public static EditNewsModel CopyFrom(this EditNewsModel model, NewsData data)
{
model.Id = data.Id;
model.Title = data.Title;
model.Description = data.Description;
model.WriterName = data.WriterName;
model.NewsCategoryId = data.NewsCategory.Id;
model.PlatformIds = data.PlatformIds.ToList();
model.HiddenPlatformIds = string.Join(",", data.PlatformIds);
model.ImagePath = data.ImagePath;
model.Annotation = data.Annotation;
model.BlockComments = data.BlockComments;
return model;
}
public static ViewNewsModel CopyFrom(this ViewNewsModel model, NewsData data)
{
model.Id = data.Id;
model.Title = data.Title;
model.Description = data.Description;
model.WriterId = data.WriterId;
model.WriterName = data.WriterName;
model.NewsCategoryId = data.NewsCategory.Id;
model.Platforms = data.Platforms;
model.ImagePath = data.ImagePath;
model.CreateDate = data.CreateDate;
model.CountViews = ++data.CountViews;
model.NewsCategory = data.NewsCategory;
model.CountComments = data.CountComments;
model.BlockComments = data.BlockComments;
return model;
}
private void FillViewNewsModel(ViewNewsModel model, NewsData data)
{
model.PreviousNews = Execute(() => _newsService.GetPreviousNews(model.Id.GetValueOrDefault(), Constants.PreviousNewsCount)) ?? new List<NewsData>();
model.CopyFrom(data);
}
public ActionResult EditNews(EditNewsModel model)
{
if (ModelIsValid)
{
model.PlatformIds.Clear();
if (!string.IsNullOrWhiteSpace(model.HiddenPlatformIds))
{
var platformIds = model.HiddenPlatformIds.Split(',');
foreach (var platformId in platformIds)
{
int id;
if (int.TryParse(platformId, out id))
model.PlatformIds.Add(id);
}
}
ValidateUploadFile(model);
if (ModelIsValid)
{
var data = new NewsData
{
Id = model.Id.GetValueOrDefault(),
Description = model.Description,
Title = model.Title,
NewsCategory = new NewsCategoryData { Id = model.NewsCategoryId },
WriterId = CurrentUser.Id,
PlatformIds = model.PlatformIds,
ImagePath = model.ImagePath,
Annotation = model.Annotation,
BlockComments = model.BlockComments
};
Execute(() => _newsService.SaveNews(data));
if (ModelIsValid)
{
return data.Id == default(int)
? RedirectToAction<NewsController>(o => o.News())
: RedirectToAction<NewsController>(o => o.ViewNews(data.Id));
}
}
}
FillResourceEditNewsModel(model);
return View(model);
}
void INewsService.SaveNews(NewsData data)
{
var entity = data.Id != default(int) ? _newsRepository.Query(o => o.Id == data.Id).SingleOrDefault() : new News();
if (entity == null)
throw new ArgumentException("Данной новости не существует.");
var newsCategory = _newsCategoryRepository.Query(o => o.Id == data.NewsCategory.Id).SingleOrDefault();
if (newsCategory == null)
throw new ArgumentException("Данной категории не существует.");
entity.Title = data.Title;
entity.Description = data.Description;
entity.NewsCategory = newsCategory;
entity.ImagePath = data.ImagePath;
entity.Annotation = data.Annotation;
entity.BlockComments = data.BlockComments;
if (data.Id == default(int))
{
var writer = _userRepository.Query(o => o.Id == data.WriterId).SingleOrDefault();
if (writer == null)
throw new ArgumentException("Данного пользователя не существует.");
entity.CreateDate = DateTime.UtcNow;
entity.Writer = writer;
if (data.PlatformIds.Any())
{
var validePlatforms = _platformRepository.Query(o => data.PlatformIds.Contains(o.Id)).ToList();
foreach (var platform in validePlatforms)
{
_newsPlatformRepository.Add(new NewsPlatform { News = entity, Platform = platform });
}
}
_newsRepository.Add(entity);
}
else
{
if (data.PlatformIds.Any())
{
var validePlatforms = _platformRepository.Query(o => data.PlatformIds.Contains(o.Id)).ToList();
var validePlatformIds = validePlatforms.Select(o => o.Id).ToArray();
var platforms = entity.NewsPlatforms.Select(o => o.Platform).ToList();
var platformIds = platforms.Select(o => o.Id).ToArray();
var newPlatforms = validePlatforms.Where(o => !platformIds.Contains(o.Id)).ToList();
var deletePlatforms = entity.NewsPlatforms.Where(o => !validePlatformIds.Contains(o.Platform.Id)).ToList();
foreach (var newPlatform in newPlatforms)
{
_newsPlatformRepository.Add(new NewsPlatform { News = entity, Platform = newPlatform });
}
foreach (var deletePlatform in deletePlatforms)
{
_newsPlatformRepository.Delete(deletePlatform);
}
}
}
UnitOfWork.Commit();
}