100 lines
5.3 KiB
C#
100 lines
5.3 KiB
C#
using System.Runtime.Serialization;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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using DotBased.Logging;
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using Manager.YouTube.Models;
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using Manager.YouTube.Models.Innertube;
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using Manager.YouTube.Parsers.Json;
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namespace Manager.YouTube.Util.Converters;
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public class YouTubeVideoJsonConverter : JsonConverter<YouTubeVideo>
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{
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private readonly ILogger _logger = LogService.RegisterLogger<YouTubeVideoJsonConverter>();
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public override YouTubeVideo Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
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{
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using var document = JsonDocument.ParseValue(ref reader);
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var root = document.RootElement;
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var playabilityStatus = root.GetProperty("playabilityStatus");
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var streamingData = root.GetProperty("streamingData");
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var videoDetails = root.GetProperty("videoDetails");
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var playerConfigJson = root.GetProperty("playerConfig");
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var microformat = root.GetProperty("microformat").GetProperty("playerMicroformatRenderer");
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var videoId = videoDetails.GetProperty("videoId").GetString() ?? microformat.GetProperty("externalVideoId").GetString();
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if (string.IsNullOrEmpty(videoId))
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{
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throw new SerializationException("Failed to get videoId");
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}
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var thumbnails = JsonParser.ExtractWebImages(videoDetails.GetProperty("thumbnail"));
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thumbnails.AddRange(JsonParser.ExtractWebImages(microformat.GetProperty("thumbnail")));
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var video = new YouTubeVideo
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{
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VideoId = videoId,
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Title = JsonParser.ExtractTextOrHtml(microformat.GetProperty("title")),
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Description = JsonParser.ExtractTextOrHtml(microformat.GetProperty("description")),
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ViewCount = videoDetails.GetProperty("viewCount").GetInt32(),
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LikeCount = videoDetails.GetProperty("likeCount").GetInt32(),
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ChannelId = videoDetails.GetProperty("channelId").GetString() ?? "",
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Author = JsonParser.ExtractTextOrHtml(videoDetails.GetProperty("author")),
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PlayabilityStatus = playabilityStatus.GetProperty("status").GetString() ?? "",
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LengthSeconds = videoDetails.GetProperty("lengthSeconds").GetInt32(),
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Keywords = videoDetails.GetProperty("keywords").EnumerateArray().Select(v => v.GetString()).Cast<string>().ToArray(),
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IsOwnerViewing = videoDetails.GetProperty("isOwnerViewing").GetBoolean(),
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AllowRating = videoDetails.GetProperty("allowRating").GetBoolean(),
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IsCrawlable = videoDetails.GetProperty("isCrawlable").GetBoolean(),
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IsPrivate = videoDetails.GetProperty("isPrivate").GetBoolean(),
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IsUnpluggedCorpus = videoDetails.GetProperty("isUnpluggedCorpus").GetBoolean(),
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IsLive = videoDetails.GetProperty("isLiveContent").GetBoolean(),
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IsFamilySave = microformat.GetProperty("isFamilySave").GetBoolean(),
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AvailableCountries = microformat.GetProperty("availableCountries").EnumerateArray().Select(v => v.GetString()).Cast<string>().ToArray(),
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IsUnlisted = microformat.GetProperty("isUnlisted").GetBoolean(),
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HasYpcMetadata = microformat.GetProperty("hasYpcMetadata").GetBoolean(),
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PublishDate = microformat.GetProperty("publishDate").GetDateTime(),
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UploadDate = microformat.GetProperty("uploadDate").GetDateTime(),
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IsShortsEligible = microformat.GetProperty("isShortsEligible").GetBoolean(),
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Category = microformat.GetProperty("category").GetString() ?? "",
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StreamingData = streamingData.Deserialize<StreamingData>(),
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Thumbnails = thumbnails,
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PlayerConfig = ExtractPlayerConfig(playerConfigJson)
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};
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return video;
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}
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public override void Write(Utf8JsonWriter writer, YouTubeVideo value, JsonSerializerOptions options)
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{
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throw new NotImplementedException("Converter only supports reading.");
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}
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private PlayerConfig? ExtractPlayerConfig(JsonElement element)
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{
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try
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{
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var playerConfig = new PlayerConfig
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{
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AudioLoudnessDb = element.GetProperty("audioConfig").GetProperty("loudnessDb").GetDouble(),
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AudioPerceptualLoudnessDb = element.GetProperty("audioConfig").GetProperty("perceptualLoudnessDb").GetDouble(),
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AudioEnablePerFormatLoudness = element.GetProperty("audioConfig").GetProperty("enablePerFormatLoudness")
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.GetBoolean(),
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MaxBitrate = element.GetProperty("streamSelectionConfig").GetProperty("maxBitrate").GetUInt32(),
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MaxReadAheadMediaTimeMs = element.GetProperty("mediaCommonConfig").GetProperty("dynamicReadaheadConfig")
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.GetProperty("maxReadAheadMediaTimeMs").GetUInt32(),
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MinReadAheadMediaTimeMs = element.GetProperty("mediaCommonConfig").GetProperty("dynamicReadaheadConfig")
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.GetProperty("minReadAheadMediaTimeMs").GetUInt32(),
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ReadAheadGrowthRateMs = element.GetProperty("mediaCommonConfig").GetProperty("dynamicReadaheadConfig")
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.GetProperty("readAheadGrowthRateMs").GetUInt32(),
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};
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return playerConfig;
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}
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catch (Exception e)
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{
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_logger.Error(e, "Failed to extract player config from JSON.");
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return null;
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}
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}
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} |