Export chat (from room info page)

src/components/roomInfoMixin.js

@@ -62,7 +62,16 @@ export default {
         return this.room.shouldEncryptForInvitedMembers()
       }
       return false;
-    }
+    },
+
+    userCanExportChat() {
+      // We say that if you can redact events, you are allowed to export chats.
+      const me = this.room && this.room.getMember(this.$matrix.currentUserId);
+      let isAdmin =
+        me && this.room.currentState && this.room.currentState.hasSufficientPowerLevelFor("redact", me.powerLevel);
+      return isAdmin;
+    },
+
   },
   watch: {
     room: {