public async Task <StandardResponse> UpdateTopic(ClaimsPrincipal identity, TopicUpdateViewModel model, ModelStateDictionary modelState)
{
if (!modelState.IsValid)
{
return(modelState.StandardError());
}
using (var db = new ServiceDb())
{
using (var user = await _userService.Become(db, identity))
{
var result = await _topicService.UpdateTopic(db, user, new UpdateTopic()
{
TopicId = model.TopicId,
Description = model.Description,
Icon = PangulStringEncoding.GetBytesFromDataUrl(model.Icon),
IconType = PangulStringEncoding.GetTypeFromDataUrl(model.Icon),
RowVersion = model.RowVersion
});
await db.SaveChangesAsync();
return(StandardResponse.For(new { result.TopicId }));
}
}
}
