private static Request _updateRequest(Request request, IDataContext dataContext)
{
var dbRequest = dataContext.Requests.Single(_ => _.Id == request.Id);
var dbAuthor = dataContext.Users.Single(_ => _.Id == request.Author.Id);
dbRequest.Author = dbAuthor;
dbRequest.Description = request.Description;
dataContext.SaveChanges();
return dbRequest;
}
public Request Save(Request request)
{
using (var dataContext = _dataContextFactory.Create()) {
if (request.Id == 0) {
return _createRequest(request, dataContext);
}
return _updateRequest(request, dataContext);
}
}
private RequestCreateViewModel _toCreateViewModel(Request request)
{
var requestUpdateViewModel = new RequestCreateViewModel
{
Id = request.Id,
Author = _toViewModel(request.Author),
DateCreated = request.DateCreated.ToString("g"),
Description = request.Description,
};
_setUsersCollection(requestUpdateViewModel);
return requestUpdateViewModel;
}
private RequestViewModel _toViewModel(Request request)
{
return new RequestViewModel {
Id = request.Id,
Author = _toViewModel(request.Author),
DateCreated = request.DateCreated.ToString("g")
};
}
private static Request _createRequest(Request request, IDataContext dataContext)
{
dataContext.CreateRequest(request);
dataContext.SaveChanges();
return request;
}
public void UpdateRequest(Request request)
{
Users.Attach(request.Author);
Requests.Attach(request);
Entry(request).State = EntityState.Modified;
Entry(request).Property(_ => _.DateCreated).IsModified = false;
}
void IDataContext.DeleteRequest(Request request)
{
Requests.Remove(request);
}
void IDataContext.CreateRequest(Request request)
{
Users.Attach(request.Author);
Requests.Add(request);
}