meli/melib/src/backends/jmap/operations.rs

92 lines
2.7 KiB
Rust

/*
* meli - jmap module.
*
* Copyright 2017 - 2019 Manos Pitsidianakis
*
* This file is part of meli.
*
* meli is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* meli is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with meli. If not, see <http://www.gnu.org/licenses/>.
*/
use super::*;
use std::sync::{Arc, RwLock};
/// `BackendOp` implementor for Imap
#[derive(Debug, Clone)]
pub struct JmapOp {
hash: EnvelopeHash,
connection: Arc<FutureMutex<JmapConnection>>,
store: Arc<RwLock<Store>>,
}
impl JmapOp {
pub fn new(
hash: EnvelopeHash,
connection: Arc<FutureMutex<JmapConnection>>,
store: Arc<RwLock<Store>>,
) -> Self {
JmapOp {
hash,
connection,
store,
}
}
}
impl BackendOp for JmapOp {
fn as_bytes(&mut self) -> ResultFuture<Vec<u8>> {
{
let store_lck = self.store.read().unwrap();
if store_lck.byte_cache.contains_key(&self.hash)
&& store_lck.byte_cache[&self.hash].bytes.is_some()
{
let ret = store_lck.byte_cache[&self.hash].bytes.clone().unwrap();
return Ok(Box::pin(async move { Ok(ret.into_bytes()) }));
}
}
let store = self.store.clone();
let hash = self.hash;
let connection = self.connection.clone();
Ok(Box::pin(async move {
let blob_id = store.read().unwrap().blob_id_store[&hash].clone();
let mut conn = connection.lock().await;
conn.connect().await?;
let mut res = conn
.client
.get_async(&download_request_format(
&conn.session,
conn.mail_account_id(),
&blob_id,
None,
))
.await?;
let res_text = res.text_async().await?;
store
.write()
.unwrap()
.byte_cache
.entry(hash)
.or_default()
.bytes = Some(res_text.clone());
Ok(res_text.into_bytes())
}))
}
fn fetch_flags(&self) -> ResultFuture<Flag> {
Ok(Box::pin(async { Ok(Flag::default()) }))
}
}