feat: implement trash auto-purge, settings layout update, larger folder icons, and legacy version cleanup

backend/workers/trash.go

@@ -0,0 +1,85 @@
+package workers
+
+import (
+	"log"
+	"os"
+	"path/filepath"
+	"strconv"
+	"time"
+
+	"git.elijahkuntz.com/Elijah/drive/config"
+	"git.elijahkuntz.com/Elijah/drive/database"
+)
+
+// StartTrashWorker runs a periodic task to permanently delete old items from the trash
+func StartTrashWorker(cfg *config.Config, db *database.DB) {
+	ticker := time.NewTicker(24 * time.Hour)
+	go func() {
+		for range ticker.C {
+			runTrashPurge(cfg, db)
+		}
+	}()
+	
+	// Also run one purge 5 minutes after startup
+	time.AfterFunc(5*time.Minute, func() {
+		runTrashPurge(cfg, db)
+	})
+}
+
+func runTrashPurge(cfg *config.Config, db *database.DB) {
+	purgeDaysStr, err := db.GetSetting("trash_auto_purge_days")
+	if err != nil {
+		purgeDaysStr = "30" // fallback
+	}
+	
+	purgeDays, err := strconv.Atoi(purgeDaysStr)
+	if err != nil {
+		purgeDays = 30
+	}
+
+	if purgeDays <= 0 {
+		return // 0 means disabled
+	}
+
+	log.Printf("🗑️ Running trash auto-purge (items older than %d days)...", purgeDays)
+
+	rows, err := db.Query(
+		"SELECT id, path FROM files WHERE is_trashed = 1 AND trashed_at <= date('now', '-' || ? || ' days')",
+		purgeDays,
+	)
+	if err != nil {
+		log.Printf("❌ Failed to query old trash items: %v", err)
+		return
+	}
+	defer rows.Close()
+
+	var deletedCount int
+	for rows.Next() {
+		var id int
+		var path string
+		if err := rows.Scan(&id, &path); err != nil {
+			continue
+		}
+
+		trashPath := filepath.Join(cfg.TrashDir, filepath.FromSlash(path))
+		
+		// Remove physical file/directory
+		if err := os.RemoveAll(trashPath); err != nil {
+			log.Printf("❌ Failed to delete physical trash file %s: %v", trashPath, err)
+			continue
+		}
+
+		// Remove from DB
+		if _, err := db.Exec("DELETE FROM files WHERE id = ?", id); err != nil {
+			log.Printf("❌ Failed to delete DB record for %s: %v", path, err)
+			continue
+		}
+
+		deletedCount++
+	}
+
+	if deletedCount > 0 {
+		log.Printf("✅ Trash auto-purge completed: deleted %d old items.", deletedCount)
+		db.AddAuditLog("trash_auto_purge", strconv.Itoa(deletedCount)+" items permanently deleted", "system")
+	}
+}