Added MangaDex Api. Updated project structure.

MangaReader.Core/Sources/NatoManga/Metadata/NatoMangaWebCrawler.cs

@@ -0,0 +1,123 @@
+using HtmlAgilityPack;
+using MangaReader.Core.Metadata;
+
+namespace MangaReader.Core.Sources.NatoManga.Metadata;
+
+public class NatoMangaWebCrawler : MangaWebCrawler, IMangaSourceComponent
+{
+    public string SourceId => "NatoManga";
+
+    public override SourceManga GetManga(string url)
+    {
+        HtmlDocument document = GetHtmlDocument(url);
+        NatoMangaHtmlDocument node = new(document);
+
+        SourceManga manga = new()
+        {
+            Title = node.TitleNode?.InnerText ?? string.Empty,
+            Genres = GetGenres(node.GenresNode),
+            Chapters = GetChapters(node.ChapterNodes)
+        };
+
+        return manga;
+    }
+
+    private static List<string> GetGenres(HtmlNode? node)
+    {
+        if (node == null)
+            return [];
+
+        HtmlNodeCollection? genreNodes = node.SelectNodes(".//a");
+
+        if (genreNodes == null)
+            return [];
+
+        return [.. genreNodes.Select(genreNode => genreNode.InnerText.Trim())];
+    }
+
+    private static long GetViews(HtmlNode node)
+    {
+        string text = node.InnerText.Trim();
+
+        if (int.TryParse(text, out int number))
+            return number;
+
+        if (double.TryParse(text, out double doubleNumber))
+            return (int)doubleNumber;
+
+        ReadOnlySpan<char> shortText = text.AsSpan(0, text.Length - 1);
+
+        if (double.TryParse(shortText, out double formattedNumber) == false)
+            return 0;
+
+        char suffix = text[^1];
+
+        //if (char.GetNumericValue(suffix) > -1)
+        //    return (int)formattedNumber;
+
+        long multiplier = GetMultiplier(suffix);
+
+        return (int)(formattedNumber * multiplier);
+    }
+
+    private static long GetMultiplier(char c)
+    {
+        return c switch
+        {
+            'K' => 1_000,
+            'M' => 1_000_000,
+            'B' => 1_000_000_000,
+            'T' => 1_000_000_000_000,
+            _ => 0,
+        };
+    }
+
+    private static List<SourceMangaChapter> GetChapters(HtmlNodeCollection? chapterNodes)
+    {
+        List<SourceMangaChapter> chapters = [];
+
+        if (chapterNodes == null)
+            return chapters;
+
+        foreach (var node in chapterNodes)
+        {
+            HtmlNodeCollection? chapterPropertyNodes = node.SelectNodes(".//span");
+
+            if (chapterPropertyNodes == null || chapterPropertyNodes.Count < 3)
+                continue;
+
+            HtmlNode? chapterNameNode = chapterPropertyNodes[0].SelectSingleNode(".//a");
+            HtmlNode chapterViewNode = chapterPropertyNodes[1];
+            HtmlNode chapterTimeNode = chapterPropertyNodes[2];
+
+            if (chapterNameNode == null)
+                continue;
+
+            SourceMangaChapter chapter = new()
+            {
+                Number = GetChapterNumber(chapterNameNode),
+                Name = chapterNameNode.InnerText,
+                Url = chapterNameNode.Attributes["href"].Value,
+                Views = GetViews(chapterViewNode),
+                UploadDate = DateTime.Parse(chapterTimeNode.Attributes["title"].Value)
+            };
+
+            chapters.Add(chapter);
+        }
+
+        return chapters;
+    }
+
+    private static float GetChapterNumber(HtmlNode chapterNameNode)
+    {
+        string url = chapterNameNode.Attributes["href"].Value;
+        int index = url.IndexOf("/chapter-");
+
+        if (index == -1)
+            return 0;
+
+        string chapterNumber = url[(index + "/chapter-".Length)..].Replace('-', '.');
+
+        return float.Parse(chapterNumber);
+    }
+}