feat(back): Add backup service and run it when start.

1 files changed, 35 insertions, 0 deletions

diff --git a/Timeline/Services/DatabaseBackupService.cs b/Timeline/Services/DatabaseBackupService.cs
new file mode 100644
index 00000000..a76b2a0d
--- /dev/null
+++ b/Timeline/Services/DatabaseBackupService.cs
@@ -0,0 +1,35 @@
+using System.Globalization;

+using System.IO;

+

+namespace Timeline.Services

+{

+    public interface IDatabaseBackupService

+    {

+        void BackupNow();

+    }

+

+    public class DatabaseBackupService : IDatabaseBackupService

+    {

+        private readonly IPathProvider _pathProvider;

+        private readonly IClock _clock;

+

+        public DatabaseBackupService(IPathProvider pathProvider, IClock clock)

+        {

+            _pathProvider = pathProvider;

+            _clock = clock;

+        }

+

+        public void BackupNow()

+        {

+            var databasePath = _pathProvider.GetDatabaseFilePath();

+            if (File.Exists(databasePath))

+            {

+                var backupDirPath = _pathProvider.GetDatabaseBackupDirectory();

+                Directory.CreateDirectory(backupDirPath);

+                var fileName = _clock.GetCurrentTime().ToString("yyyy-MM-ddTHH-mm-ss", CultureInfo.InvariantCulture);

+                var path = Path.Combine(backupDirPath, fileName);

+                File.Copy(databasePath, path);

+            }

+        }

+    }

+}