handle channel_archive event

Automattic · Oct 10, 2023 · 17505ea · 17505ea
1 parent c274bee
commit 17505ea
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diff --git a/src/SlackEventHandler.ts b/src/SlackEventHandler.ts
@@ -211,6 +211,7 @@ export class SlackEventHandler extends BaseSlackHandler {
                 break;
             case "channel_created":
             case "channel_deleted":
+            case "channel_archived":
             case "user_change":
             case "team_join":
                 await this.handleTeamSyncEvent(event as ISlackTeamSyncEvent, teamId);
@@ -367,6 +368,8 @@ export class SlackEventHandler extends BaseSlackHandler {
             await this.main.teamSyncer.onChannelAdded(teamId, eventDetails.channel.id, eventDetails.channel.name, eventDetails.channel.creator);
         } else if (event.type === "channel_deleted") {
             await this.main.teamSyncer.onChannelDeleted(teamId, event.channel);
+        } else if (event.type === "channel_archive") {
+            await this.main.teamSyncer.onChannelArchived(teamId, event.channel);
         } else if (event.type === "team_join" || event.type === "user_change") {
             const user = event.user!;
             const domain = (await this.main.datastore.getTeam(teamId))!.domain;

diff --git a/src/TeamSyncer.ts b/src/TeamSyncer.ts
@@ -406,6 +406,48 @@ export class TeamSyncer {
         }
     }
 
+    public async onChannelArchived(teamId: string, channelId: string): Promise<void> {
+        log.info(`${teamId} archived channel ${channelId}`);
+        if (!this.getTeamSyncConfig(teamId, "channel", channelId)) {
+            return;
+        }
+        const room = this.main.rooms.getBySlackChannelId(channelId);
+        if (!room) {
+            log.warn("Not unlinking channel, no room found");
+            return;
+        }
+
+        // notify admins
+        if (this.adminRoom) {
+            await this.main.botIntent.sendMessage(this.adminRoom, {
+                msgtype: "m.notice",
+                body: `${teamId} archived channel ${channelId}, bridged room: ${room.MatrixRoomId}`,
+            });
+        }
+
+        try {
+            await this.main.botIntent.sendMessage(room.MatrixRoomId, {
+                msgtype: "m.notice",
+                body: "The Slack channel bridged to this room has been archived.",
+            });
+        } catch (ex) {
+            log.warn("Failed to send archived notice into the room:", ex);
+        }
+
+        // Hide deleted channels in the room directory.
+        try {
+            await this.main.botIntent.setRoomDirectoryVisibility(room.MatrixRoomId, "private");
+        } catch (ex) {
+            log.warn("Failed to hide room from the room directory:", ex);
+        }
+
+        try {
+            await this.main.actionUnlink({ matrix_room_id: room.MatrixRoomId });
+        } catch (ex) {
+            log.warn("Tried to unlink room but failed:", ex);
+        }
+    }
+
     public async syncMembershipForRoom(roomId: string, channelId: string, teamId: string, client: WebClient): Promise<void> {
         const existingGhosts = await this.main.listGhostUsers(roomId);
         // We assume that we have this