Start rewriting backend with pyotherside+asyncio

src/qml/Chat/Banners/LeftBanner.qml

@@ -0,0 +1,28 @@
+import QtQuick 2.7
+import "../../Base"
+import "../utils.js" as ChatJS
+
+Banner {
+    property var leftEvent: null
+
+    color: HStyle.chat.leftBanner.background
+
+    avatar.name: ChatJS.getLeftBannerAvatarName(leftEvent, chatPage.userId)
+    labelText: ChatJS.getLeftBannerText(leftEvent)
+
+    buttonModel: [
+        {
+            name: "forget",
+            text: qsTr("Forget"),
+            iconName: "forget_room",
+        }
+    ]
+
+    buttonCallbacks: {
+        "forget": function(button) {
+            button.loading = true
+            Backend.clients.get(chatPage.userId).forgetRoom(chatPage.roomId)
+            pageStack.clear()
+        },
+    }
+}