[CHANGE] Implementation video data

This commit is contained in:
max
2025-10-21 20:46:31 +02:00
parent ed1b7406a6
commit 97f7f5dcf6
5 changed files with 182 additions and 62 deletions

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@@ -1,61 +1,36 @@
using System.Text.Json.Serialization;
using Manager.YouTube.Models.Innertube; using Manager.YouTube.Models.Innertube;
namespace Manager.YouTube.Models; namespace Manager.YouTube.Models;
public class YouTubeVideo public class YouTubeVideo
{ {
[JsonPropertyName("videoId")]
public required string VideoId { get; set; } public required string VideoId { get; set; }
[JsonPropertyName("title")]
public string Title { get; set; } = ""; public string Title { get; set; } = "";
[JsonPropertyName("description")]
public string Description { get; set; } = ""; public string Description { get; set; } = "";
[JsonPropertyName("hashTags")]
public string[] HashTags { get; set; } = []; public string[] HashTags { get; set; } = [];
[JsonPropertyName("viewCount")]
public long ViewCount { get; set; } public long ViewCount { get; set; }
[JsonPropertyName("likeCount")]
public long LikeCount { get; set; } public long LikeCount { get; set; }
[JsonPropertyName("channelId")]
public string ChannelId { get; set; } = ""; public string ChannelId { get; set; } = "";
[JsonPropertyName("author")]
public string Author { get; set; } = ""; public string Author { get; set; } = "";
[JsonPropertyName("playabilityStatus")]
public string PlayabilityStatus { get; set; } = ""; public string PlayabilityStatus { get; set; } = "";
[JsonPropertyName("lengthSeconds")]
public long LengthSeconds { get; set; } public long LengthSeconds { get; set; }
[JsonPropertyName("isOwnerViewing")] public string[] Keywords { get; set; } = [];
public bool IsOwnerViewing { get; set; } public bool IsOwnerViewing { get; set; }
[JsonPropertyName("allowRating")]
public bool AllowRating { get; set; } public bool AllowRating { get; set; }
[JsonPropertyName("isCrawlable")]
public bool IsCrawlable { get; set; } public bool IsCrawlable { get; set; }
[JsonPropertyName("isPrivate")]
public bool IsPrivate { get; set; } public bool IsPrivate { get; set; }
[JsonPropertyName("isUnpluggedCorpus")]
public bool IsUnpluggedCorpus { get; set; } public bool IsUnpluggedCorpus { get; set; }
[JsonPropertyName("isLive")]
public bool IsLive { get; set; } public bool IsLive { get; set; }
[JsonPropertyName("isFamilySafe")]
public bool IsFamilySave { get; set; } public bool IsFamilySave { get; set; }
[JsonPropertyName("availableCountries")]
public string[] AvailableCountries { get; set; } = []; public string[] AvailableCountries { get; set; } = [];
[JsonPropertyName("isUnlisted")]
public bool IsUnlisted { get; set; } public bool IsUnlisted { get; set; }
[JsonPropertyName("hasYpcMetadata")]
public bool HasYpcMetadata { get; set; } public bool HasYpcMetadata { get; set; }
[JsonPropertyName("publishDate")]
public DateTime PublishDate { get; set; } public DateTime PublishDate { get; set; }
[JsonPropertyName("uploadDate")]
public DateTime UploadDate { get; set; } public DateTime UploadDate { get; set; }
[JsonPropertyName("isShortsEligible")]
public bool IsShortsEligible { get; set; } public bool IsShortsEligible { get; set; }
[JsonPropertyName("category")]
public string Category { get; set; } = ""; public string Category { get; set; } = "";
public StreamingData StreamingData { get; set; } = new(); public StreamingData? StreamingData { get; set; }
[JsonPropertyName("thumbnail")]
public List<WebImage> Thumbnails { get; set; } = []; public List<WebImage> Thumbnails { get; set; } = [];
public PlayerConfig? PlayerConfig { get; set; } public PlayerConfig? PlayerConfig { get; set; }

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@@ -1,4 +1,6 @@
using System.Text;
using System.Text.Json; using System.Text.Json;
using System.Text.Json.Nodes;
using Manager.YouTube.Models.Innertube; using Manager.YouTube.Models.Innertube;
namespace Manager.YouTube.Parsers.Json; namespace Manager.YouTube.Parsers.Json;
@@ -9,4 +11,63 @@ public static class JsonParser
array array
.Select(image => new WebImage { Width = image.GetProperty("width").GetInt32(), Height = image.GetProperty("height").GetInt32(), Url = image.GetProperty("url").GetString() ?? "" }) .Select(image => new WebImage { Width = image.GetProperty("width").GetInt32(), Height = image.GetProperty("height").GetInt32(), Url = image.GetProperty("url").GetString() ?? "" })
.ToList(); .ToList();
public static string ExtractTextOrHtml(JsonElement element)
{
// Case 1: Simple text (no formatting)
if (element.TryGetProperty("simpleText", out var simpleText))
return simpleText.GetString() ?? string.Empty;
// Case 2: Runs (formatted text segments)
if (element.TryGetProperty("runs", out var runs) && runs.ValueKind == JsonValueKind.Array)
{
var sb = new StringBuilder();
foreach (var run in runs.EnumerateArray())
{
var text = run.GetProperty("text").GetString() ?? string.Empty;
var formatted = System.Net.WebUtility.HtmlEncode(text);
var bold = run.TryGetProperty("bold", out var boldProp) && boldProp.GetBoolean();
var italic = run.TryGetProperty("italic", out var italicProp) && italicProp.GetBoolean();
var underline = run.TryGetProperty("underline", out var underlineProp) && underlineProp.GetBoolean();
var strikethrough = run.TryGetProperty("strikethrough", out var strikeProp) && strikeProp.GetBoolean();
if (bold) formatted = $"<b>{formatted}</b>";
if (italic) formatted = $"<i>{formatted}</i>";
if (underline) formatted = $"<u>{formatted}</u>";
if (strikethrough) formatted = $"<s>{formatted}</s>";
if (run.TryGetProperty("navigationEndpoint", out var nav) &&
nav.TryGetProperty("url", out var urlProp))
{
var url = urlProp.GetString();
if (!string.IsNullOrEmpty(url))
formatted = $"<a href=\"{url}\">{formatted}</a>";
}
if (run.TryGetProperty("emoji", out var emoji) && emoji.ValueKind == JsonValueKind.Object)
{
if (emoji.TryGetProperty("url", out var emojiUrl))
{
var src = emojiUrl.GetString();
if (!string.IsNullOrEmpty(src))
formatted = $"<img src=\"{src}\" alt=\"{text}\" class=\"emoji\" />";
}
}
sb.Append(formatted);
}
return sb.ToString();
}
return string.Empty;
}
public static List<WebImage> ExtractWebImages(JsonElement element)
{
var thumbnailsArray = element.GetProperty("thumbnail").GetProperty("thumbnails");
return thumbnailsArray.Deserialize<List<WebImage>>() ?? [];
}
} }

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@@ -1,13 +1,17 @@
using System.Text.Json; using System.Text.Json;
using System.Text.Json.Nodes; using DotBased.Logging;
using DotBased.Monads; using DotBased.Monads;
using Manager.YouTube.Models; using Manager.YouTube.Models;
using Manager.YouTube.Models.Parser; using Manager.YouTube.Models.Parser;
using Manager.YouTube.Util.Converters;
namespace Manager.YouTube.Parsers.Json; namespace Manager.YouTube.Parsers.Json;
public static class VideoJsonParser public static class VideoJsonParser
{ {
private static readonly JsonSerializerOptions VideoParserOptions = new() { Converters = { new YouTubeVideoJsonConverter() } };
private static readonly ILogger Logger = LogService.RegisterLogger(typeof(VideoJsonParser), "Video JSON parser");
public static Result<YouTubeVideo> ParseVideoData(YouTubeVideoData videoData) public static Result<YouTubeVideo> ParseVideoData(YouTubeVideoData videoData)
{ {
if (videoData.YouTubeInitialData == null || videoData.YouTubeInitialData.Count == 0) if (videoData.YouTubeInitialData == null || videoData.YouTubeInitialData.Count == 0)
@@ -15,37 +19,17 @@ public static class VideoJsonParser
return ResultError.Fail("No initial video data found!"); return ResultError.Fail("No initial video data found!");
} }
var videoDetails = videoData.YouTubeInitialData["videoDetails"]; YouTubeVideo? video;
var microformat = videoData.YouTubeInitialData["microformat"]?["playerMicroformatRenderer"]; try
if (videoDetails == null)
{ {
return ResultError.Fail("No video details found!"); video = videoData.YouTubeInitialData.Deserialize<YouTubeVideo>(VideoParserOptions);
} }
catch (Exception e)
if (microformat == null)
{ {
return ResultError.Fail("No microformat found!"); Logger.Error(e, "Failed to parse video data");
return ResultError.Fail("Failed to parse video data");
} }
FlattenThumbnailArray(videoDetails); return video != null? video : ResultError.Fail("Failed to parse video data!");
FlattenThumbnailArray(microformat);
var video = videoDetails.Deserialize<YouTubeVideo>();
return ResultError.Fail("Not implemented.");
}
private static void FlattenThumbnailArray(JsonNode node)
{
var thumbnailsArray = node["thumbnail"]?["thumbnails"];
if (thumbnailsArray != null)
{
node["thumbnail"]?.ReplaceWith(thumbnailsArray);
}
} }
} }

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@@ -0,0 +1,93 @@
using System.Text.Json;
using System.Text.Json.Serialization;
using DotBased.Logging;
using Manager.YouTube.Models;
using Manager.YouTube.Models.Innertube;
using Manager.YouTube.Parsers.Json;
namespace Manager.YouTube.Util.Converters;
public class YouTubeVideoJsonConverter : JsonConverter<YouTubeVideo>
{
private readonly ILogger _logger = LogService.RegisterLogger<YouTubeVideoJsonConverter>();
public override YouTubeVideo Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
{
using var document = JsonDocument.ParseValue(ref reader);
var root = document.RootElement;
var playabilityStatus = root.GetProperty("playabilityStatus");
var streamingData = root.GetProperty("streamingData");
var videoDetails = root.GetProperty("videoDetails");
var playerConfigJson = root.GetProperty("playerConfig");
var microformat = root.GetProperty("microformat").GetProperty("playerMicroformatRenderer");
var thumbnails = JsonParser.ExtractWebImages(videoDetails.GetProperty("thumbnail"));
thumbnails.AddRange(JsonParser.ExtractWebImages(microformat.GetProperty("thumbnail")));
var video = new YouTubeVideo
{
VideoId = videoDetails.GetProperty("videoId").GetString() ?? "",
Title = JsonParser.ExtractTextOrHtml(microformat.GetProperty("title")),
Description = JsonParser.ExtractTextOrHtml(microformat.GetProperty("description")),
ViewCount = videoDetails.GetProperty("viewCount").GetInt32(),
LikeCount = videoDetails.GetProperty("likeCount").GetInt32(),
ChannelId = videoDetails.GetProperty("channelId").GetString() ?? "",
Author = JsonParser.ExtractTextOrHtml(videoDetails.GetProperty("author")),
PlayabilityStatus = playabilityStatus.GetProperty("status").GetString() ?? "",
LengthSeconds = videoDetails.GetProperty("lengthSeconds").GetInt32(),
Keywords = videoDetails.GetProperty("keywords").EnumerateArray().Select(v => v.GetString()).Cast<string>().ToArray(),
IsOwnerViewing = videoDetails.GetProperty("isOwnerViewing").GetBoolean(),
AllowRating = videoDetails.GetProperty("allowRating").GetBoolean(),
IsCrawlable = videoDetails.GetProperty("isCrawlable").GetBoolean(),
IsPrivate = videoDetails.GetProperty("isPrivate").GetBoolean(),
IsUnpluggedCorpus = videoDetails.GetProperty("isUnpluggedCorpus").GetBoolean(),
IsLive = videoDetails.GetProperty("isLiveContent").GetBoolean(),
IsFamilySave = microformat.GetProperty("isFamilySave").GetBoolean(),
AvailableCountries = microformat.GetProperty("availableCountries").EnumerateArray().Select(v => v.GetString()).Cast<string>().ToArray(),
IsUnlisted = microformat.GetProperty("isUnlisted").GetBoolean(),
HasYpcMetadata = microformat.GetProperty("hasYpcMetadata").GetBoolean(),
PublishDate = microformat.GetProperty("publishDate").GetDateTime(),
UploadDate = microformat.GetProperty("uploadDate").GetDateTime(),
IsShortsEligible = microformat.GetProperty("isShortsEligible").GetBoolean(),
Category = microformat.GetProperty("category").GetString() ?? "",
StreamingData = streamingData.Deserialize<StreamingData>(),
Thumbnails = thumbnails,
PlayerConfig = ExtractPlayerConfig(playerConfigJson)
};
return video;
}
public override void Write(Utf8JsonWriter writer, YouTubeVideo value, JsonSerializerOptions options)
{
throw new NotImplementedException("Converter only supports reading.");
}
private PlayerConfig? ExtractPlayerConfig(JsonElement element)
{
try
{
var playerConfig = new PlayerConfig
{
AudioLoudnessDb = element.GetProperty("audioConfig").GetProperty("loudnessDb").GetDouble(),
AudioPerceptualLoudnessDb = element.GetProperty("audioConfig").GetProperty("perceptualLoudnessDb").GetDouble(),
AudioEnablePerFormatLoudness = element.GetProperty("audioConfig").GetProperty("enablePerFormatLoudness")
.GetBoolean(),
MaxBitrate = element.GetProperty("streamSelectionConfig").GetProperty("maxBitrate").GetUInt32(),
MaxReadAheadMediaTimeMs = element.GetProperty("mediaCommonConfig").GetProperty("dynamicReadaheadConfig")
.GetProperty("maxReadAheadMediaTimeMs").GetUInt32(),
MinReadAheadMediaTimeMs = element.GetProperty("mediaCommonConfig").GetProperty("dynamicReadaheadConfig")
.GetProperty("minReadAheadMediaTimeMs").GetUInt32(),
ReadAheadGrowthRateMs = element.GetProperty("mediaCommonConfig").GetProperty("dynamicReadaheadConfig")
.GetProperty("readAheadGrowthRateMs").GetUInt32(),
};
return playerConfig;
}
catch (Exception e)
{
_logger.Error(e, "Failed to extract player config from JSON.");
return null;
}
}
}

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@@ -4,6 +4,7 @@ using System.Text;
using System.Text.Json; using System.Text.Json;
using System.Text.Json.Nodes; using System.Text.Json.Nodes;
using DotBased.Monads; using DotBased.Monads;
using Manager.YouTube.Models;
using Manager.YouTube.Models.Innertube; using Manager.YouTube.Models.Innertube;
using Manager.YouTube.Parsers; using Manager.YouTube.Parsers;
using Manager.YouTube.Parsers.Json; using Manager.YouTube.Parsers.Json;
@@ -308,7 +309,7 @@ public sealed class YouTubeClient : IDisposable
return ResultError.Fail("Failed to get datasyncIds! Client not logged in."); return ResultError.Fail("Failed to get datasyncIds! Client not logged in.");
} }
public async Task<Result> GetVideoByIdAsync(string videoId, CancellationToken cancellationToken = default) public async Task<Result<YouTubeVideo>> GetVideoByIdAsync(string videoId, CancellationToken cancellationToken = default)
{ {
if (string.IsNullOrWhiteSpace(videoId)) if (string.IsNullOrWhiteSpace(videoId))
{ {
@@ -331,14 +332,20 @@ public sealed class YouTubeClient : IDisposable
//TODO: Log warning: failed to update client state! //TODO: Log warning: failed to update client state!
} }
var htmlParseReult = HtmlParser.GetVideoDataFromHtml(html); var htmlParseResult = HtmlParser.GetVideoDataFromHtml(html);
if (!htmlParseReult.IsSuccess) if (!htmlParseResult.IsSuccess)
{ {
return htmlParseReult; return htmlParseResult.Error ?? ResultError.Fail("Failed to parse HTML video data!");
} }
//TODO: Process to YouTubeVideo model && decipher stream urls var videoParseResult = VideoJsonParser.ParseVideoData(htmlParseResult.Value);
if (!videoParseResult.IsSuccess)
{
return videoParseResult;
}
return Result.Success(); //TODO: decipher stream urls
return videoParseResult.Value;
} }
} }