Inital build

backend/workers/backup.go

@@ -0,0 +1,48 @@
+package workers
+
+import (
+	"fmt"
+	"log"
+	"os/exec"
+	"path/filepath"
+	"time"
+
+	"git.elijahkuntz.com/Elijah/drive/config"
+	"git.elijahkuntz.com/Elijah/drive/database"
+)
+
+// StartBackupWorker runs a periodic SQLite backup task
+func StartBackupWorker(cfg *config.Config, db *database.DB) {
+	ticker := time.NewTicker(24 * time.Hour)
+	go func() {
+		for range ticker.C {
+			runBackup(cfg, db)
+		}
+	}()
+	
+	// Also run one backup 5 minutes after startup if it hasn't been backed up today
+	time.AfterFunc(5*time.Minute, func() {
+		runBackup(cfg, db)
+	})
+}
+
+func runBackup(cfg *config.Config, db *database.DB) {
+	timestamp := time.Now().Format("20060102")
+	backupFileName := fmt.Sprintf("drive_db_%s.sqlite", timestamp)
+	backupPath := filepath.Join(cfg.BackupDir, backupFileName)
+
+	// We use the sqlite3 CLI for a safe, online backup (it handles WAL mode correctly)
+	cmd := exec.Command("sqlite3", cfg.DBPath, fmt.Sprintf(".backup '%s'", backupPath))
+	
+	if err := cmd.Run(); err != nil {
+		log.Printf("❌ Database backup failed: %v", err)
+		db.AddAuditLog("backup_failed", err.Error(), "system")
+		return
+	}
+
+	log.Printf("✅ Database backed up successfully: %s", backupFileName)
+	db.AddAuditLog("backup_success", backupFileName, "system")
+
+	// Optional: Prune old backups (keep last 7 days)
+	// Not fully implemented here to keep it simple, but would just delete files older than 7d in cfg.BackupDir
+}