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compose: fix reply subject prefixes stripping original prefix 

Unintelligent heuristic but should cover most cases?

Configurable subject response prefix #142
https://git.meli.delivery/meli/meli/issues/142

Closes #142
pull/161/head
Manos Pitsidianakis 2022-10-09 18:31:01 +03:00
parent ffb12c6d1a
commit 16646976d7
3 changed files with 154 additions and 17 deletions
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30
melib/src/thread.rs
View File

@ -179,7 +179,9 @@ macro_rules! make {
/// use melib::thread::SubjectPrefix;
///
/// let mut subject = "Re: RE: Res: Re: Res: Subject";
/// assert_eq!(subject.strip_prefixes_from_list(<&str>::USUAL_PREFIXES), &"Subject");
/// assert_eq!(subject.strip_prefixes_from_list(<&str>::USUAL_PREFIXES, None), &"Subject");
/// let mut subject = "Re: RE: Res: Re: Res: Subject";
/// assert_eq!(subject.strip_prefixes_from_list(<&str>::USUAL_PREFIXES, Some(1)), &"RE: Res: Re: Res: Subject");
/// ```
pub trait SubjectPrefix {
const USUAL_PREFIXES: &'static [&'static str] = &[
@ -279,7 +281,7 @@ pub trait SubjectPrefix {
];
fn is_a_reply(&self) -> bool;
fn strip_prefixes(&mut self) -> &mut Self;
fn strip_prefixes_from_list(&mut self, list: &[&str]) -> &mut Self;
fn strip_prefixes_from_list(&mut self, list: &[&str], times: Option<u8>) -> &mut Self;
}
impl SubjectPrefix for &[u8] {
@ -335,10 +337,10 @@ impl SubjectPrefix for &[u8] {
self
}
fn strip_prefixes_from_list(&mut self, list: &[&str]) -> &mut Self {
fn strip_prefixes_from_list(&mut self, list: &[&str], mut times: Option<u8>) -> &mut Self {
let result = {
let mut slice = self.trim();
loop {
'outer: loop {
let len = slice.len();
for prefix in list.iter() {
if slice
@ -347,10 +349,14 @@ impl SubjectPrefix for &[u8] {
.unwrap_or(false)
{
slice = &slice[prefix.len()..];
slice = slice.trim();
times = times.map(|u| u.saturating_sub(1));
if times == Some(0) {
break 'outer;
}
}
slice = slice.trim();
}
if slice.len() == len {
if slice.len() == len || times == Some(0) {
break;
}
}
@ -408,10 +414,10 @@ impl SubjectPrefix for &str {
self
}
fn strip_prefixes_from_list(&mut self, list: &[&str]) -> &mut Self {
fn strip_prefixes_from_list(&mut self, list: &[&str], mut times: Option<u8>) -> &mut Self {
let result = {
let mut slice = self.trim();
loop {
'outer: loop {
let len = slice.len();
for prefix in list.iter() {
if slice
@ -420,10 +426,14 @@ impl SubjectPrefix for &str {
.unwrap_or(false)
{
slice = &slice[prefix.len()..];
slice = slice.trim();
times = times.map(|u| u.saturating_sub(1));
if times == Some(0) {
break 'outer;
}
}
slice = slice.trim();
}
if slice.len() == len {
if slice.len() == len || times == Some(0) {
break;
}
}

72
src/components/mail/compose.rs
View File

@ -228,21 +228,21 @@ impl Composer {
.as_ref()
.map(|v| v.iter().map(String::as_str).collect::<Vec<&str>>())
.unwrap_or_default();
let subject = subject
.as_ref()
.strip_prefixes_from_list(if prefix_list.is_empty() {
let subject_stripped = subject.as_ref().strip_prefixes_from_list(
if prefix_list.is_empty() {
<&str>::USUAL_PREFIXES
} else {
&prefix_list
})
.to_string();
},
Some(1),
) == &subject.as_ref();
let prefix =
account_settings!(context[ret.account_hash].composing.reply_prefix).as_str();
if !subject.starts_with(prefix) {
if subject_stripped {
format!("{prefix} {subject}", prefix = prefix, subject = subject)
} else {
subject
subject.to_string()
}
};
ret.draft.set_header("Subject", subject);
@ -2390,3 +2390,61 @@ fn attribution_string(
);
melib::datetime::timestamp_to_string(date, Some(fmt.as_str()), posix)
}
#[test]
fn test_compose_reply_subject_prefix() {
let raw_mail = r#"From: "some name" <some@example.com>
To: "me" <myself@example.com>
Cc:
Subject: RE: your e-mail
Message-ID: <h2g7f.z0gy2pgaen5m@example.com>
Content-Type: text/plain
hello world.
"#;
let envelope = Envelope::from_bytes(raw_mail.as_bytes(), None).expect("Could not parse mail");
let mut context = Context::new_mock();
let account_hash = context.accounts[0].hash();
let mailbox_hash = 0;
let envelope_hash = envelope.hash();
context.accounts[0]
.collection
.insert(envelope, mailbox_hash);
let composer = Composer::reply_to(
(account_hash, mailbox_hash, envelope_hash),
String::new(),
&mut context,
false,
);
assert_eq!(&composer.draft.headers()["Subject"], "RE: your e-mail");
assert_eq!(
&composer.draft.headers()["To"],
r#"some name <some@example.com>"#
);
let raw_mail = r#"From: "some name" <some@example.com>
To: "me" <myself@example.com>
Cc:
Subject: your e-mail
Message-ID: <h2g7f.z0gy2pgaen5m@example.com>
Content-Type: text/plain
hello world.
"#;
let envelope = Envelope::from_bytes(raw_mail.as_bytes(), None).expect("Could not parse mail");
let envelope_hash = envelope.hash();
context.accounts[0]
.collection
.insert(envelope, mailbox_hash);
let composer = Composer::reply_to(
(account_hash, mailbox_hash, envelope_hash),
String::new(),
&mut context,
false,
);
assert_eq!(&composer.draft.headers()["Subject"], "Re: your e-mail");
assert_eq!(
&composer.draft.headers()["To"],
r#"some name <some@example.com>"#
);
}

69
src/state.rs
View File

@ -163,6 +163,75 @@ impl Context {
let idx = self.accounts.get_index_of(&account_hash).unwrap();
self.is_online_idx(idx)
}
#[cfg(test)]
pub fn new_mock() -> Self {
let (sender, receiver) =
crossbeam::channel::bounded(32 * ::std::mem::size_of::<ThreadEvent>());
let job_executor = Arc::new(JobExecutor::new(sender.clone()));
let input_thread = unbounded();
let input_thread_pipe = nix::unistd::pipe()
.map_err(|err| Box::new(err) as Box<dyn std::error::Error + Send + Sync + 'static>)
.unwrap();
let backends = Backends::new();
let settings = Box::new(Settings::new().unwrap());
let accounts = vec![{
let name = "test".to_string();
let mut account_conf = AccountConf::default();
account_conf.conf.format = "maildir".to_string();
account_conf.account.format = "maildir".to_string();
account_conf.account.root_mailbox = "/tmp/".to_string();
let sender = sender.clone();
let account_hash = {
use std::collections::hash_map::DefaultHasher;
use std::hash::Hasher;
let mut hasher = DefaultHasher::new();
hasher.write(name.as_bytes());
hasher.finish()
};
Account::new(
account_hash,
name,
account_conf,
&backends,
job_executor.clone(),
sender.clone(),
BackendEventConsumer::new(Arc::new(
move |account_hash: AccountHash, ev: BackendEvent| {
sender
.send(ThreadEvent::UIEvent(UIEvent::BackendEvent(
account_hash,
ev,
)))
.unwrap();
},
)),
)
.unwrap()
}];
let accounts = accounts.into_iter().map(|acc| (acc.hash(), acc)).collect();
let working = Arc::new(());
let control = Arc::downgrade(&working);
Context {
accounts,
settings,
dirty_areas: VecDeque::with_capacity(0),
replies: VecDeque::with_capacity(0),
temp_files: Vec::new(),
job_executor,
children: vec![],
input_thread: InputHandler {
pipe: input_thread_pipe,
rx: input_thread.1,
tx: input_thread.0,
control,
state_tx: sender.clone(),
},
sender,
receiver,
}
}
}
/// A State object to manage and own components and components of the UI. `State` is responsible for