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LibCore+Userland: Make Promise's on_resolve fallible

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This will be primarily necessary for BackgroundAction integration, but
it already allows us to add proper error handling in LibIMAP :^)
This commit is contained in:
kleines Filmröllchen 2022-12-29 14:53:47 +01:00 • committed by Linus Groh
parent dc318d3080
commit 8f4d0d3797
5 changed files with 24 additions and 20 deletions
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13
Userland/Libraries/LibIMAP/Client.cpp
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@ -64,7 +64,7 @@ ErrorOr<void> Client::on_ready_to_receive()
// Once we get server hello we can start sending.
if (m_connect_pending) {
m_connect_pending->resolve({});
TRY(m_connect_pending->resolve({}));
m_connect_pending.clear();
m_buffer.clear();
return {};
@ -227,13 +227,13 @@ ErrorOr<void> Client::handle_parsed_response(ParseStatus&& parse_status)
bool should_send_next = false;
if (!parse_status.successful) {
m_expecting_response = false;
m_pending_promises.first()->resolve({});
TRY(m_pending_promises.first()->resolve({}));
m_pending_promises.remove(0);
}
if (parse_status.response.has_value()) {
m_expecting_response = false;
should_send_next = parse_status.response->has<SolidResponse>();
m_pending_promises.first()->resolve(move(parse_status.response));
TRY(m_pending_promises.first()->resolve(move(parse_status.response)));
m_pending_promises.remove(0);
}
@ -386,13 +386,14 @@ RefPtr<Promise<Optional<SolidResponse>>> Client::append(StringView mailbox, Mess
auto response_promise = Promise<Optional<Response>>::construct();
m_pending_promises.append(response_promise);
continue_req->on_resolved = [this, message2 { move(message) }](auto& data) {
continue_req->on_resolved = [this, message2 { move(message) }](auto& data) -> ErrorOr<void> {
if (!data.has_value()) {
MUST(handle_parsed_response({ .successful = false, .response = {} }));
TRY(handle_parsed_response({ .successful = false, .response = {} }));
} else {
MUST(send_raw(message2.data));
TRY(send_raw(message2.data));
m_expecting_response = true;
}
return {};
};
return cast_promise<SolidResponse>(response_promise);