Added contributor classes for manga. Implemented MangaDex search.

MangaReader.Core/Search/MangaDex/MangaDexSearchProvider.cs

@@ -0,0 +1,66 @@
+using MangaReader.Core.HttpService;
+using System.Text;
+using System.Text.RegularExpressions;
+
+namespace MangaReader.Core.Search.MangaDex;
+
+public class MangaDexSearchProvider(IHttpService httpService) : MangaSearchProviderBase<MangaDexSearchResult>(httpService)
+{
+    protected override string GetSearchUrl(string keyword)
+    {
+        string normalizedKeyword = keyword.ToLowerInvariant().Normalize(NormalizationForm.FormD);
+
+        return $"https://api.mangadex.org/manga?title={normalizedKeyword}&limit=5";
+    }
+
+    protected override MangaSearchResult[] GetSearchResult(MangaDexSearchResult searchResult)
+    {
+        List<MangaSearchResult> mangaSearchResults = [];
+
+        foreach (MangaDexSearchResultData searchResultData in searchResult.Data)
+        {
+            string title = searchResultData.Attributes.Title.FirstOrDefault().Value;
+            string slug = GenerateSlug(title);
+
+            MangaSearchResult mangaSearchResult = new()
+            {
+                Source = "MangaDex",
+                Title = title,
+                Url = $"https://mangadex.org/title/{searchResultData.Id}/{slug}",
+                Thumbnail = GetThumbnail(searchResultData)
+            };
+
+            mangaSearchResults.Add(mangaSearchResult);
+        }
+
+        return [.. mangaSearchResults];
+    }
+
+    public static string GenerateSlug(string title)
+    {
+        // title.ToLowerInvariant().Normalize(NormalizationForm.FormD);
+
+        title = title.ToLowerInvariant();
+        //title = Regex.Replace(title, @"[^a-z0-9\s-]", ""); // remove invalid chars
+        title = Regex.Replace(title, @"[^a-z0-9\s-]", "-"); // replace invalid chars with dash
+        title = Regex.Replace(title, @"\s+", "-");         // replace spaces with dash
+
+        return title.Trim('-');
+    }
+
+    private static string? GetThumbnail(MangaDexSearchResultData searchResultData)
+    {
+        var coverArtRelationship = searchResultData.Relationships.FirstOrDefault(x => x.Type == "cover_art");
+
+        if (coverArtRelationship == null)
+            return null;
+
+        if (coverArtRelationship.Attributes.TryGetValue("fileName", out object? fileNameValue) == false)
+            return null;
+
+        if (fileNameValue == null)
+            return null;
+
+        return $"https://mangadex.org/covers/{searchResultData.Id}/{fileNameValue}";
+    }
+}