public async Task <ChannelVideosStored> GetAndUpdateChannelVideos(ChannelData c)
{
var cv = await ChannelVideosCollection.Get(c.Id);
// fix updated if missing. Remove once all records have been updated
var mostRecent = cv?.Vids.OrderByDescending(v => v.Updated).FirstOrDefault();
if (cv != null && mostRecent != null && cv.Updated == default(DateTime))
{
cv.Updated = mostRecent.Updated;
}
var needsUpdate = cv == null || Expired(cv.Updated, RCfg.RefreshChannelVideos) ||
cv.From != RCfg.From; // when from is chaged, update all videos
if (!needsUpdate)
{
return(cv);
}
if (cv == null)
{
cv = new ChannelVideosStored {
ChannelId = c.Id, ChannelTitle = c.Title, Updated = DateTime.UtcNow
}
}
;
else
{
cv.Updated = DateTime.UtcNow;
}
var queryForm = cv.From != RCfg.From ? RCfg.From : mostRecent?.PublishedAt ?? RCfg.From;
var created = await Yt.VideosInChannel(c, queryForm, RCfg.To);
cv.Vids.AddRange(created);
cv.From = RCfg.From;
await ChannelVideosCollection.Set(cv);
return(cv);
}
public async Task <ChannelVideosStored> ChannelVideosStored(ChannelData c) => await ChannelVideosCollection.Get(c.Id);