refactor: split the db package hook and cache to the op package (#2747)

* refactor:separate the setting method from the db package to the op package and add the cache

* refactor:separate the meta method from the db package to the op package

* fix:setting not load database data

* refactor:separate the user method from the db package to the op package

* refactor:remove user JoinPath error

* fix:op package user cache

* refactor:fs package list method

* fix:tile virtual paths (close #2743)

* Revert "refactor:remove user JoinPath error"

This reverts commit 4e20daaf9e.

* clean path directly may lead to unknown behavior

* fix: The path of the meta passed in must be prefix of reqPath

* chore: rename all virtualPath to mountPath

* fix: `getStoragesByPath` and `GetStorageVirtualFilesByPath`

is_sub_path:

/a/b isn't subpath of /a/bc

* fix: don't save setting if hook error

Co-authored-by: Noah Hsu <i@nn.ci>

server/webdav.go

@@ -4,8 +4,8 @@ import (
 	"context"
 	"net/http"
 
-	"github.com/alist-org/alist/v3/internal/db"
 	"github.com/alist-org/alist/v3/internal/model"
+	"github.com/alist-org/alist/v3/internal/op"
 	"github.com/alist-org/alist/v3/pkg/utils"
 	"github.com/alist-org/alist/v3/server/webdav"
 	"github.com/gin-gonic/gin"
@@ -45,7 +45,7 @@ func ServeWebDAV(c *gin.Context) {
 }
 
 func WebDAVAuth(c *gin.Context) {
-	guest, _ := db.GetGuest()
+	guest, _ := op.GetGuest()
 	username, password, ok := c.Request.BasicAuth()
 	if !ok {
 		if c.Request.Method == "OPTIONS" {
@@ -58,7 +58,7 @@ func WebDAVAuth(c *gin.Context) {
 		c.Abort()
 		return
 	}
-	user, err := db.GetUserByName(username)
+	user, err := op.GetUserByName(username)
 	if err != nil || user.ValidatePassword(password) != nil {
 		if c.Request.Method == "OPTIONS" {
 			c.Set("user", guest)