Added a new API for Panels so they can sync with a dedicated api. Removed ability to save progress with Panels.

API/Controllers/OPDSController.cs

@@ -1102,14 +1102,20 @@ public class OpdsController : BaseApiController
             Response.AddCacheHeader(content);
 
             // Save progress for the user
-            await _readerService.SaveReadingProgress(new ProgressDto()
+
+            var userAgent = Request.Headers["User-Agent"].ToString();
+            if (!userAgent.Equals("panels", StringComparison.InvariantCultureIgnoreCase))
             {
-                ChapterId = chapterId,
-                PageNum = pageNumber,
-                SeriesId = seriesId,
-                VolumeId = volumeId,
-                LibraryId =libraryId
-            }, await GetUser(apiKey));
+                await _readerService.SaveReadingProgress(new ProgressDto()
+                {
+                    ChapterId = chapterId,
+                    PageNum = pageNumber,
+                    SeriesId = seriesId,
+                    VolumeId = volumeId,
+                    LibraryId =libraryId
+                }, await GetUser(apiKey));
+            }
+
 
             return File(content, MimeTypeMap.GetMimeType(format));
         }

API/Controllers/PanelsController.cs

@@ -0,0 +1,33 @@
+using System.Threading.Tasks;
+using API.Data;
+using API.DTOs;
+using API.Services;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace API.Controllers;
+
+/// <summary>
+/// For the Panels app explicitly
+/// </summary>
+[AllowAnonymous]
+public class PanelsController : BaseApiController
+{
+    private readonly IReaderService _readerService;
+    private readonly IUnitOfWork _unitOfWork;
+
+    public PanelsController(IReaderService readerService, IUnitOfWork unitOfWork)
+    {
+        _readerService = readerService;
+        _unitOfWork = unitOfWork;
+    }
+
+    [HttpPost("save-progress")]
+    public async Task<ActionResult> SaveProgress(ProgressDto dto, [FromQuery] string apiKey)
+    {
+        if (string.IsNullOrEmpty(apiKey)) return Unauthorized("ApiKey is required");
+        var userId = await _unitOfWork.UserRepository.GetUserIdByApiKeyAsync(apiKey);
+        await _readerService.SaveReadingProgress(dto, userId);
+        return Ok();
+    }
+}