112 lines
2.8 KiB
C#

using ForumContracts.BindingModels;
using ForumContracts.SearchModels;
using ForumContracts.StorageContracts;
using ForumContracts.ViewModels;
using ForumDatabaseImplement.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ForumDatabaseImplement.Implements
{
public class CategoryStorage : ICategoryStorage
{
public CategoryViewModel? Delete(CategoryBindingModel model)
{
using var context = new ForumDataBase();
var res = context.Categories
.FirstOrDefault(x => x.Id == model.Id);
if (res != null)
{
context.Categories.Remove(res);
context.SaveChanges();
}
return res?.GetViewModel;
}
public CategoryViewModel? GetElement(CategorySearchModel model)
{
using var context = new ForumDataBase();
if (model.Id.HasValue)
return context.Categories
.FirstOrDefault(x => x.Id == model.Id)
?.GetViewModel;
return null;
}
public List<CategoryViewModel> GetFilteredList(CategorySearchModel model)
{
if (model == null)
{
return new();
}
if (model.Id.HasValue)
{
var res = GetElement(model);
return res != null ? new() { res } : new();
}
if (model.Name != null)
{
using var context = new ForumDataBase();
return context.Categories
.Where(x => x.Name.Equals(model.Name))
.Select(x => x.GetViewModel)
.ToList();
}
return new();
}
public List<CategoryViewModel> GetFullList()
{
using var context = new ForumDataBase();
return context.Categories
.Select(x => x.GetViewModel)
.ToList();
}
public CategoryViewModel? Insert(CategoryBindingModel model)
{
using var context = new ForumDataBase();
var res = Category.Create(model);
if (res != null)
{
context.Categories.Add(res);
context.SaveChanges();
}
return res?.GetViewModel;
}
public CategoryViewModel? Update(CategoryBindingModel model)
{
using var context = new ForumDataBase();
var res = context.Categories
.FirstOrDefault(x => x.Id == model.Id);
if (res != null)
{
res.Update(model);
context.SaveChanges();
}
return res?.GetViewModel;
}
}
}