public TalkSummary(Talk talk, string url, string thumbnail, string conferenceName)
: base(talk)
{
Url = url;
Thumbnail = thumbnail;
ConferenceName = conferenceName;
ConferenceUrl = NavigateableController.GetConferenceUrl(talk.ConferenceId);
}
protected async Task <IEnumerable <TalkSummary> > CreateTalkSummaries(IEnumerable <Talk> talks)
{
return(await Task.WhenAll(talks.Select(CreateTalkSummary)));
async Task <TalkSummary> CreateTalkSummary(Talk talk)
{
var url = NavigateableController.GetTalkUrl(talk);
var thumbnail = await thumbnailService.GetThumbnailUrl(talk);
var conferenceName = conferences[talk.ConferenceId].Name;
return(new TalkSummary(talk, url, thumbnail, conferenceName));
}
}
async Task <string> CreateThumbnailUrl(Talk talk)
{
var baseThumbnailUrl = NavigateableController.GetThumbnailUrl(talk);
var hash = await thumbnailPersistence.GetSavedHashOfThumbnail(talk);
if (hash == string.Empty)
{
return(baseThumbnailUrl);
}
var thumbNailUrl = baseThumbnailUrl + "?v=" + hash;
return(thumbNailUrl);
}
