDatabase();
return context.Drugs.Where(x => x.DoctorId == model.DoctorId).Include(x => x.Services)
.ThenInclude(x => x.Service)
.Where(x => String.IsNullOrEmpty(model.DrugName) || x.DrugName.Contains(model.DrugName) &&
(!model.DateCreate.HasValue || x.DateCreate >= model.DateCreate))
.ToList()
.Select(x => x.GetViewModel)
.ToList();
}
public DrugViewModel? GetElement(DrugSearchModel model)
{
if (string.IsNullOrEmpty(model.DrugName) &&
!model.Id.HasValue)
{
return null;
}
using var context = new VeterinaryDatabase();
return context.Drugs.Include(x => x.Doctor)
.Include(x => x.Services)
.ThenInclude(x => x.Service)
.FirstOrDefault(x => (!string.IsNullOrEmpty(model.DrugName) &&
x.DrugName == model.DrugName) ||
(model.Id.HasValue && x.Id ==
model.Id))
?.GetViewModel;
}
public DrugViewModel? Insert(DrugBindingModel model)
{
using var context = new VeterinaryDatabase();
var newDrug = Drug.Create(context, model);
if (newDrug == null)
{
return null;
}
context.Drugs.Add(newDrug);
context.SaveChanges();
return newDrug.GetViewModel;
}
public DrugViewModel? Update(DrugBindingModel model)
{
using var context = new VeterinaryDatabase();
using var transaction = context.Database.BeginTransaction();
try
{
var drug = context.Drugs.FirstOrDefault(rec =>
rec.Id == model.Id);
if (drug == null)
{
return null;
}
drug.UpdateMedications(context, model); // работает
context.SaveChanges();
drug.Update(model);// не работает сумма
context.SaveChanges();
transaction.Commit();
return drug.GetViewModel;
}
catch
{
transaction.Rollback();
throw;
}
}
public DrugViewModel? Delete(DrugBindingModel model)
{
using var context = new VeterinaryDatabase();
var element = context.Drugs
.Include(x => x.Services)
.FirstOrDefault(rec => rec.Id == model.Id);
if (element != null)
{
context.Drugs.Remove(element);
context.SaveChanges();
return element.GetViewModel;
}
return null;
}
public bool SellDrugs(DrugBindingModel model, int count)
{
if (model == null)
return false;
using var context = new VeterinaryDatabase();
if (model.Count < count)
return false;
else
model.Count -= count;
context.SaveChanges();
return true;
}
}
}