feat: start users import

License: MIT
Signed-off-by: Henrique Dias <hacdias@gmail.com>

cmd/users_import.go

@@ -0,0 +1,45 @@
+package cmd
+
+import (
+	"encoding/json"
+	"errors"
+	"os"
+	"strconv"
+
+	"github.com/filebrowser/filebrowser/v2/users"
+	"github.com/spf13/cobra"
+)
+
+func init() {
+	usersCmd.AddCommand(usersImportCmd)
+	usersImportCmd.Flags().Bool("overwrite", false, "overwrite existing users,")
+}
+
+var usersImportCmd = &cobra.Command{
+	Use:   "import <filename>",
+	Short: "Import users from a file.",
+	Args:  cobra.ExactArgs(1),
+	Run: python(func(cmd *cobra.Command, args []string, d pythonData) {
+		fd, err := os.Open(args[0])
+		checkErr(err)
+		defer fd.Close()
+
+		list := []users.User{}
+		err = json.NewDecoder(fd).Decode(&list)
+		checkErr(err)
+
+		overwrite := mustGetBool(cmd, "overwrite")
+
+		for _, user := range list {
+			// TODO: check for ID/Username conflicts too.
+			_, err := d.store.Users.Get("", user.ID)
+			if err == nil && !overwrite {
+				checkErr(errors.New("user " + strconv.Itoa(int(user.ID)) + " is already registred"))
+			}
+
+			err = d.store.Users.Save(&user)
+			checkErr(err)
+		}
+
+	}, pythonConfig{}),
+}