connect to /notify WebSocket from frontend on app startup

.gitignore

@@ -0,0 +1,7 @@
+
+/.idea
+.env
+.local
+
+staticfiles/
+userfiles/

web/src/App.vue

@@ -3,8 +3,11 @@
     <AddItemModal v-if="addModalOpen" @close="closeAddModal()" isModal="true"/>
     <Navbar @addClicked="openAddModal()"/>
     <router-view/>
-        <div aria-live="polite" aria-atomic="true" class="d-flex justify-content-end align-items-start fixed-top mx-1 my-5 py-3" style="min-height: 200px; z-index: 100000; pointer-events: none">
+    <div aria-live="polite" aria-atomic="true"
-            <Toast v-for="toast in toasts" :key="toast" :title="toast.title" :message="toast.message" :color="toast.color" @close="removeToast(toast.key)" style="pointer-events: auto"/>
+         class="d-flex justify-content-end align-items-start fixed-top mx-1 my-5 py-3"
+         style="min-height: 200px; z-index: 100000; pointer-events: none">
+      <Toast v-for="toast in toasts" :key="toast" :title="toast.title" :message="toast.message" :color="toast.color"
+             @close="removeToast(toast.key)" style="pointer-events: auto"/>
     </div>
   </div>
 </template>
@@ -23,13 +26,41 @@ export default {
     addModalOpen: false
   }),
   methods: {
-    ...mapMutations(['removeToast']),
+    ...mapMutations(['removeToast', 'createToast']),
     openAddModal() {
       this.addModalOpen = true;
     },
     closeAddModal() {
       this.addModalOpen = false;
     }
+  },
+  created: function () {
+    this.notify_socket = new WebSocket('wss://' + window.location.host + '/notify/');
+    this.notify_socket.onmessage = (e) => {
+      let data = JSON.parse(e.data);
+      console.log(data, e.data);
+    };
+    this.notify_socket.onopen = (e) => {
+      this.createToast({
+        title: "Connection established",
+        message: JSON.stringify(e),
+        color: "success"
+      });
+    };
+    this.notify_socket.onclose = (e) => {
+      this.createToast({
+        title: "Connection closed",
+        message: JSON.stringify(e),
+        color: "danger"
+      });
+    };
+    this.notify_socket.onerror = (e) => {
+      this.createToast({
+        title: "Connection error",
+        message: JSON.stringify(e),
+        color: "danger"
+      });
+    };
   }
 };
 </script>