CourseWorkElectronicsShop/ElectronicsShop/ElectronicsShopDataBaseImplement/Implements/MessageInfoStorage.cs

54 lines
1.5 KiB
C#

using ElectronicsShopContracts.BindingModels;
using ElectronicsShopContracts.SearchModels;
using ElectronicsShopContracts.StorageContracts;
using ElectronicsShopContracts.ViewModels;
using ElectronicsShopDataBaseImplement.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ElectronicsShopDataBaseImplement.Implements
{
public class MessageInfoStorage : IMessageInfoStorage
{
public MessageInfoViewModel? GetElement(MessageInfoSearchModel model)
{
using var context = new Database();
if (model.MessageID != null)
{
return context.Messages.FirstOrDefault(x => x.MessageID == model.MessageID)?.GetViewModel;
}
return null;
}
public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model)
{
using var context = new Database();
return context.Messages
.Where(x => x.MessageID == model.MessageID).Select(x => x.GetViewModel).ToList();
}
public List<MessageInfoViewModel> GetFullList()
{
using var context = new Database();
return context.Messages.Select(x => x.GetViewModel).ToList();
}
public MessageInfoViewModel? Insert(MessageInfoBindingModel model)
{
using var context = new Database();
var newMessage = MessageInfo.Create(model);
if (newMessage == null || context.Messages.Any(x => x.MessageID.Equals(model.MessageID)))
{
return null;
}
context.Messages.Add(newMessage);
context.SaveChanges();
return newMessage.GetViewModel;
}
}
}