using System.Text.Json; using System.Text.Json.Nodes; namespace Tranga.Connectors; //TODO Download covers: https://api.mangadex.org/docs/retrieving-covers/ https://api.mangadex.org/docs/swagger.html#/ public class MangaDex : Connector { internal override string downloadLocation { get; } public override string name { get; } private DownloadClient _downloadClient = new (750); public MangaDex(string downloadLocation) { name = "MangaDex.org"; this.downloadLocation = downloadLocation; } public override Publication[] GetPublications(string publicationTitle = "") { const int limit = 100; int offset = 0; int total = int.MaxValue; HashSet publications = new(); while (offset < total) { DownloadClient.RequestResult requestResult = _downloadClient.MakeRequest($"https://api.mangadex.org/manga?limit={limit}&title={publicationTitle}&offset={offset}"); JsonObject? result = JsonSerializer.Deserialize(requestResult.result); offset += limit; if (result is null) break; total = result["total"]!.GetValue(); JsonArray mangaInResult = result["data"]!.AsArray(); foreach (JsonObject manga in mangaInResult) { JsonObject attributes = manga["attributes"].AsObject(); string title = attributes["title"]!.AsObject().ContainsKey("en") && attributes["title"]!["en"] is not null ? attributes["title"]!["en"]!.GetValue() : ""; string? description = attributes["description"]!.AsObject().ContainsKey("en") && attributes["description"]!["en"] is not null ? attributes["description"]!["en"]!.GetValue() : null; JsonArray altTitlesObject = attributes["altTitles"]!.AsArray(); string[,] altTitles = new string[altTitlesObject.Count, 2]; int titleIndex = 0; foreach (JsonObject altTitleObject in altTitlesObject) { string key = ((IDictionary)altTitleObject!).Keys.ToArray()[0]; altTitles[titleIndex, 0] = key; altTitles[titleIndex++, 1] = altTitleObject[key]!.GetValue(); } JsonArray tagsObject = attributes["tags"]!.AsArray(); HashSet tags = new(); foreach (JsonObject tagObject in tagsObject) { if(tagObject!["attributes"]!["name"]!.AsObject().ContainsKey("en")) tags.Add(tagObject!["attributes"]!["name"]!["en"]!.GetValue()); } string? poster = null; if (manga.ContainsKey("relationships") && manga["relationships"] is not null) { JsonArray relationships = manga["relationships"]!.AsArray(); poster = relationships.FirstOrDefault(relationship => relationship!["type"]!.GetValue() == "cover_art")!["id"]!.GetValue(); } string[,]? links = null; if (attributes.ContainsKey("links") && attributes["links"] is not null) { JsonObject linksObject = attributes["links"]!.AsObject(); links = new string[linksObject.Count, 2]; int linkIndex = 0; foreach (string key in ((IDictionary)linksObject).Keys) { links[linkIndex, 0] = key; links[linkIndex++, 1] = linksObject[key]!.GetValue(); } } int? year = attributes.ContainsKey("year") && attributes["year"] is not null ? attributes["year"]!.GetValue() : null; string? originalLanguage = attributes.ContainsKey("originalLanguage") && attributes["originalLanguage"] is not null ? attributes["originalLanguage"]!.GetValue() : null; string status = attributes["status"]!.GetValue(); Publication pub = new Publication( title, description, altTitles, tags.ToArray(), poster, links, year, originalLanguage, status, this, manga["id"]!.GetValue() ); publications.Add(pub); } } return publications.ToArray(); } public override Chapter[] GetChapters(Publication publication, string language = "") { const int limit = 100; int offset = 0; string id = publication.downloadUrl; int total = int.MaxValue; List chapters = new(); while (offset < total) { DownloadClient.RequestResult requestResult = _downloadClient.MakeRequest($"https://api.mangadex.org/manga/{id}/feed?limit={limit}&offset={offset}&translatedLanguage%5B%5D={language}"); JsonObject? result = JsonSerializer.Deserialize(requestResult.result); offset += limit; if (result is null) break; total = result["total"]!.GetValue(); JsonArray chaptersInResult = result["data"]!.AsArray(); foreach (JsonObject chapter in chaptersInResult) { JsonObject attributes = chapter!["attributes"]!.AsObject(); string chapterId = chapter["id"]!.GetValue(); string? title = attributes.ContainsKey("title") && attributes["title"] is not null ? attributes["title"]!.GetValue() : null; string? volume = attributes.ContainsKey("volume") && attributes["volume"] is not null ? attributes["volume"]!.GetValue() : null; string? chapterNum = attributes.ContainsKey("chapter") && attributes["chapter"] is not null ? attributes["chapter"]!.GetValue() : null; chapters.Add(new Chapter(publication, title, volume, chapterNum, chapterId)); } } return chapters.OrderBy(chapter => chapter.chapterNumber).ToArray(); } public override void DownloadChapter(Publication publication, Chapter chapter) { DownloadClient.RequestResult requestResult = _downloadClient.MakeRequest($"https://api.mangadex.org/at-home/server/{chapter.url}?forcePort443=false'"); JsonObject? result = JsonSerializer.Deserialize(requestResult.result); if (result is null) return; string baseUrl = result["baseUrl"]!.GetValue(); string hash = result["chapter"]!["hash"]!.GetValue(); JsonArray imageFileNames = result["chapter"]!["data"]!.AsArray(); HashSet imageUrls = new(); foreach (JsonNode image in imageFileNames) imageUrls.Add($"{baseUrl}/data/{hash}/{image!.GetValue()}"); string fileName = string.Concat(publication.sortName.Split(Path.GetInvalidFileNameChars())); DownloadChapter(imageUrls.ToArray(), Path.Join(downloadLocation, fileName)); } internal override void DownloadImage(string url, string path) { DownloadClient.RequestResult requestResult = _downloadClient.MakeRequest(url); byte[] buffer = new byte[requestResult.result.Length]; requestResult.result.ReadExactly(buffer, 0, buffer.Length); File.WriteAllBytes(path, buffer); } }