/// <summary>
/// 返回新闻修改视图
/// </summary>
/// <param name="id"></param>
/// <returns></returns>
public IActionResult EditNews(int id)
{
UpdateNewsDto dto = new UpdateNewsDto();
dto.News = _db.Newses.SingleOrDefault(n => n.Id == id);
dto.NewsClassifications = _db.NewsClassifications.ToList();
return(View(dto));
}
public async Task <UpdateNewsResult> UpdateNewsAsync(UpdateNewsDto dto, CancellationToken cancellationToken)
{
var foundNews = await _newsRepository.GetAsync(dto.Id, cancellationToken);
if (foundNews != null)
{
foundNews.Description = dto.Description;
foundNews.Headline = dto.Headline;
foundNews.Link = dto.Link;
foundNews.UpdateDate = DateTime.UtcNow;
await _newsRepository.UpdateAsync(foundNews, cancellationToken);
foreach (var usedGroupId in foundNews.UsedGroups)
{
var group = await _newsGroupRepository.GetAsync(usedGroupId, cancellationToken);
var groupNews = @group?.OrderedNews.FirstOrDefault(x => x.News.Id == dto.Id);
if (groupNews != null)
{
groupNews.News = foundNews;
}
await _newsGroupRepository.UpdateAsync(group, cancellationToken);
}
}
else
{
return(new UpdateNewsResult()
{
Error = "News not found"
});
}
_cacheClient.RemoveKey("news");
return(new UpdateNewsResult()
{
IsSuccessful = true
});
}
public async Task OnGetAsync()
{
var dto = await _service.GetAsync(Id);
News = ObjectMapper.Map <NewsDto, UpdateNewsDto>(dto);
}