fix: send from the own account when a group's identities can't be read, and clear a draft save stopped by an account switch

src/api/__tests__/send-account.test.ts

@@ -99,6 +99,20 @@ describe('sendTargetFor', () => {
     });
   });
 
+  it("sends from the own account when the group's identities can't be read", async () => {
+    const accounts = client.currentSession.accounts as Record<string, { name: string }>;
+    accounts.team.name = 'team@example.com';
+    vi.spyOn(console, 'warn').mockImplementation(() => undefined);
+    client.request.mockRejectedValue(new Error('Network request failed'));
+    try {
+      await expect(sendTargetFor(MIRRORED, 'team@example.com', MAILBOXES)).resolves.toEqual({
+        identityId: 'i-me-team', draftsMailboxId: 'own-drafts', sentMailboxId: 'own-sent',
+      });
+    } finally {
+      accounts.team.name = 'Team';
+    }
+  });
+
   it('keeps an own message in the own folders', async () => {
     await expect(sendTargetFor(ME, 'me@example.com', MAILBOXES)).resolves.toEqual({
       identityId: 'i-me', draftsMailboxId: 'own-drafts', sentMailboxId: 'own-sent',

src/lib/compose-send-account.ts

@@ -39,7 +39,12 @@ export async function sendTargetFor(identity: Identity, fromEmail: string, mailb
   if (accountId === jmapClient.accountId) return ownTarget;
   // Submitting needs the account's own identity for the address; without
   // one, the message goes out of the login's account as before.
-  const accountIdentity = await sendIdentityIn(accountId, fromEmail);
+  let accountIdentity: Identity | undefined;
+  try {
+    accountIdentity = await sendIdentityIn(accountId, fromEmail);
+  } catch (err) {
+    console.warn('[compose] could not read the identities of the sending account', err);
+  }
   if (!accountIdentity) return ownTarget;
   let scope = mailboxesOfAccount(mailboxes, accountId);
   if (!scope.some((m) => m.role === 'sent')) {

src/screens/ComposeScreen.tsx

@@ -1383,7 +1383,10 @@ export default function ComposeScreen({ route, navigation }: Props) {
       // A draft From a group identity is saved in the group's Drafts, like
       // its Sent copy (#1090); one without a Drafts folder there in the own.
       const target = await sendTargetFor(identity, outgoing.from[0]?.email ?? identity.email, mailboxes);
-      if (loginMoved()) return draftIdRef.current;
+      if (loginMoved()) {
+        setDraftStatus('idle');
+        return draftIdRef.current;
+      }
       const saveIn = target.accountId && target.draftsMailboxId
         ? { accountId: target.accountId, draftsMailboxId: target.draftsMailboxId }
         : { accountId: undefined, draftsMailboxId: draftsMailbox.id };