(Kavita+) External Series Detail (#2309)

API/Services/Plus/ExternalMetadataService.cs

@@ -0,0 +1,74 @@
+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using API.Data;
+using API.DTOs.Recommendation;
+using API.Entities.Enums;
+using API.Helpers.Builders;
+using Flurl.Http;
+using Kavita.Common;
+using Kavita.Common.EnvironmentInfo;
+using Kavita.Common.Helpers;
+using Microsoft.Extensions.Logging;
+
+namespace API.Services.Plus;
+
+public interface IExternalMetadataService
+{
+    Task<ExternalSeriesDetailDto> GetExternalSeriesDetail(int? aniListId, long? malId);
+}
+
+public class ExternalMetadataService : IExternalMetadataService
+{
+    private readonly IUnitOfWork _unitOfWork;
+    private readonly ILogger<ExternalMetadataService> _logger;
+
+    public ExternalMetadataService(IUnitOfWork unitOfWork, ILogger<ExternalMetadataService> logger)
+    {
+        _unitOfWork = unitOfWork;
+        _logger = logger;
+
+        FlurlHttp.ConfigureClient(Configuration.KavitaPlusApiUrl, cli =>
+            cli.Settings.HttpClientFactory = new UntrustedCertClientFactory());
+    }
+
+    public async Task<ExternalSeriesDetailDto?> GetExternalSeriesDetail(int? aniListId, long? malId)
+    {
+        if (!aniListId.HasValue && !malId.HasValue)
+        {
+            throw new KavitaException("Unable to find valid information from url for External Load");
+        }
+
+        var license = (await _unitOfWork.SettingsRepository.GetSettingAsync(ServerSettingKey.LicenseKey)).Value;
+        return await GetSeriesDetail(license, aniListId, malId);
+
+    }
+
+    private async Task<ExternalSeriesDetailDto?> GetSeriesDetail(string license, int? anilistId, long? malId)
+    {
+        try
+        {
+            return await (Configuration.KavitaPlusApiUrl + "/api/metadata/series/detail")
+                .WithHeader("Accept", "application/json")
+                .WithHeader("User-Agent", "Kavita")
+                .WithHeader("x-license-key", license)
+                .WithHeader("x-installId", HashUtil.ServerToken())
+                .WithHeader("x-kavita-version", BuildInfo.Version)
+                .WithHeader("Content-Type", "application/json")
+                .WithTimeout(TimeSpan.FromSeconds(Configuration.DefaultTimeOutSecs))
+                .PostJsonAsync(new
+                {
+                    AnilistId = anilistId,
+                    MalId = malId,
+                })
+                .ReceiveJson<ExternalSeriesDetailDto>();
+
+        }
+        catch (Exception e)
+        {
+            _logger.LogError(e, "An error happened during the request to Kavita+ API");
+        }
+
+        return null;
+    }
+}