feat: get account files by path

internal/operations/account.go

@@ -132,3 +132,49 @@ func GetAccountsByPath(path string) []driver.Driver {
 	})
 	return accounts
 }
+
+// GetAccountFilesByPath Obtain the virtual file generated by the account according to the path
+// for example, there are: /a/b,/a/c,/a/d/e,/a/b.balance1,/av
+// GetAccountFilesByPath(/a) => b,c,d
+func GetAccountFilesByPath(prefix string) []driver.FileInfo {
+	files := make([]driver.FileInfo, 0)
+	accounts := make([]driver.Driver, len(accountsMap))
+	i := 0
+	for _, v := range accountsMap {
+		accounts[i] = v
+		i += 1
+	}
+	sort.Slice(accounts, func(i, j int) bool {
+		if accounts[i].GetAccount().Index == accounts[j].GetAccount().Index {
+			return accounts[i].GetAccount().VirtualPath < accounts[j].GetAccount().VirtualPath
+		}
+		return accounts[i].GetAccount().Index < accounts[j].GetAccount().Index
+	})
+	prefix = utils.StandardizationPath(prefix)
+	set := make(map[string]interface{})
+	for _, v := range accounts {
+		// balance account
+		if strings.Contains(v.GetAccount().VirtualPath, balance) {
+			continue
+		}
+		full := utils.StandardizationPath(v.GetAccount().VirtualPath)
+		if len(full) <= len(prefix) {
+			continue
+		}
+		// not prefixed with `prefix`
+		if !strings.HasPrefix(full, prefix+"/") && prefix != "/" {
+			continue
+		}
+		name := strings.Split(strings.TrimPrefix(strings.TrimPrefix(full, prefix), "/"), "/")[0]
+		if _, ok := set[name]; ok {
+			continue
+		}
+		files = append(files, model.File{
+			Name:     name,
+			Size:     0,
+			Modified: v.GetAccount().Modified,
+		})
+		set[name] = nil
+	}
+	return files
+}