added Cards for frontend and two new endpoints

backend/app/urls.py

@@ -11,4 +11,6 @@ urlpatterns = [
     path("api/get_rooms", views.get_rooms, name="get_rooms"),
     path("api/room_data_csv", views.room_data_csv_view, name="room_data_csv_view"), 
     path("api/room_data_csv_download", views.room_data_csv_download, name="room_data_csv_download"), 
+    path("api/get_rooms_from_building", views.get_rooms_from_building, name="get_rooms_from_building"), 
+    path("api/get_bau", views.get_bau, name="get_bau"), 
 ]

backend/app/views.py

@@ -130,6 +130,51 @@ def get_rooms(request):
 
     return JsonResponse({"rooms": sorted(rooms)})
 
+@require_http_methods(["GET"])
+def get_rooms_from_building(request):
+    building = request.GET.get("building")
+
+    if not building:
+        return JsonResponse({"error": "Missing 'building' parameter"}, status=400)
+
+    client = InfluxDBHelper(
+        url=os.getenv("INFLUXDB_URL"),
+        token=os.getenv("INFLUXDB_TOKEN"),
+        org=os.getenv("INFLUXDB_ORG"),
+        bucket=os.getenv("INFLUXDB_BUCKET"),
+    )
+
+    tables = client.list_rooms()
+    rooms = set()
+
+    for table in tables:
+        for record in table.records:
+            room = record.get_value()
+            if isinstance(room, str) and room.startswith(f"{building}/"):
+                rooms.add(room)
+
+    return JsonResponse({"building": building, "rooms": sorted(rooms)})
+
+@require_http_methods(["GET"])
+def get_bau(request):
+    client = InfluxDBHelper(
+        url=os.getenv("INFLUXDB_URL"),
+        token=os.getenv("INFLUXDB_TOKEN"),
+        org=os.getenv("INFLUXDB_ORG"),
+        bucket=os.getenv("INFLUXDB_BUCKET"),
+    )
+
+    tables = client.list_rooms()
+    baus = set()
+
+    for table in tables:
+        for record in table.records:
+            room = record.get_value()
+            if isinstance(room, str) and "/" in room:
+                bau = room.split("/")[0]
+                baus.add(bau)
+
+    return JsonResponse({"baus": sorted(baus)})
 
 @require_http_methods(["GET"])
 def room_data_csv_view(request):

frontend/src/components/BauCard.vue

+<template>
+  <RouterLink :to="`/buildings/${buildingId}`" class="bau-card">
+    <div class="card-background" :style="{ backgroundImage: `url(${image})` }"></div>
+    <div class="card-content">
+      <h3>{{ title }}</h3>
+      <p>{{ description }}</p>
+    </div>
+  </RouterLink>
+</template>
+
+<script setup lang="ts">
+defineProps<{
+  title: string
+  description: string
+  image: string
+  buildingId: string
+}>()
+</script>
+
+<style scoped>
+.bau-card {
+  display: block;
+  width: 100%;
+  max-width: 400px;
+  border-radius: 8px;
+  overflow: hidden;
+  text-decoration: none;
+  color: inherit;
+  background-color: white;
+  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
+  transition: transform 0.2s ease;
+}
+
+.bau-card:hover {
+  transform: translateY(-4px);
+}
+
+.card-background {
+  height: 130px;
+  background-size: cover;
+  background-position: center;
+  background-color: #e0e0e0;
+}
+
+.card-content {
+  padding: 1rem;
+}
+
+.card-content h3 {
+  margin: 0;
+  color: darkred;
+}
+
+.card-content p {
+  margin: 0.3rem 0 0;
+  color: #555;
+  font-size: 0.9rem;
+}
+</style>

frontend/src/components/NavBar.vue

@@ -10,6 +10,7 @@ import { RouterLink, RouterView } from 'vue-router'
         <RouterLink to="/">Home</RouterLink>
         <RouterLink to="/login">Login</RouterLink>
         <RouterLink to="/about">About</RouterLink>
+        <RouterLink to="/buildingsView">Gebäude</RouterLink>
         <RouterLink to="/register">Register</RouterLink>
       </nav>
     </div>

frontend/src/components/RoomCard.vue

+<template>
+  <RouterLink :to="`/rooms/${room}`" class="room-card">
+    <div class="card-content">
+      <h3>{{ room }}</h3>
+    </div>
+  </RouterLink>
+</template>
+
+<script setup lang="ts">
+defineProps<{
+  room: string
+}>()
+</script>
+
+<style scoped>
+.room-card {
+  display: block;
+  background: #f9f9f9;
+  border-radius: 8px;
+  text-decoration: none;
+  color: #333;
+  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
+  transition: transform 0.2s ease;
+  padding: 1rem;
+  text-align: center;
+}
+
+.room-card:hover {
+  transform: translateY(-4px);
+  background-color: #ffeaea;
+}
+
+.card-content h3 {
+  margin: 0;
+  color: darkred;
+}
+</style>

frontend/src/router/index.ts

@@ -2,6 +2,8 @@ import { createRouter, createWebHistory } from 'vue-router'
 import HomeView from '../views/HomeView.vue'
 import LoginView from '../views/LoginView.vue'
 import RegisterView from '../views/RegisterView.vue'
+import RoomNavView from '../views/RoomNavView.vue'
+import BuildingsView from '../views/BuildingsView.vue'
 
 const router = createRouter({
     history: createWebHistory(import.meta.env.BASE_URL),
@@ -21,6 +23,17 @@ const router = createRouter({
             name: 'register',
             component: RegisterView,
         },
+        {
+            path: '/roomNav',
+            name: 'roomNav',
+            component: RoomNavView,
+        },
+        {
+            path: '/buildingsView',
+            name: 'buildingsView',
+            component: BuildingsView,
+        },
+
         {
             path: '/about',
             name: 'about',

frontend/src/views/BuildingsView.vue

+<script setup lang="ts">
+import BauCard from '../components/BauCard.vue'
+
+const buildings = [
+  {
+    id: '1',
+    title: 'Bau 1',
+    description: 'Zentralgebäude mit Laboren',
+    image: '../assets/bau-1.png',
+  },
+  {
+    id: '2',
+    title: 'Bau 2',
+    description: 'Informatik und IT-Räume',
+    image: '/images/building2.png',
+  },
+    {
+    id: '2',
+    title: 'Bau 2',
+    description: 'Informatik und IT-Räume',
+    image: '/images/building2.png',
+  },
+    {
+    id: '2',
+    title: 'Bau 2',
+    description: 'Informatik und IT-Räume',
+    image: '/images/building2.png',
+  },
+    {
+    id: '2',
+    title: 'Bau 2',
+    description: 'Informatik und IT-Räume',
+    image: '/images/building2.png',
+  },
+    {
+    id: '2',
+    title: 'Bau 2',
+    description: 'Informatik und IT-Räume',
+    image: '/images/building2.png',
+  },
+    {
+    id: '2',
+    title: 'Bau 2',
+    description: 'Informatik und IT-Räume',
+    image: '/images/building2.png',
+  },
+  
+]
+</script>
+
+<template>
+  <div class="building-grid">
+    <BauCard
+      v-for="bau in buildings"
+      :key="bau.id"
+      :building-id="bau.id"
+      :title="bau.title"
+      :description="bau.description"
+      :image="bau.image"
+    />
+  </div>
+</template>
+
+<style scoped>
+.building-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
+  gap: 1.5rem;
+  padding: 2rem;
+}
+</style>

frontend/src/views/RoomNavView.vue

+<script setup lang="ts">
+import { ref, onMounted } from 'vue'
+import { getCSRFToken } from '../stores/auth'
+import RoomCard from '../components/RoomCard.vue'
+
+const rooms = ref<string[]>([])
+const error = ref<string | null>(null)
+
+const fetchRooms = async () => {
+  try {
+    const response = await fetch('http://localhost:8000/api/get_rooms', {
+      headers: {
+        'Content-Type': 'application/json',
+        'X-CSRFToken': getCSRFToken(),
+      },
+      credentials: 'include',
+    })
+
+    const data = await response.json()
+
+    if (response.ok && data.rooms) {
+      rooms.value = data.rooms
+    } else {
+      error.value = 'Fehler beim Laden der Räume.'
+    }
+  } catch (err) {
+    error.value = 'Serverfehler: ' + err
+  }
+}
+
+onMounted(fetchRooms)
+</script>
+
+<template>
+  <div class="room-container">
+    <h2>Räume</h2>
+    <p v-if="error" class="error">{{ error }}</p>
+    <div class="card-grid">
+      <RoomCard v-for="room in rooms" :key="room" :room="room" />
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.room-container {
+  padding: 2rem;
+}
+
+.card-grid {
+  display: grid;
+  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
+  gap: 1rem;
+  margin-top: 1rem;
+}
+
+.error {
+  color: red;
+}
+</style>