Changed the fingerprinting code for Kavita+. Optimized System tab to be way faster. (#2140)

API/Controllers/ServerController.cs

@@ -124,6 +124,17 @@ public class ServerController : BaseApiController
         return Ok(await _statsService.GetServerInfo());
     }
 
+    /// <summary>
+    /// Returns non-sensitive information about the current system
+    /// </summary>
+    /// <remarks>This is just for the UI and is extremly lightweight</remarks>
+    /// <returns></returns>
+    [HttpGet("server-info-slim")]
+    public async Task<ActionResult<ServerInfoDto>> GetSlimVersion()
+    {
+        return Ok(await _statsService.GetServerInfoSlim());
+    }
+
 
     /// <summary>
     /// Triggers the scheduling of the convert media job. This will convert all media to the target encoding (except for PNG). Only one job will run at a time.

API/DTOs/Stats/ServerInfoSlimDto.cs

@@ -0,0 +1,21 @@
+namespace API.DTOs.Stats;
+
+/// <summary>
+/// This is just for the Server tab on UI
+/// </summary>
+public class ServerInfoSlimDto
+{
+    /// <summary>
+    /// Unique Id that represents a unique install
+    /// </summary>
+    public required string InstallId { get; set; }
+    /// <summary>
+    /// If the Kavita install is using Docker
+    /// </summary>
+    public bool IsDocker { get; set; }
+    /// <summary>
+    /// Version of Kavita
+    /// </summary>
+    public required string KavitaVersion { get; set; }
+
+}

API/Services/Tasks/StatsService.cs

@@ -23,6 +23,7 @@ public interface IStatsService
 {
     Task Send();
     Task<ServerInfoDto> GetServerInfo();
+    Task<ServerInfoSlimDto> GetServerInfoSlim();
     Task SendCancellation();
 }
 /// <summary>
@@ -171,6 +172,17 @@ public class StatsService : IStatsService
         return serverInfo;
     }
 
+    public async Task<ServerInfoSlimDto> GetServerInfoSlim()
+    {
+        var serverSettings = await _unitOfWork.SettingsRepository.GetSettingsDtoAsync();
+        return new ServerInfoSlimDto()
+        {
+            InstallId = serverSettings.InstallId,
+            KavitaVersion = serverSettings.InstallVersion,
+            IsDocker = OsInfo.IsDocker
+        };
+    }
+
     public async Task SendCancellation()
     {
         _logger.LogInformation("Informing KavitaStats that this instance is no longer sending stats");