public async Task <ActionResult <TrackListInfoVM> > PostMeList(TrackListPutVM vm)
{
using (var transa = await _context.Database.BeginTransactionAsync())
{
var user = await GetLoginUser();
if (user == null)
{
return(GetErrorResult("no_login"));
}
var list = vm.ToList();
list.owner = user.id;
_context.Lists.Add(list);
await _context.SaveChangesAsync();
RETRY:
user.lists.Add(list.id);
user.version++;
// _context.Entry(user).State = EntityState.Modified;
if (await _context.FailedSavingChanges())
{
goto RETRY;
}
await transa.CommitAsync();
return(list.ToTrackListInfo());
}
}
public async Task <IActionResult> PutList(int id, TrackListPutVM vm)
{
if (id != vm.id)
{
return(GetErrorResult("bad_request"));
}
var user = await GetLoginUser();
if (user == null)
{
return(GetErrorResult("no_login"));
}
var list = await _context.Lists.FindAsync(id);
if (list == null || list.owner != user.id)
{
return(GetErrorResult("list_not_found"));
}
if (vm.version != null && list.version != vm.version)
{
goto LIST_CHANGED;
}
//// Skip track id checks since we check visibility on reading
//if (vm.trackids != null) {
// var ids = vm.trackids;
// var foundTracks = await _context.Tracks.AsNoTracking().Where(x => ids.Contains(x.id)).ToListAsync();
// foundTracks = foundTracks.Where(x => x.IsVisibleToUser(user)).ToList();
// vm.trackids = vm.trackids.Where(x => foundTracks.Any(t => t.id == x)).ToList();
//}
vm.ApplyToList(list);
list.version++;
if (await _context.FailedSavingChanges())
{
goto LIST_CHANGED;
}
_message.TriggerEvent("l-" + id, c => list.IsVisibleToUser(c.User), new {
version = list.version
});
return(NoContent());
LIST_CHANGED:
return(GetErrorResult("list_changed"));
}
public async Task <ActionResult <TrackList> > PostList(TrackListPutVM vm)
{
var user = await GetLoginUser();
if (user == null)
{
return(GetErrorResult("no_login"));
}
var list = vm.ToList();
list.owner = user.id;
_context.Lists.Add(list);
await _context.SaveChangesAsync();
return(CreatedAtAction(nameof(GetList), new { id = list.id }, list.ToTrackListInfo()));
}
