700 lines
24 KiB
Rust
700 lines
24 KiB
Rust
/*
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* meli - accounts module.
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*
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* Copyright 2017 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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/*!
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* Account management from user configuration.
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*/
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use super::AccountConf;
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use fnv::FnvHashMap;
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use melib::async_workers::{Async, AsyncBuilder, AsyncStatus};
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use melib::backends::{
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BackendOp, Backends, Folder, FolderHash, FolderOperation, MailBackend, NotifyFn, ReadOnlyOp,
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RefreshEvent, RefreshEventConsumer, RefreshEventKind, SpecialUseMailbox,
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};
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use melib::error::{MeliError, Result};
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use melib::mailbox::*;
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use melib::thread::{ThreadHash, ThreadNode, Threads};
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use melib::AddressBook;
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use melib::StackVec;
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use crate::types::UIEvent::{self, EnvelopeRemove, EnvelopeRename, EnvelopeUpdate, Notification};
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use std::collections::VecDeque;
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use std::fs;
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use std::io;
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use std::ops::{Index, IndexMut};
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use std::result;
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use std::sync::Arc;
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pub type Worker = Option<Async<Result<Vec<Envelope>>>>;
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macro_rules! mailbox {
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($idx:expr, $folders:expr) => {
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$folders.get_mut(&$idx).unwrap().unwrap_mut()
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};
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}
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#[derive(Serialize, Debug)]
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pub enum MailboxEntry {
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Available(Mailbox),
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Failed(MeliError),
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/// first argument is done work, and second is total work
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Parsing(Mailbox, usize, usize),
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}
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impl Default for MailboxEntry {
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fn default() -> Self {
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MailboxEntry::Parsing(Mailbox::default(), 0, 0)
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}
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}
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impl std::fmt::Display for MailboxEntry {
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fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
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write!(
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f,
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"{}",
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match self {
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MailboxEntry::Available(ref m) => m.name().to_string(),
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MailboxEntry::Failed(ref e) => e.to_string(),
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MailboxEntry::Parsing(_, done, total) => {
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format!("Parsing messages. [{}/{}]", done, total)
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}
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}
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)
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}
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}
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impl MailboxEntry {
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pub fn is_available(&self) -> bool {
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if let MailboxEntry::Available(_) = self {
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true
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} else {
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false
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}
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}
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pub fn is_parsing(&self) -> bool {
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if let MailboxEntry::Parsing(_, _, _) = self {
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true
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} else {
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false
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}
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}
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pub fn unwrap_mut(&mut self) -> &mut Mailbox {
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match self {
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MailboxEntry::Available(ref mut m) => m,
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MailboxEntry::Parsing(ref mut m, _, _) => m,
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e => panic!(format!("mailbox is not available! {:#}", e)),
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}
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}
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pub fn unwrap(&self) -> &Mailbox {
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match self {
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MailboxEntry::Available(ref m) => m,
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MailboxEntry::Parsing(ref m, _, _) => m,
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e => panic!(format!("mailbox is not available! {:#}", e)),
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}
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}
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}
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#[derive(Debug)]
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pub struct Account {
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name: String,
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pub(crate) folders: FnvHashMap<FolderHash, MailboxEntry>,
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pub(crate) folders_order: Vec<FolderHash>,
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folder_names: FnvHashMap<FolderHash, String>,
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tree: Vec<FolderNode>,
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sent_folder: Option<FolderHash>,
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pub(crate) collection: Collection,
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pub(crate) address_book: AddressBook,
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pub(crate) workers: FnvHashMap<FolderHash, Worker>,
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pub(crate) settings: AccountConf,
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pub(crate) runtime_settings: AccountConf,
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pub(crate) backend: Box<dyn MailBackend>,
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event_queue: VecDeque<(FolderHash, RefreshEvent)>,
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notify_fn: Arc<NotifyFn>,
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}
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impl Drop for Account {
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fn drop(&mut self) {
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//TODO: Avoid panics
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let data_dir = xdg::BaseDirectories::with_profile("meli", &self.name).unwrap();
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if let Ok(data) = data_dir.place_data_file("addressbook") {
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/* place result in cache directory */
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let f = match fs::File::create(data) {
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Ok(f) => f,
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Err(e) => {
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panic!("{}", e);
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}
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};
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let writer = io::BufWriter::new(f);
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serde_json::to_writer(writer, &self.address_book).unwrap();
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};
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if let Ok(data) = data_dir.place_data_file("mailbox") {
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/* place result in cache directory */
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let f = match fs::File::create(data) {
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Ok(f) => f,
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Err(e) => {
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panic!("{}", e);
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}
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};
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let writer = io::BufWriter::new(f);
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bincode::serialize_into(writer, &self.folders).unwrap();
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};
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}
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}
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pub struct MailboxIterator<'a> {
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folders_order: &'a [FolderHash],
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folders: &'a FnvHashMap<FolderHash, MailboxEntry>,
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pos: usize,
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}
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impl<'a> Iterator for MailboxIterator<'a> {
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type Item = &'a MailboxEntry;
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fn next(&mut self) -> Option<&'a MailboxEntry> {
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if self.pos == self.folders.len() {
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return None;
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}
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let fh = &self.folders_order[self.pos];
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self.pos += 1;
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Some(&self.folders[&fh])
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}
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}
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#[derive(Serialize, Debug, Default)]
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struct FolderNode {
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hash: FolderHash,
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kids: Vec<FolderNode>,
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}
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impl Account {
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pub fn new(name: String, settings: AccountConf, map: &Backends, notify_fn: NotifyFn) -> Self {
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let s = settings.clone();
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let mut backend = map.get(settings.account().format())(
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settings.account(),
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Box::new(move |path: &str| {
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s.folder_confs.contains_key(path) && s.folder_confs[path].subscribe.is_true()
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}),
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);
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let mut ref_folders: FnvHashMap<FolderHash, Folder> = backend.folders();
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let mut folders: FnvHashMap<FolderHash, MailboxEntry> =
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FnvHashMap::with_capacity_and_hasher(ref_folders.len(), Default::default());
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let mut folders_order: Vec<FolderHash> = Vec::with_capacity(ref_folders.len());
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let mut workers: FnvHashMap<FolderHash, Worker> = FnvHashMap::default();
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let notify_fn = Arc::new(notify_fn);
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let mut folder_names = FnvHashMap::default();
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let mut sent_folder = None;
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for f in ref_folders.values_mut() {
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if !settings.folder_confs.contains_key(f.path())
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|| settings.folder_confs[f.path()].subscribe.is_false()
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{
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/* Skip unsubscribed folder */
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continue;
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}
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match settings.folder_confs[f.path()].usage {
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Some(SpecialUseMailbox::Sent) => {
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sent_folder = Some(f.hash());
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}
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_ => {}
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}
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folder_names.insert(f.hash(), f.path().to_string());
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}
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let mut stack: StackVec<FolderHash> = StackVec::new();
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let mut tree: Vec<FolderNode> = Vec::new();
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let mut collection: Collection = Collection::new(Default::default());
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for (h, f) in ref_folders.iter() {
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if !settings.folder_confs.contains_key(f.path())
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|| settings.folder_confs[f.path()].subscribe.is_false()
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{
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/* Skip unsubscribed folder */
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continue;
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}
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if f.parent().is_none() {
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fn rec(h: FolderHash, ref_folders: &FnvHashMap<FolderHash, Folder>) -> FolderNode {
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let mut node = FolderNode {
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hash: h,
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kids: Vec::new(),
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};
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for &c in ref_folders[&h].children() {
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node.kids.push(rec(c, ref_folders));
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}
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node
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};
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tree.push(rec(*h, &ref_folders));
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for &c in f.children() {
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stack.push(c);
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}
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while let Some(next) = stack.pop() {
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for c in ref_folders[&next].children() {
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stack.push(*c);
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}
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}
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}
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folders.insert(
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*h,
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MailboxEntry::Parsing(Mailbox::new(f.clone(), &FnvHashMap::default()), 0, 0),
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);
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workers.insert(
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*h,
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Account::new_worker(f.clone(), &mut backend, notify_fn.clone()),
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);
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collection.threads.insert(*h, Threads::default());
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}
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tree.sort_unstable_by_key(|f| ref_folders[&f.hash].path());
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let mut stack: StackVec<Option<&FolderNode>> = StackVec::new();
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for n in tree.iter_mut() {
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folders_order.push(n.hash);
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n.kids.sort_unstable_by_key(|f| ref_folders[&f.hash].path());
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stack.extend(n.kids.iter().rev().map(Some));
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while let Some(Some(next)) = stack.pop() {
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folders_order.push(next.hash);
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stack.extend(next.kids.iter().rev().map(Some));
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}
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}
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let data_dir = xdg::BaseDirectories::with_profile("meli", &name).unwrap();
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let address_book = if let Ok(data) = data_dir.place_data_file("addressbook") {
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if data.exists() {
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let reader = io::BufReader::new(fs::File::open(data).unwrap());
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let result: result::Result<AddressBook, _> = serde_json::from_reader(reader);
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if let Ok(data_t) = result {
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data_t
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} else {
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AddressBook::new(name.clone())
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}
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} else {
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AddressBook::new(name.clone())
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}
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} else {
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AddressBook::new(name.clone())
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};
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Account {
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name,
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folders,
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folders_order,
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folder_names,
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tree,
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address_book,
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sent_folder,
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collection,
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workers,
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settings: settings.clone(),
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runtime_settings: settings,
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backend,
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notify_fn,
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event_queue: VecDeque::with_capacity(8),
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}
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}
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fn new_worker(
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folder: Folder,
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backend: &mut Box<MailBackend>,
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notify_fn: Arc<NotifyFn>,
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) -> Worker {
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let mailbox_handle = backend.get(&folder);
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let mut builder = AsyncBuilder::new();
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let our_tx = builder.tx();
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let folder_hash = folder.hash();
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let w = builder.build(Box::new(move || {
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let mut mailbox_handle = mailbox_handle.clone();
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let work = mailbox_handle.work().unwrap();
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debug!("AA");
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std::thread::Builder::new()
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.spawn(move || {
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debug!("A");
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work.compute();
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debug!("B");
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})
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.unwrap();
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debug!("BB");
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loop {
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debug!("LL");
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match debug!(mailbox_handle.poll_block()) {
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Ok(s @ AsyncStatus::Payload(_)) => {
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our_tx.send(s);
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debug!("notifying for {}", folder_hash);
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notify_fn.notify(folder_hash);
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}
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Ok(s @ AsyncStatus::Finished) => {
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our_tx.send(s);
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notify_fn.notify(folder_hash);
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debug!("exiting");
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return;
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}
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Ok(s) => {
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our_tx.send(s);
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}
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Err(_) => {
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debug!("poll error");
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return;
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}
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}
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debug!("DD");
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}
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}));
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Some(w)
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}
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pub fn reload(
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&mut self,
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event: RefreshEvent,
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folder_hash: FolderHash,
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sender: &chan::Sender<crate::types::ThreadEvent>,
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) -> Option<UIEvent> {
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if !self.folders[&folder_hash].is_available() {
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self.event_queue.push_back((folder_hash, event));
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return None;
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}
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let kind = event.kind();
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{
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//let mailbox: &mut Mailbox = self.folders[idx].as_mut().unwrap().as_mut().unwrap();
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match kind {
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RefreshEventKind::Update(old_hash, envelope) => {
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mailbox!(&folder_hash, self.folders).rename(old_hash, envelope.hash());
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self.collection.update(old_hash, *envelope, folder_hash);
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return Some(EnvelopeUpdate(old_hash));
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}
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RefreshEventKind::Rename(old_hash, new_hash) => {
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debug!("rename {} to {}", old_hash, new_hash);
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mailbox!(&folder_hash, self.folders).rename(old_hash, new_hash);
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self.collection.rename(old_hash, new_hash, folder_hash);
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return Some(EnvelopeRename(old_hash, new_hash));
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}
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RefreshEventKind::Create(envelope) => {
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let env_hash = envelope.hash();
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mailbox!(&folder_hash, self.folders).insert(env_hash);
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self.collection.insert(*envelope, folder_hash);
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if self
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.sent_folder
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.as_ref()
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.map(|h| *h == folder_hash)
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.unwrap_or(false)
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{
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self.collection.insert_reply(env_hash);
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}
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let ref_folders: FnvHashMap<FolderHash, Folder> = self.backend.folders();
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let folder_conf = &self.settings.folder_confs[&self.folder_names[&folder_hash]];
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if folder_conf.ignore.is_true() {
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return None;
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}
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let (_, thread_node) = self.mail_and_thread(env_hash, folder_hash);
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if thread_node.snoozed() {
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return None;
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}
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let env = self.get_env(&env_hash);
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return Some(Notification(
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Some("new mail".into()),
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format!(
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"{} {:.15}:\n\nFrom: {:.15}\nSubject: {:.15}",
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self.name,
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ref_folders[&folder_hash].name(),
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env.subject(),
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env.field_from_to_string(),
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),
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));
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}
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RefreshEventKind::Remove(envelope_hash) => {
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mailbox!(&folder_hash, self.folders).remove(envelope_hash);
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self.collection.remove(envelope_hash, folder_hash);
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return Some(EnvelopeRemove(envelope_hash));
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}
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RefreshEventKind::Rescan => {
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let ref_folders: FnvHashMap<FolderHash, Folder> = self.backend.folders();
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let handle = Account::new_worker(
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ref_folders[&folder_hash].clone(),
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&mut self.backend,
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self.notify_fn.clone(),
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);
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self.workers.insert(folder_hash, handle);
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}
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RefreshEventKind::Failure(e) => {
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debug!("RefreshEvent Failure: {}", e.to_string());
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let sender = sender.clone();
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self.watch(RefreshEventConsumer::new(Box::new(move |r| {
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sender.send(crate::types::ThreadEvent::from(r));
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})));
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}
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}
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}
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None
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}
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pub fn watch(&self, r: RefreshEventConsumer) {
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self.backend.watch(r).unwrap();
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}
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pub fn len(&self) -> usize {
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self.folders.len()
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}
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pub fn is_empty(&self) -> bool {
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self.folders.is_empty()
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}
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pub fn list_folders(&self) -> Vec<Folder> {
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let mut folders = self.backend.folders();
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if let Some(folder_confs) = self.settings.conf().folders() {
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//debug!("folder renames: {:?}", folder_renames);
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for f in folders.values_mut() {
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if let Some(r) = folder_confs.get(f.path()) {
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if let Some(rename) = r.rename() {
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f.change_name(rename);
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}
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}
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}
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}
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/*
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if let Some(pos) = folders
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.iter()
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.position(|f| f.name().eq_ignore_ascii_case("INBOX"))
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{
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folders.swap(pos, 0);
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}
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*/
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let order: FnvHashMap<FolderHash, usize> = self
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.folders_order
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.iter()
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.enumerate()
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.map(|(i, &fh)| (fh, i))
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.collect();
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let mut folders: Vec<Folder> = folders
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.drain()
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.map(|(_, f)| f)
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.filter(|f| self.folders.contains_key(&f.hash()))
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.collect();
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folders.sort_unstable_by(|a, b| order[&a.hash()].partial_cmp(&order[&b.hash()]).unwrap());
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folders
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}
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pub fn folders_order(&self) -> &Vec<FolderHash> {
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&self.folders_order
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}
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pub fn name(&self) -> &str {
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&self.name
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}
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pub fn workers(&mut self) -> &mut FnvHashMap<FolderHash, Worker> {
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&mut self.workers
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}
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fn load_mailbox(&mut self, folder_hash: FolderHash, payload: Result<Vec<Envelope>>) {
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if payload.is_err() {
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self.folders
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.insert(folder_hash, MailboxEntry::Failed(payload.unwrap_err()));
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return;
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}
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let envelopes = payload
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.unwrap()
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.into_iter()
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.map(|e| (e.hash(), e))
|
|
.collect::<FnvHashMap<EnvelopeHash, Envelope>>();
|
|
match self.folders.entry(folder_hash).or_default() {
|
|
MailboxEntry::Failed(_) => {}
|
|
MailboxEntry::Parsing(ref mut m, _, _) | MailboxEntry::Available(ref mut m) => {
|
|
m.merge(&envelopes);
|
|
if let Some(updated_folders) =
|
|
self.collection
|
|
.merge(envelopes, folder_hash, m, self.sent_folder)
|
|
{
|
|
for f in updated_folders {
|
|
self.notify_fn.notify(f);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
self.notify_fn.notify(folder_hash);
|
|
}
|
|
|
|
pub fn status(&mut self, folder_hash: FolderHash) -> result::Result<(), usize> {
|
|
match self.workers.get_mut(&folder_hash).unwrap() {
|
|
None => {
|
|
return Ok(());
|
|
}
|
|
Some(ref mut w) => match w.poll() {
|
|
Ok(AsyncStatus::NoUpdate) => {
|
|
//return Err(0);
|
|
}
|
|
Ok(AsyncStatus::Payload(envs)) => {
|
|
debug!("got payload in status for {}", folder_hash);
|
|
self.load_mailbox(folder_hash, envs);
|
|
}
|
|
Ok(AsyncStatus::Finished) => {
|
|
debug!("got finished in status for {}", folder_hash);
|
|
self.folders.entry(folder_hash).and_modify(|f| {
|
|
let m = if let MailboxEntry::Parsing(m, _, _) = f {
|
|
std::mem::replace(m, Mailbox::default())
|
|
} else {
|
|
return;
|
|
};
|
|
*f = MailboxEntry::Available(m);
|
|
});
|
|
|
|
self.workers.insert(folder_hash, None);
|
|
}
|
|
Ok(AsyncStatus::ProgressReport(n)) => {
|
|
self.folders.entry(folder_hash).and_modify(|f| {
|
|
if let MailboxEntry::Parsing(_, ref mut d, _) = f {
|
|
*d += n;
|
|
}
|
|
});
|
|
//return Err(n);
|
|
}
|
|
_ => {
|
|
//return Err(0);
|
|
}
|
|
},
|
|
};
|
|
if self.folders[&folder_hash].is_available()
|
|
|| (self.folders[&folder_hash].is_parsing()
|
|
&& self.collection.threads.contains_key(&folder_hash))
|
|
{
|
|
Ok(())
|
|
} else {
|
|
Err(0)
|
|
}
|
|
}
|
|
|
|
pub fn save_draft(&self, draft: Draft) -> Result<()> {
|
|
if self.settings.account.read_only() {
|
|
return Err(MeliError::new(format!(
|
|
"Account {} is read-only.",
|
|
self.name.as_str()
|
|
)));
|
|
}
|
|
let finalize = draft.finalise()?;
|
|
self.backend
|
|
.save(&finalize.as_bytes(), &self.settings.conf.draft_folder, None)
|
|
}
|
|
pub fn save(&self, bytes: &[u8], folder: &str, flags: Option<Flag>) -> Result<()> {
|
|
if self.settings.account.read_only() {
|
|
return Err(MeliError::new(format!(
|
|
"Account {} is read-only.",
|
|
self.name.as_str()
|
|
)));
|
|
}
|
|
self.backend.save(bytes, folder, flags)
|
|
}
|
|
pub fn iter_mailboxes(&self) -> MailboxIterator {
|
|
MailboxIterator {
|
|
folders_order: &self.folders_order,
|
|
folders: &self.folders,
|
|
pos: 0,
|
|
}
|
|
}
|
|
|
|
pub fn get_env(&self, h: &EnvelopeHash) -> &Envelope {
|
|
&self.collection[h]
|
|
}
|
|
pub fn get_env_mut(&mut self, h: &EnvelopeHash) -> &mut Envelope {
|
|
self.collection.entry(*h).or_default()
|
|
}
|
|
pub fn contains_key(&self, h: EnvelopeHash) -> bool {
|
|
self.collection.contains_key(&h)
|
|
}
|
|
pub fn operation(&self, h: EnvelopeHash) -> Box<BackendOp> {
|
|
for mailbox in self.folders.values() {
|
|
match mailbox {
|
|
MailboxEntry::Available(ref m) | MailboxEntry::Parsing(ref m, _, _) => {
|
|
if m.envelopes.contains(&h) {
|
|
let operation = self.backend.operation(h, m.folder.hash());
|
|
if self.settings.account.read_only() {
|
|
return ReadOnlyOp::new(operation);
|
|
} else {
|
|
return operation;
|
|
}
|
|
}
|
|
}
|
|
_ => {}
|
|
}
|
|
}
|
|
debug!("didn't find {}", h);
|
|
debug!(&self.folders);
|
|
debug!(&self.collection.envelopes);
|
|
unreachable!()
|
|
}
|
|
pub fn thread_to_mail_mut(&mut self, h: ThreadHash, f: FolderHash) -> &mut Envelope {
|
|
self.collection
|
|
.envelopes
|
|
.entry(self.collection.threads[&f].thread_to_mail(h))
|
|
.or_default()
|
|
}
|
|
pub fn thread_to_mail(&self, h: ThreadHash, f: FolderHash) -> &Envelope {
|
|
&self.collection.envelopes[&self.collection.threads[&f].thread_to_mail(h)]
|
|
}
|
|
pub fn threaded_mail(&self, h: ThreadHash, f: FolderHash) -> EnvelopeHash {
|
|
self.collection.threads[&f].thread_to_mail(h)
|
|
}
|
|
pub fn mail_and_thread(
|
|
&mut self,
|
|
i: EnvelopeHash,
|
|
f: FolderHash,
|
|
) -> (&mut Envelope, &ThreadNode) {
|
|
let thread;
|
|
{
|
|
let x = &mut self.collection.envelopes.entry(i).or_default();
|
|
thread = &self.collection.threads[&f][&x.thread()];
|
|
}
|
|
(self.collection.envelopes.entry(i).or_default(), thread)
|
|
}
|
|
pub fn thread(&self, h: ThreadHash, f: FolderHash) -> &ThreadNode {
|
|
&self.collection.threads[&f].thread_nodes()[&h]
|
|
}
|
|
|
|
pub fn folder_operation(&mut self, path: &str, op: FolderOperation) -> Result<()> {
|
|
self.backend.folder_operation(path, op)
|
|
}
|
|
}
|
|
|
|
impl Index<FolderHash> for Account {
|
|
type Output = MailboxEntry;
|
|
fn index(&self, index: FolderHash) -> &MailboxEntry {
|
|
&self.folders[&index]
|
|
}
|
|
}
|
|
|
|
impl IndexMut<FolderHash> for Account {
|
|
fn index_mut(&mut self, index: FolderHash) -> &mut MailboxEntry {
|
|
self.folders.get_mut(&index).unwrap()
|
|
}
|
|
}
|
|
|
|
impl Index<usize> for Account {
|
|
type Output = MailboxEntry;
|
|
fn index(&self, index: usize) -> &MailboxEntry {
|
|
&self.folders[&self.folders_order[index]]
|
|
}
|
|
}
|
|
|
|
/// Will panic if mailbox hasn't loaded, ask `status()` first.
|
|
impl IndexMut<usize> for Account {
|
|
fn index_mut(&mut self, index: usize) -> &mut MailboxEntry {
|
|
self.folders.get_mut(&self.folders_order[index]).unwrap()
|
|
}
|
|
}
|