public async Task UpdateDescription(string channelId, Dictionary <string, string> replacements)
{
var videos = await this.YoutubeProvider.GetVideos(channelId);
var localVideos = await this.videosService.GetChannelVideos(channelId);
foreach (var video in videos
.Where(v => v.Snippet != null)
.OrderByDescending(v => v.Snippet.PublishedAt))
{
var localVideo = localVideos.FirstOrDefault(v => v.VideoId == video.Id);
if (localVideo == null)
{
this.Logger.LogTrace($"Video \"{video.Snippet.Title}\" skipped.");
continue;
}
this.Logger.LogTrace($"\"{video.Snippet.Title}\" processing...");
var updatedVideo = await this.YoutubeProvider.UpdateDescription(video,
DescriptionUtils.TransformDescription(
channelId,
localVideo.Description,
replacements));
if (updatedVideo == null)
{
continue;
}
this.Logger.LogTrace($"\"{video.Snippet.Title}\" completed.");
}
}
public static Video ReplaceDescription(
this Video video,
Dictionary <string, string> replacements,
string channelId)
{
if (video?.Snippet == null)
{
return(video);
}
video.Snippet.Title = video.Snippet.Title.ReplaceWholeWords(replacements);
video.Snippet.Description = DescriptionUtils.TransformDescription(
channelId,
video.Snippet.Description,
replacements);
return(video);
}
public async Task TransferMetadata(
string sourceChannelId,
string destChannelId,
bool downloadIcon = false,
Dictionary <string, string> replacements = null)
{
try
{
var sourceChannel = await this.YoutubeProvider.GetChannel(sourceChannelId);
var destChannel = await this.YoutubeProvider.GetChannel(destChannelId);
if (downloadIcon)
{
var iconFilePath = await this.YoutubeProvider.DownloadIcon(sourceChannel, this.outputFolder);
this.Logger.LogTrace($"Icon downloaded to [{iconFilePath}].");
}
sourceChannel.BrandingSettings.Channel.Description = DescriptionUtils.TransformDescription(
destChannelId,
sourceChannel.BrandingSettings.Channel.Description,
replacements);
if (destChannel != null)
{
var destVideos = await this.videosService.GetTransferVideos(sourceChannelId, destChannelId);
// set trailer
var trailer = destVideos.FirstOrDefault(v =>
v.OriginalVideoId == sourceChannel.BrandingSettings.Channel.UnsubscribedTrailer);
if (trailer != null)
{
if (destChannel.BrandingSettings.Channel.UnsubscribedTrailer ==
trailer.VideoId)
{
return;
}
sourceChannel.BrandingSettings.Channel.UnsubscribedTrailer = trailer.VideoId;
}
else
{
sourceChannel.BrandingSettings.Channel.UnsubscribedTrailer = string.Empty;
}
// set featured channels
sourceChannel.BrandingSettings.Channel.FeaturedChannelsTitle = destChannel.BrandingSettings.Channel.FeaturedChannelsTitle;
sourceChannel.BrandingSettings.Channel.FeaturedChannelsUrls = destChannel.BrandingSettings.Channel.FeaturedChannelsUrls;
// set country
sourceChannel.BrandingSettings.Channel.Country = destChannel.BrandingSettings.Channel.Country;
sourceChannel.BrandingSettings.Channel.DefaultLanguage = destChannel.BrandingSettings.Channel.DefaultLanguage;
// preserve banner
sourceChannel.SetBannerUrl(destChannel.GetBannerUrl());
}
else
{
sourceChannel.BrandingSettings.Channel.UnsubscribedTrailer = string.Empty;
sourceChannel.BrandingSettings.Channel.FeaturedChannelsTitle = string.Empty;
sourceChannel.BrandingSettings.Channel.FeaturedChannelsUrls = new List <string>();
}
await this.YoutubeProvider.UpdateMetadata(destChannelId, sourceChannel);
await this.channelsService.AddOrUpdate(sourceChannelId, destChannelId, sourceChannel);
}
catch (Exception exc)
{
this.Logger.LogError(exc.Message);
}
}
