Files
manga-reader/MangaReader.Core/Sources/NatoManga/Api/NatoMangaClient.cs

67 lines
2.2 KiB
C#

using MangaReader.Core.HttpService;
using System.Globalization;
using System.Text;
using System.Text.Json;
using System.Text.RegularExpressions;
namespace MangaReader.Core.Sources.NatoManga.Api;
public partial class NatoMangaClient(IHttpService httpService) : INatoMangaClient
{
[GeneratedRegex(@"[^a-z0-9]+")]
private static partial Regex NonAlphaNumericCharactersRegex();
[GeneratedRegex("_{2,}")]
private static partial Regex ExtendedUnderscoresRegex();
private static readonly JsonSerializerOptions _jsonSerializerOptions = new()
{
PropertyNameCaseInsensitive = true
};
public async Task<NatoMangaSearchResult[]> SearchAsync(string searchWord, CancellationToken cancellationToken)
{
string url = GetSearchUrl(searchWord);
Dictionary<string,string> requestHeader = [];
requestHeader.Add("Referer", "https://www.natomanga.com/");
string response = await httpService.GetStringAsync(url, requestHeader, cancellationToken);
return JsonSerializer.Deserialize<NatoMangaSearchResult[]>(response, _jsonSerializerOptions) ?? [];
}
protected static string GetSearchUrl(string searchWord)
{
string formattedSeachWord = GetFormattedSearchWord(searchWord);
return $"https://www.natomanga.com/home/search/json?searchword={formattedSeachWord}";
}
private static string GetFormattedSearchWord(string searchWord)
{
if (string.IsNullOrWhiteSpace(searchWord))
return string.Empty;
// Convert to lowercase and normalize to decompose accents
string normalized = searchWord.ToLowerInvariant()
.Normalize(NormalizationForm.FormD);
// Remove diacritics
var sb = new StringBuilder();
foreach (var c in normalized)
{
var unicodeCategory = CharUnicodeInfo.GetUnicodeCategory(c);
if (unicodeCategory != UnicodeCategory.NonSpacingMark)
sb.Append(c);
}
// Replace non-alphanumeric characters with underscores
string cleaned = NonAlphaNumericCharactersRegex().Replace(sb.ToString(), "_");
// Trim and collapse underscores
cleaned = ExtendedUnderscoresRegex().Replace(cleaned, "_").Trim('_');
return cleaned;
}
}