Push messaging fixes:

* Remove push subscriptions on logout, to trigger a resubscription when logging back in.
* Don't try to call `this.push` when there's no `this` to have a `push` on.

2 files changed, 9 insertions, 1 deletions

diff --git a/ui/lib/session.svelte.js b/ui/lib/session.svelte.js
index cd41aa4..74508ea 100644
--- a/ui/lib/session.svelte.js
+++ b/ui/lib/session.svelte.js
@@ -145,7 +145,12 @@ async function bootOrNavigate(navigateTo) {
   } catch (err) {
     switch (true) {
       case err instanceof api.LoggedOut:
-        await this.push.unsubscribe();
+        // Can't use `Push` state manager here as it requires boot, which we just failed to do.
+        const sw = await navigator.serviceWorker.ready;
+        const subscription = await sw.pushManager.getSubscription();
+        if (subscription !== null) {
+          await subscription.unsubscribe();
+        }
         await navigateTo('/login');
         break;
       case err instanceof api.SetupRequired:
diff --git a/ui/routes/(app)/me/+page.svelte b/ui/routes/(app)/me/+page.svelte
index a21d160..afdcbe4 100644
--- a/ui/routes/(app)/me/+page.svelte
+++ b/ui/routes/(app)/me/+page.svelte
@@ -17,12 +17,15 @@
   async function logOut() {
     const response = await api.logOut();
     if (200 <= response.status && response.status < 300) {
+      await session.push.unsubscribe();
       await goto('/login');
     }
   }
 
   async function changePassword(currentPassword, newPassword) {
     await api.changePassword(currentPassword, newPassword);
+    await session.push.unsubscribe();
+    await session.push.resubscribe();
   }
 
   async function createInvite() {