Merge branch '9-prof-calendars-with-oauth2-login-2' into 'development'

Resolve "prof calendars with oauth2 login"

See merge request htwk-software/htwkalender!132

docker-compose.yml

@@ -42,22 +42,25 @@ services:
     build:
       dockerfile: Dockerfile
       context: ./frontend
-      target: prod
+      target: dev
       args:
         - COMMIT_HASH=${COMMIT_HASH}
     # open port 8000
+    volumes:
+      - ./frontend/src/:/app/src
+      - ./frontend/public/:/app/public
     ports:
       - "8000:8000"
 
   rproxy:
-    image: docker.io/bitnami/nginx:1.28
+    image: docker.io/bitnami/nginx:latest
     volumes:
       - ./reverseproxy.local.conf:/opt/bitnami/nginx/conf/nginx.conf
     depends_on:
       - htwkalender-data-manager
       - htwkalender-frontend
     ports:
-      - "8080:8080"
+      - "80:80"
 
 volumes:
   pb_data:

frontend/Dockerfile

@@ -39,9 +39,12 @@ RUN echo "COMMIT_HASH=$COMMIT_HASH" >> .env.commit
 RUN npm install
 COPY . ./
 
+# execute the npm run dev command
+CMD ["npm", "run", "dev"]
+
 # production stage
 # https://hub.docker.com/r/bitnami/nginx -> always run as non-root user
-FROM docker.io/bitnami/nginx:1.28 AS prod
+FROM docker.io/bitnami/nginx:latest AS prod
 
 # copy build files from build container
 COPY ./nginx.conf /opt/bitnami/nginx/conf/nginx.conf

frontend/package-lock.json

@@ -18,6 +18,7 @@
         "@vueuse/core": "^13.0.0",
         "country-flag-emoji-polyfill": "^0.1.8",
         "pinia": "^3.0.1",
+        "pocketbase": "^0.26.3",
         "primeflex": "^3.3.1",
         "primeicons": "^7.0.0",
         "primevue": "^3.53.1",
@@ -5593,6 +5594,12 @@
         "@vue/devtools-kit": "^7.7.2"
       }
     },
+    "node_modules/pocketbase": {
+      "version": "0.26.3",
+      "resolved": "https://registry.npmjs.org/pocketbase/-/pocketbase-0.26.3.tgz",
+      "integrity": "sha512-5deUKRoEczpxxuHzwr6/DHVmgbggxylEVig8CKN+MjvtYxPUqX/C6puU0yaR2yhTi8zrh7J9s7Ty+qBGwVzWOQ==",
+      "license": "MIT"
+    },
     "node_modules/postcss": {
       "version": "8.5.3",
       "resolved": "https://registry.npmjs.org/postcss/-/postcss-8.5.3.tgz",

frontend/package.json

@@ -23,6 +23,7 @@
     "@vueuse/core": "^13.0.0",
     "country-flag-emoji-polyfill": "^0.1.8",
     "pinia": "^3.0.1",
+    "pocketbase": "^0.26.3",
     "primeflex": "^3.3.1",
     "primeicons": "^7.0.0",
     "primevue": "^3.53.1",

frontend/src/api/createFeed.ts

@@ -44,6 +44,37 @@ export async function createIndividualFeed(modules: Module[]): Promise<string> {
   }
 }
 
+export async function createProfessorFeed(modules: Module[]): Promise<string> {
+  if (import.meta.env.SSR) {
+    return "";
+  }
+  try {
+    // Dynamic import to avoid circular dependencies or issues if pb is not initialized
+    const { pb } = await import("../service/pocketbase");
+
+    const response = await fetch("/api/professor/feed", {
+      method: "POST",
+      headers: {
+        "Content-Type": "application/json",
+        "Authorization": pb.authStore.token,
+      },
+      body: JSON.stringify(modules),
+    });
+
+    if (
+      response.status === 429 ||
+      response.status === 500 ||
+      response.status != 200
+    ) {
+      return Promise.reject(response.statusText);
+    }
+
+    return await response.json();
+  } catch (error) {
+    return Promise.reject(error);
+  }
+}
+
 interface FeedResponse {
   modules: FeedModule[];
   collectionId: string;

frontend/src/api/fetchProfessorModules.ts

@@ -0,0 +1,40 @@
+export interface ApiModule {
+    uuid: string;
+    name: string;
+    course: string;
+    eventType?: string;
+    prof: string;
+    semester: string;
+    confidenceScore?: number;
+}
+
+export async function fetchProfessorModules(): Promise<ApiModule[]> {
+    if (import.meta.env.SSR) {
+        return [];
+    }
+    try {
+        const { pb } = await import("../service/pocketbase");
+
+        if (!pb.authStore.isValid || !pb.authStore.token) {
+            return Promise.reject(new Error("User is not authenticated"));
+        }
+
+        const response = await fetch("/api/professor/modules", {
+            method: "GET",
+            headers: {
+                "Authorization": pb.authStore.token,
+                "Content-Type": "application/json",
+            },
+        });
+
+        if (!response.ok) {
+            const error = new Error(`HTTP error! status: ${response.status}`);
+            Object.assign(error, { status: response.status });
+            throw error;
+        }
+
+        return await response.json();
+    } catch (error) {
+        return Promise.reject(error);
+    }
+}

frontend/src/components/MenuBar.vue

@@ -17,18 +17,34 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 -->
 
 <script lang="ts" setup>
-import { computed, ref } from "vue";
+import { computed, ref, onMounted, onUnmounted } from "vue";
 import { useI18n } from "vue-i18n";
+import { useToast } from "primevue/usetoast";
 import LocaleSwitcher from "./LocaleSwitcher.vue";
 import DarkModeSwitcher from "./DarkModeSwitcher.vue";
 import { useRoute } from "vue-router";
+import { pb, login, logout } from "../service/pocketbase";
+
 const { t } = useI18n({ useScope: "global" });
+const toast = useToast();
 
 const route = useRoute();
 
 const isDark = ref(true);
+const currentUser = ref(pb.authStore.model);
 
-const items = computed(() => [
+onMounted(() => {
+  pb.authStore.onChange((_, model) => {
+    currentUser.value = model;
+  });
+});
+
+onUnmounted(() => {
+  pb.authStore.onChange(() => {});
+});
+
+const items = computed(() => {
+  const menuItems = [
     {
       label: t("createCalendar"),
       icon: "pi pi-fw pi-plus",
@@ -71,7 +87,47 @@ const items = computed(() => [
       icon: "pi pi-fw pi-exclamation-triangle",
       url: "https://www.htwk-leipzig.de/hochschule/kontakt/datenschutzerklaerung/",
     },
-]);
+  ];
+
+  if (currentUser.value) {
+    menuItems.push({
+      label: "Professor Dashboard",
+      icon: "pi pi-fw pi-user",
+      route: "/professor/dashboard",
+    });
+  }
+
+  return menuItems;
+});
+
+async function handleLogin() {
+  try {
+    await login();
+    toast.add({
+      severity: 'success',
+      summary: t('toast.loginSuccess'),
+      detail: t('toast.loginSuccessDetail'),
+      life: 3000
+    });
+  } catch (error: unknown) {
+    const err = error as { message?: string };
+    if (err?.message && err.message.includes('Login restricted')) {
+      toast.add({
+        severity: 'error',
+        summary: t('toast.loginError'),
+        detail: t('toast.loginRestricted'),
+        life: 5000
+      });
+    } else {
+      toast.add({
+        severity: 'error',
+        summary: t('toast.loginError'),
+        detail: err?.message || t('toast.loginErrorDetail'),
+        life: 5000
+      });
+    }
+  }
+}
 
 function handleDarkModeToggled(isDarkVar: boolean) {
   // Do something with isDark value
@@ -143,6 +199,20 @@ function handleDarkModeToggled(isDarkVar: boolean) {
           @dark-mode-toggled="handleDarkModeToggled"
         ></DarkModeSwitcher>
         <LocaleSwitcher></LocaleSwitcher>
+        <Button
+          v-if="!currentUser"
+          label="Login"
+          icon="pi pi-sign-in"
+          class="p-button-text"
+          @click="handleLogin"
+        />
+        <Button
+          v-else
+          label="Logout"
+          icon="pi pi-sign-out"
+          class="p-button-text"
+          @click="logout"
+        />
       </div>
     </template>
   </Menubar>

frontend/src/i18n/translations/de.json

@@ -9,6 +9,13 @@
   "description": "Dein individueller Stundenplan mit Sportevents und Prüfungen. Finde kommende Veranstaltungen oder freie Räume zum Lernen und Arbeiten.",
   "english": "Englisch",
   "german": "Deutsch",
+  "toast": {
+    "loginError": "Login fehlgeschlagen",
+    "loginRestricted": "Login nur für Mitarbeitende der HTWK Leipzig.",
+    "loginSuccess": "Login erfolgreich",
+    "loginSuccessDetail": "Du kannst nun deinen Kalender erstellen.",
+    "loginErrorDetail": "Fehler beim Login. Bitte versuche es erneut."
+  },
   "courseSelection": {
     "headline": "Willkommen beim HTWKalender",
     "winterSemester": "Wintersemester",
@@ -273,6 +280,18 @@
     "notFound": "Nicht gefunden, wonach du suchst?",
     "contact": "Kontakt aufnehmen"
   },
+  "professor": {
+    "dashboard": "Dashboard",
+    "intro": "Willkommen im HTWKalender Professor, im ersten Schritt wählen Sie Ihre Module aus. Die empfohlenen Module werden automatisch ausgewählt. Weitere Module können manuell angewählt werden.",
+    "nextStep": "Weiter",
+    "name": "Name",
+    "professor": "Professor",
+    "course": "Modul",
+    "semester": "Semester",
+    "match": "Abgleich",
+    "searchByName": "Filtern nach Name",
+    "searchByProfessor": "Filtern nach Professor"
+  },
   "footer": {
     "commitInfo": {
       "tooltip": "Version",

frontend/src/i18n/translations/en.json

@@ -9,6 +9,13 @@
   "description": "Your individual timetable with sports events and exams. Find upcoming events or free rooms for studying and working.",
   "english": "English",
   "german": "German",
+  "toast": {
+    "loginError": "login failed",
+    "loginRestricted": "login restricted to htwk employees",
+    "loginSuccess": "login successful",
+    "loginSuccessDetail": "you can now create your calendar.",
+    "loginErrorDetail": "login failed. please try again."
+  },
   "courseSelection": {
     "headline": "welcome to HTWKalender",
     "winterSemester": "winter semester",
@@ -273,6 +280,18 @@
     "notFound": "Not finding what you're looking for?",
     "contact": "Get in touch"
   },
+  "professor": {
+    "dashboard": "Dashboard",
+    "intro": "Welcome to the HTWKalender Professor, in the first step you select your modules. The recommended modules are automatically selected. Additional modules can be selected manually.",
+    "nextStep": "Next",
+    "name": "name",
+    "professor": "professor",
+    "course": "course",
+    "semester": "semester",
+    "match": "match",
+    "searchByName": "filter by name",
+    "searchByProfessor": "filter by professor"
+  },
   "footer": {
     "commitInfo": {
       "tooltip": "application version",

frontend/src/router/index.ts

@@ -142,6 +142,14 @@ const routes: RouterOptions = {
         label: "createCalendar",
       },
     },
+    {
+      path: "/professor/dashboard",
+      name: "professor-dashboard",
+      component: () => import("../view/professor/ProfessorDashboard.vue"),
+      meta: {
+        label: "professor.dashboard",
+      },
+    },
   ],
 };
 

frontend/src/service/pocketbase.ts

@@ -0,0 +1,27 @@
+import PocketBase from 'pocketbase';
+
+// const domain = "cal.htwk-leipzig.de";
+// const baseUri = "https://" + domain;
+
+// For development, we might want to use the local backend
+// const backendUrl = import.meta.env.DEV ? 'http://127.0.0.1:8090' : baseUri;
+// But since we are running in docker, the frontend might be accessing the backend via a different URL or proxy.
+// The existing code uses relative paths for API calls which go through the reverse proxy.
+// PocketBase SDK needs a full URL or it defaults to /. 
+// If we are serving frontend from the same domain as backend (via proxy), / is fine.
+// However, the proxy config shows backend at /api/ and pocketbase at /_/? 
+// Let's check reverseproxy.conf
+
+export const pb = new PocketBase("/");
+
+// Note: OAuth2 redirect URL should be configured in Keycloak/OIDC provider as:
+// Development: http://localhost/callback
+// Production: https://cal.htwk-leipzig.de/callback
+
+export const login = async () => {
+    return await pb.collection('users').authWithOAuth2({ provider: 'oidc', scopes: ['openid', 'email', 'profile'] });
+}
+
+export const logout = () => {
+    pb.authStore.clear();
+}

frontend/src/store/moduleStore.ts

@@ -20,6 +20,7 @@ import { defineStore } from "pinia";
 const moduleStore = defineStore("moduleStore", {
   state: () => ({
     modules: new Map<string, Module>(),
+    isProfessorFeed: false,
   }),
   actions: {
     addModule(module: Module) {
@@ -55,6 +56,9 @@ const moduleStore = defineStore("moduleStore", {
     containsModule(module: Module): boolean {
       return this.modules.has(module.uuid);
     },
+    setProfessorFeed(isProf: boolean) {
+      this.isProfessorFeed = isProf;
+    },
   },
 });
 

frontend/src/view/create/RenameModules.vue

@@ -18,7 +18,7 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 <script setup lang="ts">
 import moduleStore from "@/store/moduleStore.ts";
-import { createIndividualFeed } from "@/api/createFeed.ts";
+import { createIndividualFeed, createProfessorFeed } from "@/api/createFeed.ts";
 import { router } from "@/main";
 import tokenStore from "@/store/tokenStore.ts";
 import { Ref, computed, inject, ref, onMounted } from "vue";
@@ -57,9 +57,14 @@ const requestIsPending = ref(false);
 
 async function finalStep() {
   requestIsPending.value = true;
-  const createFeed: Promise<string> = createIndividualFeed(
+  
-    store.getAllModules(),
+  let createFeed: Promise<string>;
-  );
+  
+  if (store.isProfessorFeed) {
+    createFeed = createProfessorFeed(store.getAllModules());
+  } else {
+    createFeed = createIndividualFeed(store.getAllModules());
+  }
 
   // Check if createFeed Promise is resolved
   createFeed.then(async (token: string) => {

frontend/src/view/professor/ProfessorDashboard.vue

@@ -0,0 +1,227 @@
+<script setup lang="ts">
+import { onMounted, ref } from "vue";
+import { pb } from "../../service/pocketbase";
+import { Module } from "../../model/module";
+import { useI18n } from "vue-i18n";
+import Button from "primevue/button";
+import DataTable from "primevue/datatable";
+import Column from "primevue/column";
+import Skeleton from "primevue/skeleton";
+import InputText from "primevue/inputtext";
+import { FilterMatchMode } from "primevue/api";
+import { useRouter } from "vue-router";
+
+const { t } = useI18n({ useScope: "global" });
+const router = useRouter();
+import { fetchProfessorModules, type ApiModule } from "../../api/fetchProfessorModules";
+
+type ModuleWithScore = Module & { confidenceScore: number };
+
+const modules = ref<Module[]>(new Array(10));
+const selectedModules = ref<Module[]>([]);
+const loading = ref(true);
+
+const filters = ref({
+  name: {
+    value: null,
+    matchMode: FilterMatchMode.CONTAINS,
+  },
+  prof: {
+    value: null,
+    matchMode: FilterMatchMode.CONTAINS,
+  },
+});
+
+onMounted(async () => {
+  try {
+    // Check if user is authenticated
+    if (!pb.authStore.isValid || !pb.authStore.token) {
+      console.error("User is not authenticated");
+      router.push("/");
+      return;
+    }
+
+    const result = await fetchProfessorModules();
+    
+    // Convert API response to Module instances with all required fields
+    const moduleObjects = result.map((apiModule: ApiModule) => new Module(
+      apiModule.uuid,
+      apiModule.name,
+      apiModule.course,
+      apiModule.eventType || "",
+      apiModule.name, // userDefinedName defaults to module name
+      apiModule.prof,
+      apiModule.semester,
+      false, // reminder defaults to false
+      [] // events defaults to empty array
+    ));
+    
+    // Sort modules by confidence score (highest first)
+    // Note: confidenceScore is not part of Module class, so we need to preserve it
+    const sortedModules = moduleObjects.map((module: Module, index: number) => {
+      const originalData = result[index];
+      return {
+        ...module,
+        confidenceScore: originalData.confidenceScore || 0
+      };
+    }).sort((a: ModuleWithScore, b: ModuleWithScore) => {
+      return (b.confidenceScore || 0) - (a.confidenceScore || 0); // Descending order
+    });
+    
+    // Clear temporary entries and set actual modules
+    modules.value = sortedModules;
+    
+    // Pre-select modules with confidence score >= 0.7 (good match or better)
+    selectedModules.value = sortedModules.filter((m: ModuleWithScore) => (m.confidenceScore || 0) >= 0.7);
+    
+    console.log("Modules loaded:", modules.value.length, "Pre-selected:", selectedModules.value.length);
+  } catch (error: unknown) {
+    console.error("Failed to fetch modules", error);
+    const err = error as { status?: number; message?: string };
+    // Clear temporary entries on error
+    modules.value = [];
+    // If unauthorized, redirect to home
+    if (err.status === 401 || err.message?.includes("401")) {
+      pb.authStore.clear();
+      router.push("/");
+    }
+  } finally {
+    // Always disable loading animation
+    loading.value = false;
+  }
+});
+
+const createCalendar = () => {
+  // Similar to course selection, we want to proceed to rename or just view calendar
+  // We can store the selected modules in the store and redirect
+  // But wait, the store is for the "current" calendar creation session.
+  // If we want to use the existing flow:
+  
+  // 1. Clear store? Or just add?
+  // Let's assume we want to start fresh or add to existing.
+  // For now, let's just construct the URL parameters or use the store.
+  
+  // Actually, the user wants "custom calendar creation process ... selection of modules and the renaming".
+  // So we can redirect to /rename-modules with the selected modules pre-filled in the store.
+  
+  import("../../store/moduleStore").then(({ default: useModuleStore }) => {
+    const store = useModuleStore();
+    store.removeAllModules();
+    store.setProfessorFeed(true);
+    selectedModules.value.forEach((m) => store.addModule(m));
+    router.push("/rename-modules");
+  });
+};
+</script>
+
+<template>
+  <div class="card">
+    <h1>{{ t("professor.dashboard") }}</h1>
+    <p>{{ t("professor.intro") }}</p>
+
+
+    <DataTable
+      v-model:selection="selectedModules"
+      v-model:filters="filters"
+      :value="modules"
+      dataKey="uuid"
+      responsiveLayout="scroll"
+      paginator
+      :rows="10"
+      :rows-per-page-options="[5, 10, 20, 50]"
+      filter-display="row"
+      :show-gridlines="true"
+      :striped-rows="true"
+    >
+      <Column selectionMode="multiple" headerStyle="width: 3em">
+        <template v-if="loading" #body>
+          <Skeleton></Skeleton>
+        </template>
+      </Column>
+      <Column 
+        field="name" 
+        :header="t('professor.name')"
+        :show-filter-menu="false"
+        :show-clear-button="false"
+      >
+        <template #filter="{ filterModel, filterCallback }">
+          <InputText
+            v-model="filterModel.value"
+            type="text"
+            class="p-column-filter"
+            :placeholder="t('professor.searchByName')"
+            @input="filterCallback()"
+          />
+        </template>
+        <template v-if="loading" #body>
+          <Skeleton></Skeleton>
+        </template>
+      </Column>
+      <Column 
+        field="prof" 
+        :header="t('professor.professor')"
+        :show-filter-menu="false"
+        :show-clear-button="false"
+      >
+        <template #filter="{ filterModel, filterCallback }">
+          <InputText
+            v-model="filterModel.value"
+            type="text"
+            class="p-column-filter"
+            :placeholder="t('professor.searchByProfessor')"
+            @input="filterCallback()"
+          />
+        </template>
+        <template v-if="loading" #body>
+          <Skeleton></Skeleton>
+        </template>
+      </Column>
+      <Column field="course" :header="t('professor.course')">
+        <template v-if="loading" #body>
+          <Skeleton></Skeleton>
+        </template>
+      </Column>
+      <Column field="semester" :header="t('professor.semester')">
+        <template v-if="loading" #body>
+          <Skeleton></Skeleton>
+        </template>
+      </Column>
+      <Column field="confidenceScore" :header="t('professor.match')" sortable>
+        <template #body="slotProps">
+          <div v-if="loading">
+            <Skeleton></Skeleton>
+          </div>
+          <div v-else>
+            <span v-if="slotProps.data.confidenceScore >= 0.9" style="color: green; font-weight: bold;">
+              {{ Math.round(slotProps.data.confidenceScore * 100) }}%
+            </span>
+            <span v-else-if="slotProps.data.confidenceScore >= 0.7" style="color: #4CAF50;">
+              {{ Math.round(slotProps.data.confidenceScore * 100) }}%
+            </span>
+            <span v-else-if="slotProps.data.confidenceScore >= 0.5" style="color: orange;">
+              {{ Math.round(slotProps.data.confidenceScore * 100) }}%
+            </span>
+            <span v-else style="color: #999;">
+              {{ Math.round(slotProps.data.confidenceScore * 100) }}%
+            </span>
+          </div>
+        </template>
+      </Column>
+    </DataTable>
+
+    <div class="flex justify-content-end mt-4">
+      <Button
+        :label="t('professor.nextStep')"
+        icon="pi pi-arrow-right"
+        @click="createCalendar"
+        :disabled="selectedModules.length === 0"
+      />
+    </div>
+  </div>
+</template>
+
+<style scoped>
+.card {
+  padding: 2rem;
+}
+</style>

frontend/vite.config.ts

@@ -79,6 +79,7 @@ export default defineConfig({
     watch: {
       usePolling: true,
     },
+    allowedHosts: ["localhost", "127.0.0.1", "::1", "cal.htwk-leipzig.de", "htwkalender-frontend"],
     proxy: {
       "/api": {
         target: "http://localhost:8090/api",

reverseproxy.local.conf

@@ -25,8 +25,8 @@ http {
     limit_req_zone $ratelimit_key zone=createFeed:10m rate=1r/m;
 
     server {
-        listen              8080;
+        listen              80;
-        listen              [::]:8080;
+        listen              [::]:80;
         http2               on;
 
         location /api/feed {

services/common/genproto/modules/feeds.pb.go

@@ -31,6 +31,9 @@ type Feed struct {
 	Created   string `protobuf:"bytes,4,opt,name=created,proto3" json:"created,omitempty"`
 	Updated   string `protobuf:"bytes,5,opt,name=updated,proto3" json:"updated,omitempty"`
 	Deleted   bool   `protobuf:"varint,6,opt,name=deleted,proto3" json:"deleted,omitempty"`
+	Type      string `protobuf:"bytes,7,opt,name=type,proto3" json:"type,omitempty"`                            // "prof" or "student"
+	User      string `protobuf:"bytes,8,opt,name=user,proto3" json:"user,omitempty"`                            // User ID relation
+	UserEmail string `protobuf:"bytes,9,opt,name=user_email,json=userEmail,proto3" json:"user_email,omitempty"` // User Email for filtering
 }
 
 func (x *Feed) Reset() {
@@ -107,6 +110,27 @@ func (x *Feed) GetDeleted() bool {
 	return false
 }
 
+func (x *Feed) GetType() string {
+	if x != nil {
+		return x.Type
+	}
+	return ""
+}
+
+func (x *Feed) GetUser() string {
+	if x != nil {
+		return x.User
+	}
+	return ""
+}
+
+func (x *Feed) GetUserEmail() string {
+	if x != nil {
+		return x.UserEmail
+	}
+	return ""
+}
+
 type GetFeedRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -204,7 +228,7 @@ func (x *GetFeedResponse) GetFeed() *Feed {
 var File_feeds_proto protoreflect.FileDescriptor
 
 var file_feeds_proto_rawDesc = []byte{
-	0x0a, 0x0b, 0x66, 0x65, 0x65, 0x64, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x9c, 0x01,
+	0x0a, 0x0b, 0x66, 0x65, 0x65, 0x64, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xe3, 0x01,
 	0x0a, 0x04, 0x46, 0x65, 0x65, 0x64, 0x12, 0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01,
 	0x28, 0x09, 0x52, 0x02, 0x69, 0x64, 0x12, 0x18, 0x0a, 0x07, 0x6d, 0x6f, 0x64, 0x75, 0x6c, 0x65,
 	0x73, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x6d, 0x6f, 0x64, 0x75, 0x6c, 0x65, 0x73,
@@ -214,19 +238,23 @@ var file_feeds_proto_rawDesc = []byte{
 	0x07, 0x63, 0x72, 0x65, 0x61, 0x74, 0x65, 0x64, 0x12, 0x18, 0x0a, 0x07, 0x75, 0x70, 0x64, 0x61,
 	0x74, 0x65, 0x64, 0x18, 0x05, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x75, 0x70, 0x64, 0x61, 0x74,
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+	0x18, 0x01, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x05, 0x2e, 0x46, 0x65, 0x65, 0x64, 0x52, 0x04, 0x66,
-	0x74, 0x77, 0x6b, 0x61, 0x6c, 0x65, 0x6e, 0x64, 0x65, 0x72, 0x2f, 0x63, 0x6f, 0x6d, 0x6d, 0x6f,
+	0x65, 0x65, 0x64, 0x32, 0x3d, 0x0a, 0x0b, 0x46, 0x65, 0x65, 0x64, 0x53, 0x65, 0x72, 0x76, 0x69,
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+	0x2e, 0x47, 0x65, 0x74, 0x46, 0x65, 0x65, 0x64, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65,
+	0x22, 0x00, 0x42, 0x1c, 0x5a, 0x1a, 0x68, 0x74, 0x77, 0x6b, 0x61, 0x6c, 0x65, 0x6e, 0x64, 0x65,
+	0x72, 0x2f, 0x63, 0x6f, 0x6d, 0x6d, 0x6f, 0x6e, 0x2f, 0x6d, 0x6f, 0x64, 0x75, 0x6c, 0x65, 0x73,
+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (

services/common/professor/matching.go

@@ -0,0 +1,175 @@
+package professor
+
+import (
+	"fmt"
+	"strings"
+)
+
+// ExtractNameFromEmail extracts the first and last name from a professor's email.
+// Expected format: firstname.lastname@htwk-leipzig.de
+func ExtractNameFromEmail(email string) (firstName, lastName string, err error) {
+	parts := strings.Split(email, "@")
+	if len(parts) != 2 {
+		return "", "", fmt.Errorf("invalid email format")
+	}
+
+	nameParts := strings.Split(parts[0], ".")
+	if len(nameParts) < 2 {
+		return "", "", fmt.Errorf("email does not contain dot separator")
+	}
+
+	// Extract first and last name
+	firstName = nameParts[0]
+	lastName = nameParts[len(nameParts)-1]
+
+	// Capitalize first letter
+	if len(firstName) > 0 {
+		firstName = strings.ToUpper(firstName[:1]) + firstName[1:]
+	}
+	if len(lastName) > 0 {
+		lastName = strings.ToUpper(lastName[:1]) + lastName[1:]
+	}
+
+	return firstName, lastName, nil
+}
+
+// CalculateConfidenceScore returns a score from 0.0 to 1.0 indicating how confident we are
+// that this professor string matches the given first and last name
+// 1.0 = perfect match (both first and last name exact)
+// 0.7-0.9 = good match (last name exact, first name fuzzy or present)
+// 0.4-0.6 = possible match (last name fuzzy or partial)
+// 0.1-0.3 = weak match (last name substring)
+// 0.0 = no match
+func CalculateConfidenceScore(profString, firstName, lastName string) float64 {
+	// Normalize the professor string: remove common titles and split into words
+	profString = strings.ToLower(profString)
+
+	// Remove common titles
+	titles := []string{"prof.", "dr.", "arch.", "ing.", "dipl.", "m.sc.", "b.sc.", "ph.d."}
+	for _, title := range titles {
+		profString = strings.ReplaceAll(profString, title, "")
+	}
+
+	// Split by spaces, hyphens, and other separators
+	words := strings.FieldsFunc(profString, func(r rune) bool {
+		return r == ' ' || r == '-' || r == ',' || r == '.'
+	})
+
+	// Normalize firstName and lastName
+	firstNameLower := strings.ToLower(firstName)
+	lastNameLower := strings.ToLower(lastName)
+
+	lastNameExact := false
+	lastNameFuzzy := false
+	lastNameSubstring := false
+	firstNameExact := false
+	firstNameFuzzy := false
+
+	for _, word := range words {
+		word = strings.TrimSpace(word)
+		if word == "" {
+			continue
+		}
+
+		// Check last name
+		if word == lastNameLower {
+			lastNameExact = true
+		} else if levenshteinDistance(word, lastNameLower) <= 1 && len(lastNameLower) > 3 {
+			lastNameFuzzy = true
+		} else if strings.Contains(word, lastNameLower) || strings.Contains(lastNameLower, word) {
+			lastNameSubstring = true
+		}
+
+		// Check first name
+		if word == firstNameLower {
+			firstNameExact = true
+		} else if levenshteinDistance(word, firstNameLower) <= 1 && len(firstNameLower) > 3 {
+			firstNameFuzzy = true
+		}
+	}
+
+	// Calculate confidence score based on matches
+	score := 0.0
+
+	if lastNameExact {
+		if firstNameExact {
+			score = 1.0 // Perfect match
+		} else if firstNameFuzzy {
+			score = 0.9 // Excellent match
+		} else {
+			score = 0.8 // Good match (last name exact, no first name match)
+		}
+	} else if lastNameFuzzy {
+		if firstNameExact || firstNameFuzzy {
+			score = 0.6 // Decent match (fuzzy last name but first name matches)
+		} else {
+			score = 0.5 // Medium match (fuzzy last name, no first name)
+		}
+	} else if lastNameSubstring {
+		score = 0.2 // Weak match (substring only)
+	}
+
+	return score
+}
+
+// MatchesProfessor checks if the professor string matches the given last name (and optional first name)
+// It uses a simplified check suitable for filtering events where we want high recall but reasonable precision.
+// It returns true if the confidence score is > 0.
+func MatchesProfessor(profString, firstName, lastName string) bool {
+	return CalculateConfidenceScore(profString, firstName, lastName) > 0
+}
+
+// levenshteinDistance calculates the Levenshtein distance between two strings
+func levenshteinDistance(s1, s2 string) int {
+	if len(s1) == 0 {
+		return len(s2)
+	}
+	if len(s2) == 0 {
+		return len(s1)
+	}
+
+	// Create a 2D array for dynamic programming
+	d := make([][]int, len(s1)+1)
+	for i := range d {
+		d[i] = make([]int, len(s2)+1)
+	}
+
+	// Initialize first column and row
+	for i := 0; i <= len(s1); i++ {
+		d[i][0] = i
+	}
+	for j := 0; j <= len(s2); j++ {
+		d[0][j] = j
+	}
+
+	// Fill the matrix
+	for i := 1; i <= len(s1); i++ {
+		for j := 1; j <= len(s2); j++ {
+			cost := 0
+			if s1[i-1] != s2[j-1] {
+				cost = 1
+			}
+
+			d[i][j] = min(
+				d[i-1][j]+1,      // deletion
+				d[i][j-1]+1,      // insertion
+				d[i-1][j-1]+cost, // substitution
+			)
+		}
+	}
+
+	return d[len(s1)][len(s2)]
+}
+
+func min(a, b, c int) int {
+	if a < b {
+		if a < c {
+			return a
+		}
+		return c
+	}
+	if b < c {
+		return b
+	}
+	return c
+}

services/data-manager/main.go

@@ -17,26 +17,30 @@
 package main
 
 import (
-	"github.com/pocketbase/pocketbase"
-	"github.com/pocketbase/pocketbase/plugins/migratecmd"
 	_ "htwkalender/data-manager/migrations"
 	"htwkalender/data-manager/model/serviceModel"
 	"htwkalender/data-manager/service"
 	"htwkalender/data-manager/service/events"
 	"htwkalender/data-manager/service/grpc"
+	"htwkalender/data-manager/service/professor"
 	"log/slog"
 	"os"
 	"strings"
+
+	"github.com/pocketbase/pocketbase"
+	"github.com/pocketbase/pocketbase/plugins/migratecmd"
 )
 
 func setupApp() *pocketbase.PocketBase {
 	app := pocketbase.New()
 	courseService := events.NewPocketBaseCourseService(app)
 	eventService := events.NewPocketBaseEventService(app)
+	professorService := professor.NewProfessorService(app)
 
 	services := serviceModel.Service{
 		CourseService:    courseService,
 		EventService:     eventService,
+		ProfessorService: professorService,
 		App:              app,
 	}
 
@@ -53,6 +57,7 @@ func setupApp() *pocketbase.PocketBase {
 	})
 	service.AddRoutes(services)
 	service.AddSchedules(services)
+	service.AddHooks(app)
 
 	return app
 }

services/data-manager/migrations/1745249436_enable_oauth2.go

@@ -0,0 +1,32 @@
+package migrations
+
+import (
+	"github.com/pocketbase/pocketbase/core"
+	m "github.com/pocketbase/pocketbase/migrations"
+)
+
+func init() {
+	m.Register(func(app core.App) error {
+		collection, err := app.FindCollectionByNameOrId("users")
+		if err != nil {
+			return err
+		}
+
+		// Enable OAuth2
+		collection.OAuth2.Enabled = true
+
+		// Optional: Map fields if necessary, for now just enabling it
+		// collection.OAuth2.MappedFields.Name = "name"
+
+		return app.Save(collection)
+	}, func(app core.App) error {
+		collection, err := app.FindCollectionByNameOrId("users")
+		if err != nil {
+			return err
+		}
+
+		collection.OAuth2.Enabled = false
+
+		return app.Save(collection)
+	})
+}

services/data-manager/migrations/1763841597_collections_snapshot.go

@@ -0,0 +1,791 @@
+package migrations
+
+import (
+	"github.com/pocketbase/pocketbase/core"
+	m "github.com/pocketbase/pocketbase/migrations"
+)
+
+func init() {
+	m.Register(func(app core.App) error {
+		jsonData := `[
+			{
+				"createRule": null,
+				"deleteRule": null,
+				"fields": [
+					{
+						"autogeneratePattern": "[a-z0-9]{15}",
+						"hidden": false,
+						"id": "text3208210256",
+						"max": 15,
+						"min": 15,
+						"name": "id",
+						"pattern": "^[a-z0-9]+$",
+						"presentable": false,
+						"primaryKey": true,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"autogeneratePattern": "",
+						"hidden": false,
+						"id": "text455797646",
+						"max": 0,
+						"min": 0,
+						"name": "collectionRef",
+						"pattern": "",
+						"presentable": false,
+						"primaryKey": false,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"autogeneratePattern": "",
+						"hidden": false,
+						"id": "text127846527",
+						"max": 0,
+						"min": 0,
+						"name": "recordRef",
+						"pattern": "",
+						"presentable": false,
+						"primaryKey": false,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"autogeneratePattern": "",
+						"hidden": false,
+						"id": "text1582905952",
+						"max": 0,
+						"min": 0,
+						"name": "method",
+						"pattern": "",
+						"presentable": false,
+						"primaryKey": false,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"hidden": false,
+						"id": "autodate2990389176",
+						"name": "created",
+						"onCreate": true,
+						"onUpdate": false,
+						"presentable": false,
+						"system": true,
+						"type": "autodate"
+					},
+					{
+						"hidden": false,
+						"id": "autodate3332085495",
+						"name": "updated",
+						"onCreate": true,
+						"onUpdate": true,
+						"presentable": false,
+						"system": true,
+						"type": "autodate"
+					}
+				],
+				"id": "pbc_2279338944",
+				"indexes": [
+					"CREATE INDEX ` + "`" + `idx_mfas_collectionRef_recordRef` + "`" + ` ON ` + "`" + `_mfas` + "`" + ` (collectionRef,recordRef)"
+				],
+				"listRule": "@request.auth.id != '' && recordRef = @request.auth.id && collectionRef = @request.auth.collectionId",
+				"name": "_mfas",
+				"system": true,
+				"type": "base",
+				"updateRule": null,
+				"viewRule": "@request.auth.id != '' && recordRef = @request.auth.id && collectionRef = @request.auth.collectionId"
+			},
+			{
+				"createRule": null,
+				"deleteRule": null,
+				"fields": [
+					{
+						"autogeneratePattern": "[a-z0-9]{15}",
+						"hidden": false,
+						"id": "text3208210256",
+						"max": 15,
+						"min": 15,
+						"name": "id",
+						"pattern": "^[a-z0-9]+$",
+						"presentable": false,
+						"primaryKey": true,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"autogeneratePattern": "",
+						"hidden": false,
+						"id": "text455797646",
+						"max": 0,
+						"min": 0,
+						"name": "collectionRef",
+						"pattern": "",
+						"presentable": false,
+						"primaryKey": false,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"autogeneratePattern": "",
+						"hidden": false,
+						"id": "text127846527",
+						"max": 0,
+						"min": 0,
+						"name": "recordRef",
+						"pattern": "",
+						"presentable": false,
+						"primaryKey": false,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"cost": 8,
+						"hidden": true,
+						"id": "password901924565",
+						"max": 0,
+						"min": 0,
+						"name": "password",
+						"pattern": "",
+						"presentable": false,
+						"required": true,
+						"system": true,
+						"type": "password"
+					},
+					{
+						"autogeneratePattern": "",
+						"hidden": true,
+						"id": "text3866985172",
+						"max": 0,
+						"min": 0,
+						"name": "sentTo",
+						"pattern": "",
+						"presentable": false,
+						"primaryKey": false,
+						"required": false,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"hidden": false,
+						"id": "autodate2990389176",
+						"name": "created",
+						"onCreate": true,
+						"onUpdate": false,
+						"presentable": false,
+						"system": true,
+						"type": "autodate"
+					},
+					{
+						"hidden": false,
+						"id": "autodate3332085495",
+						"name": "updated",
+						"onCreate": true,
+						"onUpdate": true,
+						"presentable": false,
+						"system": true,
+						"type": "autodate"
+					}
+				],
+				"id": "pbc_1638494021",
+				"indexes": [
+					"CREATE INDEX ` + "`" + `idx_otps_collectionRef_recordRef` + "`" + ` ON ` + "`" + `_otps` + "`" + ` (collectionRef, recordRef)"
+				],
+				"listRule": "@request.auth.id != '' && recordRef = @request.auth.id && collectionRef = @request.auth.collectionId",
+				"name": "_otps",
+				"system": true,
+				"type": "base",
+				"updateRule": null,
+				"viewRule": "@request.auth.id != '' && recordRef = @request.auth.id && collectionRef = @request.auth.collectionId"
+			},
+			{
+				"createRule": null,
+				"deleteRule": "@request.auth.id != '' && recordRef = @request.auth.id && collectionRef = @request.auth.collectionId",
+				"fields": [
+					{
+						"autogeneratePattern": "[a-z0-9]{15}",
+						"hidden": false,
+						"id": "text3208210256",
+						"max": 15,
+						"min": 15,
+						"name": "id",
+						"pattern": "^[a-z0-9]+$",
+						"presentable": false,
+						"primaryKey": true,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"autogeneratePattern": "",
+						"hidden": false,
+						"id": "text455797646",
+						"max": 0,
+						"min": 0,
+						"name": "collectionRef",
+						"pattern": "",
+						"presentable": false,
+						"primaryKey": false,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"autogeneratePattern": "",
+						"hidden": false,
+						"id": "text127846527",
+						"max": 0,
+						"min": 0,
+						"name": "recordRef",
+						"pattern": "",
+						"presentable": false,
+						"primaryKey": false,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"autogeneratePattern": "",
+						"hidden": false,
+						"id": "text2462348188",
+						"max": 0,
+						"min": 0,
+						"name": "provider",
+						"pattern": "",
+						"presentable": false,
+						"primaryKey": false,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"autogeneratePattern": "",
+						"hidden": false,
+						"id": "text1044722854",
+						"max": 0,
+						"min": 0,
+						"name": "providerId",
+						"pattern": "",
+						"presentable": false,
+						"primaryKey": false,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"hidden": false,
+						"id": "autodate2990389176",
+						"name": "created",
+						"onCreate": true,
+						"onUpdate": false,
+						"presentable": false,
+						"system": true,
+						"type": "autodate"
+					},
+					{
+						"hidden": false,
+						"id": "autodate3332085495",
+						"name": "updated",
+						"onCreate": true,
+						"onUpdate": true,
+						"presentable": false,
+						"system": true,
+						"type": "autodate"
+					}
+				],
+				"id": "pbc_2281828961",
+				"indexes": [
+					"CREATE UNIQUE INDEX ` + "`" + `idx_externalAuths_record_provider` + "`" + ` ON ` + "`" + `_externalAuths` + "`" + ` (collectionRef, recordRef, provider)",
+					"CREATE UNIQUE INDEX ` + "`" + `idx_externalAuths_collection_provider` + "`" + ` ON ` + "`" + `_externalAuths` + "`" + ` (collectionRef, provider, providerId)"
+				],
+				"listRule": "@request.auth.id != '' && recordRef = @request.auth.id && collectionRef = @request.auth.collectionId",
+				"name": "_externalAuths",
+				"system": true,
+				"type": "base",
+				"updateRule": null,
+				"viewRule": "@request.auth.id != '' && recordRef = @request.auth.id && collectionRef = @request.auth.collectionId"
+			},
+			{
+				"createRule": null,
+				"deleteRule": "@request.auth.id != '' && recordRef = @request.auth.id && collectionRef = @request.auth.collectionId",
+				"fields": [
+					{
+						"autogeneratePattern": "[a-z0-9]{15}",
+						"hidden": false,
+						"id": "text3208210256",
+						"max": 15,
+						"min": 15,
+						"name": "id",
+						"pattern": "^[a-z0-9]+$",
+						"presentable": false,
+						"primaryKey": true,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"autogeneratePattern": "",
+						"hidden": false,
+						"id": "text455797646",
+						"max": 0,
+						"min": 0,
+						"name": "collectionRef",
+						"pattern": "",
+						"presentable": false,
+						"primaryKey": false,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"autogeneratePattern": "",
+						"hidden": false,
+						"id": "text127846527",
+						"max": 0,
+						"min": 0,
+						"name": "recordRef",
+						"pattern": "",
+						"presentable": false,
+						"primaryKey": false,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"autogeneratePattern": "",
+						"hidden": false,
+						"id": "text4228609354",
+						"max": 0,
+						"min": 0,
+						"name": "fingerprint",
+						"pattern": "",
+						"presentable": false,
+						"primaryKey": false,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"hidden": false,
+						"id": "autodate2990389176",
+						"name": "created",
+						"onCreate": true,
+						"onUpdate": false,
+						"presentable": false,
+						"system": true,
+						"type": "autodate"
+					},
+					{
+						"hidden": false,
+						"id": "autodate3332085495",
+						"name": "updated",
+						"onCreate": true,
+						"onUpdate": true,
+						"presentable": false,
+						"system": true,
+						"type": "autodate"
+					}
+				],
+				"id": "pbc_4275539003",
+				"indexes": [
+					"CREATE UNIQUE INDEX ` + "`" + `idx_authOrigins_unique_pairs` + "`" + ` ON ` + "`" + `_authOrigins` + "`" + ` (collectionRef, recordRef, fingerprint)"
+				],
+				"listRule": "@request.auth.id != '' && recordRef = @request.auth.id && collectionRef = @request.auth.collectionId",
+				"name": "_authOrigins",
+				"system": true,
+				"type": "base",
+				"updateRule": null,
+				"viewRule": "@request.auth.id != '' && recordRef = @request.auth.id && collectionRef = @request.auth.collectionId"
+			},
+			{
+				"authAlert": {
+					"emailTemplate": {
+						"body": "<p>Hello,</p>\n<p>We noticed a login to your {APP_NAME} account from a new location.</p>\n<p>If this was you, you may disregard this email.</p>\n<p><strong>If this wasn't you, you should immediately change your {APP_NAME} account password to revoke access from all other locations.</strong></p>\n<p>\n  Thanks,<br/>\n  {APP_NAME} team\n</p>",
+						"subject": "Login from a new location"
+					},
+					"enabled": true
+				},
+				"authRule": "",
+				"authToken": {
+					"duration": 86400
+				},
+				"confirmEmailChangeTemplate": {
+					"body": "<p>Hello,</p>\n<p>Click on the button below to confirm your new email address.</p>\n<p>\n  <a class=\"btn\" href=\"{APP_URL}/_/#/auth/confirm-email-change/{TOKEN}\" target=\"_blank\" rel=\"noopener\">Confirm new email</a>\n</p>\n<p><i>If you didn't ask to change your email address, you can ignore this email.</i></p>\n<p>\n  Thanks,<br/>\n  {APP_NAME} team\n</p>",
+					"subject": "Confirm your {APP_NAME} new email address"
+				},
+				"createRule": null,
+				"deleteRule": null,
+				"emailChangeToken": {
+					"duration": 1800
+				},
+				"fields": [
+					{
+						"autogeneratePattern": "[a-z0-9]{15}",
+						"hidden": false,
+						"id": "text3208210256",
+						"max": 15,
+						"min": 15,
+						"name": "id",
+						"pattern": "^[a-z0-9]+$",
+						"presentable": false,
+						"primaryKey": true,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"cost": 0,
+						"hidden": true,
+						"id": "password901924565",
+						"max": 0,
+						"min": 8,
+						"name": "password",
+						"pattern": "",
+						"presentable": false,
+						"required": true,
+						"system": true,
+						"type": "password"
+					},
+					{
+						"autogeneratePattern": "[a-zA-Z0-9]{50}",
+						"hidden": true,
+						"id": "text2504183744",
+						"max": 60,
+						"min": 30,
+						"name": "tokenKey",
+						"pattern": "",
+						"presentable": false,
+						"primaryKey": false,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"exceptDomains": null,
+						"hidden": false,
+						"id": "email3885137012",
+						"name": "email",
+						"onlyDomains": null,
+						"presentable": false,
+						"required": true,
+						"system": true,
+						"type": "email"
+					},
+					{
+						"hidden": false,
+						"id": "bool1547992806",
+						"name": "emailVisibility",
+						"presentable": false,
+						"required": false,
+						"system": true,
+						"type": "bool"
+					},
+					{
+						"hidden": false,
+						"id": "bool256245529",
+						"name": "verified",
+						"presentable": false,
+						"required": false,
+						"system": true,
+						"type": "bool"
+					},
+					{
+						"hidden": false,
+						"id": "autodate2990389176",
+						"name": "created",
+						"onCreate": true,
+						"onUpdate": false,
+						"presentable": false,
+						"system": true,
+						"type": "autodate"
+					},
+					{
+						"hidden": false,
+						"id": "autodate3332085495",
+						"name": "updated",
+						"onCreate": true,
+						"onUpdate": true,
+						"presentable": false,
+						"system": true,
+						"type": "autodate"
+					}
+				],
+				"fileToken": {
+					"duration": 180
+				},
+				"id": "pbc_3142635823",
+				"indexes": [
+					"CREATE UNIQUE INDEX ` + "`" + `idx_tokenKey_pbc_3142635823` + "`" + ` ON ` + "`" + `_superusers` + "`" + ` (` + "`" + `tokenKey` + "`" + `)",
+					"CREATE UNIQUE INDEX ` + "`" + `idx_email_pbc_3142635823` + "`" + ` ON ` + "`" + `_superusers` + "`" + ` (` + "`" + `email` + "`" + `) WHERE ` + "`" + `email` + "`" + ` != ''"
+				],
+				"listRule": null,
+				"manageRule": null,
+				"mfa": {
+					"duration": 1800,
+					"enabled": false,
+					"rule": ""
+				},
+				"name": "_superusers",
+				"oauth2": {
+					"enabled": false,
+					"mappedFields": {
+						"avatarURL": "",
+						"id": "",
+						"name": "",
+						"username": ""
+					}
+				},
+				"otp": {
+					"duration": 180,
+					"emailTemplate": {
+						"body": "<p>Hello,</p>\n<p>Your one-time password is: <strong>{OTP}</strong></p>\n<p><i>If you didn't ask for the one-time password, you can ignore this email.</i></p>\n<p>\n  Thanks,<br/>\n  {APP_NAME} team\n</p>",
+						"subject": "OTP for {APP_NAME}"
+					},
+					"enabled": false,
+					"length": 8
+				},
+				"passwordAuth": {
+					"enabled": true,
+					"identityFields": [
+						"email"
+					]
+				},
+				"passwordResetToken": {
+					"duration": 1800
+				},
+				"resetPasswordTemplate": {
+					"body": "<p>Hello,</p>\n<p>Click on the button below to reset your password.</p>\n<p>\n  <a class=\"btn\" href=\"{APP_URL}/_/#/auth/confirm-password-reset/{TOKEN}\" target=\"_blank\" rel=\"noopener\">Reset password</a>\n</p>\n<p><i>If you didn't ask to reset your password, you can ignore this email.</i></p>\n<p>\n  Thanks,<br/>\n  {APP_NAME} team\n</p>",
+					"subject": "Reset your {APP_NAME} password"
+				},
+				"system": true,
+				"type": "auth",
+				"updateRule": null,
+				"verificationTemplate": {
+					"body": "<p>Hello,</p>\n<p>Thank you for joining us at {APP_NAME}.</p>\n<p>Click on the button below to verify your email address.</p>\n<p>\n  <a class=\"btn\" href=\"{APP_URL}/_/#/auth/confirm-verification/{TOKEN}\" target=\"_blank\" rel=\"noopener\">Verify</a>\n</p>\n<p>\n  Thanks,<br/>\n  {APP_NAME} team\n</p>",
+					"subject": "Verify your {APP_NAME} email"
+				},
+				"verificationToken": {
+					"duration": 259200
+				},
+				"viewRule": null
+			},
+			{
+				"authAlert": {
+					"emailTemplate": {
+						"body": "<p>Hello,</p>\n<p>We noticed a login to your {APP_NAME} account from a new location.</p>\n<p>If this was you, you may disregard this email.</p>\n<p><strong>If this wasn't you, you should immediately change your {APP_NAME} account password to revoke access from all other locations.</strong></p>\n<p>\n  Thanks,<br/>\n  {APP_NAME} team\n</p>",
+						"subject": "Login from a new location"
+					},
+					"enabled": true
+				},
+				"authRule": "",
+				"authToken": {
+					"duration": 604800
+				},
+				"confirmEmailChangeTemplate": {
+					"body": "<p>Hello,</p>\n<p>Click on the button below to confirm your new email address.</p>\n<p>\n  <a class=\"btn\" href=\"{APP_URL}/_/#/auth/confirm-email-change/{TOKEN}\" target=\"_blank\" rel=\"noopener\">Confirm new email</a>\n</p>\n<p><i>If you didn't ask to change your email address, you can ignore this email.</i></p>\n<p>\n  Thanks,<br/>\n  {APP_NAME} team\n</p>",
+					"subject": "Confirm your {APP_NAME} new email address"
+				},
+				"createRule": "",
+				"deleteRule": "id = @request.auth.id",
+				"emailChangeToken": {
+					"duration": 1800
+				},
+				"fields": [
+					{
+						"autogeneratePattern": "[a-z0-9]{15}",
+						"hidden": false,
+						"id": "text3208210256",
+						"max": 15,
+						"min": 15,
+						"name": "id",
+						"pattern": "^[a-z0-9]+$",
+						"presentable": false,
+						"primaryKey": true,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"cost": 0,
+						"hidden": true,
+						"id": "password901924565",
+						"max": 0,
+						"min": 8,
+						"name": "password",
+						"pattern": "",
+						"presentable": false,
+						"required": true,
+						"system": true,
+						"type": "password"
+					},
+					{
+						"autogeneratePattern": "[a-zA-Z0-9]{50}",
+						"hidden": true,
+						"id": "text2504183744",
+						"max": 60,
+						"min": 30,
+						"name": "tokenKey",
+						"pattern": "",
+						"presentable": false,
+						"primaryKey": false,
+						"required": true,
+						"system": true,
+						"type": "text"
+					},
+					{
+						"exceptDomains": null,
+						"hidden": false,
+						"id": "email3885137012",
+						"name": "email",
+						"onlyDomains": null,
+						"presentable": false,
+						"required": true,
+						"system": true,
+						"type": "email"
+					},
+					{
+						"hidden": false,
+						"id": "bool1547992806",
+						"name": "emailVisibility",
+						"presentable": false,
+						"required": false,
+						"system": true,
+						"type": "bool"
+					},
+					{
+						"hidden": false,
+						"id": "bool256245529",
+						"name": "verified",
+						"presentable": false,
+						"required": false,
+						"system": true,
+						"type": "bool"
+					},
+					{
+						"autogeneratePattern": "",
+						"hidden": false,
+						"id": "text1579384326",
+						"max": 255,
+						"min": 0,
+						"name": "name",
+						"pattern": "",
+						"presentable": false,
+						"primaryKey": false,
+						"required": false,
+						"system": false,
+						"type": "text"
+					},
+					{
+						"hidden": false,
+						"id": "file376926767",
+						"maxSelect": 1,
+						"maxSize": 0,
+						"mimeTypes": [
+							"image/jpeg",
+							"image/png",
+							"image/svg+xml",
+							"image/gif",
+							"image/webp"
+						],
+						"name": "avatar",
+						"presentable": false,
+						"protected": false,
+						"required": false,
+						"system": false,
+						"thumbs": null,
+						"type": "file"
+					},
+					{
+						"hidden": false,
+						"id": "autodate2990389176",
+						"name": "created",
+						"onCreate": true,
+						"onUpdate": false,
+						"presentable": false,
+						"system": false,
+						"type": "autodate"
+					},
+					{
+						"hidden": false,
+						"id": "autodate3332085495",
+						"name": "updated",
+						"onCreate": true,
+						"onUpdate": true,
+						"presentable": false,
+						"system": false,
+						"type": "autodate"
+					}
+				],
+				"fileToken": {
+					"duration": 180
+				},
+				"id": "_pb_users_auth_",
+				"indexes": [
+					"CREATE UNIQUE INDEX ` + "`" + `idx_tokenKey__pb_users_auth_` + "`" + ` ON ` + "`" + `users` + "`" + ` (` + "`" + `tokenKey` + "`" + `)",
+					"CREATE UNIQUE INDEX ` + "`" + `idx_email__pb_users_auth_` + "`" + ` ON ` + "`" + `users` + "`" + ` (` + "`" + `email` + "`" + `) WHERE ` + "`" + `email` + "`" + ` != ''"
+				],
+				"listRule": "id = @request.auth.id",
+				"manageRule": null,
+				"mfa": {
+					"duration": 1800,
+					"enabled": false,
+					"rule": ""
+				},
+				"name": "users",
+				"oauth2": {
+					"enabled": false,
+					"mappedFields": {
+						"avatarURL": "avatar",
+						"id": "",
+						"name": "name",
+						"username": ""
+					}
+				},
+				"otp": {
+					"duration": 180,
+					"emailTemplate": {
+						"body": "<p>Hello,</p>\n<p>Your one-time password is: <strong>{OTP}</strong></p>\n<p><i>If you didn't ask for the one-time password, you can ignore this email.</i></p>\n<p>\n  Thanks,<br/>\n  {APP_NAME} team\n</p>",
+						"subject": "OTP for {APP_NAME}"
+					},
+					"enabled": false,
+					"length": 8
+				},
+				"passwordAuth": {
+					"enabled": true,
+					"identityFields": [
+						"email"
+					]
+				},
+				"passwordResetToken": {
+					"duration": 1800
+				},
+				"resetPasswordTemplate": {
+					"body": "<p>Hello,</p>\n<p>Click on the button below to reset your password.</p>\n<p>\n  <a class=\"btn\" href=\"{APP_URL}/_/#/auth/confirm-password-reset/{TOKEN}\" target=\"_blank\" rel=\"noopener\">Reset password</a>\n</p>\n<p><i>If you didn't ask to reset your password, you can ignore this email.</i></p>\n<p>\n  Thanks,<br/>\n  {APP_NAME} team\n</p>",
+					"subject": "Reset your {APP_NAME} password"
+				},
+				"system": false,
+				"type": "auth",
+				"updateRule": "id = @request.auth.id",
+				"verificationTemplate": {
+					"body": "<p>Hello,</p>\n<p>Thank you for joining us at {APP_NAME}.</p>\n<p>Click on the button below to verify your email address.</p>\n<p>\n  <a class=\"btn\" href=\"{APP_URL}/_/#/auth/confirm-verification/{TOKEN}\" target=\"_blank\" rel=\"noopener\">Verify</a>\n</p>\n<p>\n  Thanks,<br/>\n  {APP_NAME} team\n</p>",
+					"subject": "Verify your {APP_NAME} email"
+				},
+				"verificationToken": {
+					"duration": 259200
+				},
+				"viewRule": "id = @request.auth.id"
+			}
+		]`
+
+		return app.ImportCollectionsByMarshaledJSON([]byte(jsonData), false)
+	}, func(app core.App) error {
+		return nil
+	})
+}

services/data-manager/model/feedModel.go

@@ -27,6 +27,8 @@ type Feed struct {
 	Created   types.DateTime `db:"created" json:"created"`
 	Updated   types.DateTime `db:"updated" json:"updated"`
 	Deleted   bool           `db:"deleted" json:"deleted"`
+	Type      string         `db:"type" json:"type"` // "prof" or "student"
+	User      string         `db:"user" json:"user"` // Relation to users table
 	core.BaseModel
 }
 

services/data-manager/model/moduleModel.go

@@ -36,6 +36,7 @@ type ModuleDTO struct {
 	Course          string  `json:"course" db:"course"`
 	Semester        string  `json:"semester" db:"semester"`
 	EventType       string  `db:"EventType" json:"eventType"`
+	ConfidenceScore float64 `json:"confidenceScore,omitempty"`
 }
 
 func (m *ModuleDTO) GetName() string {

services/data-manager/model/serviceModel/serviceModel.go

@@ -1,12 +1,15 @@
 package serviceModel
 
 import (
-	"github.com/pocketbase/pocketbase"
 	"htwkalender/data-manager/service/events"
+	"htwkalender/data-manager/service/professor"
+
+	"github.com/pocketbase/pocketbase"
 )
 
 type Service struct {
 	App              *pocketbase.PocketBase
 	EventService     events.EventService
 	CourseService    events.CourseService
+	ProfessorService *professor.ProfessorService
 }

services/data-manager/service/addRoute.go

@@ -23,6 +23,7 @@ import (
 	v1 "htwkalender/data-manager/service/fetch/v1"
 	v2 "htwkalender/data-manager/service/fetch/v2"
 	"htwkalender/data-manager/service/functions/time"
+	"htwkalender/data-manager/service/professor"
 	"htwkalender/data-manager/service/room"
 	"log/slog"
 	"net/http"
@@ -231,6 +232,7 @@ func AddRoutes(services serviceModel.Service) {
 		}).Bind(apis.RequireSuperuserAuth())
 
 		addFeedRoutes(se, services.App)
+		professor.RegisterRoutes(se, services.ProfessorService)
 
 		return se.Next()
 	})

services/data-manager/service/db/dbFeeds.go

@@ -18,12 +18,13 @@ package db
 
 import (
 	"errors"
+	"htwkalender/data-manager/model"
+	"time"
+
 	"github.com/pocketbase/dbx"
 	"github.com/pocketbase/pocketbase"
 	"github.com/pocketbase/pocketbase/core"
 	"github.com/pocketbase/pocketbase/tools/types"
-	"htwkalender/data-manager/model"
-	"time"
 )
 
 var _ core.RecordProxy = (*Feed)(nil)
@@ -80,6 +81,22 @@ func (f *Feed) GetUpdated() types.DateTime {
 	return f.GetDateTime("updated")
 }
 
+func (f *Feed) GetType() string {
+	return f.GetString("type")
+}
+
+func (f *Feed) SetType(feedType string) {
+	f.Set("type", feedType)
+}
+
+func (f *Feed) GetUser() string {
+	return f.GetString("user")
+}
+
+func (f *Feed) SetUser(user string) {
+	f.Set("user", user)
+}
+
 func newFeed(record *core.Record) *Feed {
 	return &Feed{
 		BaseRecordProxy: core.BaseRecordProxy{Record: record},
@@ -99,6 +116,13 @@ func NewFeed(collection *core.Collection, feed model.Feed) (*Feed, error) {
 	dbFeed.SetModules(feed.Modules)
 	dbFeed.SetRetrieved(feed.Retrieved)
 	dbFeed.SetDeleted(feed.Deleted)
+	// Set type to "student" as default if not specified
+	if feed.Type == "" {
+		dbFeed.SetType("student")
+	} else {
+		dbFeed.SetType(feed.Type)
+	}
+	dbFeed.SetUser(feed.User)
 
 	return dbFeed, nil
 }
@@ -110,6 +134,8 @@ func (f *Feed) ToModel() model.Feed {
 		Created:   f.GetCreated(),
 		Updated:   f.GetUpdated(),
 		Deleted:   f.GetDeleted(),
+		Type:      f.GetType(),
+		User:      f.GetUser(),
 		BaseModel: core.BaseModel{
 			Id: f.GetId(),
 		},
@@ -143,6 +169,8 @@ func FindFeedByToken(app *pocketbase.PocketBase, token string) (*model.Feed, err
 	feed.Modules = record.GetString("modules")
 	feed.Retrieved = record.GetDateTime("retrieved")
 	feed.Deleted = record.GetBool("deleted")
+	feed.Type = record.GetString("type")
+	feed.User = record.GetString("user")
 
 	//update retrieved time if the is not marked as deleted
 	if !record.GetBool("deleted") {

services/data-manager/service/grpc/feedService.go

@@ -2,9 +2,10 @@ package grpc
 
 import (
 	"context"
-	"github.com/pocketbase/pocketbase"
 	pb "htwkalender/common/genproto/modules"
 	"htwkalender/data-manager/service/db"
+
+	"github.com/pocketbase/pocketbase"
 )
 
 type FeedServiceHandler struct {
@@ -25,9 +26,17 @@ func (s *FeedServiceHandler) GetFeed(ctx context.Context, in *pb.GetFeedRequest)
 		return nil, err
 	}
 
-	// Implement your logic here to fetch feed data based on the UUID
+	pbFeed := feedToProto(feed)
-	// Example response
+
+	// If feed has a user linked, fetch the user's email
+	if feed.User != "" {
+		user, err := s.app.FindRecordById("users", feed.User)
+		if err == nil && user != nil {
+			pbFeed.UserEmail = user.Email()
+		}
+	}
+
 	return &pb.GetFeedResponse{
-		Feed: feedToProto(feed),
+		Feed: pbFeed,
 	}, nil
 }

services/data-manager/service/grpc/mapper.go

@@ -40,5 +40,7 @@ func feedToProto(feed *model.Feed) *pb.Feed {
 		Retrieved: feed.Retrieved.String(),
 		Modules:   feed.Modules,
 		Deleted:   feed.Deleted,
+		Type:      feed.Type,
+		User:      feed.User,
 	}
 }

services/data-manager/service/hooks.go

@@ -0,0 +1,34 @@
+package service
+
+import (
+	"strings"
+
+	"github.com/pocketbase/pocketbase"
+	"github.com/pocketbase/pocketbase/apis"
+	"github.com/pocketbase/pocketbase/core"
+)
+
+func AddHooks(app *pocketbase.PocketBase) {
+	app.OnRecordAuthWithOAuth2Request("users").BindFunc(func(e *core.RecordAuthWithOAuth2RequestEvent) error {
+		email := e.OAuth2User.Email
+
+		// If email is not in the main field, try to extract it from RawUser
+		if email == "" {
+			if rawEmail, ok := e.OAuth2User.RawUser["email"].(string); ok {
+				email = rawEmail
+				// Explicitly set the email on the OAuth2User so PocketBase uses it
+				e.OAuth2User.Email = rawEmail
+			}
+		}
+
+		if email == "" {
+			return apis.NewBadRequestError("No email received from OAuth2 provider. Please ensure your account has an email address and the 'email' scope is granted.", nil)
+		}
+		// Restrict login to @htwk-leipzig.de employees only (not students)
+		if !strings.HasSuffix(email, "@htwk-leipzig.de") {
+			return apis.NewBadRequestError("Login restricted to @htwk-leipzig.de emails. Students (@stud.htwk-leipzig.de) are not allowed.", nil)
+		}
+
+		return e.Next()
+	})
+}

services/data-manager/service/ical/ical.go

@@ -18,17 +18,33 @@ package ical
 
 import (
 	"encoding/json"
-	"github.com/pocketbase/pocketbase"
-	"github.com/pocketbase/pocketbase/apis"
 	"htwkalender/data-manager/model"
 	"htwkalender/data-manager/service/db"
+
+	"github.com/pocketbase/pocketbase"
+	"github.com/pocketbase/pocketbase/apis"
 )
 
 func CreateIndividualFeed(modules []model.FeedCollection, pb *pocketbase.PocketBase) (string, error) {
+	return CreateIndividualFeedWithType(modules, "", "", pb)
+}
+
+// CreateIndividualFeedWithType creates a feed with specified type and user
+func CreateIndividualFeedWithType(modules []model.FeedCollection, feedType string, userId string, pb *pocketbase.PocketBase) (string, error) {
 	var icalFeed model.Feed
 	jsonModules, _ := json.Marshal(modules)
 	icalFeed.Modules = string(jsonModules)
 
+	// Set feed type (defaults to "student" in SaveFeed if not provided)
+	if feedType != "" {
+		icalFeed.Type = feedType
+	}
+
+	// Set user relation for professor feeds
+	if userId != "" {
+		icalFeed.User = userId
+	}
+
 	collection, dbError := pb.FindCollectionByNameOrId("feeds")
 	if dbError != nil {
 		return "", apis.NewNotFoundError("Collection could not be found", dbError)

services/data-manager/service/professor/professorService.go

@@ -0,0 +1,79 @@
+package professor
+
+import (
+	"htwkalender/data-manager/model"
+	"log/slog"
+
+	commonProf "htwkalender/common/professor"
+
+	"github.com/pocketbase/dbx"
+	"github.com/pocketbase/pocketbase"
+)
+
+type ProfessorService struct {
+	app *pocketbase.PocketBase
+}
+
+func NewProfessorService(app *pocketbase.PocketBase) *ProfessorService {
+	return &ProfessorService{app: app}
+}
+
+func (s *ProfessorService) GetModulesForProfessor(email string) ([]model.ModuleDTO, error) {
+	// Extract name from email
+	firstName, lastName, err := commonProf.ExtractNameFromEmail(email)
+	if err != nil {
+		slog.Warn("Failed to extract name from email", "email", email, "error", err)
+		return []model.ModuleDTO{}, nil
+	}
+
+	slog.Info("Searching for modules for professor", "firstName", firstName, "lastName", lastName, "email", email)
+
+	// First, get all distinct modules with their professors
+	type EventProf struct {
+		Name      string `db:"Name" json:"name"`
+		EventType string `db:"EventType" json:"eventType"`
+		Prof      string `db:"Prof" json:"prof"`
+		Course    string `db:"course" json:"course"`
+		Semester  string `db:"semester" json:"semester"`
+		UUID      string `db:"uuid" json:"uuid"`
+	}
+
+	var allEvents []EventProf
+	err = s.app.DB().
+		Select("Name", "EventType", "Prof", "course", "semester", "uuid").
+		From("events").
+		Where(dbx.NewExp("Prof != ''")).
+		GroupBy("Name", "course", "Prof").
+		Distinct(true).
+		All(&allEvents)
+
+	if err != nil {
+		return nil, err
+	}
+
+	// Filter events by matching professor name and calculate confidence scores
+	var modules []model.ModuleDTO
+	seenModules := make(map[string]bool) // key: Name+Course to avoid duplicates
+
+	for _, event := range allEvents {
+		score := commonProf.CalculateConfidenceScore(event.Prof, firstName, lastName)
+		if score > 0 { // Include all modules with any match
+			key := event.Name + "|" + event.Course
+			if !seenModules[key] {
+				modules = append(modules, model.ModuleDTO{
+					Name:            event.Name,
+					EventType:       event.EventType,
+					Prof:            event.Prof,
+					Course:          event.Course,
+					Semester:        event.Semester,
+					UUID:            event.UUID,
+					ConfidenceScore: score,
+				})
+				seenModules[key] = true
+			}
+		}
+	}
+
+	slog.Info("Found modules for professor", "count", len(modules), "lastName", lastName)
+	return modules, nil
+}

services/data-manager/service/professor/routes.go

@@ -0,0 +1,63 @@
+package professor
+
+import (
+	"htwkalender/data-manager/model"
+	"htwkalender/data-manager/service/ical"
+	"log/slog"
+	"net/http"
+
+	"github.com/pocketbase/pocketbase/apis"
+	"github.com/pocketbase/pocketbase/core"
+)
+
+func RegisterRoutes(se *core.ServeEvent, service *ProfessorService) {
+	se.Router.GET("/api/professor/modules", func(e *core.RequestEvent) error {
+		record := e.Auth
+		if record == nil {
+			return apis.NewForbiddenError("Only authenticated users can access this endpoint", nil)
+		}
+
+		email := record.GetString("email")
+		if email == "" {
+			return apis.NewBadRequestError("User has no email", nil)
+		}
+
+		modules, err := service.GetModulesForProfessor(email)
+		if err != nil {
+			return apis.NewBadRequestError("Failed to fetch modules", err)
+		}
+
+		return e.JSON(http.StatusOK, modules)
+	}).Bind(apis.RequireAuth())
+
+	// POST /api/professor/feed - Create a professor-specific feed
+	se.Router.POST("/api/professor/feed", func(e *core.RequestEvent) error {
+		record := e.Auth
+		if record == nil {
+			return apis.NewForbiddenError("Only authenticated users can access this endpoint", nil)
+		}
+
+		userId := record.Id
+		if userId == "" {
+			return apis.NewBadRequestError("User ID not found", nil)
+		}
+
+		// Bind the feed collection from request body
+		var feedCollection []model.FeedCollection
+		err := e.BindBody(&feedCollection)
+		if err != nil {
+			slog.Error("Failed to bind request body", "error", err)
+			return apis.NewBadRequestError("Invalid request body", err)
+		}
+
+		// Create feed with type="prof" and link to authenticated user
+		token, err := ical.CreateIndividualFeedWithType(feedCollection, "prof", userId, service.app)
+		if err != nil {
+			slog.Error("Failed to create professor feed", "error", err, "userId", userId)
+			return apis.NewInternalServerError("Failed to create professor feed", err)
+		}
+
+		slog.Info("Created professor feed", "userId", userId, "token", token)
+		return e.JSON(http.StatusOK, token)
+	}).Bind(apis.RequireAuth())
+}

services/ical/model/feedModel.go

@@ -27,6 +27,9 @@ type BaseModel struct {
 type Feed struct {
 	Modules   string   `db:"modules" json:"modules"`
 	Retrieved JSONTime `db:"retrieved" json:"retrieved"`
+	Deleted   bool     `db:"deleted" json:"deleted"`
+	Type      string   `db:"type" json:"type"` // "prof" or "student"
+	User      string   `db:"user" json:"user"` // Relation to users table
 	BaseModel
 }
 

services/ical/model/icalModel.go

@@ -62,6 +62,9 @@ type FeedRecord struct {
 	Modules   []FeedModule `db:"modules" json:"modules"`
 	Retrieved JSONTime     `db:"retrieved" json:"retrieved"`
 	Deleted   bool         `db:"deleted" json:"deleted"`
+	Type      string       `db:"type" json:"type"`            // "prof" or "student"
+	User      string       `db:"user" json:"user"`            // User ID relation
+	UserEmail string       `db:"user_email" json:"userEmail"` // User Email for filtering
 	BaseModel
 }
 

services/ical/service/connector/grpc/feeds.go

@@ -18,12 +18,13 @@ package grpc
 
 import (
 	"context"
-	"github.com/goccy/go-json"
-	"google.golang.org/grpc"
 	pb "htwkalender/common/genproto/modules"
 	"htwkalender/ical/model"
 	"log/slog"
 	"time"
+
+	"github.com/goccy/go-json"
+	"google.golang.org/grpc"
 )
 
 func GetFeed(feedId string, conn *grpc.ClientConn) (model.FeedRecord, error) {
@@ -65,5 +66,8 @@ func protoToFeed(feed *pb.Feed) (model.FeedRecord, error) {
 		Retrieved: model.ToJSONTime(feed.Retrieved),
 		Modules:   modules,
 		Deleted:   feed.Deleted,
+		Type:      feed.Type,
+		User:      feed.User,
+		UserEmail: feed.UserEmail,
 	}, nil
 }

services/ical/service/ical/ical.go

@@ -24,6 +24,8 @@ import (
 	"htwkalender/ical/service/functions"
 	"log/slog"
 	"time"
+
+	commonProf "htwkalender/common/professor"
 )
 
 const expirationTime = 5 * time.Minute
@@ -59,6 +61,11 @@ func Feed(app model.AppType, token string, userAgent string) (string, string, er
 			return "", "", err
 		}
 
+		// Filter by professor if type is "prof"
+		if feed.Type == "prof" && feed.UserEmail != "" {
+			events = filterEventsByProfessor(events, feed.UserEmail)
+		}
+
 		// Sort events by start date
 		events.Sort()
 
@@ -126,3 +133,22 @@ func FeedRoom(app model.AppType, room string, userAgent string) (string, string,
 
 	return icalFeed.Content, etag, nil
 }
+
+func filterEventsByProfessor(events model.Events, email string) model.Events {
+	if email == "" {
+		return events
+	}
+
+	firstName, lastName, err := commonProf.ExtractNameFromEmail(email)
+	if err != nil {
+		return events
+	}
+
+	var filteredEvents model.Events
+	for _, event := range events {
+		if commonProf.MatchesProfessor(event.Prof, firstName, lastName) {
+			filteredEvents = append(filteredEvents, event)
+		}
+	}
+	return filteredEvents
+}

services/protobuf/feeds.proto

@@ -13,6 +13,9 @@ message Feed {
   string created = 4;
   string updated = 5;
   bool deleted = 6;
+  string type = 7;  // "prof" or "student"
+  string user = 8;  // User ID relation
+  string user_email = 9; // User Email for filtering
 }
 
 message GetFeedRequest {

services/protobuf/htwkalender/common/modules/feeds.pb.go

@@ -0,0 +1,350 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.28.1
+// 	protoc        v5.27.1
+// source: feeds.proto
+
+package modules
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type Feed struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id        string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Modules   string `protobuf:"bytes,2,opt,name=modules,proto3" json:"modules,omitempty"`
+	Retrieved string `protobuf:"bytes,3,opt,name=retrieved,proto3" json:"retrieved,omitempty"`
+	Created   string `protobuf:"bytes,4,opt,name=created,proto3" json:"created,omitempty"`
+	Updated   string `protobuf:"bytes,5,opt,name=updated,proto3" json:"updated,omitempty"`
+	Deleted   bool   `protobuf:"varint,6,opt,name=deleted,proto3" json:"deleted,omitempty"`
+	Type      string `protobuf:"bytes,7,opt,name=type,proto3" json:"type,omitempty"`                            // "prof" or "student"
+	User      string `protobuf:"bytes,8,opt,name=user,proto3" json:"user,omitempty"`                            // User ID relation
+	UserEmail string `protobuf:"bytes,9,opt,name=user_email,json=userEmail,proto3" json:"user_email,omitempty"` // User Email for filtering
+}
+
+func (x *Feed) Reset() {
+	*x = Feed{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_feeds_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Feed) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Feed) ProtoMessage() {}
+
+func (x *Feed) ProtoReflect() protoreflect.Message {
+	mi := &file_feeds_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Feed.ProtoReflect.Descriptor instead.
+func (*Feed) Descriptor() ([]byte, []int) {
+	return file_feeds_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Feed) GetId() string {
+	if x != nil {
+		return x.Id
+	}
+	return ""
+}
+
+func (x *Feed) GetModules() string {
+	if x != nil {
+		return x.Modules
+	}
+	return ""
+}
+
+func (x *Feed) GetRetrieved() string {
+	if x != nil {
+		return x.Retrieved
+	}
+	return ""
+}
+
+func (x *Feed) GetCreated() string {
+	if x != nil {
+		return x.Created
+	}
+	return ""
+}
+
+func (x *Feed) GetUpdated() string {
+	if x != nil {
+		return x.Updated
+	}
+	return ""
+}
+
+func (x *Feed) GetDeleted() bool {
+	if x != nil {
+		return x.Deleted
+	}
+	return false
+}
+
+func (x *Feed) GetType() string {
+	if x != nil {
+		return x.Type
+	}
+	return ""
+}
+
+func (x *Feed) GetUser() string {
+	if x != nil {
+		return x.User
+	}
+	return ""
+}
+
+func (x *Feed) GetUserEmail() string {
+	if x != nil {
+		return x.UserEmail
+	}
+	return ""
+}
+
+type GetFeedRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+}
+
+func (x *GetFeedRequest) Reset() {
+	*x = GetFeedRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_feeds_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetFeedRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetFeedRequest) ProtoMessage() {}
+
+func (x *GetFeedRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_feeds_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetFeedRequest.ProtoReflect.Descriptor instead.
+func (*GetFeedRequest) Descriptor() ([]byte, []int) {
+	return file_feeds_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *GetFeedRequest) GetId() string {
+	if x != nil {
+		return x.Id
+	}
+	return ""
+}
+
+type GetFeedResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Feed *Feed `protobuf:"bytes,1,opt,name=feed,proto3" json:"feed,omitempty"`
+}
+
+func (x *GetFeedResponse) Reset() {
+	*x = GetFeedResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_feeds_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *GetFeedResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*GetFeedResponse) ProtoMessage() {}
+
+func (x *GetFeedResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_feeds_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use GetFeedResponse.ProtoReflect.Descriptor instead.
+func (*GetFeedResponse) Descriptor() ([]byte, []int) {
+	return file_feeds_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *GetFeedResponse) GetFeed() *Feed {
+	if x != nil {
+		return x.Feed
+	}
+	return nil
+}
+
+var File_feeds_proto protoreflect.FileDescriptor
+
+var file_feeds_proto_rawDesc = []byte{
+	0x0a, 0x0b, 0x66, 0x65, 0x65, 0x64, 0x73, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0xe3, 0x01,
+	0x0a, 0x04, 0x46, 0x65, 0x65, 0x64, 0x12, 0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01,
+	0x28, 0x09, 0x52, 0x02, 0x69, 0x64, 0x12, 0x18, 0x0a, 0x07, 0x6d, 0x6f, 0x64, 0x75, 0x6c, 0x65,
+	0x73, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x6d, 0x6f, 0x64, 0x75, 0x6c, 0x65, 0x73,
+	0x12, 0x1c, 0x0a, 0x09, 0x72, 0x65, 0x74, 0x72, 0x69, 0x65, 0x76, 0x65, 0x64, 0x18, 0x03, 0x20,
+	0x01, 0x28, 0x09, 0x52, 0x09, 0x72, 0x65, 0x74, 0x72, 0x69, 0x65, 0x76, 0x65, 0x64, 0x12, 0x18,
+	0x0a, 0x07, 0x63, 0x72, 0x65, 0x61, 0x74, 0x65, 0x64, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52,
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+	0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_feeds_proto_rawDescOnce sync.Once
+	file_feeds_proto_rawDescData = file_feeds_proto_rawDesc
+)
+
+func file_feeds_proto_rawDescGZIP() []byte {
+	file_feeds_proto_rawDescOnce.Do(func() {
+		file_feeds_proto_rawDescData = protoimpl.X.CompressGZIP(file_feeds_proto_rawDescData)
+	})
+	return file_feeds_proto_rawDescData
+}
+
+var file_feeds_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
+var file_feeds_proto_goTypes = []interface{}{
+	(*Feed)(nil),            // 0: Feed
+	(*GetFeedRequest)(nil),  // 1: GetFeedRequest
+	(*GetFeedResponse)(nil), // 2: GetFeedResponse
+}
+var file_feeds_proto_depIdxs = []int32{
+	0, // 0: GetFeedResponse.feed:type_name -> Feed
+	1, // 1: FeedService.GetFeed:input_type -> GetFeedRequest
+	2, // 2: FeedService.GetFeed:output_type -> GetFeedResponse
+	2, // [2:3] is the sub-list for method output_type
+	1, // [1:2] is the sub-list for method input_type
+	1, // [1:1] is the sub-list for extension type_name
+	1, // [1:1] is the sub-list for extension extendee
+	0, // [0:1] is the sub-list for field type_name
+}
+
+func init() { file_feeds_proto_init() }
+func file_feeds_proto_init() {
+	if File_feeds_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_feeds_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Feed); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_feeds_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetFeedRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_feeds_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetFeedResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_feeds_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   3,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_feeds_proto_goTypes,
+		DependencyIndexes: file_feeds_proto_depIdxs,
+		MessageInfos:      file_feeds_proto_msgTypes,
+	}.Build()
+	File_feeds_proto = out.File
+	file_feeds_proto_rawDesc = nil
+	file_feeds_proto_goTypes = nil
+	file_feeds_proto_depIdxs = nil
+}

services/protobuf/htwkalender/common/modules/feeds_grpc.pb.go

@@ -0,0 +1,105 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.2.0
+// - protoc             v5.27.1
+// source: feeds.proto
+
+package modules
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+// FeedServiceClient is the client API for FeedService service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type FeedServiceClient interface {
+	GetFeed(ctx context.Context, in *GetFeedRequest, opts ...grpc.CallOption) (*GetFeedResponse, error)
+}
+
+type feedServiceClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewFeedServiceClient(cc grpc.ClientConnInterface) FeedServiceClient {
+	return &feedServiceClient{cc}
+}
+
+func (c *feedServiceClient) GetFeed(ctx context.Context, in *GetFeedRequest, opts ...grpc.CallOption) (*GetFeedResponse, error) {
+	out := new(GetFeedResponse)
+	err := c.cc.Invoke(ctx, "/FeedService/GetFeed", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// FeedServiceServer is the server API for FeedService service.
+// All implementations must embed UnimplementedFeedServiceServer
+// for forward compatibility
+type FeedServiceServer interface {
+	GetFeed(context.Context, *GetFeedRequest) (*GetFeedResponse, error)
+	mustEmbedUnimplementedFeedServiceServer()
+}
+
+// UnimplementedFeedServiceServer must be embedded to have forward compatible implementations.
+type UnimplementedFeedServiceServer struct {
+}
+
+func (UnimplementedFeedServiceServer) GetFeed(context.Context, *GetFeedRequest) (*GetFeedResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetFeed not implemented")
+}
+func (UnimplementedFeedServiceServer) mustEmbedUnimplementedFeedServiceServer() {}
+
+// UnsafeFeedServiceServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to FeedServiceServer will
+// result in compilation errors.
+type UnsafeFeedServiceServer interface {
+	mustEmbedUnimplementedFeedServiceServer()
+}
+
+func RegisterFeedServiceServer(s grpc.ServiceRegistrar, srv FeedServiceServer) {
+	s.RegisterService(&FeedService_ServiceDesc, srv)
+}
+
+func _FeedService_GetFeed_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(GetFeedRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(FeedServiceServer).GetFeed(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/FeedService/GetFeed",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(FeedServiceServer).GetFeed(ctx, req.(*GetFeedRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// FeedService_ServiceDesc is the grpc.ServiceDesc for FeedService service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var FeedService_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "FeedService",
+	HandlerType: (*FeedServiceServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "GetFeed",
+			Handler:    _FeedService_GetFeed_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "feeds.proto",
+}