SUBD_SchoolSchedule/SchoolSchedule/SchoolScheduleDataBaseImplement/Implements/SubjectStorage.cs
2024-04-08 22:02:19 +04:00

92 lines
2.4 KiB
C#

using SchoolScheduleContracts.BindingModels;
using SchoolScheduleContracts.SearchModels;
using SchoolScheduleContracts.StoragesContracts;
using SchoolScheduleContracts.ViewModels;
using SchoolScheduleDataBaseImplement.Models;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace SchoolScheduleDataBaseImplement.Implements
{
public class SubjectStorage : ISubjectStorage
{
public List<SubjectViewModel> GetFullList()
{
using var context = new SchoolScheduleDataBase();
return context.Subjects
.Select(x => x.GetViewModel)
.ToList();
}
public List<SubjectViewModel> GetFilteredList(SubjectSearchModel
model)
{
if (string.IsNullOrEmpty(model.SubjectName))
{
return new();
}
using var context = new SchoolScheduleDataBase();
return context.Subjects
.Where(x => x.SubjectName.Contains(model.SubjectName))
.Select(x => x.GetViewModel)
.ToList();
}
public SubjectViewModel? GetElement(SubjectSearchModel model)
{
if (string.IsNullOrEmpty(model.SubjectName) && !model.Id.HasValue)
{
return null;
}
using var context = new SchoolScheduleDataBase();
return context.Subjects
.FirstOrDefault(x =>
(!string.IsNullOrEmpty(model.SubjectName) && x.SubjectName ==
model.SubjectName) ||
(model.Id.HasValue && x.Id == model.Id))
?.GetViewModel;
}
public SubjectViewModel? Insert(SubjectBindingModel model)
{
using var context = new SchoolScheduleDataBase();
var newComponent = Subject.Create(context, model);
if (newComponent == null)
{
return null;
}
context.Subjects.Add(newComponent);
context.SaveChanges();
return newComponent.GetViewModel;
}
public SubjectViewModel? Update(SubjectBindingModel model)
{
using var context = new SchoolScheduleDataBase();
var component = context.Subjects.FirstOrDefault(x => x.Id ==
model.Id);
if (component == null)
{
return null;
}
component.Update(context, model);
context.SaveChanges();
return component.GetViewModel;
}
public SubjectViewModel? Delete(SubjectBindingModel model)
{
using var context = new SchoolScheduleDataBase();
var element = context.Subjects.FirstOrDefault(rec => rec.Id ==
model.Id);
if (element != null)
{
context.Subjects.Remove(element);
context.SaveChanges();
return element.GetViewModel;
}
return null;
}
}
}