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deindent/cleanup set_mdnsent and delete_msg return code handling

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holger krekel
2019-08-20 09:26:57 +02:00
parent e319f51342
commit 9633f251e0
1 changed files with 27 additions and 32 deletions
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59
src/imap.rs
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@@ -1306,13 +1306,12 @@ impl Imap {
}
pub fn set_mdnsent<S: AsRef<str>>(&self, context: &Context, folder: S, uid: u32) -> ImapResult {
let set = format!("{}", uid);
if uid == 0 {
return ImapResult::Failed;
}
let mut res = ImapResult::RetryLater;
if self.is_connected() {
if !self.is_connected() {
return ImapResult::RetryLater;
}
info!(
context,
0,
@@ -1328,7 +1327,8 @@ impl Imap {
"Cannot select folder {} for setting $MDNSent flag.",
folder.as_ref()
);
} else {
return ImapResult::Failed;
}
// Check if the folder can handle the `$MDNSent` flag (see RFC 3503). If so, and not
// set: set the flags and return this information.
// If the folder cannot handle the `$MDNSent` flag, we risk duplicated MDNs; it's up
@@ -1354,22 +1354,30 @@ impl Imap {
})
.expect("just selected folder");
if can_create_flag {
if !can_create_flag {
info!(
context,
0, "Cannot store $MDNSent flags, ignoring to prevent duplicate MDN.",
);
return ImapResult::Success;
}
let set = format!("{}", uid);
let fetched_msgs =
if let Some(ref mut session) = &mut *self.session.lock().unwrap() {
match session.uid_fetch(set, FETCH_FLAGS) {
Ok(res) => Some(res),
Ok(res) => res,
Err(err) => {
eprintln!("fetch error: {:?}", err);
None
return ImapResult::Failed
}
}
} else {
unreachable!();
};
if let Some(msgs) = fetched_msgs {
let flag_set = msgs
let flag_set = fetched_msgs
.first()
.map(|msg| {
msg.flags()
@@ -1384,26 +1392,15 @@ impl Imap {
if flag_set {
info!(context, 0, "$MDNSent already set and MDN already sent.");
res = ImapResult::AlreadyDone;
ImapResult::AlreadyDone
} else if self.add_flag(context, uid, "$MDNSent") {
info!(context, 0, "$MDNSent just set and MDN will be sent.");
res = ImapResult::Success;
ImapResult::Success
} else if self.should_reconnect() {
res = ImapResult::RetryLater;
ImapResult::RetryLater
} else {
res = ImapResult::Failed;
ImapResult::Failed
}
}
} else {
info!(
context,
0, "Cannot store $MDNSent flags, ignoring to prevent duplicate MDN.",
);
res = ImapResult::Success;
}
}
}
res
}
pub fn delete_msg<S1: AsRef<str>, S2: AsRef<str>>(
@@ -1437,7 +1434,6 @@ impl Imap {
);
return ImapResult::RetryLater;
}
{
let set = format!("{}", server_uid);
if let Some(ref mut session) = &mut *self.session.lock().unwrap() {
match session.uid_fetch(set, PREFETCH_FLAGS) {
@@ -1465,14 +1461,13 @@ impl Imap {
}
}
Err(err) => {
eprintln!("fetch error: {:?}", err);
warn!(
context,
0,
"Cannot delete on IMAP, {}/{} not found.",
"Cannot delete on IMAP, {}/{}, fetch error {:?}.",
folder.as_ref(),
server_uid,
err
);
*server_uid = 0;
return ImapResult::Failed;
@@ -1482,12 +1477,12 @@ impl Imap {
// mark the message for deletion
if !self.add_flag(context, *server_uid, "\\Deleted") {
warn!(context, 0, "Cannot mark message as \"Deleted\".");
return ImapResult::Failed;
*server_uid = 0;
ImapResult::Failed
} else {
self.config.write().unwrap().selected_folder_needs_expunge = true;
return ImapResult::Success;
ImapResult::Success
}
}
}
pub fn configure_folders(&self, context: &Context, flags: libc::c_int) {