feat: index enhancement (close #2632 pr #2636)

* feat: index paths as setting

* feat: clear index (#2632)

* feat: check indexMQ more frequently

server/handles/index.go

@@ -3,8 +3,10 @@ package handles
 import (
 	"context"
 
+	"github.com/alist-org/alist/v3/internal/model"
 	"github.com/alist-org/alist/v3/internal/search"
 	"github.com/alist-org/alist/v3/server/common"
+	mapset "github.com/deckarep/golang-set/v2"
 	"github.com/gin-gonic/gin"
 	log "github.com/sirupsen/logrus"
 )
@@ -26,6 +28,13 @@ func BuildIndex(c *gin.Context) {
 		common.ErrorStrResp(c, "index is running", 400)
 		return
 	}
+	indexPaths := search.GetIndexPaths()
+	indexPaths = append(indexPaths, req.Paths...)
+	indexPathsSet := mapset.NewSet[string]()
+	for _, indexPath := range indexPaths {
+		indexPathsSet.Add(indexPath)
+	}
+	indexPaths = indexPathsSet.ToSlice()
 	ignorePaths, err := search.GetIgnorePaths()
 	if err != nil {
 		common.ErrorResp(c, err, 500)
@@ -50,7 +59,7 @@ func BuildIndex(c *gin.Context) {
 				}
 			}
 		}
-		err = search.BuildIndex(context.Background(), req.Paths, ignorePaths, req.MaxDepth, true)
+		err = search.BuildIndex(context.Background(), indexPaths, ignorePaths, req.MaxDepth, true)
 		if err != nil {
 			log.Errorf("build index error: %+v", err)
 		}
@@ -67,6 +76,21 @@ func StopIndex(c *gin.Context) {
 	common.SuccessResp(c)
 }
 
+func ClearIndex(c *gin.Context) {
+	if search.Running.Load() {
+		common.ErrorStrResp(c, "index is running", 400)
+		return
+	}
+	search.Clear(c)
+	search.WriteProgress(&model.IndexProgress{
+		ObjCount:     0,
+		IsDone:       false,
+		LastDoneTime: nil,
+		Error:        "",
+	})
+	common.SuccessResp(c)
+}
+
 func GetProgress(c *gin.Context) {
 	progress, err := search.Progress()
 	if err != nil {