sync: migrate sync devices from fs to mongodb

Notesnook.API/Jobs/DeviceCleanupJob.cs

@@ -1,65 +1,41 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
+using System.Linq;
 using System.Threading.Tasks;
+using MongoDB.Driver;
+using Notesnook.API.Interfaces;
+using Notesnook.API.Models;
+using Notesnook.API.Services;
 using Quartz;
 
 namespace Notesnook.API.Jobs
 {
-    public class DeviceCleanupJob : IJob
+    public class DeviceCleanupJob(ISyncItemsRepositoryAccessor repositories) : IJob
     {
-        public Task Execute(IJobExecutionContext context)
+        public async Task Execute(IJobExecutionContext context)
         {
-            ParallelOptions parallelOptions = new()
+            var cutoffDate = DateTimeOffset.UtcNow.AddMonths(-1).ToUnixTimeMilliseconds();
+            var deviceFilter = Builders<SyncDevice>.Filter.Lt(x => x.LastAccessTime, cutoffDate);
+
+            using var cursor = await repositories.SyncDevices.Collection.Find(deviceFilter, new FindOptions { BatchSize = 1000 })
+                .Project(x => x.DeviceId)
+                .ToCursorAsync();
+
+            var deleteModels = new List<WriteModel<DeviceIdsChunk>>();
+            while (await cursor.MoveNextAsync())
             {
-                MaxDegreeOfParallelism = 100,
-                CancellationToken = context.CancellationToken,
-            };
-            Parallel.ForEach(Directory.EnumerateDirectories("sync"), parallelOptions, (userDir, ct) =>
+                if (!cursor.Current.Any()) continue;
+                deleteModels.Add(new DeleteManyModel<DeviceIdsChunk>(Builders<DeviceIdsChunk>.Filter.In(x => x.DeviceId, cursor.Current)));
+            }
+
+            if (deleteModels.Count > 0)
             {
-                foreach (var device in Directory.EnumerateDirectories(userDir))
-                {
-                    string lastAccessFile = Path.Combine(device, "LastAccessTime");
+                var bulkOptions = new BulkWriteOptions { IsOrdered = false };
+                await repositories.DeviceIdsChunks.Collection.BulkWriteAsync(deleteModels, bulkOptions);
+            }
 
-                    try
-                    {
-                        if (!File.Exists(lastAccessFile))
-                        {
-                            Directory.Delete(device, true);
-                            continue;
-                        }
-
-                        string content = File.ReadAllText(lastAccessFile);
-                        if (!long.TryParse(content, out long lastAccessTime) || lastAccessTime <= 0)
-                        {
-                            Directory.Delete(device, true);
-                            continue;
-                        }
-
-                        DateTimeOffset accessTime;
-                        try
-                        {
-                            accessTime = DateTimeOffset.FromUnixTimeMilliseconds(lastAccessTime);
-                        }
-                        catch (Exception)
-                        {
-                            Directory.Delete(device, true);
-                            continue;
-                        }
-
-                        // If the device hasn't been accessed for more than one month, delete it.
-                        if (accessTime.AddMonths(1) < DateTimeOffset.UtcNow)
-                        {
-                            Directory.Delete(device, true);
-                        }
-                    }
-                    catch (Exception ex)
-                    {
-                        // Log the error and continue processing other directories.
-                        Console.Error.WriteLine($"Error processing device '{device}': {ex.Message}");
-                    }
-                }
-            });
-            return Task.CompletedTask;
+            await repositories.SyncDevices.Collection.DeleteManyAsync(deviceFilter);
         }
     }
 }