public async Task <List <Media> > GetYoutubePlaylist(Playlist playlist, CTDbContext _context)
{
List <Media> newMedia = new List <Media>();
CTGrpc.JsonString jsonString = null;
CTGrpc.JsonString metadata = new CTGrpc.JsonString
{
Json = playlist.JsonMetadata != null?playlist.JsonMetadata.ToString() : ""
};
try
{
jsonString = await _rpcClient.PythonServerClient.GetYoutubePlaylistRPCAsync(new CTGrpc.PlaylistRequest
{
Url = playlist.PlaylistIdentifier,
Metadata = metadata
});
}
catch (RpcException e)
{
if (e.Status.StatusCode == StatusCode.InvalidArgument)
{
if (e.Status.Detail == "INVALID_PLAYLIST_IDENTIFIER")
{
// Notification to Instructor.
}
GetLogger().LogError(e.Message);
}
return(newMedia);
}
JArray jArray = JArray.Parse(jsonString.Json);
foreach (JObject jObject in jArray)
{
// Check if there is a valid videoId, and for the same playlist the same media does not exist.
if (jObject["videoId"].ToString().Length > 0 &&
!await _context.Medias.Where(m => m.UniqueMediaIdentifier == jObject["videoId"].ToString() &&
m.SourceType == playlist.SourceType &&
m.PlaylistId == playlist.Id).AnyAsync())
{
newMedia.Add(new Media
{
JsonMetadata = jObject,
SourceType = playlist.SourceType,
PlaylistId = playlist.Id,
UniqueMediaIdentifier = jObject["videoId"].ToString()
});
}
}
newMedia.ForEach(m => m.Name = GetMediaName(m));
await _context.Medias.AddRangeAsync(newMedia);
await _context.SaveChangesAsync();
return(newMedia);
}
public async Task <List <Media> > GetKalturaPlaylist(Playlist playlist, CTDbContext _context)
{
List <Media> newMedia = new List <Media>();
CTGrpc.JsonString jsonString = null;
try
{
jsonString = await _rpcClient.PythonServerClient.GetKalturaChannelEntriesRPCAsync(new CTGrpc.PlaylistRequest
{
Url = playlist.PlaylistIdentifier
});
}
catch (RpcException e)
{
if (e.Status.StatusCode == StatusCode.InvalidArgument)
{
if (e.Status.Detail == "INVALID_PLAYLIST_IDENTIFIER")
{
// Notification to Instructor.
}
_logger.LogError(e.Message);
}
return(newMedia);
}
JArray jArray = JArray.Parse(jsonString.Json);
foreach (JObject jObject in jArray)
{
// Check if there is a valid Id, and for the same playlist the same media does not exist.
if (jObject["id"].ToString().Length > 0 &&
!await _context.Medias.Where(m => m.UniqueMediaIdentifier == jObject["id"].ToString() &&
m.SourceType == playlist.SourceType &&
m.PlaylistId == playlist.Id).AnyAsync())
{
newMedia.Add(new Media
{
JsonMetadata = jObject,
SourceType = playlist.SourceType,
PlaylistId = playlist.Id,
UniqueMediaIdentifier = jObject["id"].ToString(),
CreatedAt = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)
.AddSeconds(jObject["createdAt"].ToObject <int>())
});
}
}
newMedia.ForEach(m => m.Name = GetMediaName(m));
await _context.Medias.AddRangeAsync(newMedia);
await _context.SaveChangesAsync();
return(newMedia);
}
public async Task <List <Media> > GetEchoPlaylist(Playlist playlist, CTDbContext _context)
{
List <Media> newMedia = new List <Media>();
CTGrpc.JsonString jsonString = null;
try
{
jsonString = await _rpcClient.PythonServerClient.GetEchoPlaylistRPCAsync(new CTGrpc.PlaylistRequest
{
Url = playlist.PlaylistIdentifier,
Stream = 0
});
}
catch (RpcException e)
{
if (e.Status.StatusCode == StatusCode.InvalidArgument)
{
if (e.Status.Detail == "INVALID_PLAYLIST_IDENTIFIER")
{
// Notification to Instructor.
}
GetLogger().LogError(e.Message);
}
return(newMedia);
}
JObject res = JObject.Parse(jsonString.Json);
// Add DownloadHeader to playlist, required for downloading media.
if (playlist.JsonMetadata == null)
{
playlist.JsonMetadata = new JObject();
}
if (playlist.JsonMetadata.ContainsKey("downloadHeader"))
{
playlist.JsonMetadata["downloadHeader"] = res["downloadHeader"].ToString();
}
else
{
playlist.JsonMetadata.Add("downloadHeader", res["downloadHeader"].ToString());
}
JArray jArray = res["medias"] as JArray;
foreach (JObject jObject in jArray)
{
// Check if there is a valid Id, and for the same playlist the same media does not exist.
if (jObject["mediaId"].ToString().Length > 0 &&
!await _context.Medias.Where(m => m.UniqueMediaIdentifier == jObject["mediaId"].ToString() &&
m.SourceType == playlist.SourceType &&
m.PlaylistId == playlist.Id).AnyAsync())
{
newMedia.Add(new Media
{
JsonMetadata = jObject,
SourceType = playlist.SourceType,
PlaylistId = playlist.Id,
UniqueMediaIdentifier = jObject["mediaId"].ToString(),
CreatedAt = Convert.ToDateTime(jObject["createdAt"], CultureInfo.InvariantCulture)
});
}
}
newMedia.ForEach(m => m.Name = GetMediaName(m));
await _context.Medias.AddRangeAsync(newMedia);
await _context.SaveChangesAsync();
return(newMedia);
}