public async Task <bool> UpdateBlogAsync(BlogServiceModel serviceModel)
{
var oldBlog = await AllBlog.FirstOrDefaultAsync(o => o.Id == serviceModel.Blog.Id);
var blogEntry = _context.Entry(oldBlog);
serviceModel.Blog.LastUpdateByUserId = serviceModel.User.Id;
serviceModel.Blog.LastUpdateDate = DateTime.Now;
blogEntry.CurrentValues.SetValues(serviceModel.Blog);
_context.Entry(oldBlog).Property(o => o.CreateByUserId).IsModified = false;
_context.Entry(oldBlog).Property(o => o.CreateDate).IsModified = false;
foreach (var newDetail in serviceModel.Blog.Details)
{
var oldDetail = oldBlog.Details.FirstOrDefault(o => o.ForCurrentRequestLanguage());
if (oldDetail.Language == newDetail.Language)
{
newDetail.Id = oldDetail.Id;
_context.Entry(oldDetail).CurrentValues.SetValues(newDetail);
}
}
_context.TryUpdateManyToMany(oldBlog.EntityFiles, serviceModel.Blog.EntityFiles, o => o.FileEntityId);
var updateResultCount = await _context.SaveChangesAsync();
return(updateResultCount > 0);
}