fixed version info

Merge branch 'dev' into demoDev
updated modules
2026-02-07 17:42:21 +01:00 · 2026-02-07 17:41:57 +01:00 · 2026-02-07 17:39:31 +01:00 · 2026-02-07 17:33:16 +01:00 · 2026-02-04 13:47:33 +01:00 · 2026-02-04 13:46:52 +01:00
28 changed files with 725 additions and 339 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -112,4 +112,8 @@ backend/public/uploads/
 secrets/
 keys/

-ToDo.txt
+ToDo.txt
+
+
+# only in development branch
+next-env.d.ts
--- a/Docs/backend_API_docs/README.md
+++ b/Docs/backend_API_docs/README.md
@@ -1,7 +1,7 @@
 # Borrow System API Documentation

 **Frontend:** https://insta.the1s.de  
-**Backend base URL:** `https://backend.insta.the1s.de/api`
+**Backend base URL:** `https://insta.the1s.de/backend/api`

 ---

@@ -31,10 +31,10 @@ Include an API key in the route as `:key` parameter:
 Example:

 ```http
-GET /api/items/ABC123
+GET /api/items/12345678
 ```

-Where `ABC123` is your API key.  
+Where `12345678` is your API key.  
 The API key is validated server-side.

 ---
@@ -59,7 +59,7 @@ Returns a list of all items.

 #### Path Parameters

- `:key` – API key (string)
+- `:key` – API key (8-digit number)

 #### Authentication

@@ -70,14 +70,7 @@ Returns a list of all items.
 #### Request Example

 ```http
-GET /api/items/ABC123 HTTP/1.1
-Host: backend.insta.the1s.de
-```
-
-or
-
-```http
-GET /api/items/dummyKey HTTP/1.1
+GET /api/items/12345678 HTTP/1.1
 Host: backend.insta.the1s.de
 Authorization: Bearer <JWT_TOKEN>
 ```
@@ -123,7 +116,7 @@ Toggles `in_safe` between `0` and `1` for a given item.

 #### Path Parameters

- `:key` – API key (string)
+- `:key` – API key (8-digit number)
 - `:itemId` – Item ID (integer)

 #### Authentication
@@ -133,7 +126,7 @@ Toggles `in_safe` between `0` and `1` for a given item.
 #### Request Example

 ```http
-POST /api/change-state/ABC123/42 HTTP/1.1
+POST /api/change-state/12345678/42 HTTP/1.1
 Host: backend.insta.the1s.de
 ```

@@ -165,7 +158,7 @@ Fetch loan information by `loan_code`.

 #### Path Parameters

- `:key` – API key (string)
+- `:key` – API key (8-digit number)
 - `:loan_code` – Loan code (string)

 #### Authentication
@@ -175,7 +168,7 @@ Fetch loan information by `loan_code`.
 #### Request Example

 ```http
-GET /api/get-loan-by-code/ABC123/12345 HTTP/1.1
+GET /api/get-loan-by-code/12345678/12345 HTTP/1.1
 Host: backend.insta.the1s.de
 ```

@@ -214,7 +207,7 @@ Sets `returned_date = NOW()` on a loan and updates related items:

 #### Path Parameters

- `:key` – API key (string)
+- `:key` – API key (8-digit number)
 - `:loan_code` – Loan code (string)

 #### Authentication
@@ -224,7 +217,7 @@ Sets `returned_date = NOW()` on a loan and updates related items:
 #### Request Example

 ```http
-POST /api/set-return-date/ABC123/12345 HTTP/1.1
+POST /api/set-return-date/12345678/12345 HTTP/1.1
 Host: backend.insta.the1s.de
 ```

@@ -257,7 +250,7 @@ Sets `take_date = NOW()` on a loan and updates related items:

 #### Path Parameters

- `:key` – API key (string)
+- `:key` – API key (8-digit number)
 - `:loan_code` – Loan code (string)

 #### Authentication
@@ -267,7 +260,7 @@ Sets `take_date = NOW()` on a loan and updates related items:
 #### Request Example

 ```http
-POST /api/set-take-date/ABC123/LOAN-12345 HTTP/1.1
+POST /api/set-take-date/12345678/LOAN-12345 HTTP/1.1
 Host: backend.insta.the1s.de
 ```

@@ -297,7 +290,7 @@ Looks up an item by its `door_key`, toggles `in_safe`, and returns safe informat

 #### Path Parameters

- `:key` – API key (string)
+- `:key` – API key (8-digit number)
 - `:doorKey` – Door key/token (string) used by hardware to identify the locker.

 #### Authentication
@@ -307,7 +300,7 @@ Looks up an item by its `door_key`, toggles `in_safe`, and returns safe informat
 #### Request Example

 ```http
-GET /api/open-door/ABC123/123 HTTP/1.1
+GET /api/open-door/12345678/123 HTTP/1.1
 Host: backend.insta.the1s.de
 ```

--- a/FrontendV2/index.html
+++ b/FrontendV2/index.html
@@ -4,7 +4,7 @@
    <meta charset="UTF-8" />
    <link rel="icon" type="image/svg+xml" href="/vite.svg" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>frontendv2</title>
+    <title>Ausleihsystem</title>
  </head>
  <body>
    <div id="root"></div>
--- a/FrontendV2/nginx.conf
+++ b/FrontendV2/nginx.conf
@@ -9,6 +9,14 @@ server {
    try_files $uri $uri/ /index.html;
  }

+  location = /backend {
+    return 301 /backend/;
+  }
+
+  location /backend/ {
+    proxy_pass http://borrow_system-backend_v2:8004/;
+  }
+
  location ~* \.(?:js|mjs|css|png|jpg|jpeg|gif|ico|svg|woff2?)$ {
    expires 1y;
    access_log off;
--- a/FrontendV2/src/App.tsx
+++ b/FrontendV2/src/App.tsx
@@ -16,6 +16,7 @@ import { Box, Flex } from "@chakra-ui/react";
 import { Footer } from "./components/footer/Footer";
 import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
 import { API_BASE } from "@/config/api.config";
+import { ContactPage } from "./pages/ContactPage";

 const queryClient = new QueryClient();

@@ -80,6 +81,7 @@ function App() {
                  <Route path="/" element={<HomePage />} />
                  <Route path="/my-loans" element={<MyLoansPage />} />
                  <Route path="/landingpage" element={<Landingpage />} />
+                  <Route path="/contact" element={<ContactPage />} />
                </Route>

                <Route path="/login" element={<LoginPage />} />
--- a/FrontendV2/src/components/Header.tsx
+++ b/FrontendV2/src/components/Header.tsx
@@ -4,98 +4,41 @@ import {
  Heading,
  Stack,
  Text,
-  CloseButton,
-  Dialog,
-  Portal,
  HStack,
  IconButton,
  Menu,
  Box,
  Avatar,
-  Card,
-  Grid,
 } from "@chakra-ui/react";
-import { PasswordInput } from "@/components/ui/password-input";
 import Cookies from "js-cookie";
 import { useAtom } from "jotai";
 import { setIsLoggedInAtom, triggerLogoutAtom } from "@/states/Atoms";
 import { useNavigate } from "react-router-dom";
 import {
  CircleUserRound,
-  RotateCcwKey,
-  Code,
  LifeBuoy,
  LogOut,
  CalendarPlus,
  MoreVertical,
  Languages,
  Table,
+  ContactRound,
 } from "lucide-react";
 import { useUserContext } from "@/states/Context";
 import { useState } from "react";
-import MyAlert from "./myChakra/MyAlert";
 import { useTranslation } from "react-i18next";
-import { API_BASE } from "@/config/api.config";
+import { UserDialogue } from "./UserDialogue";

 export const Header = () => {
  const navigate = useNavigate();
  const userData = useUserContext();
-  console.log(userData);
  const { t } = useTranslation();

-  // Error handling states
-  const [isMsg, setIsMsg] = useState(false);
-  const [msgStatus, setMsgStatus] = useState<"error" | "success">("error");
-  const [msgTitle, setMsgTitle] = useState("");
-  const [msgDescription, setMsgDescription] = useState("");
-
-  const [oldPassword, setOldPassword] = useState("");
-  const [newPassword, setNewPassword] = useState("");
-  const [confirmPassword, setConfirmPassword] = useState("");
-
  const [, setTriggerLogout] = useAtom(triggerLogoutAtom);
  const [, setIsLoggedIn] = useAtom(setIsLoggedInAtom);

-  // Dialog control
-  const [isPwOpen, setPwOpen] = useState(false);
  const [userDialog, setUserDialog] = useState(false);

-  const changePassword = async () => {
-    if (newPassword !== confirmPassword) {
-      setMsgTitle(t("err_pw_change"));
-      setMsgDescription(t("pw_mismatch"));
-      setMsgStatus("error");
-      setIsMsg(true);
-      return;
-    }
-
-    const response = await fetch(`${API_BASE}/api/users/change-password`, {
-      method: "POST",
-      headers: {
-        "Content-Type": "application/json",
-        Authorization: `Bearer ${Cookies.get("token")}`,
-      },
-      body: JSON.stringify({ oldPassword, newPassword }),
-    });
-
-    if (!response.ok) {
-      setMsgTitle(t("err_pw_change"));
-      setMsgDescription(t("pw_mismatch"));
-      setMsgStatus("error");
-      setIsMsg(true);
-      return;
-    }
-
-    setMsgTitle(t("pw_success"));
-    setMsgDescription(t("pw_success_desc"));
-    setMsgStatus("success");
-    setIsMsg(true);
-
-    setOldPassword("");
-    setNewPassword("");
-    setConfirmPassword("");
-  };
-
  const username = userData.first_name ? userData.first_name : "N/A";
  const fullname = userData.first_name + " " + userData.last_name;
  const randomColor = [
@@ -201,7 +144,7 @@ export const Header = () => {
                  window.open(
                    "https://git.the1s.de/Matthias-Claudius-Schule/borrow-system/wiki",
                    "_blank",
-                    "noopener,noreferrer"
+                    "noopener,noreferrer",
                  )
                }
                children={
@@ -212,18 +155,12 @@ export const Header = () => {
                }
              />
              <Menu.Item
-                value="source-code"
-                onSelect={() =>
-                  window.open(
-                    "https://git.the1s.de/Matthias-Claudius-Schule/borrow-system",
-                    "_blank",
-                    "noopener,noreferrer"
-                  )
-                }
+                value="contact"
+                onSelect={() => navigate("/contact", { replace: true })}
                children={
                  <HStack gap={3}>
-                    <Code size={16} />
-                    <Text as="span">{t("source-code")}</Text>
+                    <ContactRound size={16} />
+                    <Text as="span">{t("contact")}</Text>
                  </HStack>
                }
              />
@@ -353,17 +290,15 @@ export const Header = () => {
            </Button>
          </a>

-          <a
-            href="https://git.the1s.de/Matthias-Claudius-Schule/borrow-system"
-            target="_blank"
+          <Button
+            variant={"outline"}
+            onClick={() => navigate("/contact", { replace: true })}
          >
-            <Button variant="ghost">
-              <HStack gap={2}>
-                <Code size={18} />
-                <Text as="span">{t("source-code")}</Text>
-              </HStack>
-            </Button>
-          </a>
+            <HStack gap={2}>
+              <ContactRound size={18} />
+              <Text as="span">{t("contact")}</Text>
+            </HStack>
+          </Button>

          <Button onClick={logout} variant="outline" colorScheme="red">
            <HStack gap={2}>
@@ -376,145 +311,12 @@ export const Header = () => {

      {/* User Info Dialoge */}
      {userDialog && (
-        <Flex
-          position="fixed"
-          inset={0}
-          zIndex={1000}
-          align="center"
-          justify="center"
-          bg="blackAlpha.400"
-          backdropFilter="blur(6px)"
-        >
-          <Card.Root maxW="sm" w="full" mx={4}>
-            <Card.Header>
-              <Card.Title>
-                <Flex justify="center" align="center" w="100%">
-                  <Avatar.Root
-                    size={"2xl"}
-                    colorPalette={randomColor[Math.floor(Math.random() * 10)]}
-                  >
-                    <Avatar.Fallback name={fullname} />
-                  </Avatar.Root>
-                </Flex>
-              </Card.Title>
-              <Card.Description>{t("user-info-desc")}</Card.Description>
-            </Card.Header>
-            <Card.Body>
-              <Stack gap="4" w="full">
-                <Box as="dl">
-                  <Grid
-                    templateColumns="auto 1fr"
-                    rowGap={2}
-                    columnGap={4}
-                    alignItems="start"
-                  >
-                    <Text as="dt" fontWeight="bold" textAlign="left">
-                      {t("first-name")}:
-                    </Text>
-                    <Text as="dd">{userData.first_name}</Text>
-
-                    <Text as="dt" fontWeight="bold" textAlign="left">
-                      {t("last-name")}:
-                    </Text>
-                    <Text as="dd">{userData.last_name}</Text>
-
-                    <Text as="dt" fontWeight="bold" textAlign="left">
-                      {t("username")}:
-                    </Text>
-                    <Text as="dd">{userData.username}</Text>
-
-                    <Text as="dt" fontWeight="bold" textAlign="left">
-                      {t("role")}:
-                    </Text>
-                    <Text as="dd">{userData.role}</Text>
-
-                    <Text as="dt" fontWeight="bold" textAlign="left">
-                      {t("admin-status")}:
-                    </Text>
-                    <Text as="dd">
-                      {userData.is_admin ? t("yes") : t("no")}
-                    </Text>
-                  </Grid>
-                </Box>
-
-                <Button variant="solid" onClick={() => setPwOpen(true)}>
-                  <HStack gap={2}>
-                    <RotateCcwKey size={18} />
-                    <Text as="span">{t("change-password")}</Text>
-                  </HStack>
-                </Button>
-              </Stack>
-            </Card.Body>
-            <Card.Footer justifyContent="flex-end">
-              <Button variant="outline" onClick={() => setUserDialog(false)}>
-                {t("cancel")}
-              </Button>
-            </Card.Footer>
-          </Card.Root>
-        </Flex>
+        <UserDialogue
+          setUserDialog={setUserDialog}
+          fullname={fullname}
+          randomColor={randomColor}
+        />
      )}
-
-      {/* Passwort-Dialog (kontrolliert) */}
-      <Dialog.Root open={isPwOpen} onOpenChange={(e: any) => setPwOpen(e.open)}>
-        <Portal>
-          <Dialog.Backdrop />
-          <Dialog.Positioner>
-            <Dialog.Content maxW="md">
-              <Dialog.Header>
-                <Dialog.Title>{t("change-password")}</Dialog.Title>
-              </Dialog.Header>
-              <form
-                onSubmit={(e) => {
-                  e.preventDefault();
-                  changePassword();
-                }}
-              >
-                <Dialog.Body>
-                  <Stack gap={3}>
-                    <PasswordInput
-                      value={oldPassword}
-                      onChange={(e) => setOldPassword(e.target.value)}
-                      placeholder={t("old-password")}
-                    />
-                    <PasswordInput
-                      value={newPassword}
-                      onChange={(e) => setNewPassword(e.target.value)}
-                      placeholder={t("new-password")}
-                    />
-                    <PasswordInput
-                      value={confirmPassword}
-                      onChange={(e) => setConfirmPassword(e.target.value)}
-                      placeholder={t("confirm-password")}
-                    />
-                  </Stack>
-                </Dialog.Body>
-                <Dialog.Footer>
-                  <Stack w="100%" gap={3}>
-                    {isMsg && (
-                      <MyAlert
-                        status={msgStatus}
-                        title={msgTitle}
-                        description={msgDescription}
-                      />
-                    )}
-                    <HStack justify="flex-end" gap={2}>
-                      <Dialog.ActionTrigger asChild>
-                        <Button variant="outline">{t("cancel")}</Button>
-                      </Dialog.ActionTrigger>
-                      <Button type="submit" colorScheme="teal">
-                        {t("save")}
-                      </Button>
-                    </HStack>
-                  </Stack>
-                </Dialog.Footer>
-              </form>
-              <Dialog.CloseTrigger asChild>
-                <CloseButton size="sm" />
-              </Dialog.CloseTrigger>
-            </Dialog.Content>
-          </Dialog.Positioner>
-        </Portal>
-      </Dialog.Root>
    </Stack>
  );
 };
--- a/FrontendV2/src/components/UserDialogue.tsx
+++ b/FrontendV2/src/components/UserDialogue.tsx
@@ -0,0 +1,220 @@
+import {
+  Button,
+  Flex,
+  Stack,
+  Text,
+  CloseButton,
+  Dialog,
+  Portal,
+  HStack,
+  Box,
+  Avatar,
+  Card,
+  Grid,
+} from "@chakra-ui/react";
+import { PasswordInput } from "@/components/ui/password-input";
+import { RotateCcwKey } from "lucide-react";
+import MyAlert from "./myChakra/MyAlert";
+import { API_BASE } from "@/config/api.config";
+import { useUserContext } from "@/states/Context";
+import { useState } from "react";
+import { useTranslation } from "react-i18next";
+import Cookies from "js-cookie";
+
+type UserDialogueProps = {
+  setUserDialog: (value: boolean) => void;
+  fullname: string;
+  randomColor: string[];
+};
+
+export const UserDialogue = (props: UserDialogueProps) => {
+  const userData = useUserContext();
+  const { t } = useTranslation();
+  // Error handling states
+  const [isMsg, setIsMsg] = useState(false);
+  const [msgStatus, setMsgStatus] = useState<"error" | "success">("error");
+  const [msgTitle, setMsgTitle] = useState("");
+  const [msgDescription, setMsgDescription] = useState("");
+
+  const [oldPassword, setOldPassword] = useState("");
+  const [newPassword, setNewPassword] = useState("");
+  const [confirmPassword, setConfirmPassword] = useState("");
+
+  // Dialog control
+  const [isPwOpen, setPwOpen] = useState(false);
+
+  const changePassword = async () => {
+    if (newPassword !== confirmPassword) {
+      setMsgTitle(t("err_pw_change"));
+      setMsgDescription(t("pw_mismatch"));
+      setMsgStatus("error");
+      setIsMsg(true);
+      return;
+    }
+
+    const response = await fetch(`${API_BASE}/api/users/change-password`, {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/json",
+        Authorization: `Bearer ${Cookies.get("token")}`,
+      },
+      body: JSON.stringify({ oldPassword, newPassword }),
+    });
+
+    if (!response.ok) {
+      setMsgTitle(t("err_pw_change"));
+      setMsgDescription(t("pw_mismatch"));
+      setMsgStatus("error");
+      setIsMsg(true);
+      return;
+    }
+
+    setMsgTitle(t("pw_success"));
+    setMsgDescription(t("pw_success_desc"));
+    setMsgStatus("success");
+    setIsMsg(true);
+
+    setOldPassword("");
+    setNewPassword("");
+    setConfirmPassword("");
+  };
+
+  return (
+    <Flex
+      position="fixed"
+      inset={0}
+      zIndex={1000}
+      align="center"
+      justify="center"
+      bg="blackAlpha.400"
+      backdropFilter="blur(6px)"
+    >
+      <Card.Root maxW="sm" w="full" mx={4}>
+        <Card.Header>
+          <Card.Title>
+            <Flex justify="center" align="center" w="100%">
+              <Avatar.Root
+                size={"2xl"}
+                colorPalette={props.randomColor[Math.floor(Math.random() * 10)]}
+              >
+                <Avatar.Fallback name={props.fullname} />
+              </Avatar.Root>
+            </Flex>
+          </Card.Title>
+          <Card.Description>{t("user-info-desc")}</Card.Description>
+        </Card.Header>
+        <Card.Body>
+          <Stack gap="4" w="full">
+            <Box as="dl">
+              <Grid
+                templateColumns="auto 1fr"
+                rowGap={2}
+                columnGap={4}
+                alignItems="start"
+              >
+                <Text as="dt" fontWeight="bold" textAlign="left">
+                  {t("first-name")}:
+                </Text>
+                <Text as="dd">{userData.first_name}</Text>
+
+                <Text as="dt" fontWeight="bold" textAlign="left">
+                  {t("last-name")}:
+                </Text>
+                <Text as="dd">{userData.last_name}</Text>
+
+                <Text as="dt" fontWeight="bold" textAlign="left">
+                  {t("username")}:
+                </Text>
+                <Text as="dd">{userData.username}</Text>
+
+                <Text as="dt" fontWeight="bold" textAlign="left">
+                  {t("role")}:
+                </Text>
+                <Text as="dd">{userData.role}</Text>
+
+                <Text as="dt" fontWeight="bold" textAlign="left">
+                  {t("admin-status")}:
+                </Text>
+                <Text as="dd">{userData.is_admin ? t("yes") : t("no")}</Text>
+              </Grid>
+            </Box>
+
+            <Button variant="solid" onClick={() => setPwOpen(true)}>
+              <HStack gap={2}>
+                <RotateCcwKey size={18} />
+                <Text as="span">{t("change-password")}</Text>
+              </HStack>
+            </Button>
+          </Stack>
+        </Card.Body>
+        <Card.Footer justifyContent="flex-end">
+          <Button variant="outline" onClick={() => props.setUserDialog(false)}>
+            {t("cancel")}
+          </Button>
+        </Card.Footer>
+      </Card.Root>
+
+      {/* Passwort-Dialog (kontrolliert) */}
+      <Dialog.Root open={isPwOpen} onOpenChange={(e: any) => setPwOpen(e.open)}>
+        <Portal>
+          <Dialog.Backdrop />
+          <Dialog.Positioner>
+            <Dialog.Content maxW="md">
+              <Dialog.Header>
+                <Dialog.Title>{t("change-password")}</Dialog.Title>
+              </Dialog.Header>
+              <form
+                onSubmit={(e) => {
+                  e.preventDefault();
+                  changePassword();
+                }}
+              >
+                <Dialog.Body>
+                  <Stack gap={3}>
+                    <PasswordInput
+                      value={oldPassword}
+                      onChange={(e) => setOldPassword(e.target.value)}
+                      placeholder={t("old-password")}
+                    />
+                    <PasswordInput
+                      value={newPassword}
+                      onChange={(e) => setNewPassword(e.target.value)}
+                      placeholder={t("new-password")}
+                    />
+                    <PasswordInput
+                      value={confirmPassword}
+                      onChange={(e) => setConfirmPassword(e.target.value)}
+                      placeholder={t("confirm-password")}
+                    />
+                  </Stack>
+                </Dialog.Body>
+                <Dialog.Footer>
+                  <Stack w="100%" gap={3}>
+                    {isMsg && (
+                      <MyAlert
+                        status={msgStatus}
+                        title={msgTitle}
+                        description={msgDescription}
+                      />
+                    )}
+                    <HStack justify="flex-end" gap={2}>
+                      <Dialog.ActionTrigger asChild>
+                        <Button variant="outline">{t("cancel")}</Button>
+                      </Dialog.ActionTrigger>
+                      <Button type="submit" colorScheme="teal">
+                        {t("save")}
+                      </Button>
+                    </HStack>
+                  </Stack>
+                </Dialog.Footer>
+              </form>
+              <Dialog.CloseTrigger asChild>
+                <CloseButton size="sm" />
+              </Dialog.CloseTrigger>
+            </Dialog.Content>
+          </Dialog.Positioner>
+        </Portal>
+      </Dialog.Root>
+    </Flex>
+  );
+};
--- a/FrontendV2/src/pages/ContactPage.tsx
+++ b/FrontendV2/src/pages/ContactPage.tsx
@@ -0,0 +1,84 @@
+import {
+  Field,
+  Textarea,
+  Button,
+  Alert,
+  Container,
+  Text,
+} from "@chakra-ui/react";
+import { useTranslation } from "react-i18next";
+import { useState } from "react";
+import { API_BASE } from "@/config/api.config";
+import Cookies from "js-cookie";
+import { Header } from "@/components/Header";
+
+interface Alert {
+  type: "info" | "warning" | "success" | "error" | "neutral";
+  headline: string;
+  text: string;
+}
+
+export const ContactPage = () => {
+  const { t } = useTranslation();
+  const [message, setMessage] = useState("");
+  const [alert, setAlert] = useState<Alert | null>(null);
+
+  const sendMessage = async () => {
+    // Logic to send the message
+    const result = await fetch(`${API_BASE}/api/users/contact`, {
+      method: "POST",
+      headers: {
+        Authorization: `Bearer ${Cookies.get("token") || ""}`,
+        "Content-Type": "application/json",
+        Accept: "application/json",
+      },
+      body: JSON.stringify({ message }),
+    });
+
+    if (result.ok) {
+      setAlert({
+        type: "success",
+        headline: t("contactPage_successHeadline"),
+        text: t("contactPage_successText"),
+      });
+      setMessage("");
+    } else {
+      setAlert({
+        type: "error",
+        headline: t("contactPage_errorHeadline"),
+        text: t("contactPage_errorText"),
+      });
+    }
+  };
+
+  return (
+    <Container className="px-6 sm:px-8 pt-10">
+      <Header />
+      <Field.Root invalid={message === ""}>
+        <Field.Label>
+          <Text>{t("contactPage_messageDescription")}</Text>
+          <Field.RequiredIndicator />
+        </Field.Label>
+        <Textarea
+          placeholder={t("contactPage_messagePlaceholder")}
+          variant="subtle"
+          value={message}
+          onChange={(e) => setMessage(e.target.value)}
+        />
+        {message === "" && (
+          <Field.ErrorText>{t("contactPage_messageErrorText")}</Field.ErrorText>
+        )}
+      </Field.Root>
+      {alert && (
+        <Alert.Root status={alert.type}>
+          <Alert.Indicator />
+          <Alert.Content>
+            <Alert.Title>{alert.headline}</Alert.Title>
+            <Alert.Description>{alert.text}</Alert.Description>
+          </Alert.Content>
+        </Alert.Root>
+      )}
+      <Button onClick={sendMessage}>{t("contactPage_sendButton")}</Button>
+    </Container>
+  );
+};
--- a/FrontendV2/src/pages/HomePage.tsx
+++ b/FrontendV2/src/pages/HomePage.tsx
@@ -108,7 +108,6 @@ export const HomePage = () => {
              }
              setBorrowableItems(response.data);
              setIsMsg(false);
-              console.log(borrowableItems);
            });
          }}
        >
--- a/FrontendV2/src/pages/LoginPage.tsx
+++ b/FrontendV2/src/pages/LoginPage.tsx
@@ -4,7 +4,7 @@ import { Button, Card, Field, Input, Stack } from "@chakra-ui/react";
 import { setIsLoggedInAtom, triggerLogoutAtom } from "@/states/Atoms";
 import { useAtom } from "jotai";
 import Cookies from "js-cookie";
-import { Navigate, useNavigate } from "react-router-dom";
+import { Navigate, useNavigate, useLocation } from "react-router-dom";
 import { PasswordInput } from "@/components/ui/password-input";
 import { useTranslation } from "react-i18next";
 import { Footer } from "@/components/footer/Footer";
@@ -16,13 +16,15 @@ export const LoginPage = () => {
  const [isLoggedIn, setIsLoggedIn] = useAtom(setIsLoggedInAtom);
  const [triggerLogout, setTriggerLogout] = useAtom(triggerLogoutAtom);
  const navigate = useNavigate();
+  const location = useLocation();
+  const from = location.state?.from?.pathname || "/";

  useEffect(() => {
    if (isLoggedIn) {
-      navigate("/", { replace: true });
-      window.location.reload(); // Wenn entfernt: Seite bleibt schwarz und muss manuell neu geladen werden
+      navigate(from, { replace: true });
+      window.location.reload(); // if deleted, the user context is not updated in time
    }
-  }, [isLoggedIn, navigate]);
+  }, [isLoggedIn, navigate, from]);

  const loginFnc = async (username: string, password: string) => {
    const response = await fetch(`${API_BASE}/api/users/login`, {
@@ -61,11 +63,11 @@ export const LoginPage = () => {
      return;
    }
    setTriggerLogout(false);
-    navigate("/", { replace: true });
+    navigate(from, { replace: true });
  };

  if (isLoggedIn) {
-    return <Navigate to="/" replace />;
+    return <Navigate to={from} replace />;
  }

  return (
--- a/FrontendV2/src/pages/MyLoansPage.tsx
+++ b/FrontendV2/src/pages/MyLoansPage.tsx
@@ -112,6 +112,86 @@ export const MyLoansPage = () => {
    return `${d}.${M}.${y} ${h}:${min}`;
  };

+  const handleTakeAction = async (loanCode: string) => {
+    try {
+      const res = await fetch(
+        `${API_BASE}/api/loans/set-take-date/${loanCode}`,
+        {
+          method: "POST",
+          headers: {
+            Authorization: `Bearer ${Cookies.get("token")}`,
+          },
+        },
+      );
+
+      if (!res.ok) {
+        setMsgStatus("error");
+        setMsgTitle(t("error"));
+        setMsgDescription(t("error-take-loan"));
+        setIsMsg(true);
+        return;
+      }
+
+      // Update the loan in state
+      setLoans((prev) =>
+        prev.map((loan) =>
+          loan.loan_code === loanCode
+            ? { ...loan, take_date: new Date().toISOString() }
+            : loan,
+        ),
+      );
+      setMsgStatus("success");
+      setMsgTitle(t("success"));
+      setMsgDescription(t("take-loan-success"));
+      setIsMsg(true);
+    } catch (e) {
+      setMsgStatus("error");
+      setMsgTitle(t("error"));
+      setMsgDescription(t("network-error"));
+      setIsMsg(true);
+    }
+  };
+
+  const handleReturnAction = async (loanCode: string) => {
+    try {
+      const res = await fetch(
+        `${API_BASE}/api/loans/set-return-date/${loanCode}`,
+        {
+          method: "POST",
+          headers: {
+            Authorization: `Bearer ${Cookies.get("token")}`,
+          },
+        },
+      );
+
+      if (!res.ok) {
+        setMsgStatus("error");
+        setMsgTitle(t("error"));
+        setMsgDescription(t("error-return-loan"));
+        setIsMsg(true);
+        return;
+      }
+
+      // Update the loan in state
+      setLoans((prev) =>
+        prev.map((loan) =>
+          loan.loan_code === loanCode
+            ? { ...loan, returned_date: new Date().toISOString() }
+            : loan,
+        ),
+      );
+      setMsgStatus("success");
+      setMsgTitle(t("success"));
+      setMsgDescription(t("return-loan-success"));
+      setIsMsg(true);
+    } catch (e) {
+      setMsgStatus("error");
+      setMsgTitle(t("error"));
+      setMsgDescription(t("network-error"));
+      setIsMsg(true);
+    }
+  };
+
  return (
    <>
      <Container className="px-6 sm:px-8 pt-10">
@@ -190,8 +270,33 @@ export const MyLoansPage = () => {
                          : "-"}
                      </Text>
                    </Table.Cell>
-                    <Table.Cell>{formatDate(loan.take_date)}</Table.Cell>
-                    <Table.Cell>{formatDate(loan.returned_date)}</Table.Cell>
+                    <Table.Cell>
+                      {loan.take_date ? (
+                        formatDate(loan.take_date)
+                      ) : (
+                        <Button
+                          size="xs"
+                          colorPalette="teal"
+                          onClick={() => handleTakeAction(loan.loan_code)}
+                        >
+                          {t("take")}
+                        </Button>
+                      )}
+                    </Table.Cell>
+                    <Table.Cell>
+                      {loan.returned_date ? (
+                        formatDate(loan.returned_date)
+                      ) : (
+                        <Button
+                          size="xs"
+                          colorPalette="blue"
+                          onClick={() => handleReturnAction(loan.loan_code)}
+                          disabled={!loan.take_date}
+                        >
+                          {t("return")}
+                        </Button>
+                      )}
+                    </Table.Cell>
                    <Table.Cell>{loan.note}</Table.Cell>
                    <Table.Cell>
                      <Dialog.Root role="alertdialog">
--- a/FrontendV2/src/utils/i18n/locales/de/de.json
+++ b/FrontendV2/src/utils/i18n/locales/de/de.json
@@ -63,7 +63,7 @@
    "timezone-info": "Die angezeigten Daten und Uhrzeiten werden in deutscher Zeitzone dargestellt und müssen auch so eingegeben werden.",
    "optional-note": "Optionale Notiz",
    "note": "Notiz",
-    "user-info-desc": "Hier können Sie Ihre persönlichen Informationen einsehen und ändern.",
+    "user-info-desc": "Hier können Sie Ihre persönlichen Informationen einsehen und das Passwort ändern. Falls Sie weitere Änderungen benötigen, wenden Sie sich bitte an einen Administrator.",
    "role": "Rolle",
    "admin-status": "Admin-Status",
    "first-name": "Vorname",
@@ -72,5 +72,20 @@
    "last-borrowed-person": "Zuletzt ausgeliehen von",
    "currently-borrowed-by": "Derzeit ausgeliehen von",
    "back": "Zurückgehen",
-    "landingpage": "Übersichtsseite"
+    "landingpage": "Übersichtsseite",
+    "contactPage_successHeadline": "Nachricht erfolgreich gesendet",
+    "contactPage_successText": "Vielen Dank, dass Sie uns kontaktiert haben. Wir werden uns so schnell wie möglich bei Ihnen melden.",
+    "contactPage_errorHeadline": "Fehler beim Senden der Nachricht",
+    "contactPage_errorText": "Beim Senden Ihrer Nachricht ist ein Fehler aufgetreten. Bitte versuchen Sie es später erneut.",
+    "contactPage_sendButton": "Nachricht senden",
+    "contactPage_messageLabel": "Nachricht",
+    "contactPage_messagePlaceholder": "Geben Sie hier Ihre Nachricht ein...",
+    "contactPage_messageErrorText": "Dieses Feld darf nicht leer sein.",
+    "contact": "Kontakt",
+    "take": "Abholen",
+    "return": "Zurückgeben",
+    "take-loan-success": "Ausleihe erfolgreich abgeholt",
+    "return-loan-success": "Ausleihe erfolgreich zurückgegeben",
+    "network-error": "Netzwerkfehler. Kontaktieren Sie den Administrator.",
+    "contactPage_messageDescription": "Bitte geben Sie hier Ihre Nachricht ein. Der Systemadministrator (Theis Gaedigk) wird sich so schnell wie möglich bei Ihnen melden."
 }
--- a/FrontendV2/src/utils/i18n/locales/en/en.json
+++ b/FrontendV2/src/utils/i18n/locales/en/en.json
@@ -63,7 +63,7 @@
    "timezone-info": "The displayed dates and times are shown in Berlin timezone and must also be entered as such.",
    "optional-note": "Optional note",
    "note": "Note",
-    "user-info-desc": "Here you can view and edit your personal information.",
+    "user-info-desc": "Here you can view your personal information and change your password. If you need to make further changes, please contact an administrator.",
    "role": "Role",
    "admin-status": "Admin status",
    "first-name": "First name",
@@ -72,5 +72,20 @@
    "last-borrowed-person": "Last borrowed by",
    "currently-borrowed-by": "Currently borrowed by",
    "back": "Go back",
-    "landingpage": "Overview page"
+    "landingpage": "Overview page",
+    "contactPage_successHeadline": "Message sent successfully",
+    "contactPage_successText": "Thank you for contacting us. We will get back to you as soon as possible.",
+    "contactPage_errorHeadline": "Error sending message",
+    "contactPage_errorText": "An error occurred while sending your message. Please try again later.",
+    "contactPage_sendButton": "Send message",
+    "contactPage_messageLabel": "Message",
+    "contactPage_messagePlaceholder": "Enter your message here...",
+    "contactPage_messageErrorText": "This field cannot be empty.",
+    "contact": "Contact",
+    "take": "Take",
+    "return": "Return",
+    "take-loan-success": "Loan taken successfully",
+    "return-loan-success": "Loan returned successfully",
+    "network-error": "Network error. Please contact the administrator.",
+    "contactPage_messageDescription": "Please enter your message here. The system administrator (Theis Gaedigk) will get back to you as soon as possible."
 }
--- a/admin/index.html
+++ b/admin/index.html
@@ -1,10 +1,10 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="en">
  <head>
    <meta charset="UTF-8" />
    <link rel="icon" type="image/svg+xml" href="/user-star.svg" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>Admin panel</title>
+    <title>Adminpanel</title>
  </head>
  <body>
    <div id="root"></div>
--- a/admin/nginx.conf
+++ b/admin/nginx.conf
@@ -9,6 +9,14 @@ server {
    try_files $uri $uri/ /index.html;
  }

+  location = /backend {
+    return 301 /backend/;
+  }
+
+  location /backend/ {
+    proxy_pass http://borrow_system-backend_v2:8004/;
+  }
+
  location ~* \.(?:js|mjs|css|png|jpg|jpeg|gif|ico|svg|woff2?)$ {
    expires 1y;
    access_log off;
--- a/admin/package-lock.json
+++ b/admin/package-lock.json
@@ -3675,12 +3675,16 @@
      "license": "MIT"
    },
    "node_modules/cookie": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/cookie/-/cookie-1.0.2.tgz",
-      "integrity": "sha512-9Kr/j4O16ISv8zBBhJoi4bXOYNTkFLOqSL3UDB0njXxCXNezjeyVrJyGOWtgfs/q2km1gwBcfH8q1yEGoMYunA==",
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/cookie/-/cookie-1.1.1.tgz",
+      "integrity": "sha512-ei8Aos7ja0weRpFzJnEA9UHJ/7XQmqglbRwnf2ATjcB9Wq874VKH9kfjjirM6UhU2/E5fFYadylyhFldcqSidQ==",
      "license": "MIT",
      "engines": {
        "node": ">=18"
+      },
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/express"
      }
    },
    "node_modules/cosmiconfig": {
@@ -4466,9 +4470,9 @@
      "license": "MIT"
    },
    "node_modules/js-yaml": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.0.tgz",
-      "integrity": "sha512-wpxZs9NoxZaJESJGIZTyDEaYpl0FKSA+FB9aJiyemKhMwkxQg63h4T1KJgUGHpTqPDNRcmmYLugrRjJlBtWvRA==",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.1.1.tgz",
+      "integrity": "sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==",
      "license": "MIT",
      "dependencies": {
        "argparse": "^2.0.1"
@@ -4904,9 +4908,9 @@
      }
    },
    "node_modules/minizlib": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-3.0.2.tgz",
-      "integrity": "sha512-oG62iEk+CYt5Xj2YqI5Xi9xWUeZhDI8jjQmC5oThVH5JGCTgIjr7ciJDzC7MBzYd//WvR1OTmP5Q38Q8ShQtVA==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-3.1.0.tgz",
+      "integrity": "sha512-KZxYo1BUkWD2TVFLr0MQoM8vUUigWD3LlD83a/75BqC+4qE0Hb1Vo5v1FgcfaNXvfXzr+5EhQ6ing/CaBijTlw==",
      "license": "MIT",
      "dependencies": {
        "minipass": "^7.1.2"
@@ -4915,21 +4919,6 @@
        "node": ">= 18"
      }
    },
-    "node_modules/mkdirp": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-3.0.1.tgz",
-      "integrity": "sha512-+NsyUUAZDmo6YVHzL/stxSu3t9YS1iljliy3BSDrXJ/dkn1KYdmtZODGGjLcc9XLgVVpH4KshHB8XmZgMhaBXg==",
-      "license": "MIT",
-      "bin": {
-        "mkdirp": "dist/cjs/src/bin.js"
-      },
-      "engines": {
-        "node": ">=10"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/isaacs"
-      }
-    },
    "node_modules/ms": {
      "version": "2.1.3",
      "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
@@ -5307,9 +5296,9 @@
      }
    },
    "node_modules/react-router": {
-      "version": "7.8.2",
-      "resolved": "https://registry.npmjs.org/react-router/-/react-router-7.8.2.tgz",
-      "integrity": "sha512-7M2fR1JbIZ/jFWqelpvSZx+7vd7UlBTfdZqf6OSdF9g6+sfdqJDAWcak6ervbHph200ePlu+7G8LdoiC3ReyAQ==",
+      "version": "7.13.0",
+      "resolved": "https://registry.npmjs.org/react-router/-/react-router-7.13.0.tgz",
+      "integrity": "sha512-PZgus8ETambRT17BUm/LL8lX3Of+oiLaPuVTRH3l1eLvSPpKO3AvhAEb5N7ihAFZQrYDqkvvWfFh9p0z9VsjLw==",
      "license": "MIT",
      "dependencies": {
        "cookie": "^1.0.1",
@@ -5329,12 +5318,12 @@
      }
    },
    "node_modules/react-router-dom": {
-      "version": "7.8.2",
-      "resolved": "https://registry.npmjs.org/react-router-dom/-/react-router-dom-7.8.2.tgz",
-      "integrity": "sha512-Z4VM5mKDipal2jQ385H6UBhiiEDlnJPx6jyWsTYoZQdl5TrjxEV2a9yl3Fi60NBJxYzOTGTTHXPi0pdizvTwow==",
+      "version": "7.13.0",
+      "resolved": "https://registry.npmjs.org/react-router-dom/-/react-router-dom-7.13.0.tgz",
+      "integrity": "sha512-5CO/l5Yahi2SKC6rGZ+HDEjpjkGaG/ncEP7eWFTvFxbHP8yeeI0PxTDjimtpXYlR3b3i9/WIL4VJttPrESIf2g==",
      "license": "MIT",
      "dependencies": {
-        "react-router": "7.8.2"
+        "react-router": "7.13.0"
      },
      "engines": {
        "node": ">=20.0.0"
@@ -5492,9 +5481,9 @@
      }
    },
    "node_modules/set-cookie-parser": {
-      "version": "2.7.1",
-      "resolved": "https://registry.npmjs.org/set-cookie-parser/-/set-cookie-parser-2.7.1.tgz",
-      "integrity": "sha512-IOc8uWeOZgnb3ptbCURJWNjWUPcO3ZnTTdzsurqERrP6nPyv+paC55vJM0LpOlT2ne+Ix+9+CRG1MNLlyZ4GjQ==",
+      "version": "2.7.2",
+      "resolved": "https://registry.npmjs.org/set-cookie-parser/-/set-cookie-parser-2.7.2.tgz",
+      "integrity": "sha512-oeM1lpU/UvhTxw+g3cIfxXHyJRc/uidd3yK1P242gzHds0udQBYzs3y8j4gCCW+ZJ7ad0yctld8RYO+bdurlvw==",
      "license": "MIT"
    },
    "node_modules/shebang-command": {
@@ -5649,16 +5638,15 @@
      }
    },
    "node_modules/tar": {
-      "version": "7.4.3",
-      "resolved": "https://registry.npmjs.org/tar/-/tar-7.4.3.tgz",
-      "integrity": "sha512-5S7Va8hKfV7W5U6g3aYxXmlPoZVAwUMy9AOKyF2fVuZa2UD3qZjg578OrLRt8PcNN1PleVaL/5/yYATNL0ICUw==",
-      "license": "ISC",
+      "version": "7.5.7",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-7.5.7.tgz",
+      "integrity": "sha512-fov56fJiRuThVFXD6o6/Q354S7pnWMJIVlDBYijsTNx6jKSE4pvrDTs6lUnmGvNyfJwFQQwWy3owKz1ucIhveQ==",
+      "license": "BlueOak-1.0.0",
      "dependencies": {
        "@isaacs/fs-minipass": "^4.0.0",
        "chownr": "^3.0.0",
        "minipass": "^7.1.2",
-        "minizlib": "^3.0.1",
-        "mkdirp": "^3.0.1",
+        "minizlib": "^3.1.0",
        "yallist": "^5.0.0"
      },
      "engines": {
--- a/admin/src/components/APIKeyTable.tsx
+++ b/admin/src/components/APIKeyTable.tsx
@@ -63,7 +63,6 @@ const APIKeyTable: React.FC = () => {
          }
        );
        const data = await response.json();
-        console.log(data);
        return data;
      } catch (error) {
        setError("error", "Failed to fetch items", "There is an error");
--- a/admin/src/components/ItemTable.tsx
+++ b/admin/src/components/ItemTable.tsx
@@ -193,7 +193,12 @@ const ItemTable: React.FC = () => {

      {/* make table fill available width, like UserTable */}
      {!isLoading && (
-        <Table.Root size="sm" striped w="100%" style={{ tableLayout: "auto" }}>
+        <Table.Root
+          size="sm"
+          striped
+          w="100%"
+          style={{ tableLayout: "auto" }} // Spalten nach Content
+        >
          <Table.Header>
            <Table.Row>
              <Table.ColumnHeader>
@@ -208,10 +213,10 @@ const ItemTable: React.FC = () => {
              <Table.ColumnHeader>
                <strong>Im Schließfach</strong>
              </Table.ColumnHeader>
-              <Table.ColumnHeader>
+              <Table.ColumnHeader width="1%" whiteSpace="nowrap">
                <strong>Schließfachnummer</strong>
              </Table.ColumnHeader>
-              <Table.ColumnHeader>
+              <Table.ColumnHeader width="1%" whiteSpace="nowrap">
                <strong>Schlüssel</strong>
              </Table.ColumnHeader>
              <Table.ColumnHeader>
@@ -226,7 +231,7 @@ const ItemTable: React.FC = () => {
              <Table.ColumnHeader>
                <strong>Dav **</strong>
              </Table.ColumnHeader>
-              <Table.ColumnHeader>
+              <Table.ColumnHeader width="1%" whiteSpace="nowrap">
                <strong>Aktionen</strong>
              </Table.ColumnHeader>
            </Table.Row>
@@ -314,7 +319,7 @@ const ItemTable: React.FC = () => {
                <Table.Cell>{formatDateTime(item.entry_updated_at)}</Table.Cell>
                <Table.Cell>{item.last_borrowed_person}</Table.Cell>
                <Table.Cell>{item.currently_borrowing}</Table.Cell>
-                <Table.Cell>
+                <Table.Cell whiteSpace="nowrap">
                  <Button
                    onClick={() =>
                      handleEditItems(
--- a/admin/src/components/UserTable.tsx
+++ b/admin/src/components/UserTable.tsx
@@ -85,7 +85,6 @@ const UserTable: React.FC = () => {
      setIsLoading(true);
      try {
        const data = await fetchUserData();
-        console.log(data);
        if (Array.isArray(data)) {
          setUsers(data);
        } else {
--- a/admin/src/utils/userActions.ts
+++ b/admin/src/utils/userActions.ts
@@ -167,7 +167,6 @@ export const createItem = async (
  can_borrow_role: number,
  lockerNumber: string | null
 ) => {
-  console.log(JSON.stringify({ item_name, can_borrow_role, lockerNumber }));
  try {
    const response = await fetch(
      `${API_BASE}/api/admin/item-data/create-item`,
--- a/admin/tsconfig.app.json
+++ b/admin/tsconfig.app.json
@@ -30,7 +30,7 @@
    },

    "forceConsistentCasingInFileNames": true,
-    "ignoreDeprecations": "5.0"
+    "ignoreDeprecations": "6.0"
  },
  "include": ["src"]
 }
--- a/backendV2/info.json
+++ b/backendV2/info.json
@@ -1,11 +1,11 @@
 {
    "backend-info": {
-        "version": "v2.0.1 (dev)"
+        "version": "v2.1 (demo)"
    },
    "frontend-info": {
-        "version": "v2.0 (dev)"
+        "version": "v2.1 (demo)"
    },
    "admin-panel-info": {
-        "version": "v1.3 (dev)"
+        "version": "v1.3.2 (demo)"
    }
 }
--- a/backendV2/routes/admin/database/userDataMgmt.database.js
+++ b/backendV2/routes/admin/database/userDataMgmt.database.js
@@ -18,11 +18,11 @@ export const createUser = async (
  isAdmin,
  email,
  first_name,
-  last_name
+  last_name,
 ) => {
  const [result] = await pool.query(
    "INSERT INTO users (username, role, password, is_admin, email, first_name, last_name) VALUES (?, ?, ?, ?, ?, ?, ?)",
-    [username, role, password, isAdmin, email, first_name, last_name]
+    [username, role, password, isAdmin, email, first_name, last_name],
  );
  if (result.affectedRows > 0) return { success: true };
  return { success: false };
@@ -34,10 +34,10 @@ export const deleteUserById = async (userId) => {
  return { success: false };
 };

-export const changePassword = async (userId, newPassword) => {
+export const changePassword = async (username, newPassword) => {
  const [result] = await pool.query(
-    "UPDATE users SET password = ?, entry_updated_at = NOW() WHERE id = ?",
-    [newPassword, userId]
+    "UPDATE users SET password = ?, entry_updated_at = NOW() WHERE username = ?",
+    [newPassword, username],
  );
  if (result.affectedRows > 0) return { success: true };
  return { success: false };
@@ -49,11 +49,11 @@ export const editUserById = async (
  last_name,
  role,
  email,
-  is_admin
+  is_admin,
 ) => {
  const [result] = await pool.query(
    "UPDATE users SET  first_name = ?, last_name = ?, role = ?, email = ?, is_admin = ?, entry_updated_at = NOW() WHERE id = ?",
-    [first_name, last_name, role, email, is_admin, userId]
+    [first_name, last_name, role, email, is_admin, userId],
  );
  if (result.affectedRows > 0) return { success: true };
  return { success: false };
@@ -61,7 +61,7 @@ export const editUserById = async (

 export const getAllUsers = async () => {
  const [result] = await pool.query(
-    "SELECT id, username, first_name, last_name, role, email, is_admin, entry_created_at, entry_updated_at FROM users"
+    "SELECT id, username, first_name, last_name, role, email, is_admin, entry_created_at, entry_updated_at FROM users",
  );
  if (result.length > 0) return { success: true, data: result };
  return { success: false };
@@ -70,7 +70,7 @@ export const getAllUsers = async () => {
 export const getUserById = async (userId) => {
  const [rows] = await pool.query(
    "SELECT id, username, first_name, last_name, role, email, is_admin FROM users WHERE id = ?",
-    [userId]
+    [userId],
  );
  if (rows.length === 0) {
    return { success: false };
--- a/backendV2/routes/app/database/loansMgmt.database.js
+++ b/backendV2/routes/app/database/loansMgmt.database.js
@@ -16,7 +16,7 @@ export const createLoanInDatabase = async (
  startDate,
  endDate,
  note,
-  itemIds
+  itemIds,
 ) => {
  if (!username)
    return { success: false, code: "BAD_REQUEST", message: "Missing username" };
@@ -52,7 +52,7 @@ export const createLoanInDatabase = async (
    // Ensure all items exist and collect names + lockers
    const [itemsRows] = await conn.query(
      "SELECT id, item_name, safe_nr FROM items WHERE id IN (?)",
-      [itemIds]
+      [itemIds],
    );
    if (!itemsRows || itemsRows.length !== itemIds.length) {
      await conn.rollback();
@@ -65,7 +65,7 @@ export const createLoanInDatabase = async (

    const itemNames = itemIds
      .map(
-        (id) => itemsRows.find((r) => Number(r.id) === Number(id))?.item_name
+        (id) => itemsRows.find((r) => Number(r.id) === Number(id))?.item_name,
      )
      .filter(Boolean);

@@ -80,9 +80,9 @@ export const createLoanInDatabase = async (
              sn !== undefined &&
              Number.isInteger(Number(sn)) &&
              Number(sn) >= 0 &&
-              Number(sn) <= 99
+              Number(sn) <= 99,
          )
-          .map((sn) => Number(sn))
+          .map((sn) => Number(sn)),
      ),
    ];

@@ -98,7 +98,7 @@ export const createLoanInDatabase = async (
          AND l.start_date < ?
          AND COALESCE(l.returned_date, l.end_date) > ?
        `,
-      [itemIds, end, start]
+      [itemIds, end, start],
    );
    if (confRows?.[0]?.conflicts > 0) {
      await conn.rollback();
@@ -115,7 +115,7 @@ export const createLoanInDatabase = async (
      const candidate = Math.floor(100000 + Math.random() * 899999); // 6 digits
      const [exists] = await conn.query(
        "SELECT 1 FROM loans WHERE loan_code = ? LIMIT 1",
-        [candidate]
+        [candidate],
      );
      if (exists.length === 0) {
        loanCode = candidate;
@@ -146,7 +146,7 @@ export const createLoanInDatabase = async (
        JSON.stringify(itemIds.map((n) => Number(n))),
        JSON.stringify(itemNames),
        note,
-      ]
+      ],
    );

    await conn.commit();
@@ -189,7 +189,7 @@ export const getLoanInfoWithID = async (loanId) => {
 export const getLoansFromDatabase = async (username) => {
  const [result] = await pool.query(
    "SELECT * FROM loans WHERE username = ? AND deleted = 0;",
-    [username]
+    [username],
  );
  if (result.length > 0) {
    return { success: true, status: true, data: result };
@@ -202,7 +202,7 @@ export const getLoansFromDatabase = async (username) => {
 export const getBorrowableItemsFromDatabase = async (
  startDate,
  endDate,
-  role = 0
+  role = 0,
 ) => {
  // Overlap if: loan.start < end AND effective_end > start
  // effective_end is returned_date if set, otherwise end_date
@@ -236,7 +236,7 @@ export const getBorrowableItemsFromDatabase = async (
 export const SETdeleteLoanFromDatabase = async (loanId) => {
  const [result] = await pool.query(
    "UPDATE loans SET deleted = 1 WHERE id = ?;",
-    [loanId]
+    [loanId],
  );
  if (result.affectedRows > 0) {
    return { success: true };
@@ -260,3 +260,69 @@ export const getItems = async () => {
  }
  return { success: false };
 };
+
+export const setReturnDate = async (loanCode) => {
+  const [items] = await pool.query(
+    "SELECT loaned_items_id FROM loans WHERE loan_code = ?",
+    [loanCode],
+  );
+
+  const [owner] = await pool.query(
+    "SELECT username FROM loans WHERE loan_code = ?",
+    [loanCode],
+  );
+
+  if (items.length === 0) return { success: false };
+
+  const itemIds = Array.isArray(items[0].loaned_items_id)
+    ? items[0].loaned_items_id
+    : JSON.parse(items[0].loaned_items_id || "[]");
+
+  const [setItemStates] = await pool.query(
+    "UPDATE items SET in_safe = 1, currently_borrowing = NULL, last_borrowed_person = (?) WHERE id IN (?)",
+    [owner[0].username, itemIds],
+  );
+
+  const [result] = await pool.query(
+    "UPDATE loans SET returned_date = NOW() WHERE loan_code = ?",
+    [loanCode],
+  );
+
+  if (result.affectedRows > 0 && setItemStates.affectedRows > 0) {
+    return { success: true };
+  }
+  return { success: false };
+};
+
+export const setTakeDate = async (loanCode) => {
+  const [items] = await pool.query(
+    "SELECT loaned_items_id FROM loans WHERE loan_code = ?",
+    [loanCode],
+  );
+
+  const [owner] = await pool.query(
+    "SELECT username FROM loans WHERE loan_code = ?",
+    [loanCode],
+  );
+
+  if (items.length === 0) return { success: false };
+
+  const itemIds = Array.isArray(items[0].loaned_items_id)
+    ? items[0].loaned_items_id
+    : JSON.parse(items[0].loaned_items_id || "[]");
+
+  const [setItemStates] = await pool.query(
+    "UPDATE items SET in_safe = 0, currently_borrowing = (?) WHERE id IN (?)",
+    [owner[0].username, itemIds],
+  );
+
+  const [result] = await pool.query(
+    "UPDATE loans SET take_date = NOW() WHERE loan_code = ?",
+    [loanCode],
+  );
+
+  if (result.affectedRows > 0 && setItemStates.affectedRows > 0) {
+    return { success: true };
+  }
+  return { success: false };
+};
--- a/backendV2/routes/app/loanMgmt.route.js
+++ b/backendV2/routes/app/loanMgmt.route.js
@@ -13,6 +13,8 @@ import {
  getALLLoans,
  getItems,
  SETdeleteLoanFromDatabase,
+  setReturnDate,
+  setTakeDate,
 } from "./database/loansMgmt.database.js";
 import { sendMailLoan } from "./services/mailer.js";

@@ -48,7 +50,7 @@ router.post("/createLoan", authenticate, async (req, res) => {
      start,
      end,
      note,
-      itemIds
+      itemIds,
    );

    if (result.success) {
@@ -59,7 +61,7 @@ router.post("/createLoan", authenticate, async (req, res) => {
        mailInfo.data.loaned_items_name,
        mailInfo.data.start_date,
        mailInfo.data.end_date,
-        mailInfo.data.created_at
+        mailInfo.data.created_at,
      );
      return res.status(201).json({
        message: "Loan created successfully",
@@ -96,6 +98,26 @@ router.get("/loans", authenticate, async (req, res) => {
  }
 });

+router.post("/set-return-date/:loan_code", authenticate, async (req, res) => {
+  const loanCode = req.params.loan_code;
+  const result = await setReturnDate(loanCode);
+  if (result.success) {
+    res.status(200).json({ data: result.data });
+  } else {
+    res.status(500).json({ message: "Failed to set return date" });
+  }
+});
+
+router.post("/set-take-date/:loan_code", authenticate, async (req, res) => {
+  const loanCode = req.params.loan_code;
+  const result = await setTakeDate(loanCode);
+  if (result.success) {
+    res.status(200).json({ data: result.data });
+  } else {
+    res.status(500).json({ message: "Failed to set take date" });
+  }
+});
+
 router.get("/all-items", authenticate, async (req, res) => {
  const result = await getItems();
  if (result.success) {
@@ -135,7 +157,7 @@ router.post("/borrowable-items", authenticate, async (req, res) => {
  const result = await getBorrowableItemsFromDatabase(
    startDate,
    endDate,
-    req.user.role
+    req.user.role,
  );
  if (result.success) {
    // return the array directly for consistency with /items
--- a/backendV2/routes/app/services/mailer.js
+++ b/backendV2/routes/app/services/mailer.js
@@ -41,7 +41,7 @@ function buildLoanEmail({ user, items, startDate, endDate, createdDate }) {
      ? `<ul style="margin:4px 0 0 18px; padding:0;">${items
          .map(
            (i) =>
-              `<li style="margin:2px 0; color:#111827; line-height:1.3;">${i}</li>`
+              `<li style="margin:2px 0; color:#111827; line-height:1.3;">${i}</li>`,
          )
          .join("")}</ul>`
      : "<span style='color:#111827;'>N/A</span>";
@@ -101,19 +101,19 @@ function buildLoanEmail({ user, items, startDate, endDate, createdDate }) {
              <tr>
                <td style="padding:10px 14px; color:#6b7280; border-bottom:1px solid #ececec;">Startdatum</td>
                <td style="padding:10px 14px; font-weight:600; border-bottom:1px solid #ececec; color:#111827;">${formatDateTime(
-                  startDate
+                  startDate,
                )}</td>
              </tr>
              <tr>
                <td style="padding:10px 14px; color:#6b7280; border-bottom:1px solid #ececec;">Enddatum</td>
                <td style="padding:10px 14px; font-weight:600; border-bottom:1px solid #ececec; color:#111827;">${formatDateTime(
-                  endDate
+                  endDate,
                )}</td>
              </tr>
              <tr>
                <td style="padding:10px 14px; color:#6b7280;">Erstellt am</td>
                <td style="padding:10px 14px; font-weight:600; color:#111827;">${formatDateTime(
-                  createdDate
+                  createdDate,
                )}</td>
              </tr>
            </tbody>
@@ -174,8 +174,6 @@ export function sendMailLoan(user, items, startDate, endDate, createdDate) {
      html: buildLoanEmail({ user, items, startDate, endDate, createdDate }),
    });

-    // debugging logs
-    // console.log("Message sent:", info.messageId);
+    console.log("Loan message sent:", info.messageId);
  })();
-  // console.log("sendMailLoan called");
 }
--- a/backendV2/routes/app/services/mailer_v2.js
+++ b/backendV2/routes/app/services/mailer_v2.js
@@ -0,0 +1,43 @@
+import nodemailer from "nodemailer";
+import dotenv from "dotenv";
+dotenv.config();
+
+export function sendMail(username, message) {
+  const transporter = nodemailer.createTransport({
+    host: process.env.MAIL_HOST,
+    port: process.env.MAIL_PORT,
+    secure: true,
+    auth: {
+      user: process.env.MAIL_USER,
+      pass: process.env.MAIL_PASSWORD,
+    },
+  });
+
+  (async () => {
+    const mailText = `Neue Kontaktanfrage im Ausleihsystem.\n\nBenutzername: ${username}\n\nNachricht:\n${message}`;
+
+    const mailHtml = `<!DOCTYPE html>
+<html lang="de">
+  <head>
+    <meta charset="UTF-8" />
+    <title>Neue Nachricht im Ausleihsystem</title>
+  </head>
+  <body style="font-family: Arial, sans-serif; line-height: 1.5; color: #222;">
+    <h2>Neue Nachricht im Ausleihsystem</h2>
+    <p><strong>Benutzername:</strong> ${username}</p>
+    <p><strong>Nachricht:</strong></p>
+    <p style="white-space: pre-line;">${message}</p>
+  </body>
+</html>`;
+
+    const info = await transporter.sendMail({
+      from: '"Ausleihsystem" <noreply@mcs-medien.de>',
+      to: process.env.MAIL_SENDEES_CONTACT,
+      subject: "Sie haben eine neue Nachricht!",
+      text: mailText,
+      html: mailHtml,
+    });
+
+    console.log("Contact message sent: %s", info.messageId);
+  })();
+}
--- a/backendV2/routes/app/userMgmt.route.js
+++ b/backendV2/routes/app/userMgmt.route.js
@@ -6,6 +6,7 @@ dotenv.config();

 // database funcs import
 import { loginFunc, changePassword } from "./database/userMgmt.database.js";
+import { sendMail } from "./services/mailer_v2.js";

 router.post("/login", async (req, res) => {
  const result = await loginFunc(req.body.username, req.body.password);
@@ -35,4 +36,13 @@ router.post("/change-password", authenticate, async (req, res) => {
  }
 });

+router.post("/contact", authenticate, async (req, res) => {
+  const message = req.body.message;
+  const username = req.user.username;
+
+  sendMail(username, message);
+
+  res.status(200).json({ message: "Contact message sent successfully" });
+});
+
 export default router;
Author	SHA1	Message	Date
Theis Gaedigk	dc0a68f7f1	fixed version info	2026-02-07 17:42:21 +01:00
Theis Gaedigk	fe3a06e5ce	Merge branch 'dev' into demoDev	2026-02-07 17:41:57 +01:00
Theis Gaedigk	6efb0fee80	updated modules	2026-02-07 17:39:31 +01:00
Theis Gaedigk	2e98fa50de	refactor: update contact page message description and improve email logging	2026-02-07 17:33:16 +01:00
Theis Gaedigk	179f5686d1	Merge branch 'dev' into demoDev	2026-02-04 13:47:33 +01:00
Theis Gaedigk	7221ee1843	fixed message bug	2026-02-04 13:46:52 +01:00
Theis Gaedigk	28373e0231	changed version info	2026-02-01 15:47:51 +01:00
Theis Gaedigk	ae0cb5af81	changed website title	2026-01-28 18:32:50 +01:00
Theis Gaedigk	80f38fcd3d	fixed Admin Panel Bug: cannot change Password	2026-01-28 18:25:56 +01:00
Theis Gaedigk	70f3d1fdcc	added: User can return loan from web panel	2026-01-28 13:06:03 +01:00
Theis Gaedigk	4b08a574d8	fixed Bug: redirecting Also removed irrelavant console.logs	2026-01-28 12:43:58 +01:00
Theis Gaedigk	5aa8a32020	d	2026-01-27 21:26:31 +01:00
Theis Gaedigk	b58a04b030	edited contact page and header	2026-01-27 21:26:18 +01:00
Theis Gaedigk	e1615f9345	added functional mailer	2026-01-27 21:11:01 +01:00
Theis Gaedigk	ce760eb721	edited frontend for sending messages	2026-01-27 20:59:02 +01:00
Theis Gaedigk	109cd7660a	added contact page	2026-01-26 16:14:48 +01:00
Theis Gaedigk	727bd832dc	edited docs	2026-01-16 17:10:47 +01:00
Theis Gaedigk	3b93b1fa23	secured admin frontend as well	2026-01-16 17:09:11 +01:00
Theis Gaedigk	9963731b10	secured backend -> made backend internal accessable	2026-01-16 17:07:56 +01:00
Theis Gaedigk	5546401aa4	refactored dialogue component	2026-01-07 15:44:44 +01:00
Theis Gaedigk	2f405539fb	changed translation	2026-01-07 15:32:06 +01:00
Theis Gaedigk	c803e42a76	fixed docs api key example	2026-01-07 15:06:28 +01:00
Theis Gaedigk	76c0e6a64b	added 404	2025-12-05 14:44:09 +01:00
Theis Gaedigk	ebda6424c7	fixed design of item table in the admin panel	2025-12-05 10:17:46 +01:00
Theis Gaedigk	e362515eff	edited gitignore	2025-11-29 14:56:49 +01:00