CourseWork_EventVisitor/EventVisitor/EventVisitorLogic/Logic/SentMessageLogic.cs

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using EventVisitorLogic.BindingModels;
using EventVisitorLogic.StoragesContracts;
using EventVisitorLogic.ViewModels;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace EventVisitorLogic.Logic
{
public class SentMessageLogic : ISentMessageLogic
{
private readonly ISentMessageStorage _messageStorage;
public SentMessageLogic(ISentMessageStorage messageStorage)
{
_messageStorage = messageStorage;
}
public bool Create(SentMessageBindingModel model)
{
CheckModel(model);
var result = _messageStorage.Insert(model);
if (result == null)
{
return false;
}
return true;
}
public List<SentMessageViewModel>? ReadList(SentMessageBindingModel? model)
{
var list = _messageStorage.GetFilteredList(model);
if (list == null)
{
return null;
}
return list;
}
private void CheckModel(SentMessageBindingModel model, bool withParams = true)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (!withParams)
{
return;
}
if (string.IsNullOrEmpty(model.Subject))
{
throw new ArgumentNullException("Нет темы сообщения", nameof(model.Subject));
}
if (string.IsNullOrEmpty(model.Body))
{
throw new ArgumentNullException("Нет текста сообщения", nameof(model.Body));
}
}
}
}