From d2d9686da9f8eeeb96c249a8cb4becbe0b1ff4fb Mon Sep 17 00:00:00 2001
From: bh0fer <lebalz@outlook.com>
Date: Tue, 1 Sep 2026 13:32:31 +0200
Subject: [PATCH 1/2] show last logged in

---
 src/api/user.ts                          |  4 +++
 src/components/Admin/UserTable/User.tsx  |  1 +
 src/components/Admin/UserTable/index.tsx | 33 ++++++++++++++++++++----
 src/models/User.ts                       | 27 ++++++++++++++++++-
 4 files changed, 59 insertions(+), 6 deletions(-)

diff --git a/src/api/user.ts b/src/api/user.ts
index 95dac96d1..31dd166d4 100644
--- a/src/api/user.ts
+++ b/src/api/user.ts
@@ -2,6 +2,7 @@ import { mdiEmailLock, mdiGithub, mdiMicrosoft } from '@mdi/js';
 import api from './base';
 import { AxiosPromise } from 'axios';
 import { IfmColors } from '@tdev-components/shared/Colors';
+import { Session as BetterAuthSession } from 'better-auth';
 
 export enum Role {
     STUDENT = 'student',
@@ -45,6 +46,8 @@ export const AuthProviderColor = {
     [AuthProvider.GITHUB]: IfmColors.black
 };
 
+export type Session = Omit<BetterAuthSession, 'userId' | 'token'>;
+
 export type User = {
     id: string;
     email: string;
@@ -53,6 +56,7 @@ export type User = {
     lastName: string;
     role: Role;
     authProviders?: AuthProvider[];
+    sessions?: Session[];
     banned?: boolean;
     banReason?: string;
     banExpires?: Date;
diff --git a/src/components/Admin/UserTable/User.tsx b/src/components/Admin/UserTable/User.tsx
index 32f5843fd..dc9ec26ca 100644
--- a/src/components/Admin/UserTable/User.tsx
+++ b/src/components/Admin/UserTable/User.tsx
@@ -88,6 +88,7 @@ const UserTableRow = observer((props: Props) => {
             </td>
             <td>{formatDateTime(user.createdAt)}</td>
             <td>{formatDateTime(user.updatedAt)}</td>
+            <td>{user.lastSeen ? formatDateTime(user.lastSeen) : '-'}</td>
             <td className={clsx(styles.limitWidth)}>
                 {user.studentGroups.map((group, idx) => (
                     <span className={clsx('badge badge--primary', styles.groupBadge)} key={idx}>
diff --git a/src/components/Admin/UserTable/index.tsx b/src/components/Admin/UserTable/index.tsx
index 41a5c24c4..6cfcf7f98 100644
--- a/src/components/Admin/UserTable/index.tsx
+++ b/src/components/Admin/UserTable/index.tsx
@@ -19,7 +19,9 @@ type SortColumn =
     | 'linkedAccounts'
     | 'createdAt'
     | 'updatedAt'
-    | 'groups'
+    | 'authProviderNames'
+    | 'lastSeen'
+    | 'studentGroupNames'
     | 'id'
     | 'connectedClients';
 interface Props {
@@ -137,7 +139,15 @@ const UserTable = observer((props: Props) => {
                                     onClick={() => setSortColumn('lastName')}
                                 />
                             </th>
-                            <th>Auth Provider</th>
+                            <th>
+                                <Button
+                                    size={SIZE_S}
+                                    iconSide="left"
+                                    icon={sortColumn === 'authProviderNames' && icon}
+                                    text="Auth Provider"
+                                    onClick={() => setSortColumn('authProviderNames')}
+                                />
+                            </th>
                             <th>
                                 <Button
                                     size={SIZE_S}
@@ -160,9 +170,18 @@ const UserTable = observer((props: Props) => {
                                 <Button
                                     size={SIZE_S}
                                     iconSide="left"
-                                    icon={sortColumn === 'groups' && icon}
+                                    icon={sortColumn === 'lastSeen' && icon}
+                                    text="Letztes Login"
+                                    onClick={() => setSortColumn('lastSeen')}
+                                />
+                            </th>
+                            <th>
+                                <Button
+                                    size={SIZE_S}
+                                    iconSide="left"
+                                    icon={sortColumn === 'studentGroupNames' && icon}
                                     text="Lerngruppen"
-                                    onClick={() => setSortColumn('groups')}
+                                    onClick={() => setSortColumn('studentGroupNames')}
                                 />
                             </th>
                             <th>
@@ -177,7 +196,11 @@ const UserTable = observer((props: Props) => {
                         </tr>
                     </thead>
                     <tbody>
-                        {_.orderBy(userStore.managedUsers, [sortColumn], [sortDirection])
+                        {_.orderBy(
+                            userStore.managedUsers,
+                            [(user) => (user as any)[sortColumn] === undefined, sortColumn],
+                            ['asc', sortDirection]
+                        )
                             .filter((user) => searchRegex.test(user.searchTerm))
                             .slice(0, props.showAll ? userStore.managedUsers.length : itemsShown)
                             .map((user, idx) => {
diff --git a/src/models/User.ts b/src/models/User.ts
index 467aef19c..45b587674 100644
--- a/src/models/User.ts
+++ b/src/models/User.ts
@@ -1,6 +1,7 @@
 import { action, computed, observable } from 'mobx';
-import { AuthProvider, Role, RoleAccessLevel, User as UserProps } from '@tdev-api/user';
+import { AuthProvider, Role, RoleAccessLevel, Session, User as UserProps } from '@tdev-api/user';
 import { UserStore } from '@tdev-stores/UserStore';
+import { orderBy } from 'es-toolkit/array';
 
 export default class User {
     readonly store: UserStore;
@@ -12,6 +13,8 @@ export default class User {
     readonly firstName: string;
     readonly lastName: string;
     readonly banned?: boolean;
+    readonly sessions: Session[];
+
     @observable accessor banReason: string | undefined;
     @observable accessor banExpires: Date | undefined;
 
@@ -31,6 +34,7 @@ export default class User {
         this.banned = props.banned;
         this.banReason = props.banReason;
         this.banExpires = props.banExpires ? new Date(props.banExpires) : undefined;
+        this.sessions = props.sessions || [];
         this.createdAt = new Date(props.createdAt);
         this.updatedAt = new Date(props.updatedAt);
     }
@@ -91,6 +95,15 @@ export default class User {
         };
     }
 
+    @computed
+    get lastSeen() {
+        if (this.sessions.length === 0) {
+            return undefined;
+        }
+        const sessions = orderBy(this.sessions, ['updatedAt'], ['desc']);
+        return new Date(sessions[0].updatedAt);
+    }
+
     @computed
     get searchTerm(): string {
         return `${this.firstName} ${this.lastName} ${this.email}`;
@@ -124,4 +137,16 @@ export default class User {
     get hasEmailPasswordAuth() {
         return this.authProviders.includes(AuthProvider.CREDENTIAL);
     }
+
+    @computed
+    get authProviderNames() {
+        const names = [...this.authProviders].sort();
+        return names.join(', ');
+    }
+
+    @computed
+    get studentGroupNames() {
+        const names = this.studentGroups.map((group) => group.name).sort();
+        return names.join(', ');
+    }
 }

From e7e7be5078193b42941cff764eb56de4409d2e46 Mon Sep 17 00:00:00 2001
From: bh0fer <lebalz@outlook.com>
Date: Tue, 1 Sep 2026 13:52:42 +0200
Subject: [PATCH 2/2] feature: show last session in user table

---
 src/components/Admin/UserTable/User.tsx | 43 ++++++++++++++++++++++---
 src/models/User.ts                      | 12 +++++--
 src/models/helpers/date.ts              | 15 ++++++---
 3 files changed, 59 insertions(+), 11 deletions(-)

diff --git a/src/components/Admin/UserTable/User.tsx b/src/components/Admin/UserTable/User.tsx
index dc9ec26ca..1993186be 100644
--- a/src/components/Admin/UserTable/User.tsx
+++ b/src/components/Admin/UserTable/User.tsx
@@ -10,7 +10,7 @@ import { AuthProviderColor, AuthProviderIcons, RoleColors, RoleNames } from '@td
 import { useStore } from '@tdev-hooks/useStore';
 import LiveStatusIndicator from '@tdev-components/LiveStatusIndicator';
 import Icon from '@mdi/react';
-import { mdiAccountCancel, mdiAccountEdit, mdiCloudQuestion, mdiDatabaseExport } from '@mdi/js';
+import { mdiAccountCancel, mdiAccountEdit, mdiCloudQuestion } from '@mdi/js';
 import { SIZE_S, SIZE_XS } from '@tdev-components/shared/iconSizes';
 import Button from '@tdev-components/shared/Button';
 import Popup from 'reactjs-popup';
@@ -20,6 +20,8 @@ import Badge from '@tdev-components/shared/Badge';
 import NavReloadRequest from '../ActionRequest/NavReloadRequest';
 import { IfmColors } from '@tdev-components/shared/Colors';
 import ExportModal from '../ExportPanel/ExportModal';
+import Card from '@tdev-components/shared/Card';
+import DefinitionList from '@tdev-components/DefinitionList';
 
 interface Props {
     user: UserModel;
@@ -28,7 +30,6 @@ interface Props {
 const UserTableRow = observer((props: Props) => {
     const { user } = props;
     const userStore = useStore('userStore');
-    const adminStore = useStore('adminStore');
     const { current } = userStore;
     const ref = React.useRef<PopupActions>(null);
     if (!current) {
@@ -86,9 +87,41 @@ const UserTableRow = observer((props: Props) => {
                     />
                 ))}
             </td>
-            <td>{formatDateTime(user.createdAt)}</td>
-            <td>{formatDateTime(user.updatedAt)}</td>
-            <td>{user.lastSeen ? formatDateTime(user.lastSeen) : '-'}</td>
+            <td>{formatDateTime(user.createdAt, true)}</td>
+            <td>{formatDateTime(user.updatedAt, true)}</td>
+            <td>
+                {user.lastSeen ? (
+                    <Popup
+                        trigger={
+                            <span>
+                                <Badge>{formatDateTime(user.lastSeen, true)}</Badge>
+                            </span>
+                        }
+                        on="hover"
+                        position={['top left', 'left center']}
+                        keepTooltipInside="#__docusaurus"
+                        mouseEnterDelay={200}
+                        repositionOnResize
+                    >
+                        <Card>
+                            <DefinitionList small>
+                                <dt>Expires</dt>
+                                <dd>{formatDateTime(user.lastSession!.expiresAt, true)}</dd>
+                                <dt>IP</dt>
+                                <dd>{user.lastSession?.ipAddress ?? '-'}</dd>
+                                <dt>Client</dt>
+                                <dd>
+                                    <pre>
+                                        <code>
+                                            {(user.lastSession?.userAgent ?? '-').split(') ').join(')\n')}
+                                        </code>
+                                    </pre>
+                                </dd>
+                            </DefinitionList>
+                        </Card>
+                    </Popup>
+                ) : null}
+            </td>
             <td className={clsx(styles.limitWidth)}>
                 {user.studentGroups.map((group, idx) => (
                     <span className={clsx('badge badge--primary', styles.groupBadge)} key={idx}>
diff --git a/src/models/User.ts b/src/models/User.ts
index 45b587674..6c1e1ac53 100644
--- a/src/models/User.ts
+++ b/src/models/User.ts
@@ -96,12 +96,20 @@ export default class User {
     }
 
     @computed
-    get lastSeen() {
+    get lastSession() {
         if (this.sessions.length === 0) {
             return undefined;
         }
         const sessions = orderBy(this.sessions, ['updatedAt'], ['desc']);
-        return new Date(sessions[0].updatedAt);
+        return sessions[0];
+    }
+
+    @computed
+    get lastSeen() {
+        if (!this.lastSession) {
+            return undefined;
+        }
+        return new Date(this.lastSession.updatedAt);
     }
 
     @computed
diff --git a/src/models/helpers/date.ts b/src/models/helpers/date.ts
index 3ac287b07..6cba873f4 100644
--- a/src/models/helpers/date.ts
+++ b/src/models/helpers/date.ts
@@ -1,11 +1,18 @@
-export const formatDate = (date: Date) => {
+export const formatDate = (date: Date, useLocalTime?: boolean) => {
+    if (useLocalTime) {
+        return date.toLocaleDateString('de-DE', { day: '2-digit', month: '2-digit', year: 'numeric' });
+    }
     return date.toISOString().slice(0, 10).split('-').reverse().join('.');
 };
 
-export const formatTime = (date: Date) => {
+export const formatTime = (date: Date, useLocalTime?: boolean) => {
+    if (useLocalTime) {
+        return date.toLocaleTimeString('de-DE', { hour: '2-digit', minute: '2-digit' });
+    }
     return date.toISOString().slice(11, 16);
 };
 
-export const formatDateTime = (date: Date) => {
-    return `${formatDate(date)} ${formatTime(date)}`;
+export const formatDateTime = (date: Date | string, useLocalTime?: boolean) => {
+    const d = typeof date === 'string' ? new Date(date) : date;
+    return `${formatDate(d, useLocalTime)} ${formatTime(d, useLocalTime)}`;
 };