From 86f03c0fc2fdf3ee78defdaaaae6a444db73458f Mon Sep 17 00:00:00 2001
From: N-Pex <npexdev@gmail.com>
Date: Thu, 27 May 2021 13:38:57 +0200
Subject: [PATCH] Purge room work

For issue #118. Now with better status and error. Also, make sure to set global flag "no warning for unknown devices" while we are redacting events.
---
 src/assets/translations/en.json    | 12 ++++++++++--
 src/components/PurgeRoomDialog.vue | 26 +++++++++++++++++++++-----
 src/main.js                        |  2 +-
 src/services/matrix.service.js     | 14 ++++++++++++--
 4 files changed, 44 insertions(+), 10 deletions(-)

diff --git a/src/assets/translations/en.json b/src/assets/translations/en.json
index e47c8a6..0bbcda2 100644
--- a/src/assets/translations/en.json
+++ b/src/assets/translations/en.json
@@ -48,11 +48,19 @@
     "user_is_typing": "{user} is typing",
     "users_are_typing": "{count} members are typing",
     "room_powerlevel_change": "{user} changed powerlevel of {changes}",
-    "user_powerlevel_change_from_to": "{user} from {powerOld} to {powerNew}"
+    "user_powerlevel_change_from_to": "{user} from {powerOld} to {powerNew}",
+    "user_changed_guest_access_closed": "{user} disallowed guests to join the room",
+    "user_changed_guest_access_open": "{user} allowed guests to join the room"
   },
   "room": {
     "members": "no members | 1 member | {count} members",
-    "leave": "Leave"
+    "leave": "Leave",
+    "purge_set_room_state": "Setting room state",
+    "purge_redacting_events": "Redacting events",
+    "purge_removing_members": "Removing members",
+    "purge_failed": "Failed to purge room!",
+    "room_list_invites": "Invites",
+    "room_list_rooms": "Rooms"
   },
   "room_welcome": {
     "welcome": "Welcome!",
diff --git a/src/components/PurgeRoomDialog.vue b/src/components/PurgeRoomDialog.vue
index 37aa355..f76a766 100644
--- a/src/components/PurgeRoomDialog.vue
+++ b/src/components/PurgeRoomDialog.vue
@@ -3,9 +3,12 @@
     <div class="dialog-content text-center">
       <template>
         <v-icon color="black" size="30">lock</v-icon>
-        <h2 class="dialog-title">{{$t('purge_room.title')}}</h2>
+        <h2 class="dialog-title">{{ $t("purge_room.title") }}</h2>
         <div class="dialog-text">
-          {{$t('purge_room.info')}}
+          {{ $t("purge_room.info") }}
+        </div>
+        <div class="dialog-text">
+          {{ status }}
         </div>
       </template>
       <v-container fluid>
@@ -16,8 +19,9 @@
               text
               block
               class="text-button"
+              :disabled="isPurging"
               @click="showDialog = false"
-              >{{$t('menu.cancel')}}</v-btn
+              >{{ $t("menu.cancel") }}</v-btn
             >
           </v-col>
           <v-col cols="6" align="center">
@@ -26,8 +30,9 @@
               depressed
               block
               class="filled-button"
+              :disabled="isPurging"
               @click.stop="onPurgeRoom()"
-              >{{$t('purge_room.button')}}</v-btn
+              >{{ $t("purge_room.button") }}</v-btn
             >
           </v-col>
         </v-row>
@@ -52,6 +57,8 @@ export default {
   data() {
     return {
       showDialog: false,
+      isPurging: false,
+      status: null,
     };
   },
   watch: {
@@ -69,8 +76,9 @@ export default {
 
   methods: {
     onPurgeRoom() {
+      this.isPurging = true;
       this.$matrix
-        .purgeRoom(this.room.roomId)
+        .purgeRoom(this.room.roomId, this.onPurgeStatus)
         .then(() => {
           this.showDialog = false;
           console.log("Purged room");
@@ -78,8 +86,16 @@ export default {
         })
         .catch((err) => {
           console.error("Error purging", err);
+          this.status = this.$t("room.purge_failed");
+        })
+        .finally(() => {
+          this.isPurging = false;
         });
     },
+
+    onPurgeStatus(message) {
+      this.status = message;
+    },
   },
 };
 </script>
diff --git a/src/main.js b/src/main.js
index 9b17b0e..d7570e7 100644
--- a/src/main.js
+++ b/src/main.js
@@ -24,7 +24,7 @@ Vue.config.productionTip = false
 
 Vue.use(VueResize);
 Vue.use(VEmojiPicker);
-Vue.use(matrix, { store: store });
+Vue.use(matrix, { store: store, i18n: i18n });
 Vue.use(cleaninsights);
 Vue.use(VueClipboard);
 
diff --git a/src/services/matrix.service.js b/src/services/matrix.service.js
index 9f26ecf..440c71b 100644
--- a/src/services/matrix.service.js
+++ b/src/services/matrix.service.js
@@ -15,10 +15,11 @@ export default {
         }
 
         const store = options.store;
+        const i18n = options.i18n;
 
         const matrixService = new Vue({
             store,
-
+            i18n,
             data() {
                 return {
                     matrixClient: null,
@@ -471,7 +472,8 @@ export default {
                  * - Kick all members
                  * @param roomId 
                  */
-                purgeRoom(roomId) {
+                purgeRoom(roomId, statusCallback) {
+                    const oldGlobalErrorSetting = this.matrixClient.getGlobalErrorOnUnknownDevices();
                     return new Promise((resolve, reject) => {
                         const room = this.getRoom(roomId);
                         if (!room) {
@@ -487,6 +489,7 @@ export default {
                         const self = this;
 
                         console.log("Purge: set invite only");
+                        statusCallback(this.$t('room.purge_set_room_state'));
                         this.matrixClient.sendStateEvent(
                             roomId,
                             "m.room.join_rules",
@@ -530,6 +533,9 @@ export default {
                             })
                             .then(() => {
                                 console.log("Purge: redact events");
+                                statusCallback(this.$t('room.purge_redacting_events'));
+                                // First ignore unknown device errors
+                                this.matrixClient.setGlobalErrorOnUnknownDevices(false);
                                 var redactionPromises = [];
                                 timelineWindow.getEvents().forEach(event => {
                                     if (!event.isRedacted() && !event.isRedaction() && !event.isState()) {
@@ -541,6 +547,7 @@ export default {
                             })
                             .then(() => {
                                 console.log("Purge: kick members");
+                                statusCallback(this.$t('room.purge_removing_members'));
                                 var joined = room.getMembersWithMembership("join");
                                 var invited = room.getMembersWithMembership("invite");
                                 var members = joined.concat(invited);
@@ -554,10 +561,13 @@ export default {
                                 return Promise.all(kickPromises);
                             })
                             .then(() => {
+                                statusCallback(null);
+                                this.matrixClient.setGlobalErrorOnUnknownDevices(oldGlobalErrorSetting);
                                 resolve(true); // Done!
                             })
                             .catch((err) => {
                                 console.error("Error purging room", err);
+                                this.matrixClient.setGlobalErrorOnUnknownDevices(oldGlobalErrorSetting);
                                 reject(err);
                             });
                     })