From d4a248bc5dda745b2e37b5b8f47eec71ece167f3 Mon Sep 17 00:00:00 2001
From: survellow <59056368+survellow@users.noreply.github.com>
Date: Tue, 21 May 2024 17:03:45 +0200
Subject: [PATCH] 31 add page labels and meta information

---
 frontend/package-lock.json          | 80 +++++++++++++++++++++++++++++
 frontend/package.json               |  1 +
 frontend/public/robots.txt          |  2 +
 frontend/src/App.vue                | 34 +++++++++++-
 frontend/src/components/MenuBar.vue |  6 +--
 frontend/src/main.ts                |  4 ++
 frontend/src/router/index.ts        | 36 +++++++++++++
 frontend/src/view/DynamicPage.vue   | 14 +++--
 8 files changed, 167 insertions(+), 10 deletions(-)
 create mode 100644 frontend/public/robots.txt

diff --git a/frontend/package-lock.json b/frontend/package-lock.json
index 9aff9c0..74070fc 100644
--- a/frontend/package-lock.json
+++ b/frontend/package-lock.json
@@ -15,6 +15,7 @@
         "@fullcalendar/vue3": "^6.1.11",
         "@tanstack/vue-query": "^5.28.9",
         "@tanstack/vue-query-devtools": "^5.28.10",
+        "@unhead/vue": "^1.9.10",
         "@vueuse/core": "^10.9.0",
         "pinia": "^2.1.7",
         "primeflex": "^3.3.1",
@@ -1260,6 +1261,58 @@
       "integrity": "sha512-zuVdFrMJiuCDQUMCzQaD6KL28MjnqqN8XnAqiEq9PNm/hCPTSGfrXCOfwj1ow4LFb/tNymJPwsNbVePc1xFqrQ==",
       "dev": true
     },
+    "node_modules/@unhead/dom": {
+      "version": "1.9.10",
+      "resolved": "https://registry.npmjs.org/@unhead/dom/-/dom-1.9.10.tgz",
+      "integrity": "sha512-F4sBrmd8kG8MEqcVTGL0Y6tXbJMdWK724pznUzefpZTs1GaVypFikLluaLt4EnICcVhOBSe4TkGrc8N21IJJzQ==",
+      "dependencies": {
+        "@unhead/schema": "1.9.10",
+        "@unhead/shared": "1.9.10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/harlan-zw"
+      }
+    },
+    "node_modules/@unhead/schema": {
+      "version": "1.9.10",
+      "resolved": "https://registry.npmjs.org/@unhead/schema/-/schema-1.9.10.tgz",
+      "integrity": "sha512-3ROh0doKfA7cIcU0zmjYVvNOiJuxSOcjInL+7iOFIxQovEWr1PcDnrnbEWGJsXrLA8eqjrjmhuDqAr3JbMGsLg==",
+      "dependencies": {
+        "hookable": "^5.5.3",
+        "zhead": "^2.2.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/harlan-zw"
+      }
+    },
+    "node_modules/@unhead/shared": {
+      "version": "1.9.10",
+      "resolved": "https://registry.npmjs.org/@unhead/shared/-/shared-1.9.10.tgz",
+      "integrity": "sha512-LBXxm/8ahY4FZ0FbWVaM1ANFO5QpPzvaYwjAQhgHANsrqFP2EqoGcOv1CfhdQbxg8vpGXkjI7m0r/8E9d3JoDA==",
+      "dependencies": {
+        "@unhead/schema": "1.9.10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/harlan-zw"
+      }
+    },
+    "node_modules/@unhead/vue": {
+      "version": "1.9.10",
+      "resolved": "https://registry.npmjs.org/@unhead/vue/-/vue-1.9.10.tgz",
+      "integrity": "sha512-Zi65eTU5IIaqqXAVOVJ4fnwJRR751FZIFlzYOjIekf1eNkISy+A4xyz3NIEQWSlXCrOiDNgDhT0YgKUcx5FfHQ==",
+      "dependencies": {
+        "@unhead/schema": "1.9.10",
+        "@unhead/shared": "1.9.10",
+        "hookable": "^5.5.3",
+        "unhead": "1.9.10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/harlan-zw"
+      },
+      "peerDependencies": {
+        "vue": ">=2.7 || >=3"
+      }
+    },
     "node_modules/@vitejs/plugin-vue": {
       "version": "5.0.4",
       "resolved": "https://registry.npmjs.org/@vitejs/plugin-vue/-/plugin-vue-5.0.4.tgz",
@@ -2897,6 +2950,11 @@
         "he": "bin/he"
       }
     },
+    "node_modules/hookable": {
+      "version": "5.5.3",
+      "resolved": "https://registry.npmjs.org/hookable/-/hookable-5.5.3.tgz",
+      "integrity": "sha512-Yc+BQe8SvoXH1643Qez1zqLRmbA5rCL+sSmk6TVos0LWVfNIB7PGncdlId77WzLGSIB5KaWgTaNTs2lNVEI6VQ=="
+    },
     "node_modules/human-signals": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/human-signals/-/human-signals-5.0.0.tgz",
@@ -4338,6 +4396,20 @@
       "integrity": "sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==",
       "dev": true
     },
+    "node_modules/unhead": {
+      "version": "1.9.10",
+      "resolved": "https://registry.npmjs.org/unhead/-/unhead-1.9.10.tgz",
+      "integrity": "sha512-Y3w+j1x1YFig2YuE+W2sER+SciRR7MQktYRHNqvZJ0iUNCCJTS8Z/SdSMUEeuFV28daXeASlR3fy7Ry3O2indg==",
+      "dependencies": {
+        "@unhead/dom": "1.9.10",
+        "@unhead/schema": "1.9.10",
+        "@unhead/shared": "1.9.10",
+        "hookable": "^5.5.3"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/harlan-zw"
+      }
+    },
     "node_modules/update-browserslist-db": {
       "version": "1.0.13",
       "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.0.13.tgz",
@@ -4789,6 +4861,14 @@
       "funding": {
         "url": "https://github.com/sponsors/sindresorhus"
       }
+    },
+    "node_modules/zhead": {
+      "version": "2.2.4",
+      "resolved": "https://registry.npmjs.org/zhead/-/zhead-2.2.4.tgz",
+      "integrity": "sha512-8F0OI5dpWIA5IGG5NHUg9staDwz/ZPxZtvGVf01j7vHqSyZ0raHY+78atOVxRqb73AotX22uV1pXt3gYSstGag==",
+      "funding": {
+        "url": "https://github.com/sponsors/harlan-zw"
+      }
     }
   }
 }
diff --git a/frontend/package.json b/frontend/package.json
index 75e6d89..1f2bb64 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -20,6 +20,7 @@
     "@fullcalendar/vue3": "^6.1.11",
     "@tanstack/vue-query": "^5.28.9",
     "@tanstack/vue-query-devtools": "^5.28.10",
+    "@unhead/vue": "^1.9.10",
     "@vueuse/core": "^10.9.0",
     "pinia": "^2.1.7",
     "primeflex": "^3.3.1",
diff --git a/frontend/public/robots.txt b/frontend/public/robots.txt
new file mode 100644
index 0000000..c2a49f4
--- /dev/null
+++ b/frontend/public/robots.txt
@@ -0,0 +1,2 @@
+User-agent: *
+Allow: /
diff --git a/frontend/src/App.vue b/frontend/src/App.vue
index 16c3545..60ba27c 100644
--- a/frontend/src/App.vue
+++ b/frontend/src/App.vue
@@ -18,11 +18,14 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 <script lang="ts" setup>
 import MenuBar from "./components/MenuBar.vue";
-import { RouteRecordName, RouterView } from "vue-router";
+import { RouteRecordName, RouterView, useRoute, useRouter } from "vue-router";
+import { useHead } from "@unhead/vue";
 import CalendarPreview from "./components/CalendarPreview.vue";
 import moduleStore from "./store/moduleStore.ts";
-import { provide, ref } from "vue";
+import { computed, provide, ref } from "vue";
 import { VueQueryDevtools } from "@tanstack/vue-query-devtools";
+import { useI18n } from "vue-i18n";
+const { t } = useI18n({ useScope: "global" });
 
 const disabledPages = [
   "room-finder",
@@ -36,6 +39,33 @@ const disabledPages = [
   "room-schedule",
 ];
 
+// Provide canonical link for SEO
+const router = useRouter();
+const route = useRoute();
+const baseUri = "https://cal.htwk-leipzig.de"; // could be stored in .env
+const canonical = computed(() => `${baseUri}${router.resolve(route.name ? { name: route.name } : route).path}`);
+const title = computed(() => route.meta.label? 
+  `HTWKalender - ${t(String(route.meta.label))}`:
+  "HTWKalender"
+);
+
+useHead({
+  title: title, 
+  link: [
+    { rel: "canonical", href: canonical},
+  ],
+  meta: [
+    {
+      name: "description",
+      content: "Dein individueller Stundenplan mit Sportevents und Prüfungen. Finde kommende Veranstaltungen oder freie Räume zum Lernen und Arbeiten.",
+    },
+    {
+      name: "keywords",
+      content: "HTWK Leipzig, Stundenplan, iCal, freie Räume, Lerngruppen, Sport, Prüfungen",
+    }
+  ]
+});
+
 const store = moduleStore();
 const mobilePage = ref(true);
 provide("mobilePage", mobilePage);
diff --git a/frontend/src/components/MenuBar.vue b/frontend/src/components/MenuBar.vue
index 9b44a7d..f27650b 100644
--- a/frontend/src/components/MenuBar.vue
+++ b/frontend/src/components/MenuBar.vue
@@ -102,12 +102,13 @@ function handleDarkModeToggled(isDarkVar: boolean) {
           "
           v-bind="props.action"
           @click="navigate"
+          :href="item.route"
         >
           <span :class="item.icon" />
           <span class="ml-2 p-menuitem-label">{{ item.label }}</span>
         </a>
       </router-link>
-      <a
+      <span
         v-else
         :class="
           $route.path.includes(item.info)
@@ -115,11 +116,10 @@ function handleDarkModeToggled(isDarkVar: boolean) {
             : 'flex align-items-center'
         "
         v-bind="props.action"
-        :href="item.url"
       >
         <span :class="item.icon" />
         <span class="ml-2 p-menuitem-label">{{ item.label }}</span>
-      </a>
+    </span>
     </template>
     <template #end>
       <div class="flex align-items-stretch justify-content-center">
diff --git a/frontend/src/main.ts b/frontend/src/main.ts
index 56f1172..ae51354 100644
--- a/frontend/src/main.ts
+++ b/frontend/src/main.ts
@@ -17,6 +17,7 @@
 import "source-sans/source-sans-3.css";
 
 import { createApp } from "vue";
+import { createHead } from "@unhead/vue";
 import "./style.css";
 import App from "./App.vue";
 import PrimeVue from "primevue/config";
@@ -69,6 +70,9 @@ app.use(VueQueryPlugin, {
   },
 });
 
+const head = createHead();
+app.use(head);
+
 app.use(PrimeVue);
 app.use(router);
 app.use(ToastService);
diff --git a/frontend/src/router/index.ts b/frontend/src/router/index.ts
index 1de0165..a55c07d 100644
--- a/frontend/src/router/index.ts
+++ b/frontend/src/router/index.ts
@@ -37,46 +37,73 @@ const router = createRouter({
       path: "/",
       name: "course-selection",
       component: CourseSelection,
+      meta: {
+        label: "",
+      },
     },
     {
       path: "/rooms/occupancy",
       name: "room-schedule",
       component: RoomFinder,
+      meta: {
+        label: "roomFinderPage.roomSchedule",
+      },
     },
     {
       path: "/rooms/free",
       name: "free-rooms",
       component: FreeRooms,
+      meta: {
+        label: "freeRooms.freeRooms",
+      }
     },
     {
       path: "/faq",
       name: "faq",
       component: Faq,
+      meta: {
+        label: "faq",
+      }
     },
     {
       path: "/additional-modules",
       name: "additional-modules",
       component: AdditionalModules,
+      meta: {
+        label: "createCalendar",
+      }
     },
     {
       path: "/edit-additional-modules",
       name: "edit-additional-modules",
       component: EditAdditionalModules,
+      meta: {
+        label: "editCalendar",
+      }
     },
     {
       path: "/edit-calendar",
       name: "edit-calendar",
       component: EditModules,
+      meta: {
+        label: "editCalendar",
+      }
     },
     {
       path: "/calendar-link",
       name: "calendar-link",
       component: CalendarLink,
+      meta: {
+        label: "createCalendar"
+      }
     },
     {
       path: "/edit",
       name: "edit",
       component: EditCalendarView,
+      meta: {
+        label: "editCalendar",
+      }
     },
     {
       path: "/privacy-policy",
@@ -86,6 +113,9 @@ const router = createRouter({
         window.location.href =
           "https://www.htwk-leipzig.de/hochschule/kontakt/datenschutzerklaerung/";
       },
+      meta: {
+        label: "privacy"
+      }
     },
     {
       path: "/imprint",
@@ -95,11 +125,17 @@ const router = createRouter({
         window.location.href =
           "https://www.htwk-leipzig.de/hochschule/kontakt/impressum/";
       },
+      meta: {
+        label: "imprint"
+      }
     },
     {
       path: "/rename-modules",
       name: "rename-modules",
       component: RenameModules,
+      meta: {
+        label: "createCalendar"
+      }
     },
   ],
 });
diff --git a/frontend/src/view/DynamicPage.vue b/frontend/src/view/DynamicPage.vue
index 6d02ead..19d442b 100644
--- a/frontend/src/view/DynamicPage.vue
+++ b/frontend/src/view/DynamicPage.vue
@@ -42,18 +42,18 @@ const hasContent = computed(() => {
 </script>
 
 <template>
-  <div class="flex flex-column align-items-center mt-0">
+  <heading class="flex flex-column align-items-center mt-0">
     <div
       class="flex align-items-center justify-content-center gap-3 mx-2 mb-4 transition-rolldown"
       :class="{ 'md:mt-8': hideContent }"
     >
-      <h3 class="text-4xl">
+      <h1 class="text-4xl">
         {{ headline }}
-      </h3>
+      </h1>
       <i v-if="icon" :class="icon" style="font-size: 2rem"></i>
     </div>
     <div v-if="subTitle" class="flex justify-content-center">
-      <h5 class="text-2xl m-2">{{ subTitle }}</h5>
+      <p class="subtitle text-2xl m-2">{{ subTitle }}</p>
     </div>
     <div class="flex flex-wrap mx-0 gap-2 my-4 w-full lg:w-8">
       <slot name="selection" flex-specs="flex-1 m-0"></slot>
@@ -87,11 +87,15 @@ const hasContent = computed(() => {
     >
       <slot name="content"></slot>
     </div>
-  </div>
+  </heading>
 </template>
 
 <style scoped>
 .transition-rolldown {
   transition: margin-top 0.5s ease-in-out;
 }
+.subtitle {
+  font-weight: 100;
+  font-size: 1.5rem;
+}
 </style>