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use super::*;
use crate::backends::*;
use crate::email::*;
use crate::error::MeliError;
use std::sync::Arc;
#[derive(Debug, Clone)]
pub struct NntpOp {
uid: usize,
mailbox_hash: MailboxHash,
connection: Arc<FutureMutex<NntpConnection>>,
uid_store: Arc<UIDStore>,
}
impl NntpOp {
pub fn new(
uid: usize,
mailbox_hash: MailboxHash,
connection: Arc<FutureMutex<NntpConnection>>,
uid_store: Arc<UIDStore>,
) -> Self {
NntpOp {
uid,
connection,
mailbox_hash,
uid_store,
}
}
}
impl BackendOp for NntpOp {
fn as_bytes(&mut self) -> ResultFuture<Vec<u8>> {
let mailbox_hash = self.mailbox_hash;
let uid = self.uid;
let uid_store = self.uid_store.clone();
let connection = self.connection.clone();
Ok(Box::pin(async move {
let mut res = String::with_capacity(8 * 1024);
let mut conn = connection.lock().await;
let path = uid_store.mailboxes.lock().await[&mailbox_hash]
.name()
.to_string();
conn.send_command(format!("GROUP {}", path).as_bytes())
.await?;
conn.read_response(&mut res, false, &["211 "]).await?;
if !res.starts_with("211 ") {
return Err(MeliError::new(format!(
"{} Could not select newsgroup {}: expected GROUP response but got: {}",
&uid_store.account_name, path, res
)));
}
conn.send_command(format!("ARTICLE {}", uid).as_bytes())
.await?;
conn.read_response(&mut res, true, &["220 "]).await?;
if !res.starts_with("220 ") {
return Err(MeliError::new(format!(
"{} Could not select article {}: expected ARTICLE response but got: {}",
&uid_store.account_name, path, res
)));
}
let pos = res.find("\r\n").unwrap_or(0) + 2;
Ok(res.as_bytes()[pos..].to_vec())
}))
}
fn fetch_flags(&self) -> ResultFuture<Flag> {
Ok(Box::pin(async move { Ok(Flag::default()) }))
}
}