From 615aa2b781cf1c76500d0041b65ad73d1c7b1ee1 Mon Sep 17 00:00:00 2001
From: N-Pex <npexdev@gmail.com>
Date: Mon, 4 Aug 2025 09:44:06 +0200
Subject: [PATCH] Support upgraded rooms (via links to successor/predecessor)

---
 src/assets/translations/en.json               |  5 +-
 src/components/Chat.vue                       |  6 +-
 src/components/Join.vue                       |  4 +-
 src/components/RoomExport.vue                 |  2 +-
 src/components/RoomList.vue                   | 41 +++++++++--
 src/components/chatMixin.js                   | 14 ++--
 src/components/messages/RoomCreated.vue       | 17 -----
 .../messages/composition/RoomCreated.vue      | 69 +++++++++++++++++++
 .../messages/composition/RoomTombstone.vue    | 41 +++++++++++
 src/services/navigation.service.ts            |  1 +
 src/store/index.js                            | 29 ++++----
 11 files changed, 181 insertions(+), 48 deletions(-)
 delete mode 100644 src/components/messages/RoomCreated.vue
 create mode 100644 src/components/messages/composition/RoomCreated.vue
 create mode 100644 src/components/messages/composition/RoomTombstone.vue

diff --git a/src/assets/translations/en.json b/src/assets/translations/en.json
index bf3714e..72d2ece 100644
--- a/src/assets/translations/en.json
+++ b/src/assets/translations/en.json
@@ -115,7 +115,10 @@
     "images": "Images",
     "send_attachements_dialog_title": "Do you want to send following attachments?",
     "download_all": "Download all",
-    "failed_to_render": "Failed to render event"
+    "failed_to_render": "Failed to render event",
+    "room_upgraded": "This room has been upgraded, go {link} to rejoin the discussion",
+    "room_upgraded_link": "here",
+    "room_upgraded_view_old": "This room was upgraded. Click {link} to view old messages"
   },
   "room": {
     "invitations": "You have no invitations | You have 1 invitation | You have {count} invitations",
diff --git a/src/components/Chat.vue b/src/components/Chat.vue
index 667a89c..d6b6d3a 100644
--- a/src/components/Chat.vue
+++ b/src/components/Chat.vue
@@ -242,7 +242,7 @@
       :title="room.name"
     />
 
-    <MessageOperationsBottomSheet ref="messageOperationsSheet">
+    <BottomSheet ref="messageOperationsSheet" halfY="0.1">
       <EmojiPicker ref="emojiPicker" 
         :native="true"
         @select="emojiSelected" 
@@ -252,7 +252,7 @@
         :group-order="['recently_used']"
         disable-skin-tones 
         :static-texts="{ placeholder: $t('emoji.search')}"/>
-    </MessageOperationsBottomSheet>
+    </BottomSheet>
 
     <StickerPickerBottomSheet ref="stickerPickerSheet" v-on:selectSticker="sendSticker" />
 
@@ -316,7 +316,6 @@ import WelcomeHeaderDirectChat from "./welcome_headers/WelcomeHeaderDirectChat";
 import WelcomeHeaderChannel from "./welcome_headers/WelcomeHeaderChannel";
 import WelcomeHeaderChannelUser from "./welcome_headers/WelcomeHeaderChannelUser";
 import NoHistoryRoomWelcomeHeader from "./NoHistoryRoomWelcomeHeader.vue";
-import MessageOperationsBottomSheet from "./MessageOperationsBottomSheet";
 import StickerPickerBottomSheet from "./StickerPickerBottomSheet";
 import UserProfileDialog from "./UserProfileDialog.vue"
 import BottomSheet from "./BottomSheet.vue";
@@ -379,7 +378,6 @@ export default {
     WelcomeHeaderRoom,
     WelcomeHeaderDirectChat,
     NoHistoryRoomWelcomeHeader,
-    MessageOperationsBottomSheet,
     StickerPickerBottomSheet,
     BottomSheet,
     CreatePollDialog,
diff --git a/src/components/Join.vue b/src/components/Join.vue
index b8ed847..70f5016 100644
--- a/src/components/Join.vue
+++ b/src/components/Join.vue
@@ -78,7 +78,7 @@
           </v-col>
         </v-row>
 
-        <v-checkbox id="chk-accept-ua" class="mt-0" v-model="acceptUA">
+        <v-checkbox id="chk-accept-ua" class="mt-0" v-model="acceptUA" v-if="!$store.state.uaAccepted">
           <template v-slot:label>
             <i18n-t keypath="join.accept_ua" tag="span">
               <template v-slot:agreement>
@@ -265,6 +265,7 @@ export default {
         if (!value || (value && value == oldVal)) {
           return; // No change.
         }
+        this.acceptUA = this.$store.state.uaAccepted;
         console.log("Join: Current room changed to " + (value ? value : "null"));
         this.roomName = this.removeHomeServer(this.roomId);
 
@@ -437,6 +438,7 @@ export default {
         .then((room) => {
           this.loading = false;
           this.loadingMessage = null;
+          this.$store.commit("acceptUA", true);
           this.$nextTick(() => {
             if (this.roomNeedsKnock) {
               // For knocks, send to room list
diff --git a/src/components/RoomExport.vue b/src/components/RoomExport.vue
index 62379e6..c9728a4 100644
--- a/src/components/RoomExport.vue
+++ b/src/components/RoomExport.vue
@@ -75,7 +75,7 @@ import ContactJoin from "./messages/ContactJoin.vue";
 import ContactLeave from "./messages/ContactLeave.vue";
 import ContactInvited from "./messages/ContactInvited.vue";
 import ContactChanged from "./messages/ContactChanged.vue";
-import RoomCreated from "./messages/RoomCreated.vue";
+import RoomCreated from "./messages/composition/RoomCreated.vue";
 import RoomAliased from "./messages/RoomAliased.vue";
 import RoomNameChanged from "./messages/RoomNameChanged.vue";
 import RoomTopicChanged from "./messages/RoomTopicChanged.vue";
diff --git a/src/components/RoomList.vue b/src/components/RoomList.vue
index 13a0a97..0272067 100644
--- a/src/components/RoomList.vue
+++ b/src/components/RoomList.vue
@@ -61,7 +61,7 @@
     </v-list-item>
 
     <v-list-item v-for="room in joinedRooms" :key="room.roomId" :value="room.roomId"
-      @click="currentRoomId = room.roomId" class="room-list-room">
+      v-on:click="() => goToRoom(room)" class="room-list-room">
       <template v-slot:prepend>
         <v-avatar size="42" color="#d9d9d9" :class="[{ 'rounded-circle': isDirect(room) }]">
           <AuthedImage v-if="roomAvatar(room)" :src="roomAvatar(room)" />
@@ -87,7 +87,7 @@
 </template>
 
 <script>
-import util from "../plugins/utils";
+import utils from "../plugins/utils";
 import AuthedImage from "./AuthedImage.vue";
 
 export default {
@@ -124,7 +124,19 @@ export default {
     },
     joinedRooms() {
       // show room with notification on top, followed by room decending order by active Timestamp
-      return [...this.$matrix.joinedRooms].sort((a, b) => {
+      let rooms = this.$matrix.joinedRooms;
+      let upgradedRooms = rooms.filter((r) => r.currentState.getStateEvents("m.room.tombstone").length > 0);
+      let normalRooms = rooms.filter((r) => r.currentState.getStateEvents("m.room.tombstone").length == 0);
+      let normalRoomsId = normalRooms.map((r) => r.roomId);
+      upgradedRooms.forEach(r => {
+        const history = this.$matrix.matrixClient.getRoomUpgradeHistory(r.roomId, true, true);
+        const successor = history[history.length - 1];
+        if (!normalRoomsId.includes(successor.roomId)) {
+          normalRoomsId.push(successor.roomId);
+          normalRooms.push(successor);
+        }
+      });
+      return [...normalRooms].sort((a, b) => {
         if (this.notificationCount(a)) return -1;
         if (this.notificationCount(b)) return 1;
         return b.getLastActiveTimestamp() - a.getLastActiveTimestamp()
@@ -132,6 +144,25 @@ export default {
     },
   },
   methods: {
+    goToRoom(room) {
+      const events = room.currentState.getStateEvents("m.room.tombstone");
+      if (events && events.length > 0) {
+        const replacement_room = events[events.length - 1].getContent().replacement_room;
+        this.$navigation.push(
+        {
+          name: "Join",
+          params: { 
+            roomId: utils.sanitizeRoomId(replacement_room), 
+            join: true
+          },
+          query: this.$route.query
+        },
+        0
+      );
+      } else {
+        this.currentRoomId = utils.sanitizeRoomId(room.roomId);
+      }
+    },
     roomAvatar(room) {
       if (this.isDirect(room)) {
         if (room.avatar) {
@@ -184,7 +215,7 @@ export default {
               {
                 name: "Chat",
                 params: {
-                  roomId: util.sanitizeRoomId(
+                  roomId: utils.sanitizeRoomId(
                     room.getCanonicalAlias() || room.roomId
                   ),
                 },
@@ -232,7 +263,7 @@ export default {
       this.$navigation.push(
         {
           name: "Chat",
-          params: { roomId: util.sanitizeRoomId(this.currentRoomId) },
+          params: { roomId: utils.sanitizeRoomId(this.currentRoomId) },
         },
         -1
       );
diff --git a/src/components/chatMixin.js b/src/components/chatMixin.js
index 1c3af1d..40c1d5d 100644
--- a/src/components/chatMixin.js
+++ b/src/components/chatMixin.js
@@ -27,7 +27,7 @@ import ContactInvited from "./messages/ContactInvited.vue";
 import ContactKicked from "./messages/ContactKicked.vue";
 import ContactBanned from "./messages/ContactBanned.vue";
 import ContactChanged from "./messages/ContactChanged.vue";
-import RoomCreated from "./messages/RoomCreated.vue";
+import RoomCreated from "./messages/composition/RoomCreated.vue";
 import RoomAliased from "./messages/RoomAliased.vue";
 import RoomNameChanged from "./messages/RoomNameChanged.vue";
 import RoomTopicChanged from "./messages/RoomTopicChanged.vue";
@@ -38,7 +38,6 @@ import ChatHeader from "./ChatHeader";
 import VoiceRecorder from "./VoiceRecorder";
 import RoomInfoBottomSheet from "./RoomInfoBottomSheet";
 import WelcomeHeaderRoom from "./welcome_headers/WelcomeHeaderRoom.vue";
-import MessageOperationsBottomSheet from "./MessageOperationsBottomSheet";
 import stickers from "../plugins/stickers";
 import StickerPickerBottomSheet from "./StickerPickerBottomSheet";
 import BottomSheet from "./BottomSheet.vue";
@@ -50,6 +49,7 @@ import RoomEncrypted from "./messages/RoomEncrypted.vue";
 import RoomDeletionNotice from "./messages/RoomDeletionNotice.vue";
 import DebugEvent from "./messages/DebugEvent.vue";
 import ReadMarker from "./messages/ReadMarker.vue";
+import RoomTombstone from "./messages/composition/RoomTombstone.vue";
 import roomDisplayOptionsMixin from "./roomDisplayOptionsMixin";
 import roomTypeMixin from "./roomTypeMixin";
 
@@ -92,11 +92,11 @@ export default {
     VoiceRecorder,
     RoomInfoBottomSheet,
     WelcomeHeaderRoom,
-    MessageOperationsBottomSheet,
     StickerPickerBottomSheet,
     BottomSheet,
     CreatePollDialog,
     ReadMarker,
+    RoomTombstone
   },
   computed: {
     debugging() {
@@ -264,10 +264,7 @@ export default {
           }
 
         case "m.room.create":
-          if (this.showAllStatusMessages) {
-            return RoomCreated;
-          }
-          break;
+          return RoomCreated; // Check showAllStatusMessages in the component. We might want to show this always for upgraded rooms.
 
         case "m.room.canonical_alias":
           if (this.showAllStatusMessages) {
@@ -323,6 +320,9 @@ export default {
           }
           break;
 
+        case "m.room.tombstone":
+          return RoomTombstone;
+
         case "m.poll.start":
         case "org.matrix.msc3381.poll.start":
           if (event.getSender() != this.$matrix.currentUserId) {
diff --git a/src/components/messages/RoomCreated.vue b/src/components/messages/RoomCreated.vue
deleted file mode 100644
index 9d4fc08..0000000
--- a/src/components/messages/RoomCreated.vue
+++ /dev/null
@@ -1,17 +0,0 @@
-<template>
-  <div class="statusEvent">
-    {{ $t('message.user_created_room', {user: eventSenderDisplayName(event)}) }}
-  </div>
-</template>
-
-<script>
-import messageMixin from "./messageMixin";
-
-export default {
-  mixins: [messageMixin],
-};
-</script>
-
-<style lang="scss">
-@use "@/assets/css/chat.scss" as *;
-</style>
\ No newline at end of file
diff --git a/src/components/messages/composition/RoomCreated.vue b/src/components/messages/composition/RoomCreated.vue
new file mode 100644
index 0000000..8d3be8a
--- /dev/null
+++ b/src/components/messages/composition/RoomCreated.vue
@@ -0,0 +1,69 @@
+<template>
+  <div class="statusEvent" v-if="predecessorRoom !== undefined">
+    <i18n-t keypath="message.room_upgraded_view_old" tag="span">
+      <template v-slot:link>
+        <a v-on:click="goToPredecessor" class="clickable" href="about:blank">{{ $t("message.room_upgraded_link") }}</a>
+      </template>
+    </i18n-t>
+  </div>
+  <div class="statusEvent">
+    {{ $t('message.user_created_room', {user: eventSenderDisplayName(event)}) }}
+  </div>
+</template>
+
+<script setup lang="ts">
+import { inject, ref, Ref, watch } from "vue";
+import { MessageProps, useMessage } from "./useMessage";
+import utils from "@/plugins/utils";
+import { Room } from "matrix-js-sdk";
+import { useI18n } from "vue-i18n";
+
+const { t } = useI18n();
+const $matrix: any = inject("globalMatrix");
+const $navigation: any = inject("globalNavigation");
+
+const props = defineProps<MessageProps>();
+
+const predecessorRoom: Ref<Room | undefined> = ref(undefined);
+
+const { event, eventSenderDisplayName } = useMessage(
+  $matrix,
+  t,
+  props,
+  undefined,
+  undefined
+);
+
+watch(props.room, (room) => {
+  const rooms = $matrix.matrixClient.getRoomUpgradeHistory(room.roomId, true, true);
+  if (rooms && rooms.length > 1) {
+    const idx = rooms.indexOf(props.room);
+    if (idx > 0) {
+      predecessorRoom.value = rooms[idx - 1];
+      return;
+    }
+  }
+  predecessorRoom.value = undefined;
+}, { immediate: true });
+
+const goToPredecessor = (e: Event) => {
+  e.preventDefault();
+  e.stopPropagation();
+  if (predecessorRoom.value) {
+    $navigation.push(
+      {
+        name: "Chat",
+        params: {
+          roomId: utils.sanitizeRoomId(predecessorRoom.value.roomId),
+        },
+      },
+      -1
+    );
+  }
+};
+
+</script>
+
+<style lang="scss">
+@use "@/assets/css/chat.scss" as *;
+</style>
\ No newline at end of file
diff --git a/src/components/messages/composition/RoomTombstone.vue b/src/components/messages/composition/RoomTombstone.vue
new file mode 100644
index 0000000..35e0f2b
--- /dev/null
+++ b/src/components/messages/composition/RoomTombstone.vue
@@ -0,0 +1,41 @@
+<template>
+  <div class="statusEvent">
+    <i18n-t keypath="message.room_upgraded" tag="span">
+      <template v-slot:link>
+        <a v-on:click="goToSuccessor" class="clickable" href="about:blank">{{ $t("message.room_upgraded_link") }}</a>
+      </template>
+    </i18n-t>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { inject } from "vue";
+import { MessageProps } from "./useMessage";
+import utils from "@/plugins/utils";
+
+const $navigation: any = inject("globalNavigation");
+
+const props = defineProps<MessageProps>();
+
+const goToSuccessor = (e: Event) => {
+  e.preventDefault();
+  e.stopPropagation();
+
+  const replacement_room = props.originalEvent.getContent().replacement_room;
+  if (replacement_room) {
+    $navigation.push(
+      {
+        name: "Chat",
+        params: {
+          roomId: utils.sanitizeRoomId(replacement_room),
+        },
+      },
+      -1
+    );
+  }
+};
+</script>
+
+<style lang="scss">
+@use "@/assets/css/chat.scss" as *;
+</style>
diff --git a/src/services/navigation.service.ts b/src/services/navigation.service.ts
index ea601b3..1b4c20b 100644
--- a/src/services/navigation.service.ts
+++ b/src/services/navigation.service.ts
@@ -79,6 +79,7 @@ export default {
     };
 
     app.$navigation = navigationService;
+    app.provide("globalNavigation", navigationService);
     app.config.globalProperties.$navigation = navigationService;
   },
 };
diff --git a/src/store/index.js b/src/store/index.js
index a0716c0..1b3c597 100644
--- a/src/store/index.js
+++ b/src/store/index.js
@@ -1,17 +1,17 @@
 import { createStore } from 'vuex'
 import VuexPersistence from 'vuex-persist'
 
-const USER = `convene_${ window.location.hostname }_user`
-const SETTINGS = `convene_${ window.location.hostname }_settings`
+export const STORE_KEY_USER = `convene_${ window.location.hostname }_user`
+export const STORE_KEY_SETTINGS = `convene_${ window.location.hostname }_settings`
 
 // A Vuex plugin to persist the user object to either session or local storage, based on flag in the store state.
 //
 const persistUserPlugin = store => {
     var user;
     if (store.state.useLocalStorage) {
-        user = JSON.parse(window.localStorage.getItem(USER));
+        user = JSON.parse(window.localStorage.getItem(STORE_KEY_USER));
     } else {
-        user = JSON.parse(window.sessionStorage.getItem(USER));
+        user = JSON.parse(window.sessionStorage.getItem(STORE_KEY_USER));
     }
     const initialState = user ? { status: { loggedIn: true }, user } : { status: { loggedIn: false }, user: null };
     store.state.auth = initialState;
@@ -19,11 +19,11 @@ const persistUserPlugin = store => {
     store.subscribe((mutation, state) => {
         if (mutation.type == 'setUser' || mutation.type == 'setUseLocalStorage') {
             if (state.useLocalStorage) {
-                window.localStorage.setItem(USER, JSON.stringify(state.auth.user));
-                window.sessionStorage.removeItem(USER);
+                window.localStorage.setItem(STORE_KEY_USER, JSON.stringify(state.auth.user));
+                window.sessionStorage.removeItem(STORE_KEY_USER);
             } else {
-                window.sessionStorage.setItem(USER, JSON.stringify(state.auth.user));
-                window.localStorage.removeItem(USER);
+                window.sessionStorage.setItem(STORE_KEY_USER, JSON.stringify(state.auth.user));
+                window.localStorage.removeItem(STORE_KEY_USER);
             }
         }
     })
@@ -31,7 +31,7 @@ const persistUserPlugin = store => {
 
 
 const vuexPersistLocalStorage = new VuexPersistence({
-    key: SETTINGS,
+    key: STORE_KEY_SETTINGS,
     storage: localStorage,
     reducer: state => {
         if (state.useLocalStorage) {
@@ -40,6 +40,7 @@ const vuexPersistLocalStorage = new VuexPersistence({
                 currentRoomId: state.currentRoomId,
                 hasShownMissedItemsHint: state.hasShownMissedItemsHint,
                 globalNotification: state.globalNotification,
+                uaAccepted: state.uaAccepted,
             };
         } else {
             return {};
@@ -48,7 +49,7 @@ const vuexPersistLocalStorage = new VuexPersistence({
 })
 
 const vuexPersistSessionStorage = new VuexPersistence({
-    key: SETTINGS,
+    key: STORE_KEY_SETTINGS,
     storage: sessionStorage,
     reducer: state => {
         if (!state.useLocalStorage) {
@@ -56,6 +57,7 @@ const vuexPersistSessionStorage = new VuexPersistence({
                 language: state.language,
                 currentRoomId: state.currentRoomId,
                 hasShownMissedItemsHint: state.hasShownMissedItemsHint,
+                uaAccepted: state.uaAccepted,
             };
         } else {
             return {};
@@ -63,10 +65,10 @@ const vuexPersistSessionStorage = new VuexPersistence({
     }
 })
 
-const defaultUseSessionStorage = (sessionStorage.getItem(USER) != null);
+const defaultUseSessionStorage = (sessionStorage.getItem(STORE_KEY_USER) != null);
 
 const store = createStore({
-    state: { language: null, currentRoomId: null, auth: null, tempuser: null, useLocalStorage: !defaultUseSessionStorage, globalNotification: false },
+    state: { language: null, currentRoomId: null, auth: null, tempuser: null, useLocalStorage: !defaultUseSessionStorage, globalNotification: false, uaAccepted: false },
     mutations: {
         loginSuccess(state, user) {
             state.auth.status.loggedIn = true;
@@ -100,6 +102,9 @@ const store = createStore({
         },
         setGlobalNotification(state, flag) {
             state.globalNotification = flag;
+        },
+        acceptUA(state, accepted) {
+            state.uaAccepted = accepted;
         }
     },
     actions: {