From 50a97b2ec3a3a22955cae8bfd6a766b3abb2cf27 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Wed, 22 Jun 2022 08:35:59 -0700
Subject: Login as another user

---
 modern/src/settings/UsersPage.js                   | 37 ++++++++++++++++++++--
 .../src/settings/components/CollectionActions.js   | 15 ++++++++-
 2 files changed, 49 insertions(+), 3 deletions(-)

diff --git a/modern/src/settings/UsersPage.js b/modern/src/settings/UsersPage.js
index a274d569..0d8a077c 100644
--- a/modern/src/settings/UsersPage.js
+++ b/modern/src/settings/UsersPage.js
@@ -1,9 +1,12 @@
 import React, { useState } from 'react';
+import { useDispatch } from 'react-redux';
+import { useNavigate } from 'react-router-dom';
 import {
   Table, TableRow, TableCell, TableHead, TableBody,
 } from '@mui/material';
+import LoginIcon from '@mui/icons-material/Login';
 import makeStyles from '@mui/styles/makeStyles';
-import { useEffectAsync } from '../reactHelper';
+import { useCatch, useEffectAsync } from '../reactHelper';
 import { formatBoolean } from '../common/util/formatter';
 import { useTranslation } from '../common/components/LocalizationProvider';
 import PageLayout from '../common/components/PageLayout';
@@ -11,6 +14,8 @@ import SettingsMenu from './components/SettingsMenu';
 import CollectionFab from './components/CollectionFab';
 import CollectionActions from './components/CollectionActions';
 import TableShimmer from '../common/components/TableShimmer';
+import { useAdministrator } from '../common/util/permissions';
+import { sessionActions } from '../store';
 
 const useStyles = makeStyles((theme) => ({
   columnAction: {
@@ -21,12 +26,33 @@ const useStyles = makeStyles((theme) => ({
 
 const UsersPage = () => {
   const classes = useStyles();
+  const dispatch = useDispatch();
+  const navigate = useNavigate();
   const t = useTranslation();
 
+  const admin = useAdministrator();
+
   const [timestamp, setTimestamp] = useState(Date.now());
   const [items, setItems] = useState([]);
   const [loading, setLoading] = useState(false);
 
+  const handleLogin = useCatch(async (userId) => {
+    const response = await fetch(`/api/session/${userId}`);
+    if (response.ok) {
+      const user = await response.json();
+      dispatch(sessionActions.updateUser(user));
+      navigate('/');
+    } else {
+      throw Error(await response.text());
+    }
+  });
+
+  const loginAction = {
+    title: t('loginLogin'),
+    icon: (<LoginIcon fontSize="small" />),
+    handler: handleLogin,
+  };
+
   useEffectAsync(async () => {
     setLoading(true);
     try {
@@ -61,7 +87,14 @@ const UsersPage = () => {
               <TableCell>{formatBoolean(item.administrator, t)}</TableCell>
               <TableCell>{formatBoolean(item.disabled, t)}</TableCell>
               <TableCell className={classes.columnAction} padding="none">
-                <CollectionActions itemId={item.id} editPath="/settings/user" endpoint="users" setTimestamp={setTimestamp} />
+                {admin}
+                <CollectionActions
+                  itemId={item.id}
+                  editPath="/settings/user"
+                  endpoint="users"
+                  setTimestamp={setTimestamp}
+                  customAction={admin ? loginAction : null}
+                />
               </TableCell>
             </TableRow>
           )) : (<TableShimmer columns={5} endAction />)}
diff --git a/modern/src/settings/components/CollectionActions.js b/modern/src/settings/components/CollectionActions.js
index e69553bd..e40b3eaa 100644
--- a/modern/src/settings/components/CollectionActions.js
+++ b/modern/src/settings/components/CollectionActions.js
@@ -17,7 +17,7 @@ const useStyles = makeStyles(() => ({
 }));
 
 const CollectionActions = ({
-  itemId, editPath, endpoint, setTimestamp,
+  itemId, editPath, endpoint, setTimestamp, customAction,
 }) => {
   const theme = useTheme();
   const classes = useStyles();
@@ -39,6 +39,11 @@ const CollectionActions = ({
     setMenuAnchorEl(null);
   };
 
+  const handleCustom = () => {
+    customAction.handler(itemId);
+    setMenuAnchorEl(null);
+  };
+
   const handleRemoveResult = (removed) => {
     setRemoving(false);
     if (removed) {
@@ -54,12 +59,20 @@ const CollectionActions = ({
             <MoreVertIcon fontSize="small" />
           </IconButton>
           <Menu open={!!menuAnchorEl} anchorEl={menuAnchorEl} onClose={() => setMenuAnchorEl(null)}>
+            {customAction && (
+              <MenuItem onClick={handleCustom}>{customAction.title}</MenuItem>
+            )}
             <MenuItem onClick={handleEdit}>{t('sharedEdit')}</MenuItem>
             <MenuItem onClick={handleRemove}>{t('sharedRemove')}</MenuItem>
           </Menu>
         </>
       ) : (
         <div className={classes.row}>
+          {customAction && (
+            <IconButton size="small" onClick={handleCustom}>
+              {customAction.icon}
+            </IconButton>
+          )}
           <IconButton size="small" onClick={handleEdit}>
             <EditIcon fontSize="small" />
           </IconButton>
-- 
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