Auto-pruning of syncshell, added metrics for pruning, return of count of users in fullgroupdto.

LightlessSyncServer/LightlessSyncShared/Metrics/MetricsAPI.cs

@@ -11,6 +11,7 @@ public class MetricsAPI
     public const string CounterUsersRegisteredDeleted = "lightless_users_registered_deleted";
     public const string GaugeLightFinderConnections = "lightless_lightfinder_connections";
     public const string GaugeLightFinderGroups = "lightless_lightfinder_groups";
+    public const string GaugeGroupAutoPrunesEnabled = "lightless_group_autoprunes_enabled";
     public const string GaugePairs = "lightless_pairs";
     public const string GaugePairsPaused = "lightless_pairs_paused";
     public const string GaugeFilesTotal = "lightless_files";

LightlessSyncServer/LightlessSyncShared/Migrations/20251205205537_AddAutoPruneInGroup.cs

@@ -0,0 +1,40 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace LightlessSyncServer.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddAutoPruneInGroup : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "auto_prune_days",
+                table: "groups",
+                type: "integer",
+                nullable: false,
+                defaultValue: 0);
+
+            migrationBuilder.AddColumn<bool>(
+                name: "auto_prune_enabled",
+                table: "groups",
+                type: "boolean",
+                nullable: false,
+                defaultValue: false);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "auto_prune_days",
+                table: "groups");
+
+            migrationBuilder.DropColumn(
+                name: "auto_prune_enabled",
+                table: "groups");
+        }
+    }
+}

LightlessSyncServer/LightlessSyncShared/Migrations/LightlessDbContextModelSnapshot.cs

@@ -430,6 +430,14 @@ namespace LightlessSyncServer.Migrations
                         .HasColumnType("character varying(50)")
                         .HasColumnName("alias");
 
+                    b.Property<int>("AutoPruneDays")
+                        .HasColumnType("integer")
+                        .HasColumnName("auto_prune_days");
+
+                    b.Property<bool>("AutoPruneEnabled")
+                        .HasColumnType("boolean")
+                        .HasColumnName("auto_prune_enabled");
+
                     b.Property<DateTime>("CreatedDate")
                         .ValueGeneratedOnAdd()
                         .HasColumnType("timestamp with time zone")

LightlessSyncServer/LightlessSyncShared/Models/Group.cs

@@ -12,6 +12,8 @@ public class Group
     [MaxLength(50)]
     public string Alias { get; set; }
     public GroupProfile? Profile { get; set; }
+    public bool AutoPruneEnabled { get; set; } = false;
+    public int AutoPruneDays { get; set; } = 0;
     public bool InvitesEnabled { get; set; }
     public string HashedPassword { get; set; }
     public bool PreferDisableSounds { get; set; }