Add user list command (#427)

Co-authored-by: Matti R <matti@mdranta.net>
Co-authored-by: Norwin <noerw@noreply.gitea.io>
Co-authored-by: 6543 <6543@obermui.de>
Co-authored-by: Norwin <git@nroo.de>
Reviewed-on: https://gitea.com/gitea/tea/pulls/427
Reviewed-by: Norwin <noerw@noreply.gitea.io>
Reviewed-by: 6543 <6543@obermui.de>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-committed-by: techknowlogick <techknowlogick@gitea.io>

cmd/admin/users/list.go

@@ -0,0 +1,54 @@
+// Copyright 2021 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package users
+
+import (
+	"code.gitea.io/tea/cmd/flags"
+	"code.gitea.io/tea/modules/context"
+	"code.gitea.io/tea/modules/print"
+
+	"code.gitea.io/sdk/gitea"
+	"github.com/urfave/cli/v2"
+)
+
+var userFieldsFlag = flags.FieldsFlag(print.UserFields, []string{
+	"id", "login", "full_name", "email", "activated",
+})
+
+// CmdUserList represents a sub command of users to list users
+var CmdUserList = cli.Command{
+	Name:        "list",
+	Aliases:     []string{"ls"},
+	Usage:       "List Users",
+	Description: "List users",
+	Action:      RunUserList,
+	Flags: append([]cli.Flag{
+		userFieldsFlag,
+		&flags.PaginationPageFlag,
+		&flags.PaginationLimitFlag,
+	}, flags.AllDefaultFlags...),
+}
+
+// RunUserList list users
+func RunUserList(cmd *cli.Context) error {
+	ctx := context.InitCommand(cmd)
+
+	fields, err := userFieldsFlag.GetValues(cmd)
+	if err != nil {
+		return err
+	}
+
+	client := ctx.Login.Client()
+	users, _, err := client.AdminListUsers(gitea.AdminListUsersOptions{
+		ListOptions: ctx.GetListOptions(),
+	})
+	if err != nil {
+		return err
+	}
+
+	print.UserList(users, ctx.Output, fields)
+
+	return nil
+}