make select_folder return ImapActionResult's and early-return from idle if there is no selected folder

This commit is contained in:
holger krekel
2019-11-11 14:07:11 +01:00
committed by dignifiedquire
parent 101141c67a
commit 6bdc207277

View File

@@ -396,12 +396,16 @@ impl Imap {
})
}
async fn select_folder<S: AsRef<str>>(&self, context: &Context, folder: Option<S>) -> usize {
async fn select_folder<S: AsRef<str>>(
&self,
context: &Context,
folder: Option<S>,
) -> ImapActionResult {
if self.session.lock().await.is_none() {
let mut cfg = self.config.write().await;
cfg.selected_folder = None;
cfg.selected_folder_needs_expunge = false;
return 0;
return ImapActionResult::Failed;
}
// if there is a new folder and the new folder is equal to the selected one, there's nothing to do.
@@ -409,7 +413,7 @@ impl Imap {
if let Some(ref folder) = folder {
if let Some(ref selected_folder) = self.config.read().await.selected_folder {
if folder.as_ref() == selected_folder {
return 1;
return ImapActionResult::AlreadyDone;
}
}
}
@@ -429,11 +433,11 @@ impl Imap {
}
Err(err) => {
warn!(context, "failed to close session: {:?}", err);
return 0;
return ImapActionResult::Failed;
}
}
} else {
return 0;
return ImapActionResult::Failed;
}
}
self.config.write().await.selected_folder_needs_expunge = false;
@@ -449,7 +453,7 @@ impl Imap {
config.selected_mailbox = Some(mailbox);
}
Err(err) => {
info!(
warn!(
context,
"Cannot select folder: {}; {:?}.",
folder.as_ref(),
@@ -458,7 +462,7 @@ impl Imap {
self.config.write().await.selected_folder = None;
self.should_reconnect.store(true, Ordering::Relaxed);
return 0;
return ImapActionResult::Failed;
}
}
} else {
@@ -466,7 +470,7 @@ impl Imap {
}
}
1
ImapActionResult::Success
}
fn get_config_last_seen_uid<S: AsRef<str>>(&self, context: &Context, folder: S) -> (u32, u32) {
@@ -502,13 +506,13 @@ impl Imap {
return 0;
}
if self.select_folder(context, Some(&folder)).await == 0 {
let res = self.select_folder(context, Some(&folder)).await;
if res == ImapActionResult::Failed || res == ImapActionResult::RetryLater {
info!(
context,
"Cannot select folder \"{}\" for fetching.",
folder.as_ref()
);
return 0;
}
@@ -748,6 +752,9 @@ impl Imap {
pub fn idle(&self, context: &Context) {
task::block_on(async move {
if self.config.read().await.selected_folder.is_none() {
return;
}
if !self.config.read().await.can_idle {
self.fake_idle(context).await;
return;
@@ -756,11 +763,18 @@ impl Imap {
self.setup_handle_if_needed(context);
let watch_folder = self.config.read().await.watch_folder.clone();
if self.select_folder(context, watch_folder.as_ref()).await == 0 {
warn!(context, "IMAP-IDLE not setup.");
match self.select_folder(context, watch_folder.as_ref()).await {
ImapActionResult::Success | ImapActionResult::AlreadyDone => {}
self.fake_idle(context).await;
return;
ImapActionResult::Failed | ImapActionResult::RetryLater => {
warn!(
context,
"idle select_folder failed {:?}",
watch_folder.as_ref()
);
self.fake_idle(context).await;
return;
}
}
let session = self.session.lock().await.take();
@@ -999,14 +1013,16 @@ impl Imap {
return Some(ImapActionResult::RetryLater);
}
}
if self.select_folder(context, Some(&folder)).await == 0 {
warn!(
context,
"Cannot select folder {} for preparing IMAP operation", folder
);
Some(ImapActionResult::RetryLater)
} else {
None
match self.select_folder(context, Some(&folder)).await {
ImapActionResult::Success | ImapActionResult::AlreadyDone => None,
res => {
warn!(
context,
"Cannot select folder {} for preparing IMAP operation", folder
);
Some(res)
}
}
})
}
@@ -1225,26 +1241,34 @@ impl Imap {
task::block_on(async move {
info!(context, "emptying folder {}", folder);
if folder.is_empty() || self.select_folder(context, Some(&folder)).await == 0 {
warn!(context, "Cannot select folder '{}' for emptying", folder);
if !folder.is_empty() {
warn!(context, "cannot perform empty, folder not set");
return;
}
if !self
.add_flag_finalized_with_set(context, SELECT_ALL, "\\Deleted")
.await
{
warn!(context, "Cannot empty folder {}", folder);
} else {
// we now trigger expunge to actually delete messages
self.config.write().await.selected_folder_needs_expunge = true;
if self.select_folder::<String>(context, None).await == 0 {
warn!(
context,
"could not perform expunge on empty-marked folder {}", folder
);
} else {
emit_event!(context, Event::ImapFolderEmptied(folder.to_string()));
match self.select_folder(context, Some(&folder)).await {
ImapActionResult::Success | ImapActionResult::AlreadyDone => {
if !self
.add_flag_finalized_with_set(context, SELECT_ALL, "\\Deleted")
.await
{
warn!(context, "Cannot empty folder {}", folder);
} else {
// we now trigger expunge to actually delete messages
self.config.write().await.selected_folder_needs_expunge = true;
if self.select_folder::<String>(context, None).await
== ImapActionResult::Success
{
emit_event!(context, Event::ImapFolderEmptied(folder.to_string()));
} else {
warn!(
context,
"could not perform expunge on empty-marked folder {}", folder
);
}
}
}
ImapActionResult::Failed | ImapActionResult::RetryLater => {
warn!(context, "could not select folder {}", folder);
}
}
});