ISEbd-21.Fedotov.I.A.Diner/Diner/DinerDataBaseImplement/Implements/MessageInfoStorage.cs

using DinerContracts.BindingModels;
using DinerContracts.SearchModels;
using DinerContracts.ViewModels;
using DinerDataBaseImplement.Models;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DinerDataBaseImplement.Implements {
	public class MessageInfoStorage : IMessageInfoStorage {

		public MessageInfoViewModel? Insert(MessageInfoBindingModel model) {
			using var context = new DinerDatabaseBy7Work();
			var newMessageInfo = MessageInfo.Create(context, model);
			if (newMessageInfo == null) {
				return null;
			}
			context.MessageInfos.Add(newMessageInfo);
			context.SaveChanges();
			return newMessageInfo.GetViewModel;
		}

		public MessageInfoViewModel? GetElement(MessageInfoSearchModel model) {
			using var context = new DinerDatabaseBy7Work();
			if (!string.IsNullOrEmpty(model.MessageID)) {
				return context.MessageInfos.FirstOrDefault(x => string.IsNullOrEmpty(model.MessageID) && 
															model.MessageID == x.MessageID)?.GetViewModel;
			}
			return new();
		}

		public List<MessageInfoViewModel> GetFilteredList(MessageInfoSearchModel model) {
			using var context = new DinerDatabaseBy7Work();

			return context.MessageInfos.
				Where(x => x.ClientID == model.ClientID).Select(x => x.GetViewModel).ToList();
		}

		public List<MessageInfoViewModel> GetFullList() {
			using var context = new DinerDatabaseBy7Work();
			return context.MessageInfos.Select(x => x.GetViewModel).ToList();
		}
	}
}