1071 lines
35 KiB
Rust
1071 lines
35 KiB
Rust
/*
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* meli - notmuch backend
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*
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* Copyright 2019 - 2020 Manos Pitsidianakis
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*
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* This file is part of meli.
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*
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* meli is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* meli is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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use crate::backends::*;
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use crate::conf::AccountSettings;
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use crate::email::{Envelope, EnvelopeHash, Flag};
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use crate::error::{MeliError, Result};
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use crate::shellexpand::ShellExpandTrait;
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use smallvec::SmallVec;
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use std::collections::{
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hash_map::{DefaultHasher, HashMap},
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BTreeMap,
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};
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use std::error::Error;
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use std::ffi::{CStr, CString, OsStr};
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use std::hash::{Hash, Hasher};
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use std::io::Read;
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use std::os::unix::ffi::OsStrExt;
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use std::path::{Path, PathBuf};
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use std::sync::{Arc, Mutex, RwLock};
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macro_rules! call {
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($lib:expr, $func:ty) => {{
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let func: libloading::Symbol<$func> = $lib.get(stringify!($func).as_bytes()).unwrap();
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func
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}};
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}
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macro_rules! try_call {
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($lib:expr, $call:expr) => {{
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let status = $call;
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if status == _notmuch_status_NOTMUCH_STATUS_SUCCESS {
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Ok(())
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} else {
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let c_str = call!($lib, notmuch_status_to_string)(status);
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Err(NotmuchError(
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CStr::from_ptr(c_str).to_string_lossy().into_owned(),
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))
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}
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}};
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}
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pub mod bindings;
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use bindings::*;
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mod message;
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pub use message::*;
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mod tags;
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pub use tags::*;
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mod thread;
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pub use thread::*;
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#[derive(Debug)]
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pub struct DbConnection {
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pub lib: Arc<libloading::Library>,
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pub inner: Arc<RwLock<*mut notmuch_database_t>>,
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pub revision_uuid: Arc<RwLock<u64>>,
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pub database_ph: std::marker::PhantomData<&'static mut notmuch_database_t>,
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}
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impl DbConnection {
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pub fn get_revision_uuid(&self) -> u64 {
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unsafe {
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call!(self.lib, notmuch_database_get_revision)(
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*self.inner.read().unwrap(),
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std::ptr::null_mut(),
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)
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}
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}
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fn refresh(
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&mut self,
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mailboxes: Arc<RwLock<HashMap<MailboxHash, NotmuchMailbox>>>,
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index: Arc<RwLock<HashMap<EnvelopeHash, CString>>>,
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mailbox_index: Arc<RwLock<HashMap<EnvelopeHash, SmallVec<[MailboxHash; 16]>>>>,
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tag_index: Arc<RwLock<BTreeMap<u64, String>>>,
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account_hash: AccountHash,
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event_consumer: BackendEventConsumer,
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new_revision_uuid: u64,
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) -> Result<()> {
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use RefreshEventKind::*;
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let query_str = format!(
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"lastmod:{}..{}",
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*self.revision_uuid.read().unwrap(),
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new_revision_uuid
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);
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let query: Query = Query::new(&self, &query_str)?;
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let iter = query.search()?;
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let mailbox_index_lck = mailbox_index.write().unwrap();
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let mailboxes_lck = mailboxes.read().unwrap();
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for message in iter {
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let env_hash = message.env_hash();
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if let Some(mailbox_hashes) = mailbox_index_lck.get(&env_hash) {
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let tags: (Flag, Vec<String>) = message.tags().collect_flags_and_tags();
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let mut tag_lock = tag_index.write().unwrap();
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for tag in tags.1.iter() {
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let mut hasher = DefaultHasher::new();
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hasher.write(tag.as_bytes());
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let num = hasher.finish();
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if !tag_lock.contains_key(&num) {
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tag_lock.insert(num, tag.clone());
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}
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}
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for &mailbox_hash in mailbox_hashes {
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(event_consumer)(
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account_hash,
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BackendEvent::Refresh(RefreshEvent {
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account_hash,
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mailbox_hash,
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kind: NewFlags(env_hash, tags.clone()),
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}),
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);
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}
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} else {
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let message_id = message.msg_id_cstr().to_string_lossy().to_string();
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let env = message.into_envelope(&index, &tag_index);
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for (&mailbox_hash, m) in mailboxes_lck.iter() {
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let query_str = format!("{} id:{}", m.query_str.as_str(), &message_id);
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let query: Query = Query::new(self, &query_str)?;
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if query.count().unwrap_or(0) > 0 {
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let mut total_lck = m.total.lock().unwrap();
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let mut unseen_lck = m.unseen.lock().unwrap();
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*total_lck += 1;
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if !env.is_seen() {
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*unseen_lck += 1;
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}
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(event_consumer)(
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account_hash,
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BackendEvent::Refresh(RefreshEvent {
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account_hash,
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mailbox_hash,
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kind: Create(Box::new(env.clone())),
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}),
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);
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}
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}
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}
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}
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drop(query);
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index.write().unwrap().retain(|&env_hash, msg_id| {
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if Message::find_message(&self, &msg_id).is_err() {
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if let Some(mailbox_hashes) = mailbox_index_lck.get(&env_hash) {
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for &mailbox_hash in mailbox_hashes {
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let m = &mailboxes_lck[&mailbox_hash];
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let mut total_lck = m.total.lock().unwrap();
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*total_lck = total_lck.saturating_sub(1);
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(event_consumer)(
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account_hash,
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BackendEvent::Refresh(RefreshEvent {
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account_hash,
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mailbox_hash,
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kind: Remove(env_hash),
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}),
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);
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}
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}
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false
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} else {
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true
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}
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});
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Ok(())
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}
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}
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unsafe impl Send for DbConnection {}
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unsafe impl Sync for DbConnection {}
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#[derive(Debug)]
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pub struct NotmuchError(String);
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impl std::fmt::Display for NotmuchError {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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std::fmt::Display::fmt(&self.0, f)
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}
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}
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impl Error for NotmuchError {
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fn source(&self) -> Option<&(dyn Error + 'static)> {
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None
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}
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}
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impl Drop for DbConnection {
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fn drop(&mut self) {
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let inner = self.inner.write().unwrap();
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unsafe {
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if let Err(err) = try_call!(self.lib, call!(self.lib, notmuch_database_close)(*inner)) {
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debug!(err);
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return;
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}
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if let Err(err) = try_call!(self.lib, call!(self.lib, notmuch_database_destroy)(*inner))
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{
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debug!(err);
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}
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}
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}
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}
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#[derive(Debug)]
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pub struct NotmuchDb {
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lib: Arc<libloading::Library>,
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revision_uuid: Arc<RwLock<u64>>,
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mailboxes: Arc<RwLock<HashMap<MailboxHash, NotmuchMailbox>>>,
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index: Arc<RwLock<HashMap<EnvelopeHash, CString>>>,
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mailbox_index: Arc<RwLock<HashMap<EnvelopeHash, SmallVec<[MailboxHash; 16]>>>>,
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tag_index: Arc<RwLock<BTreeMap<u64, String>>>,
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path: PathBuf,
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account_name: Arc<String>,
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account_hash: AccountHash,
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event_consumer: BackendEventConsumer,
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save_messages_to: Option<PathBuf>,
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}
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unsafe impl Send for NotmuchDb {}
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unsafe impl Sync for NotmuchDb {}
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#[derive(Debug, Clone, Default)]
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struct NotmuchMailbox {
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hash: MailboxHash,
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children: Vec<MailboxHash>,
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parent: Option<MailboxHash>,
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name: String,
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path: String,
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query_str: String,
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usage: Arc<RwLock<SpecialUsageMailbox>>,
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total: Arc<Mutex<usize>>,
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unseen: Arc<Mutex<usize>>,
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}
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impl BackendMailbox for NotmuchMailbox {
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fn hash(&self) -> MailboxHash {
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self.hash
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}
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fn name(&self) -> &str {
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self.name.as_str()
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}
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fn path(&self) -> &str {
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self.path.as_str()
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}
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fn change_name(&mut self, _s: &str) {}
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fn clone(&self) -> Mailbox {
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Box::new(std::clone::Clone::clone(self))
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}
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fn children(&self) -> &[MailboxHash] {
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&self.children
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}
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fn parent(&self) -> Option<MailboxHash> {
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self.parent
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}
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fn special_usage(&self) -> SpecialUsageMailbox {
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*self.usage.read().unwrap()
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}
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fn permissions(&self) -> MailboxPermissions {
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MailboxPermissions::default()
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}
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fn is_subscribed(&self) -> bool {
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true
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}
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fn set_is_subscribed(&mut self, _new_val: bool) -> Result<()> {
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Ok(())
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}
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fn set_special_usage(&mut self, new_val: SpecialUsageMailbox) -> Result<()> {
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*self.usage.write()? = new_val;
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Ok(())
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}
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fn count(&self) -> Result<(usize, usize)> {
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Ok((*self.unseen.lock()?, *self.total.lock()?))
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}
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}
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unsafe impl Send for NotmuchMailbox {}
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unsafe impl Sync for NotmuchMailbox {}
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impl NotmuchDb {
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pub fn new(
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s: &AccountSettings,
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_is_subscribed: Box<dyn Fn(&str) -> bool>,
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event_consumer: BackendEventConsumer,
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) -> Result<Box<dyn MailBackend>> {
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let lib = Arc::new(libloading::Library::new("libnotmuch.so.5")?);
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let path = Path::new(s.root_mailbox.as_str()).expand();
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if !path.exists() {
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return Err(MeliError::new(format!(
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"\"root_mailbox\" {} for account {} is not a valid path.",
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s.root_mailbox.as_str(),
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s.name()
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)));
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}
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let mut mailboxes = HashMap::default();
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for (k, f) in s.mailboxes.iter() {
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if let Some(query_str) = f.extra.get("query") {
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let hash = {
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let mut h = DefaultHasher::new();
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k.hash(&mut h);
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h.finish()
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};
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mailboxes.insert(
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hash,
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NotmuchMailbox {
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hash,
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name: k.to_string(),
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path: k.to_string(),
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children: vec![],
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parent: None,
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query_str: query_str.to_string(),
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usage: Arc::new(RwLock::new(SpecialUsageMailbox::Normal)),
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total: Arc::new(Mutex::new(0)),
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unseen: Arc::new(Mutex::new(0)),
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},
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);
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} else {
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return Err(MeliError::new(format!(
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"notmuch mailbox configuration entry \"{}\" should have a \"query\" value set.",
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k
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)));
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}
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}
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let account_hash = {
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let mut hasher = DefaultHasher::new();
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hasher.write(s.name().as_bytes());
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hasher.finish()
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};
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Ok(Box::new(NotmuchDb {
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lib,
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revision_uuid: Arc::new(RwLock::new(0)),
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path,
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index: Arc::new(RwLock::new(Default::default())),
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mailbox_index: Arc::new(RwLock::new(Default::default())),
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tag_index: Arc::new(RwLock::new(Default::default())),
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mailboxes: Arc::new(RwLock::new(mailboxes)),
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save_messages_to: None,
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account_name: Arc::new(s.name().to_string()),
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account_hash,
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event_consumer,
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}))
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}
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pub fn validate_config(s: &AccountSettings) -> Result<()> {
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let path = Path::new(s.root_mailbox.as_str()).expand();
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if !path.exists() {
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return Err(MeliError::new(format!(
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"\"root_mailbox\" {} for account {} is not a valid path.",
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s.root_mailbox.as_str(),
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s.name()
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)));
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}
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for (k, f) in s.mailboxes.iter() {
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if f.extra.get("query").is_none() {
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return Err(MeliError::new(format!(
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"notmuch mailbox configuration entry \"{}\" should have a \"query\" value set.",
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k
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)));
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}
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}
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Ok(())
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}
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fn new_connection(
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path: &Path,
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revision_uuid: Arc<RwLock<u64>>,
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lib: Arc<libloading::Library>,
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write: bool,
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) -> Result<DbConnection> {
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let path_c = std::ffi::CString::new(path.to_str().unwrap()).unwrap();
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let path_ptr = path_c.as_ptr();
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let mut database: *mut notmuch_database_t = std::ptr::null_mut();
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let status = unsafe {
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call!(lib, notmuch_database_open)(
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path_ptr,
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if write {
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notmuch_database_mode_t_NOTMUCH_DATABASE_MODE_READ_WRITE
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} else {
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notmuch_database_mode_t_NOTMUCH_DATABASE_MODE_READ_ONLY
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},
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&mut database as *mut _,
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)
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};
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if status != 0 {
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return Err(MeliError::new(format!(
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"Could not open notmuch database at path {}. notmuch_database_open returned {}.",
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path.display(),
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status
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)));
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}
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assert!(!database.is_null());
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let ret = DbConnection {
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lib,
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revision_uuid,
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inner: Arc::new(RwLock::new(database)),
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database_ph: std::marker::PhantomData,
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};
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if *ret.revision_uuid.read().unwrap() == 0 {
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let new = ret.get_revision_uuid();
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*ret.revision_uuid.write().unwrap() = new;
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}
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Ok(ret)
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}
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}
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|
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impl MailBackend for NotmuchDb {
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fn capabilities(&self) -> MailBackendCapabilities {
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const CAPABILITIES: MailBackendCapabilities = MailBackendCapabilities {
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is_async: false,
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is_remote: false,
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supports_search: true,
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extensions: None,
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supports_tags: true,
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supports_submission: false,
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};
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CAPABILITIES
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}
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fn is_online(&self) -> ResultFuture<()> {
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Ok(Box::pin(async { Ok(()) }))
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}
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|
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fn fetch(
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&mut self,
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mailbox_hash: MailboxHash,
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) -> Result<Pin<Box<dyn Stream<Item = Result<Vec<Envelope>>> + Send + 'static>>> {
|
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struct FetchState {
|
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mailbox_hash: MailboxHash,
|
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database: Arc<DbConnection>,
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index: Arc<RwLock<HashMap<EnvelopeHash, CString>>>,
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mailbox_index: Arc<RwLock<HashMap<EnvelopeHash, SmallVec<[MailboxHash; 16]>>>>,
|
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mailboxes: Arc<RwLock<HashMap<u64, NotmuchMailbox>>>,
|
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tag_index: Arc<RwLock<BTreeMap<u64, String>>>,
|
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iter: std::vec::IntoIter<CString>,
|
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}
|
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impl FetchState {
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async fn fetch(&mut self) -> Result<Option<Vec<Envelope>>> {
|
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let mut unseen_count = 0;
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let chunk_size = 250;
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let mut mailbox_index_lck = self.mailbox_index.write().unwrap();
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let mut ret: Vec<Envelope> = Vec::with_capacity(chunk_size);
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let mut done: bool = false;
|
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for _ in 0..chunk_size {
|
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if let Some(message_id) = self.iter.next() {
|
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let message =
|
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if let Ok(v) = Message::find_message(&self.database, &message_id) {
|
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v
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} else {
|
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continue;
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};
|
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let env = message.into_envelope(&self.index, &self.tag_index);
|
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mailbox_index_lck
|
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.entry(env.hash())
|
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.or_default()
|
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.push(self.mailbox_hash);
|
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if !env.is_seen() {
|
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unseen_count += 1;
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}
|
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ret.push(env);
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} else {
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done = true;
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break;
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}
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}
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{
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let mailboxes_lck = self.mailboxes.read().unwrap();
|
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let mailbox = mailboxes_lck.get(&self.mailbox_hash).unwrap();
|
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let mut unseen_lck = mailbox.unseen.lock().unwrap();
|
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*unseen_lck += unseen_count;
|
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}
|
|
if done && ret.is_empty() {
|
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Ok(None)
|
|
} else {
|
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Ok(Some(ret))
|
|
}
|
|
}
|
|
}
|
|
let database = Arc::new(NotmuchDb::new_connection(
|
|
self.path.as_path(),
|
|
self.revision_uuid.clone(),
|
|
self.lib.clone(),
|
|
false,
|
|
)?);
|
|
let index = self.index.clone();
|
|
let mailbox_index = self.mailbox_index.clone();
|
|
let tag_index = self.tag_index.clone();
|
|
let mailboxes = self.mailboxes.clone();
|
|
let v: Vec<CString>;
|
|
{
|
|
let mailboxes_lck = mailboxes.read().unwrap();
|
|
let mailbox = mailboxes_lck.get(&mailbox_hash).unwrap();
|
|
let query: Query = Query::new(&database, mailbox.query_str.as_str())?;
|
|
{
|
|
let mut total_lck = mailbox.total.lock().unwrap();
|
|
let mut unseen_lck = mailbox.unseen.lock().unwrap();
|
|
*total_lck = query.count()? as usize;
|
|
*unseen_lck = 0;
|
|
}
|
|
let mut index_lck = index.write().unwrap();
|
|
v = query
|
|
.search()?
|
|
.into_iter()
|
|
.map(|m| {
|
|
index_lck.insert(m.env_hash(), m.msg_id_cstr().into());
|
|
m.msg_id_cstr().into()
|
|
})
|
|
.collect();
|
|
}
|
|
|
|
let mut state = FetchState {
|
|
mailbox_hash,
|
|
mailboxes,
|
|
database,
|
|
index,
|
|
mailbox_index,
|
|
tag_index,
|
|
iter: v.into_iter(),
|
|
};
|
|
Ok(Box::pin(async_stream::try_stream! {
|
|
while let Some(res) = state.fetch().await.map_err(|err| { debug!("fetch err {:?}", &err); err})? {
|
|
yield res;
|
|
}
|
|
}))
|
|
}
|
|
|
|
fn refresh(&mut self, _mailbox_hash: MailboxHash) -> ResultFuture<()> {
|
|
let account_hash = self.account_hash;
|
|
let mut database = NotmuchDb::new_connection(
|
|
self.path.as_path(),
|
|
self.revision_uuid.clone(),
|
|
self.lib.clone(),
|
|
false,
|
|
)?;
|
|
let mailboxes = self.mailboxes.clone();
|
|
let index = self.index.clone();
|
|
let mailbox_index = self.mailbox_index.clone();
|
|
let tag_index = self.tag_index.clone();
|
|
let event_consumer = self.event_consumer.clone();
|
|
Ok(Box::pin(async move {
|
|
let new_revision_uuid = database.get_revision_uuid();
|
|
if new_revision_uuid > *database.revision_uuid.read().unwrap() {
|
|
database.refresh(
|
|
mailboxes,
|
|
index,
|
|
mailbox_index,
|
|
tag_index,
|
|
account_hash,
|
|
event_consumer,
|
|
new_revision_uuid,
|
|
)?;
|
|
*database.revision_uuid.write().unwrap() = new_revision_uuid;
|
|
}
|
|
Ok(())
|
|
}))
|
|
}
|
|
|
|
fn watch(&self) -> ResultFuture<()> {
|
|
extern crate notify;
|
|
use notify::{watcher, RecursiveMode, Watcher};
|
|
|
|
let account_hash = self.account_hash;
|
|
let lib = self.lib.clone();
|
|
let path = self.path.clone();
|
|
let revision_uuid = self.revision_uuid.clone();
|
|
let mailboxes = self.mailboxes.clone();
|
|
let index = self.index.clone();
|
|
let mailbox_index = self.mailbox_index.clone();
|
|
let tag_index = self.tag_index.clone();
|
|
let event_consumer = self.event_consumer.clone();
|
|
|
|
let (tx, rx) = std::sync::mpsc::channel();
|
|
let mut watcher = watcher(tx, std::time::Duration::from_secs(2)).unwrap();
|
|
watcher.watch(&self.path, RecursiveMode::Recursive).unwrap();
|
|
Ok(Box::pin(async move {
|
|
let _watcher = watcher;
|
|
let rx = rx;
|
|
loop {
|
|
let _ = rx.recv().map_err(|err| err.to_string())?;
|
|
{
|
|
let mut database = NotmuchDb::new_connection(
|
|
path.as_path(),
|
|
revision_uuid.clone(),
|
|
lib.clone(),
|
|
false,
|
|
)?;
|
|
let new_revision_uuid = database.get_revision_uuid();
|
|
if new_revision_uuid > *database.revision_uuid.read().unwrap() {
|
|
database.refresh(
|
|
mailboxes.clone(),
|
|
index.clone(),
|
|
mailbox_index.clone(),
|
|
tag_index.clone(),
|
|
account_hash.clone(),
|
|
event_consumer.clone(),
|
|
new_revision_uuid,
|
|
)?;
|
|
*revision_uuid.write().unwrap() = new_revision_uuid;
|
|
}
|
|
}
|
|
}
|
|
}))
|
|
}
|
|
|
|
fn mailboxes(&self) -> ResultFuture<HashMap<MailboxHash, Mailbox>> {
|
|
let ret = Ok(self
|
|
.mailboxes
|
|
.read()
|
|
.unwrap()
|
|
.iter()
|
|
.map(|(k, f)| (*k, BackendMailbox::clone(f)))
|
|
.collect());
|
|
Ok(Box::pin(async { ret }))
|
|
}
|
|
|
|
fn operation(&self, hash: EnvelopeHash) -> Result<Box<dyn BackendOp>> {
|
|
Ok(Box::new(NotmuchOp {
|
|
database: Arc::new(Self::new_connection(
|
|
self.path.as_path(),
|
|
self.revision_uuid.clone(),
|
|
self.lib.clone(),
|
|
true,
|
|
)?),
|
|
lib: self.lib.clone(),
|
|
hash,
|
|
index: self.index.clone(),
|
|
bytes: None,
|
|
tag_index: self.tag_index.clone(),
|
|
}))
|
|
}
|
|
|
|
fn save(
|
|
&self,
|
|
bytes: Vec<u8>,
|
|
_mailbox_hash: MailboxHash,
|
|
flags: Option<Flag>,
|
|
) -> ResultFuture<()> {
|
|
// FIXME call notmuch_database_index_file ?
|
|
let path = self
|
|
.save_messages_to
|
|
.as_ref()
|
|
.unwrap_or(&self.path)
|
|
.to_path_buf();
|
|
MaildirType::save_to_mailbox(path, bytes, flags)?;
|
|
Ok(Box::pin(async { Ok(()) }))
|
|
}
|
|
|
|
fn copy_messages(
|
|
&mut self,
|
|
_env_hashes: EnvelopeHashBatch,
|
|
_source_mailbox_hash: MailboxHash,
|
|
_destination_mailbox_hash: MailboxHash,
|
|
_move_: bool,
|
|
) -> ResultFuture<()> {
|
|
Err(MeliError::new("Unimplemented."))
|
|
}
|
|
|
|
fn set_flags(
|
|
&mut self,
|
|
env_hashes: EnvelopeHashBatch,
|
|
_mailbox_hash: MailboxHash,
|
|
flags: SmallVec<[(std::result::Result<Flag, String>, bool); 8]>,
|
|
) -> ResultFuture<()> {
|
|
let database = Self::new_connection(
|
|
self.path.as_path(),
|
|
self.revision_uuid.clone(),
|
|
self.lib.clone(),
|
|
true,
|
|
)?;
|
|
let tag_index = self.tag_index.clone();
|
|
let index = self.index.clone();
|
|
|
|
Ok(Box::pin(async move {
|
|
let mut index_lck = index.write().unwrap();
|
|
for env_hash in env_hashes.iter() {
|
|
debug!(&env_hash);
|
|
let message = match Message::find_message(&database, &index_lck[&env_hash]) {
|
|
Ok(v) => v,
|
|
Err(err) => {
|
|
debug!("not found {}", err);
|
|
continue;
|
|
}
|
|
};
|
|
|
|
let tags = debug!(message.tags().collect::<Vec<&CStr>>());
|
|
//flags.set(f, value);
|
|
|
|
macro_rules! cstr {
|
|
($l:literal) => {
|
|
&CStr::from_bytes_with_nul_unchecked($l)
|
|
};
|
|
}
|
|
macro_rules! add_tag {
|
|
($l:literal) => {{
|
|
add_tag!(unsafe { cstr!($l) })
|
|
}};
|
|
($l:expr) => {{
|
|
let l = $l;
|
|
if tags.contains(l) {
|
|
continue;
|
|
}
|
|
message.add_tag(l)?;
|
|
}};
|
|
}
|
|
macro_rules! remove_tag {
|
|
($l:literal) => {{
|
|
remove_tag!(unsafe { cstr!($l) })
|
|
}};
|
|
($l:expr) => {{
|
|
let l = $l;
|
|
if !tags.contains(l) {
|
|
continue;
|
|
}
|
|
message.remove_tag(l)?;
|
|
}};
|
|
}
|
|
|
|
for (f, v) in flags.iter() {
|
|
let value = *v;
|
|
debug!(&f);
|
|
debug!(&value);
|
|
match f {
|
|
Ok(Flag::DRAFT) if value => add_tag!(b"draft\0"),
|
|
Ok(Flag::DRAFT) => remove_tag!(b"draft\0"),
|
|
Ok(Flag::FLAGGED) if value => add_tag!(b"flagged\0"),
|
|
Ok(Flag::FLAGGED) => remove_tag!(b"flagged\0"),
|
|
Ok(Flag::PASSED) if value => add_tag!(b"passed\0"),
|
|
Ok(Flag::PASSED) => remove_tag!(b"passed\0"),
|
|
Ok(Flag::REPLIED) if value => add_tag!(b"replied\0"),
|
|
Ok(Flag::REPLIED) => remove_tag!(b"replied\0"),
|
|
Ok(Flag::SEEN) if value => remove_tag!(b"unread\0"),
|
|
Ok(Flag::SEEN) => add_tag!(b"unread\0"),
|
|
Ok(Flag::TRASHED) if value => add_tag!(b"trashed\0"),
|
|
Ok(Flag::TRASHED) => remove_tag!(b"trashed\0"),
|
|
Ok(_) => debug!("flags is {:?} value = {}", f, value),
|
|
Err(tag) if value => {
|
|
let c_tag = CString::new(tag.as_str()).unwrap();
|
|
add_tag!(&c_tag.as_ref());
|
|
}
|
|
Err(tag) => {
|
|
let c_tag = CString::new(tag.as_str()).unwrap();
|
|
add_tag!(&c_tag.as_ref());
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Update message filesystem path. */
|
|
message.tags_to_maildir_flags()?;
|
|
|
|
let msg_id = message.msg_id_cstr();
|
|
if let Some(p) = index_lck.get_mut(&env_hash) {
|
|
*p = msg_id.into();
|
|
}
|
|
}
|
|
for (f, v) in flags.iter() {
|
|
if let (Err(tag), true) = (f, v) {
|
|
let hash = tag_hash!(tag);
|
|
tag_index.write().unwrap().insert(hash, tag.to_string());
|
|
}
|
|
}
|
|
|
|
Ok(())
|
|
}))
|
|
}
|
|
|
|
fn delete_messages(
|
|
&mut self,
|
|
_env_hashes: EnvelopeHashBatch,
|
|
_mailbox_hash: MailboxHash,
|
|
) -> ResultFuture<()> {
|
|
Err(MeliError::new("Unimplemented."))
|
|
}
|
|
|
|
fn search(
|
|
&self,
|
|
melib_query: crate::search::Query,
|
|
mailbox_hash: Option<MailboxHash>,
|
|
) -> ResultFuture<SmallVec<[EnvelopeHash; 512]>> {
|
|
let database = NotmuchDb::new_connection(
|
|
self.path.as_path(),
|
|
self.revision_uuid.clone(),
|
|
self.lib.clone(),
|
|
false,
|
|
)?;
|
|
let mailboxes = self.mailboxes.clone();
|
|
Ok(Box::pin(async move {
|
|
let mut ret = SmallVec::new();
|
|
let mut query_s = if let Some(mailbox_hash) = mailbox_hash {
|
|
if let Some(m) = mailboxes.read().unwrap().get(&mailbox_hash) {
|
|
let mut s = m.query_str.clone();
|
|
s.push(' ');
|
|
s
|
|
} else {
|
|
return Err(MeliError::new("Mailbox with hash {} not found!")
|
|
.set_kind(crate::error::ErrorKind::Bug));
|
|
}
|
|
} else {
|
|
String::new()
|
|
};
|
|
melib_query.query_to_string(&mut query_s);
|
|
let query: Query = Query::new(&database, &query_s)?;
|
|
let iter = query.search()?;
|
|
for message in iter {
|
|
ret.push(message.env_hash());
|
|
}
|
|
|
|
Ok(ret)
|
|
}))
|
|
}
|
|
|
|
fn tags(&self) -> Option<Arc<RwLock<BTreeMap<u64, String>>>> {
|
|
Some(self.tag_index.clone())
|
|
}
|
|
|
|
fn as_any(&self) -> &dyn Any {
|
|
self
|
|
}
|
|
|
|
fn as_any_mut(&mut self) -> &mut dyn Any {
|
|
self
|
|
}
|
|
}
|
|
|
|
#[derive(Debug)]
|
|
struct NotmuchOp {
|
|
hash: EnvelopeHash,
|
|
index: Arc<RwLock<HashMap<EnvelopeHash, CString>>>,
|
|
tag_index: Arc<RwLock<BTreeMap<u64, String>>>,
|
|
database: Arc<DbConnection>,
|
|
bytes: Option<Vec<u8>>,
|
|
lib: Arc<libloading::Library>,
|
|
}
|
|
|
|
impl BackendOp for NotmuchOp {
|
|
fn as_bytes(&mut self) -> ResultFuture<Vec<u8>> {
|
|
let index_lck = self.index.write().unwrap();
|
|
let message = Message::find_message(&self.database, &index_lck[&self.hash])?;
|
|
let mut f = std::fs::File::open(message.get_filename())?;
|
|
let mut response = Vec::new();
|
|
f.read_to_end(&mut response)?;
|
|
self.bytes = Some(response);
|
|
let ret = Ok(self.bytes.as_ref().unwrap().to_vec());
|
|
Ok(Box::pin(async move { ret }))
|
|
}
|
|
|
|
fn fetch_flags(&self) -> ResultFuture<Flag> {
|
|
let index_lck = self.index.write().unwrap();
|
|
let message = Message::find_message(&self.database, &index_lck[&self.hash])?;
|
|
let (flags, _tags) = message.tags().collect_flags_and_tags();
|
|
Ok(Box::pin(async move { Ok(flags) }))
|
|
}
|
|
}
|
|
|
|
pub struct Query<'s> {
|
|
lib: Arc<libloading::Library>,
|
|
ptr: *mut notmuch_query_t,
|
|
query_str: &'s str,
|
|
}
|
|
|
|
impl<'s> Query<'s> {
|
|
fn new(database: &DbConnection, query_str: &'s str) -> Result<Self> {
|
|
let lib: Arc<libloading::Library> = database.lib.clone();
|
|
let query_cstr = std::ffi::CString::new(query_str)?;
|
|
let query: *mut notmuch_query_t = unsafe {
|
|
call!(lib, notmuch_query_create)(*database.inner.read().unwrap(), query_cstr.as_ptr())
|
|
};
|
|
if query.is_null() {
|
|
return Err(MeliError::new("Could not create query. Out of memory?"));
|
|
}
|
|
Ok(Query {
|
|
lib,
|
|
ptr: query,
|
|
query_str,
|
|
})
|
|
}
|
|
|
|
fn count(&self) -> Result<u32> {
|
|
let mut count = 0_u32;
|
|
unsafe {
|
|
try_call!(
|
|
self.lib,
|
|
call!(self.lib, notmuch_query_count_messages)(self.ptr, &mut count as *mut _)
|
|
)
|
|
.map_err(|err| err.0)?;
|
|
}
|
|
Ok(count)
|
|
}
|
|
|
|
fn search(&'s self) -> Result<MessageIterator<'s>> {
|
|
let mut messages: *mut notmuch_messages_t = std::ptr::null_mut();
|
|
let status = unsafe {
|
|
call!(self.lib, notmuch_query_search_messages)(self.ptr, &mut messages as *mut _)
|
|
};
|
|
if status != 0 {
|
|
return Err(MeliError::new(format!(
|
|
"Search for {} returned {}",
|
|
self.query_str, status,
|
|
)));
|
|
}
|
|
assert!(!messages.is_null());
|
|
Ok(MessageIterator {
|
|
messages,
|
|
lib: self.lib.clone(),
|
|
_ph: std::marker::PhantomData,
|
|
is_from_thread: false,
|
|
})
|
|
}
|
|
}
|
|
|
|
impl Drop for Query<'_> {
|
|
fn drop(&mut self) {
|
|
unsafe {
|
|
call!(self.lib, notmuch_query_destroy)(self.ptr);
|
|
}
|
|
}
|
|
}
|
|
|
|
pub trait MelibQueryToNotmuchQuery {
|
|
fn query_to_string(&self, ret: &mut String);
|
|
}
|
|
|
|
impl MelibQueryToNotmuchQuery for crate::search::Query {
|
|
fn query_to_string(&self, ret: &mut String) {
|
|
use crate::search::Query::*;
|
|
match self {
|
|
Before(timestamp) => {
|
|
ret.push_str("date:..@");
|
|
ret.push_str(×tamp.to_string());
|
|
}
|
|
After(timestamp) => {
|
|
ret.push_str("date:@");
|
|
ret.push_str(×tamp.to_string());
|
|
ret.push_str("..");
|
|
}
|
|
Between(a, b) => {
|
|
ret.push_str("date:@");
|
|
ret.push_str(&a.to_string());
|
|
ret.push_str("..@");
|
|
ret.push_str(&b.to_string());
|
|
}
|
|
On(timestamp) => {
|
|
ret.push_str("date:@");
|
|
ret.push_str(×tamp.to_string());
|
|
}
|
|
/* * * * */
|
|
From(s) => {
|
|
ret.push_str("from:\"");
|
|
for c in s.chars() {
|
|
if c == '"' {
|
|
ret.push_str("\\\"");
|
|
} else {
|
|
ret.push(c);
|
|
}
|
|
}
|
|
ret.push_str("\"");
|
|
}
|
|
To(s) | Cc(s) | Bcc(s) => {
|
|
ret.push_str("to:\"");
|
|
for c in s.chars() {
|
|
if c == '"' {
|
|
ret.push_str("\\\"");
|
|
} else {
|
|
ret.push(c);
|
|
}
|
|
}
|
|
ret.push_str("\"");
|
|
}
|
|
InReplyTo(_s) | References(_s) | AllAddresses(_s) => {}
|
|
/* * * * */
|
|
Body(s) => {
|
|
ret.push_str("body:\"");
|
|
for c in s.chars() {
|
|
if c == '"' {
|
|
ret.push_str("\\\"");
|
|
} else {
|
|
ret.push(c);
|
|
}
|
|
}
|
|
ret.push_str("\"");
|
|
}
|
|
Subject(s) => {
|
|
ret.push_str("subject:\"");
|
|
for c in s.chars() {
|
|
if c == '"' {
|
|
ret.push_str("\\\"");
|
|
} else {
|
|
ret.push(c);
|
|
}
|
|
}
|
|
ret.push_str("\"");
|
|
}
|
|
AllText(s) => {
|
|
ret.push_str("\"");
|
|
for c in s.chars() {
|
|
if c == '"' {
|
|
ret.push_str("\\\"");
|
|
} else {
|
|
ret.push(c);
|
|
}
|
|
}
|
|
ret.push_str("\"");
|
|
}
|
|
/* * * * */
|
|
Flags(v) => {
|
|
for f in v {
|
|
ret.push_str("tag:\"");
|
|
for c in f.chars() {
|
|
if c == '"' {
|
|
ret.push_str("\\\"");
|
|
} else {
|
|
ret.push(c);
|
|
}
|
|
}
|
|
ret.push_str("\" ");
|
|
}
|
|
if !v.is_empty() {
|
|
ret.pop();
|
|
}
|
|
}
|
|
HasAttachment => {
|
|
ret.push_str("tag:attachment");
|
|
}
|
|
And(q1, q2) => {
|
|
ret.push_str("(");
|
|
q1.query_to_string(ret);
|
|
ret.push_str(") AND (");
|
|
q2.query_to_string(ret);
|
|
ret.push_str(")");
|
|
}
|
|
Or(q1, q2) => {
|
|
ret.push_str("(");
|
|
q1.query_to_string(ret);
|
|
ret.push_str(") OR (");
|
|
q2.query_to_string(ret);
|
|
ret.push_str(")");
|
|
}
|
|
Not(q) => {
|
|
ret.push_str("(NOT (");
|
|
q.query_to_string(ret);
|
|
ret.push_str("))");
|
|
}
|
|
}
|
|
}
|
|
}
|