From 2ad0d7abfb7ae3c5a5a833839b04114321a3905a Mon Sep 17 00:00:00 2001
From: Frank Elsinga <frank@elsinga.de>
Date: Sat, 25 Mar 2023 20:34:10 +0100
Subject: [PATCH] basic impementation of a calendar

---
 webclient/package.json                     |   3 +-
 webclient/src/App.vue                      |   2 +
 webclient/src/components/CalendarModal.vue | 105 +++++++++++++++++++++
 webclient/src/stores/global.ts             |   3 +
 webclient/src/views/DetailsView.vue        |   4 +-
 5 files changed, 115 insertions(+), 2 deletions(-)
 create mode 100644 webclient/src/components/CalendarModal.vue

diff --git a/webclient/package.json b/webclient/package.json
index 21b9f0147..1212b209b 100644
--- a/webclient/package.json
+++ b/webclient/package.json
@@ -16,7 +16,8 @@
     "swagger-ui-dist": "^5.0.0-alpha.0",
     "swaggerdark": "github:octycs/SwaggerDark#f02d394c8ff698cdd93e09c2188b058d2d686ca3",
     "vue": "^3.2.45",
-    "vue-router": "^4.1.6"
+    "vue-router": "^4.1.6",
+    "vue-simple-calendar": "^6.3.1"
   },
   "devDependencies": {
     "@intlify/unplugin-vue-i18n": "^0.8.1",
diff --git a/webclient/src/App.vue b/webclient/src/App.vue
index 7a39ad512..43300c63b 100644
--- a/webclient/src/App.vue
+++ b/webclient/src/App.vue
@@ -1,5 +1,6 @@
 <script setup lang="ts">
 import AppSearchBar from "@/components/AppSearchBar.vue";
+import CalendarModal from "@/components/CalendarModal.vue";
 import AppLanguageToggler from "@/components/AppLanguageToggler.vue";
 import AppThemeToggler from "@/components/AppThemeToggler.vue";
 import { useGlobalStore } from "@/stores/global";
@@ -129,6 +130,7 @@ const global = useGlobalStore();
     </div>
   </footer>
   <FeedbackModal v-if="global.feedback.open" />
+  <CalendarModal v-if="global.calendar.open" />
   <!-- General message modal -->
   <div class="modal active" v-if="global.information_modal?.body">
     <div class="modal-overlay" @click="global.information_modal.body = null"></div>
diff --git a/webclient/src/components/CalendarModal.vue b/webclient/src/components/CalendarModal.vue
new file mode 100644
index 000000000..134ba22ad
--- /dev/null
+++ b/webclient/src/components/CalendarModal.vue
@@ -0,0 +1,105 @@
+<script setup lang="ts">
+import { CalendarView, CalendarViewHeader } from "vue-simple-calendar";
+import { ref, watch } from "vue";
+import type { ICalendarItem } from "vue-simple-calendar/dist/src/ICalendarItem";
+
+import { useGlobalStore } from "@/stores/global";
+import { useRoute } from "vue-router";
+import type { components } from "@/api_types";
+type CalendarResponse = components["schemas"]["CalendarResponse"];
+import "/node_modules/vue-simple-calendar/dist/style.css";
+import "/node_modules/vue-simple-calendar/dist/css/default.css";
+import { useFetch } from "@/utils/fetch";
+
+const global = useGlobalStore();
+const showDate = ref(new Date());
+
+const tumonlineCalendarUrl = ref("https://campus.tum.de/tumonline");
+const lastmod = ref("xx.xx.xxxx xx:xx");
+const events = ref<ICalendarItem[]>([]);
+
+const route = useRoute();
+// called when the view is loaded
+update();
+// called when the view navigates to another view, but not when its initially loaded
+watch(() => showDate.value, update);
+watch(() => route.params.id, update);
+
+function update() {
+  // If we set the items like this, switching between months works without a problem
+  const start = new Date(showDate.value);
+  start.setDate(start.getDate() - 60);
+  const end = new Date(showDate.value);
+  end.setDate(end.getDate() + 60);
+
+  const startString = start.toISOString().replace("Z", "");
+  const endString = end.toISOString().replace("Z", "");
+  console.table({ startString, endString });
+  useFetch<CalendarResponse>(`/api/calendar/${route.params.id}?start=${startString}&end=${endString}`, (d) => {
+    console.log(d);
+    tumonlineCalendarUrl.value = d.calendar_url;
+    lastmod.value = d.lastmod;
+    events.value = d.events.map((e) => ({
+      id: e.id,
+      title: e.title,
+      startDate: new Date(e.start),
+      endDate: new Date(e.end),
+      classes: e.classes,
+    }));
+  });
+}
+function setShowDate(d) {
+  showDate.value = d;
+}
+</script>
+<template>
+  <div class="modal modal-lg active" id="calendar-modal">
+    <a @click="global.calendar.open = false" class="modal-overlay" aria-label="Close"></a>
+    <div class="modal-container">
+      <div class="modal-header">
+        <a @click="global.calendar.open = false" class="btn btn-clear float-right" aria-label="Close"></a>
+        <div class="modal-title h5">Calendar</div>
+      </div>
+      <div class="modal-body">
+        <div class="modal-body">
+          <CalendarView
+            id="calendar-view"
+            :items="global.calendar.events"
+            :show-date="showDate"
+            :startingDayOfWeek="1"
+            class="theme-default"
+          >
+            <template #header="{ headerProps }">
+              <CalendarViewHeader :header-props="headerProps" @input="setShowDate" />
+            </template>
+          </CalendarView>
+        </div>
+      </div>
+      <div class="modal-footer">
+        Events are updated daily, if in doubt, please check the
+        <a v-bind:href="global.calendar.url || 'https://campus.tum.de'">official calendar on TUMonline</a>. <br />
+        Last update: {{ lastmod }}
+      </div>
+    </div>
+  </div>
+</template>
+<style lang="scss">
+#calendar-modal {
+  .modal-container {
+    position: relative;
+    top: 5em;
+    height: auto;
+    max-width: 100vw !important;
+    max-height: 90vh !important;
+    .modal-body {
+      padding: 0;
+      height: 50rem;
+      #calendar-view {
+        display: flex;
+        flex-direction: column;
+        flex-grow: 1;
+      }
+    }
+  }
+}
+</style>
diff --git a/webclient/src/stores/global.ts b/webclient/src/stores/global.ts
index dd0543642..b76766b98 100644
--- a/webclient/src/stores/global.ts
+++ b/webclient/src/stores/global.ts
@@ -13,6 +13,9 @@ export const useGlobalStore = defineStore({
   state: () => ({
     search_focused: false,
     error_message: null,
+    calendar: {
+      open: false,
+    },
     information_modal: {
       header: null as string | null,
       body: null as string | null,
diff --git a/webclient/src/views/DetailsView.vue b/webclient/src/views/DetailsView.vue
index 8956a0cf8..bd76d0a20 100644
--- a/webclient/src/views/DetailsView.vue
+++ b/webclient/src/views/DetailsView.vue
@@ -11,6 +11,7 @@ import { useI18n } from "vue-i18n";
 import { getLocalStorageWithExpiry, removeLocalStorage } from "@/utils/storage";
 import { copyCurrentLink, setDescription, setTitle } from "@/utils/common";
 import { selectedMap, useDetailsStore } from "@/stores/details";
+import { useGlobalStore } from "@/stores/global";
 import { nextTick, onMounted, ref, watch } from "vue";
 import { useFetch } from "@/utils/fetch";
 import { useRoute } from "vue-router";
@@ -62,6 +63,7 @@ function update() {
   });
 }
 
+const global = useGlobalStore();
 const state = useDetailsStore();
 const copied = ref(false);
 // Coordinate picker states
@@ -250,7 +252,7 @@ onMounted(() => {
           <a
             class="btn btn-link btn-action btn-sm"
             v-if="state.data?.props?.calendar_url"
-            v-bind:href="state.data.props.calendar_url"
+            @click="global.calendar.open = true"
             target="_blank"
             v-bind:title="$t('view_view.header.calendar')"
           >