fix: require ADMIN role to manage users

frontend/src/page/admin/users/index.js

@@ -1,21 +1,33 @@
-import React from 'react';
+import React, { useContext } from 'react';
 import PropTypes from 'prop-types';
 import UsersList from './UsersList';
 import AdminMenu from '../admin-menu';
 import PageContent from '../../../component/common/PageContent/PageContent';
+import AccessContext from '../../../contexts/AccessContext';
+import ConditionallyRender from '../../../component/common/ConditionallyRender';
+import { ADMIN } from '../../../component/AccessProvider/permissions';
+import { Alert } from '@material-ui/lab';
 
-const render = ({history}) => (
+const UsersAdmin = ({history}) => {
+    const { hasAccess } = useContext(AccessContext);
+    
+    return (
         <div>
             <AdminMenu history={history} />
             <PageContent headerContent="Users">
-            <UsersList />
+                <ConditionallyRender 
+                condition={hasAccess(ADMIN)} 
+                show={<UsersList />} 
+                elseShow={<Alert severity="error">You need to be a root admin to access this section.</Alert>} />
+                
             </PageContent>
         </div>
     );
+}
 
-render.propTypes = {
+UsersAdmin.propTypes = {
     match: PropTypes.object.isRequired,
     history: PropTypes.object.isRequired,
 };
 
-export default render;
+export default UsersAdmin;