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1381 lines
45 KiB
Rust
1381 lines
45 KiB
Rust
/*
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* meli - mailbox threading 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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* e-mail threading (conversations)
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*
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* This module implements Jamie Zawinski's [threading algorithm](https://www.jwz.org/doc/threading.html). Quoted comments (/* " .. " */) are
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* taken almost verbatim from the algorithm.
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*
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* The entry point of this module is the `Threads` struct and its `new` method. It contains
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* `ThreadNodes` which are the nodes in the thread trees that might have messages associated with
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* them. The root nodes (first messages in each thread) are stored in `root_set` and `tree`
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* vectors. `Threads` has inner mutability since we need to sort without the user having mutable
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* ownership.
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*/
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use crate::datetime::UnixTimestamp;
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use crate::email::address::StrBuild;
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use crate::email::parser::BytesExt;
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use crate::email::*;
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mod iterators;
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pub use iterators::*;
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#[cfg(feature = "unicode_algorithms")]
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use crate::text_processing::grapheme_clusters::*;
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use uuid::Uuid;
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use std::cell::RefCell;
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use std::cmp::Ordering;
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use std::collections::{HashMap, HashSet};
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use std::fmt;
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use std::iter::FromIterator;
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use std::ops::Index;
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use std::result::Result as StdResult;
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use std::str::FromStr;
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use std::string::ToString;
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use std::sync::{Arc, RwLock};
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use smallvec::SmallVec;
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type Envelopes = Arc<RwLock<HashMap<EnvelopeHash, Envelope>>>;
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macro_rules! uuid_hash_type {
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($n:ident) => {
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#[derive(PartialEq, Hash, Eq, Copy, Clone, Serialize, Deserialize, Default)]
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pub struct $n(Uuid);
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impl fmt::Debug for $n {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "{}", self.0.to_string())
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}
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}
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impl fmt::Display for $n {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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write!(f, "{}", self.0.to_string())
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}
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}
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impl From<&[u8]> for $n {
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fn from(val: &[u8]) -> Self {
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$n(Uuid::new_v5(&Uuid::NAMESPACE_URL, val))
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}
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}
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impl $n {
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pub fn new() -> Self {
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$n(Uuid::new_v4())
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}
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pub fn null() -> Self {
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$n(Uuid::nil())
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}
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}
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};
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}
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uuid_hash_type!(ThreadNodeHash);
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uuid_hash_type!(ThreadHash);
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/* Helper macros to avoid repeating ourselves */
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macro_rules! remove_from_parent {
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($buf:expr, $idx:expr) => {{
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let mut parent: Option<ThreadNodeHash> = None;
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let entry_parent = $buf.entry($idx).or_default().parent;
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if let Some(p) = entry_parent {
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parent = Some(p);
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if let Some(pos) = $buf[&p].children.iter().position(|c| *c == $idx) {
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$buf.entry(p).and_modify(|e| {
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e.children.remove(pos);
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});
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}
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}
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$buf.entry($idx).and_modify(|e| e.parent = None);
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parent
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}};
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}
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macro_rules! make {
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(($p:expr)parent of($c:expr), $threads:expr) => {{
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let old_group_hash = $threads.find_group($threads.thread_nodes[&$c].group);
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let parent_group_hash = $threads.find_group($threads.thread_nodes[&$p].group);
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if old_group_hash != parent_group_hash {
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let prev_parent = remove_from_parent!(&mut $threads.thread_nodes, $c);
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if !($threads.thread_nodes[&$p]).children.contains(&$c) {
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/* Pruned nodes keep their children in case they show up in a later merge, so do not panic
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* if children exists */
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$threads.thread_nodes.entry($p).and_modify(|e| e.children.push($c));
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}
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$threads.thread_nodes.entry($c).and_modify(|e| {
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e.parent = Some($p);
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});
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let old_group = std::mem::replace($threads.groups.entry(old_group_hash).or_default(), ThreadGroup::Node {
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parent: RefCell::new(parent_group_hash),
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});
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$threads.thread_nodes.entry($c).and_modify(|e| {
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e.group = parent_group_hash;
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});
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$threads.thread_nodes.entry($p).and_modify(|e| {
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e.group = parent_group_hash;
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});
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{
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let parent_group = $threads.thread_ref_mut(parent_group_hash);
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match (parent_group, old_group) {
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(Thread {
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ref mut date,
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ref mut len,
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ref mut unseen,
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ref mut snoozed,
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ref mut attachments,
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..
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}, ThreadGroup::Root(Thread {
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date: old_date,
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len: old_len,
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unseen: old_unseen,
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snoozed: old_snoozed,
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attachments: old_attachments,
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..
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})) => {
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*date = std::cmp::max(old_date, *date);
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*len += old_len;
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*unseen += old_unseen;
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*attachments += old_attachments;
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*snoozed |= old_snoozed;
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}
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_ => unreachable!(),
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}
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}
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prev_parent
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} else {
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None
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}
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}};
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}
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/* Strip common prefixes from subjects */
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trait SubjectPrefix {
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fn is_a_reply(&self) -> bool;
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fn strip_prefixes(&mut self) -> &mut Self;
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}
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impl SubjectPrefix for &[u8] {
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fn is_a_reply(&self) -> bool {
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self.starts_with(b"RE: ")
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|| self.starts_with(b"Re: ")
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|| self.starts_with(b"FW: ")
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|| self.starts_with(b"Fw: ")
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}
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fn strip_prefixes(&mut self) -> &mut Self {
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let result = {
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let mut slice = self.trim();
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loop {
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if slice.starts_with(b"RE: ")
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|| slice.starts_with(b"Re: ")
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|| slice.starts_with(b"FW: ")
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|| slice.starts_with(b"Fw: ")
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{
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slice = &slice[3..];
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continue;
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}
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if slice.starts_with(b"FWD: ")
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|| slice.starts_with(b"Fwd: ")
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|| slice.starts_with(b"fwd: ")
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{
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slice = &slice[4..];
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continue;
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}
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if slice.starts_with(b" ") || slice.starts_with(b"\t") || slice.starts_with(b"\r") {
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//FIXME just trim whitespace
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slice = &slice[1..];
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continue;
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}
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if slice.starts_with(b"[")
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&& !(slice.starts_with(b"[PATCH") || slice.starts_with(b"[RFC"))
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{
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if let Some(pos) = slice.find(b"]") {
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slice = &slice[pos..];
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continue;
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}
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slice = &slice[1..];
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continue;
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}
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break;
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}
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slice
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};
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*self = result;
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self
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}
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}
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/* Sorting states. */
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#[derive(Debug, Clone, PartialEq, Copy, Deserialize, Serialize)]
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pub enum SortOrder {
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Asc,
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Desc,
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}
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#[derive(Debug, Clone, PartialEq, Copy, Deserialize, Serialize)]
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pub enum SortField {
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Subject,
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Date,
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}
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impl Default for SortField {
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fn default() -> Self {
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SortField::Date
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}
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}
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impl Default for SortOrder {
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fn default() -> Self {
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SortOrder::Desc
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}
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}
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impl FromStr for SortField {
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type Err = ();
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fn from_str(s: &str) -> StdResult<Self, Self::Err> {
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match s.trim() {
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"subject" | "s" | "sub" | "sbj" | "subj" => Ok(SortField::Subject),
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"date" | "d" => Ok(SortField::Date),
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_ => Err(()),
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}
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}
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}
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impl FromStr for SortOrder {
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type Err = ();
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fn from_str(s: &str) -> StdResult<Self, Self::Err> {
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match s.trim() {
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"asc" => Ok(SortOrder::Asc),
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"desc" => Ok(SortOrder::Desc),
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_ => Err(()),
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}
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}
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}
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#[derive(Default, Clone, Debug, Deserialize, Serialize)]
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pub struct Thread {
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pub root: ThreadNodeHash,
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pub date: UnixTimestamp,
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pub len: usize,
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pub unseen: usize,
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pub attachments: usize,
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pub snoozed: bool,
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}
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#[derive(Clone, Debug, Deserialize, Serialize)]
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pub enum ThreadGroup {
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Root(Thread),
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Node { parent: RefCell<ThreadHash> },
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}
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impl Default for ThreadGroup {
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fn default() -> Self {
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ThreadGroup::Root(Thread::default())
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}
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}
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impl ThreadGroup {
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pub fn root(&self) -> Option<&Thread> {
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if let ThreadGroup::Root(ref root) = self {
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Some(root)
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} else {
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None
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}
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}
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}
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macro_rules! property {
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($name:ident: $t:ty) => {
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pub fn $name(&self) -> $t {
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(self.$name).into()
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}
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};
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}
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impl Thread {
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property!(root: ThreadNodeHash);
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property!(len: usize);
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property!(unseen: usize);
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property!(snoozed: bool);
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property!(date: UnixTimestamp);
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pub fn has_attachments(&self) -> bool {
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self.attachments > 0
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}
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pub fn set_snoozed(&mut self, val: bool) {
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self.snoozed = val;
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}
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}
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#[derive(Clone, Debug, Deserialize, Serialize)]
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pub struct ThreadNode {
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pub message: Option<EnvelopeHash>,
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pub parent: Option<ThreadNodeHash>,
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pub children: Vec<ThreadNodeHash>,
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pub date: UnixTimestamp,
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pub show_subject: bool,
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pub group: ThreadHash,
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pub unseen: bool,
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}
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impl Default for ThreadNode {
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fn default() -> ThreadNode {
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ThreadNode {
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message: None,
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parent: None,
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children: Vec::new(),
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date: UnixTimestamp::default(),
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show_subject: true,
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group: ThreadHash::new(),
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unseen: false,
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}
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}
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}
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impl ThreadNode {
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fn new() -> Self {
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ThreadNode::default()
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}
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pub fn show_subject(&self) -> bool {
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self.show_subject
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}
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pub fn unseen(&self) -> bool {
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self.unseen
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}
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pub fn set_unseen(&mut self, new_val: bool) {
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self.unseen = new_val;
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}
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pub fn date(&self) -> UnixTimestamp {
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self.date
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}
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pub fn is_empty(&self) -> bool {
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self.parent.is_none() && self.message.is_none() && self.children.is_empty()
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}
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pub fn message(&self) -> Option<EnvelopeHash> {
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self.message
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}
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pub fn has_message(&self) -> bool {
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self.message.is_some()
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}
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pub fn parent(&self) -> Option<ThreadNodeHash> {
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self.parent
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}
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pub fn has_parent(&self) -> bool {
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self.parent.is_some()
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}
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pub fn children(&self) -> &[ThreadNodeHash] {
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&self.children
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}
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}
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#[derive(Clone, Debug, Default, Deserialize, Serialize)]
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pub struct Threads {
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pub thread_nodes: HashMap<ThreadNodeHash, ThreadNode>,
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root_set: RefCell<Vec<ThreadNodeHash>>,
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tree_index: RefCell<Vec<ThreadNodeHash>>,
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pub groups: HashMap<ThreadHash, ThreadGroup>,
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message_ids: HashMap<Vec<u8>, ThreadNodeHash>,
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pub message_ids_set: HashSet<Vec<u8>>,
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pub missing_message_ids: HashSet<Vec<u8>>,
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pub hash_set: HashSet<EnvelopeHash>,
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sort: RefCell<(SortField, SortOrder)>,
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subsort: RefCell<(SortField, SortOrder)>,
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}
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|
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impl PartialEq for ThreadNode {
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fn eq(&self, other: &ThreadNode) -> bool {
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match (self.message, other.message) {
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(Some(s), Some(o)) => s == o,
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_ => false,
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}
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}
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}
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impl Threads {
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pub fn is_snoozed(&self, h: ThreadNodeHash) -> bool {
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self.thread_ref(self.thread_nodes[&h].group).snoozed()
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}
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pub fn thread_ref(&self, h: ThreadHash) -> &Thread {
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match self.groups[&self.find_group(h)] {
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ThreadGroup::Root(ref root) => root,
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ThreadGroup::Node { .. } => unreachable!(),
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}
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}
|
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|
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pub fn thread_ref_mut(&mut self, h: ThreadHash) -> &mut Thread {
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match self.groups.get_mut(&self.find_group(h)) {
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Some(ThreadGroup::Root(ref mut root)) => root,
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Some(ThreadGroup::Node { .. }) | None => unreachable!(),
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}
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}
|
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|
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pub fn find_group(&self, h: ThreadHash) -> ThreadHash {
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let p = match self.groups[&h] {
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ThreadGroup::Root(_) => return h,
|
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ThreadGroup::Node { ref parent } => *parent.borrow(),
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|
};
|
|
|
|
let parent_group = self.find_group(p);
|
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match self.groups[&h] {
|
|
ThreadGroup::Node { ref parent } => {
|
|
*parent.borrow_mut() = parent_group;
|
|
}
|
|
_ => unreachable!(),
|
|
}
|
|
parent_group
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|
}
|
|
|
|
pub fn new(length: usize) -> Threads {
|
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/* To reconstruct thread information from the mails we need: */
|
|
|
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/* a vector to hold thread members */
|
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let thread_nodes: HashMap<ThreadNodeHash, ThreadNode> =
|
|
HashMap::with_capacity_and_hasher((length as f64 * 1.2) as usize, Default::default());
|
|
/* A hash table of Message IDs */
|
|
let message_ids: HashMap<Vec<u8>, ThreadNodeHash> =
|
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HashMap::with_capacity_and_hasher(length, Default::default());
|
|
/* A hash set of Message IDs we haven't encountered yet as an Envelope */
|
|
let missing_message_ids: HashSet<Vec<u8>> =
|
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HashSet::with_capacity_and_hasher(length, Default::default());
|
|
/* A hash set of Message IDs we have encountered as a MessageID */
|
|
let message_ids_set: HashSet<Vec<u8>> =
|
|
HashSet::with_capacity_and_hasher(length, Default::default());
|
|
let hash_set: HashSet<EnvelopeHash> =
|
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HashSet::with_capacity_and_hasher(length, Default::default());
|
|
|
|
Threads {
|
|
thread_nodes,
|
|
message_ids,
|
|
message_ids_set,
|
|
missing_message_ids,
|
|
hash_set,
|
|
sort: RefCell::new((SortField::Date, SortOrder::Desc)),
|
|
subsort: RefCell::new((SortField::Subject, SortOrder::Desc)),
|
|
|
|
..Default::default()
|
|
}
|
|
}
|
|
|
|
pub fn threads_group_iter(
|
|
&self,
|
|
root_tree: SmallVec<[ThreadNodeHash; 1024]>,
|
|
) -> ThreadsGroupIterator {
|
|
ThreadsGroupIterator {
|
|
root_tree,
|
|
pos: 0,
|
|
stack: SmallVec::new(),
|
|
thread_nodes: &self.thread_nodes,
|
|
}
|
|
}
|
|
|
|
pub fn thread_group_iter(&self, index: ThreadHash) -> ThreadGroupIterator {
|
|
ThreadGroupIterator {
|
|
group: self.thread_ref(index).root(),
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|
pos: 0,
|
|
stack: SmallVec::new(),
|
|
thread_nodes: &self.thread_nodes,
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|
}
|
|
}
|
|
|
|
pub fn update_envelope(
|
|
&mut self,
|
|
envelopes: &Envelopes,
|
|
old_hash: EnvelopeHash,
|
|
new_hash: EnvelopeHash,
|
|
) -> Result<(), ()> {
|
|
/* must update:
|
|
* - hash_set
|
|
* - message fields in thread_nodes
|
|
*/
|
|
let thread_hash = if let Some((key, _)) = self
|
|
.thread_nodes
|
|
.iter()
|
|
.find(|(_, n)| n.message.map(|n| n == old_hash).unwrap_or(false))
|
|
{
|
|
*key
|
|
} else {
|
|
return Err(());
|
|
};
|
|
|
|
self.thread_nodes.get_mut(&thread_hash).unwrap().message = Some(new_hash);
|
|
let was_unseen = self.thread_nodes[&thread_hash].unseen;
|
|
let is_unseen = !envelopes.read().unwrap()[&new_hash].is_seen();
|
|
if was_unseen != is_unseen {
|
|
let Thread { ref mut unseen, .. } =
|
|
self.thread_ref_mut(self.thread_nodes[&thread_hash].group);
|
|
if was_unseen {
|
|
*unseen -= 1;
|
|
} else {
|
|
*unseen += 1;
|
|
}
|
|
}
|
|
self.thread_nodes.get_mut(&thread_hash).unwrap().unseen = is_unseen;
|
|
self.hash_set.remove(&old_hash);
|
|
self.hash_set.insert(new_hash);
|
|
Ok(())
|
|
}
|
|
|
|
#[inline]
|
|
pub fn remove(&mut self, envelope_hash: EnvelopeHash) {
|
|
self.hash_set.remove(&envelope_hash);
|
|
|
|
let t_id: ThreadNodeHash = if let Some((pos, n)) = self
|
|
.thread_nodes
|
|
.iter_mut()
|
|
.find(|(_, n)| n.message.map(|n| n == envelope_hash).unwrap_or(false))
|
|
{
|
|
n.message = None;
|
|
*pos
|
|
} else {
|
|
return;
|
|
};
|
|
|
|
if self.thread_nodes[&t_id].parent.is_none() {
|
|
let mut tree_index = self.tree_index.borrow_mut();
|
|
if let Some(i) = tree_index.iter().position(|t| *t == t_id) {
|
|
tree_index.remove(i);
|
|
}
|
|
}
|
|
if let Some((message_id, _)) = self.message_ids.iter().find(|(_, h)| **h == t_id) {
|
|
self.missing_message_ids.insert(message_id.to_vec());
|
|
}
|
|
}
|
|
|
|
pub fn amend(&mut self, envelopes: &Envelopes) {
|
|
let envelopes_lck = envelopes.read().unwrap();
|
|
let new_hash_set = HashSet::from_iter(envelopes_lck.keys().cloned());
|
|
|
|
let difference: Vec<EnvelopeHash> =
|
|
self.hash_set.difference(&new_hash_set).cloned().collect();
|
|
for h in difference {
|
|
self.remove(h);
|
|
}
|
|
drop(envelopes_lck);
|
|
|
|
let difference: Vec<EnvelopeHash> =
|
|
new_hash_set.difference(&self.hash_set).cloned().collect();
|
|
for h in difference {
|
|
//debug!("inserting {}", envelopes_lck[&h].subject());
|
|
self.insert(envelopes, h);
|
|
}
|
|
}
|
|
|
|
/// Update show_subject details of ThreadNode
|
|
pub fn update_show_subject(
|
|
&mut self,
|
|
id: ThreadNodeHash,
|
|
env_hash: EnvelopeHash,
|
|
envelopes: &Envelopes,
|
|
) {
|
|
let envelopes = envelopes.read().unwrap();
|
|
let mut subject = envelopes[&env_hash].subject();
|
|
let mut subject = subject.to_mut().as_bytes();
|
|
let stripped_subject = subject.strip_prefixes();
|
|
if let Some(parent_id) = self.thread_nodes[&id].parent {
|
|
if let Some(parent_hash) = self.thread_nodes[&parent_id].message {
|
|
debug_assert!(envelopes.contains_key(&parent_hash));
|
|
/* decide if the subject should be shown in the UI.
|
|
* If parent subject is Foobar and reply is `Re: Foobar`
|
|
* then showing the reply's subject is reduntant
|
|
*/
|
|
let mut parent_subject = envelopes[&parent_hash].subject();
|
|
let mut parent_subject = parent_subject.to_mut().as_bytes();
|
|
parent_subject.strip_prefixes();
|
|
if stripped_subject == &parent_subject {
|
|
self.thread_nodes.entry(id).and_modify(|e| {
|
|
e.show_subject = false;
|
|
});
|
|
}
|
|
}
|
|
}
|
|
for i in 0..self.thread_nodes[&id].children.len() {
|
|
let child_hash = self.thread_nodes[&id].children[i];
|
|
if let Some(child_env_hash) = self.thread_nodes[&child_hash].message() {
|
|
let mut child_subject = envelopes[&child_env_hash].subject();
|
|
let mut child_subject = child_subject.to_mut().as_bytes();
|
|
child_subject.strip_prefixes();
|
|
if stripped_subject == &child_subject {
|
|
self.thread_nodes.entry(child_hash).and_modify(|e| {
|
|
e.show_subject = false;
|
|
});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn insert(&mut self, envelopes: &Envelopes, env_hash: EnvelopeHash) {
|
|
self.insert_internal(envelopes, env_hash, false);
|
|
}
|
|
|
|
fn insert_internal(
|
|
&mut self,
|
|
envelopes: &Envelopes,
|
|
env_hash: EnvelopeHash,
|
|
other_mailbox: bool,
|
|
) -> bool {
|
|
let envelopes_lck = envelopes.read().unwrap();
|
|
let reply_to_id: Option<ThreadNodeHash> = envelopes_lck[&env_hash]
|
|
.in_reply_to()
|
|
.map(StrBuild::raw)
|
|
.and_then(|r| self.message_ids.get(r).cloned());
|
|
let message_id = envelopes_lck[&env_hash].message_id().raw();
|
|
if self.message_ids.contains_key(message_id)
|
|
&& !self.missing_message_ids.contains(message_id)
|
|
{
|
|
let thread_hash = self.message_ids[message_id];
|
|
drop(envelopes_lck);
|
|
envelopes
|
|
.write()
|
|
.unwrap()
|
|
.get_mut(&env_hash)
|
|
.unwrap()
|
|
.set_thread(thread_hash);
|
|
|
|
return false;
|
|
}
|
|
|
|
if other_mailbox
|
|
&& reply_to_id.is_none()
|
|
&& !self.message_ids.contains_key(message_id)
|
|
&& !envelopes_lck[&env_hash]
|
|
.references()
|
|
.iter()
|
|
.any(|r| self.message_ids.contains_key(r.raw()))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
let new_id = self
|
|
.message_ids
|
|
.get(message_id)
|
|
.cloned()
|
|
.or(
|
|
if envelopes_lck[&env_hash].thread() != ThreadNodeHash::null() {
|
|
Some(envelopes_lck[&env_hash].thread())
|
|
} else {
|
|
None
|
|
},
|
|
)
|
|
.unwrap_or_else(ThreadNodeHash::new);
|
|
{
|
|
let mut node = self.thread_nodes.entry(new_id).or_default();
|
|
node.message = Some(env_hash);
|
|
if node.parent.is_none() {
|
|
node.parent = reply_to_id;
|
|
}
|
|
node.date = envelopes_lck[&env_hash].date();
|
|
node.unseen = !envelopes_lck[&env_hash].is_seen();
|
|
}
|
|
|
|
if !self.groups.contains_key(&self.thread_nodes[&new_id].group) {
|
|
self.groups.insert(
|
|
self.thread_nodes[&new_id].group,
|
|
ThreadGroup::Root(Thread {
|
|
root: new_id,
|
|
date: envelopes_lck[&env_hash].date(),
|
|
len: 1,
|
|
unseen: if !envelopes_lck[&env_hash].is_seen() {
|
|
1
|
|
} else {
|
|
0
|
|
},
|
|
attachments: if envelopes_lck[&env_hash].has_attachments() {
|
|
1
|
|
} else {
|
|
0
|
|
},
|
|
snoozed: false,
|
|
}),
|
|
);
|
|
} else {
|
|
let parent_group = self.thread_ref_mut(self.thread_nodes[&new_id].group);
|
|
parent_group.date = std::cmp::max(parent_group.date, envelopes_lck[&env_hash].date());
|
|
parent_group.len += 1;
|
|
parent_group.unseen += if !envelopes_lck[&env_hash].is_seen() {
|
|
1
|
|
} else {
|
|
0
|
|
};
|
|
parent_group.attachments += if envelopes_lck[&env_hash].has_attachments() {
|
|
1
|
|
} else {
|
|
0
|
|
};
|
|
}
|
|
|
|
self.message_ids.insert(message_id.to_vec(), new_id);
|
|
self.message_ids_set.insert(message_id.to_vec());
|
|
self.missing_message_ids.remove(message_id);
|
|
self.hash_set.insert(env_hash);
|
|
if let Some(reply_to_id) = reply_to_id {
|
|
make!((reply_to_id) parent of (new_id), self);
|
|
} else if let Some(r) = envelopes_lck[&env_hash].in_reply_to().map(StrBuild::raw) {
|
|
let reply_to_id = ThreadNodeHash::new();
|
|
self.thread_nodes.insert(
|
|
reply_to_id,
|
|
ThreadNode {
|
|
date: envelopes_lck[&env_hash].date(),
|
|
..ThreadNode::new()
|
|
},
|
|
);
|
|
|
|
self.groups.insert(
|
|
self.thread_nodes[&reply_to_id].group,
|
|
ThreadGroup::Root(Thread {
|
|
root: reply_to_id,
|
|
date: envelopes_lck[&env_hash].date(),
|
|
len: 0,
|
|
unseen: 0,
|
|
attachments: 0,
|
|
snoozed: false,
|
|
}),
|
|
);
|
|
make!((reply_to_id) parent of (new_id), self);
|
|
self.message_ids.insert(r.to_vec(), reply_to_id);
|
|
self.message_ids_set.insert(r.to_vec());
|
|
self.missing_message_ids.insert(r.to_vec());
|
|
}
|
|
|
|
if envelopes_lck[&env_hash].references.is_some() {
|
|
let mut current_descendant_id = new_id;
|
|
let mut references = envelopes_lck[&env_hash].references();
|
|
if references.first() == envelopes_lck[&env_hash].in_reply_to().as_ref() {
|
|
references.reverse();
|
|
}
|
|
|
|
for reference in references.into_iter().rev() {
|
|
if let Some(&id) = self.message_ids.get(reference.raw()) {
|
|
if self.thread_nodes[&id].date > self.thread_nodes[¤t_descendant_id].date
|
|
|| self.thread_nodes[¤t_descendant_id].parent.is_some()
|
|
{
|
|
current_descendant_id = id;
|
|
continue;
|
|
}
|
|
make!((id) parent of (current_descendant_id), self);
|
|
current_descendant_id = id;
|
|
} else {
|
|
let id = ThreadNodeHash::new();
|
|
self.thread_nodes.insert(
|
|
id,
|
|
ThreadNode {
|
|
date: envelopes_lck[&env_hash].date(),
|
|
..ThreadNode::new()
|
|
},
|
|
);
|
|
self.groups.insert(
|
|
self.thread_nodes[&id].group,
|
|
ThreadGroup::Root(Thread {
|
|
root: id,
|
|
date: envelopes_lck[&env_hash].date(),
|
|
len: 0,
|
|
unseen: 0,
|
|
attachments: 0,
|
|
snoozed: false,
|
|
}),
|
|
);
|
|
make!((id) parent of (current_descendant_id), self);
|
|
self.missing_message_ids.insert(reference.raw().to_vec());
|
|
self.message_ids.insert(reference.raw().to_vec(), id);
|
|
self.message_ids_set.insert(reference.raw().to_vec());
|
|
current_descendant_id = id;
|
|
}
|
|
}
|
|
}
|
|
drop(envelopes_lck);
|
|
self.update_show_subject(new_id, env_hash, envelopes);
|
|
envelopes
|
|
.write()
|
|
.unwrap()
|
|
.get_mut(&env_hash)
|
|
.unwrap()
|
|
.set_thread(new_id);
|
|
|
|
/*
|
|
save_graph(
|
|
&self.tree_index.borrow(),
|
|
&self.thread_nodes,
|
|
&self
|
|
.message_ids
|
|
.iter()
|
|
.map(|(a, &b)| (b, a.to_vec()))
|
|
.collect::<HashMap<ThreadNodeHash, Vec<u8>>>(),
|
|
&envelopes,
|
|
);
|
|
*/
|
|
true
|
|
}
|
|
|
|
/* Insert or update */
|
|
pub fn insert_reply(&mut self, envelopes: &Envelopes, env_hash: EnvelopeHash) -> bool {
|
|
self.insert_internal(envelopes, env_hash, true)
|
|
}
|
|
|
|
fn inner_subsort_by(&self, _subsort: (SortField, SortOrder), _envelopes: &Envelopes) {
|
|
//FIXME: self\.thread_nodes needs interior mutability */
|
|
/*
|
|
let Threads {
|
|
ref tree_index,
|
|
ref thread_nodes,
|
|
..
|
|
} = self;
|
|
let tree = &mut tree_index.borrow_mut();
|
|
for t in tree.iter_mut() {
|
|
thread_nodes[t].children.sort_by(|a, b| match subsort {
|
|
(SortField::Date, SortOrder::Desc) => {
|
|
let a = &thread_nodes[&a];
|
|
let b = &thread_nodes[&b];
|
|
b.date.cmp(&a.date)
|
|
}
|
|
(SortField::Date, SortOrder::Asc) => {
|
|
let a = &thread_nodes[&a];
|
|
let b = &thread_nodes[&b];
|
|
a.date.cmp(&b.date)
|
|
}
|
|
(SortField::Subject, SortOrder::Desc) => {
|
|
let a = &thread_nodes[&a].message();
|
|
let b = &thread_nodes[&b].message();
|
|
|
|
match (a, b) {
|
|
(Some(_), Some(_)) => {}
|
|
(Some(_), None) => {
|
|
return Ordering::Greater;
|
|
}
|
|
(None, Some(_)) => {
|
|
return Ordering::Less;
|
|
}
|
|
(None, None) => {
|
|
return Ordering::Equal;
|
|
}
|
|
}
|
|
let ma = &envelopes[&a.unwrap()];
|
|
let mb = &envelopes[&b.unwrap()];
|
|
ma.subject().cmp(&mb.subject())
|
|
}
|
|
(SortField::Subject, SortOrder::Asc) => {
|
|
let a = &thread_nodes[&a].message();
|
|
let b = &thread_nodes[&b].message();
|
|
|
|
match (a, b) {
|
|
(Some(_), Some(_)) => {}
|
|
(Some(_), None) => {
|
|
return Ordering::Less;
|
|
}
|
|
(None, Some(_)) => {
|
|
return Ordering::Greater;
|
|
}
|
|
(None, None) => {
|
|
return Ordering::Equal;
|
|
}
|
|
}
|
|
let ma = &envelopes[&a.unwrap()];
|
|
let mb = &envelopes[&b.unwrap()];
|
|
mb.subject().cmp(&ma.subject())
|
|
}
|
|
});
|
|
}
|
|
*/
|
|
}
|
|
|
|
pub fn group_inner_sort_by(
|
|
&self,
|
|
vec: &mut [ThreadHash],
|
|
sort: (SortField, SortOrder),
|
|
envelopes: &Envelopes,
|
|
) {
|
|
let envelopes = envelopes.read().unwrap();
|
|
vec.sort_by(|a, b| match sort {
|
|
(SortField::Date, SortOrder::Desc) => {
|
|
let a = self.thread_ref(*a).date();
|
|
let b = self.thread_ref(*b).date();
|
|
b.cmp(&a)
|
|
}
|
|
(SortField::Date, SortOrder::Asc) => {
|
|
let a = self.thread_ref(*a).date();
|
|
let b = self.thread_ref(*b).date();
|
|
a.cmp(&b)
|
|
}
|
|
(SortField::Subject, SortOrder::Desc) => {
|
|
let a = &self.thread_nodes[&self.thread_ref(*a).root()].message();
|
|
let b = &self.thread_nodes[&self.thread_ref(*b).root()].message();
|
|
|
|
match (a, b) {
|
|
(Some(_), Some(_)) => {}
|
|
(Some(_), None) => {
|
|
return Ordering::Greater;
|
|
}
|
|
(None, Some(_)) => {
|
|
return Ordering::Less;
|
|
}
|
|
(None, None) => {
|
|
return Ordering::Equal;
|
|
}
|
|
}
|
|
let ma = &envelopes[&a.unwrap()];
|
|
let mb = &envelopes[&b.unwrap()];
|
|
#[cfg(feature = "unicode_algorithms")]
|
|
{
|
|
ma.subject()
|
|
.split_graphemes()
|
|
.cmp(&mb.subject().split_graphemes())
|
|
}
|
|
#[cfg(not(feature = "unicode_algorithms"))]
|
|
{
|
|
ma.subject().cmp(&mb.subject())
|
|
}
|
|
}
|
|
(SortField::Subject, SortOrder::Asc) => {
|
|
let a = &self.thread_nodes[&self.thread_ref(*a).root()].message();
|
|
let b = &self.thread_nodes[&self.thread_ref(*b).root()].message();
|
|
|
|
match (a, b) {
|
|
(Some(_), Some(_)) => {}
|
|
(Some(_), None) => {
|
|
return Ordering::Less;
|
|
}
|
|
(None, Some(_)) => {
|
|
return Ordering::Greater;
|
|
}
|
|
(None, None) => {
|
|
return Ordering::Equal;
|
|
}
|
|
}
|
|
let ma = &envelopes[&a.unwrap()];
|
|
let mb = &envelopes[&b.unwrap()];
|
|
#[cfg(feature = "unicode_algorithms")]
|
|
{
|
|
mb.subject()
|
|
.as_ref()
|
|
.split_graphemes()
|
|
.cmp(&ma.subject().split_graphemes())
|
|
}
|
|
|
|
#[cfg(not(feature = "unicode_algorithms"))]
|
|
{
|
|
mb.subject().as_ref().cmp(&ma.subject())
|
|
}
|
|
}
|
|
});
|
|
}
|
|
pub fn node_inner_sort_by(
|
|
&self,
|
|
vec: &mut [ThreadNodeHash],
|
|
sort: (SortField, SortOrder),
|
|
envelopes: &Envelopes,
|
|
) {
|
|
let envelopes = envelopes.read().unwrap();
|
|
vec.sort_by(|a, b| match sort {
|
|
(SortField::Date, SortOrder::Desc) => {
|
|
let a = self.thread_ref(self.thread_nodes[&a].group).date();
|
|
let b = self.thread_ref(self.thread_nodes[&b].group).date();
|
|
b.cmp(&a)
|
|
}
|
|
(SortField::Date, SortOrder::Asc) => {
|
|
let a = self.thread_ref(self.thread_nodes[&a].group).date();
|
|
let b = self.thread_ref(self.thread_nodes[&b].group).date();
|
|
a.cmp(&b)
|
|
}
|
|
(SortField::Subject, SortOrder::Desc) => {
|
|
let a = &self.thread_nodes[&a].message();
|
|
let b = &self.thread_nodes[&b].message();
|
|
|
|
match (a, b) {
|
|
(Some(_), Some(_)) => {}
|
|
(Some(_), None) => {
|
|
return Ordering::Greater;
|
|
}
|
|
(None, Some(_)) => {
|
|
return Ordering::Less;
|
|
}
|
|
(None, None) => {
|
|
return Ordering::Equal;
|
|
}
|
|
}
|
|
let ma = &envelopes[&a.unwrap()];
|
|
let mb = &envelopes[&b.unwrap()];
|
|
#[cfg(feature = "unicode_algorithms")]
|
|
{
|
|
ma.subject()
|
|
.split_graphemes()
|
|
.cmp(&mb.subject().split_graphemes())
|
|
}
|
|
#[cfg(not(feature = "unicode_algorithms"))]
|
|
{
|
|
ma.subject().cmp(&mb.subject())
|
|
}
|
|
}
|
|
(SortField::Subject, SortOrder::Asc) => {
|
|
let a = &self.thread_nodes[&a].message();
|
|
let b = &self.thread_nodes[&b].message();
|
|
|
|
match (a, b) {
|
|
(Some(_), Some(_)) => {}
|
|
(Some(_), None) => {
|
|
return Ordering::Less;
|
|
}
|
|
(None, Some(_)) => {
|
|
return Ordering::Greater;
|
|
}
|
|
(None, None) => {
|
|
return Ordering::Equal;
|
|
}
|
|
}
|
|
let ma = &envelopes[&a.unwrap()];
|
|
let mb = &envelopes[&b.unwrap()];
|
|
#[cfg(feature = "unicode_algorithms")]
|
|
{
|
|
mb.subject()
|
|
.as_ref()
|
|
.split_graphemes()
|
|
.cmp(&ma.subject().split_graphemes())
|
|
}
|
|
|
|
#[cfg(not(feature = "unicode_algorithms"))]
|
|
{
|
|
mb.subject().as_ref().cmp(&ma.subject())
|
|
}
|
|
}
|
|
});
|
|
}
|
|
fn inner_sort_by(&self, sort: (SortField, SortOrder), envelopes: &Envelopes) {
|
|
let tree = &mut self.tree_index.borrow_mut();
|
|
let envelopes = envelopes.read().unwrap();
|
|
tree.sort_by(|a, b| match sort {
|
|
(SortField::Date, SortOrder::Desc) => {
|
|
let a = self.thread_ref(self.thread_nodes[&a].group).date();
|
|
let b = self.thread_ref(self.thread_nodes[&b].group).date();
|
|
b.cmp(&a)
|
|
}
|
|
(SortField::Date, SortOrder::Asc) => {
|
|
let a = self.thread_ref(self.thread_nodes[&a].group).date();
|
|
let b = self.thread_ref(self.thread_nodes[&b].group).date();
|
|
a.cmp(&b)
|
|
}
|
|
(SortField::Subject, SortOrder::Desc) => {
|
|
let a = &self.thread_nodes[&a].message();
|
|
let b = &self.thread_nodes[&b].message();
|
|
|
|
match (a, b) {
|
|
(Some(_), Some(_)) => {}
|
|
(Some(_), None) => {
|
|
return Ordering::Greater;
|
|
}
|
|
(None, Some(_)) => {
|
|
return Ordering::Less;
|
|
}
|
|
(None, None) => {
|
|
return Ordering::Equal;
|
|
}
|
|
}
|
|
let ma = &envelopes[&a.unwrap()];
|
|
let mb = &envelopes[&b.unwrap()];
|
|
#[cfg(feature = "unicode_algorithms")]
|
|
{
|
|
ma.subject()
|
|
.split_graphemes()
|
|
.cmp(&mb.subject().split_graphemes())
|
|
}
|
|
#[cfg(not(feature = "unicode_algorithms"))]
|
|
{
|
|
ma.subject().cmp(&mb.subject())
|
|
}
|
|
}
|
|
(SortField::Subject, SortOrder::Asc) => {
|
|
let a = &self.thread_nodes[&a].message();
|
|
let b = &self.thread_nodes[&b].message();
|
|
|
|
match (a, b) {
|
|
(Some(_), Some(_)) => {}
|
|
(Some(_), None) => {
|
|
return Ordering::Less;
|
|
}
|
|
(None, Some(_)) => {
|
|
return Ordering::Greater;
|
|
}
|
|
(None, None) => {
|
|
return Ordering::Equal;
|
|
}
|
|
}
|
|
let ma = &envelopes[&a.unwrap()];
|
|
let mb = &envelopes[&b.unwrap()];
|
|
#[cfg(feature = "unicode_algorithms")]
|
|
{
|
|
mb.subject()
|
|
.as_ref()
|
|
.split_graphemes()
|
|
.cmp(&ma.subject().split_graphemes())
|
|
}
|
|
|
|
#[cfg(not(feature = "unicode_algorithms"))]
|
|
{
|
|
mb.subject().as_ref().cmp(&ma.subject())
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
pub fn sort_by(
|
|
&self,
|
|
sort: (SortField, SortOrder),
|
|
subsort: (SortField, SortOrder),
|
|
envelopes: &Envelopes,
|
|
) {
|
|
if *self.sort.borrow() != sort {
|
|
self.inner_sort_by(sort, envelopes);
|
|
*self.sort.borrow_mut() = sort;
|
|
}
|
|
if *self.subsort.borrow() != subsort {
|
|
self.inner_subsort_by(subsort, envelopes);
|
|
*self.subsort.borrow_mut() = subsort;
|
|
}
|
|
}
|
|
|
|
pub fn thread_to_mail(&self, i: ThreadNodeHash) -> EnvelopeHash {
|
|
let thread = &self.thread_nodes[&i];
|
|
thread.message().unwrap()
|
|
}
|
|
|
|
pub fn thread_nodes(&self) -> &HashMap<ThreadNodeHash, ThreadNode> {
|
|
&self.thread_nodes
|
|
}
|
|
|
|
pub fn len(&self) -> usize {
|
|
self.hash_set.len()
|
|
}
|
|
|
|
pub fn root_len(&self) -> usize {
|
|
self.tree_index.borrow().len()
|
|
}
|
|
|
|
pub fn root_set(&self, idx: usize) -> ThreadNodeHash {
|
|
self.tree_index.borrow()[idx]
|
|
}
|
|
|
|
pub fn roots(&self) -> SmallVec<[ThreadHash; 1024]> {
|
|
//FIXME: refactor filter
|
|
self.groups
|
|
.iter()
|
|
.filter_map(|(h, g)| g.root().map(|_| *h))
|
|
.collect::<SmallVec<[ThreadHash; 1024]>>()
|
|
}
|
|
}
|
|
|
|
impl Index<&ThreadNodeHash> for Threads {
|
|
type Output = ThreadNode;
|
|
|
|
fn index(&self, index: &ThreadNodeHash) -> &ThreadNode {
|
|
self.thread_nodes.get(index).expect("thread node not found")
|
|
}
|
|
}
|
|
|
|
/*
|
|
fn print_threadnodes(
|
|
node_hash: ThreadNodeHash,
|
|
nodes: &HashMap<ThreadNodeHash, ThreadNode>,
|
|
envelopes: &Envelopes,
|
|
) {
|
|
fn help(
|
|
level: usize,
|
|
node_hash: ThreadNodeHash,
|
|
nodes: &HashMap<ThreadNodeHash, ThreadNode>,
|
|
envelopes: &Envelopes,
|
|
) {
|
|
eprint!("{}ThreadNode {}\n{}\tmessage: {}\n{}\tparent: {}\n{}\tthread_group: {}\n{}\tchildren (len: {}):\n",
|
|
"\t".repeat(level),
|
|
node_hash,
|
|
"\t".repeat(level),
|
|
nodes[&node_hash].message().as_ref().map(|m| format!("{} - {}\n{}\t\t{}", envelopes[m].message_id_display(), envelopes[m].subject(), "\t".repeat(level), envelopes[m].references().iter().map(ToString::to_string).collect::<Vec<String>>().join(", "))).unwrap_or_else(|| "None".to_string()),
|
|
"\t".repeat(level),
|
|
nodes[&node_hash].parent().as_ref().map(ToString::to_string).unwrap_or_else(|| "None".to_string()),
|
|
"\t".repeat(level),
|
|
nodes[&node_hash].thread_group,
|
|
"\t".repeat(level),
|
|
nodes[&node_hash].children.len(),
|
|
);
|
|
for c in &nodes[&node_hash].children {
|
|
help(level + 2, *c, nodes, envelopes);
|
|
}
|
|
}
|
|
help(0, node_hash, nodes, envelopes);
|
|
}
|
|
*/
|
|
|
|
#[derive(Serialize)]
|
|
struct Node {
|
|
id: String,
|
|
subject: String,
|
|
from: String,
|
|
to: String,
|
|
date: UnixTimestamp,
|
|
references: String,
|
|
in_reply_to: String,
|
|
}
|
|
|
|
#[derive(Serialize)]
|
|
struct Link {
|
|
source: String,
|
|
target: String,
|
|
}
|
|
|
|
#[derive(Serialize)]
|
|
struct Graph {
|
|
nodes: Vec<Node>,
|
|
links: Vec<Link>,
|
|
}
|
|
|
|
/*
|
|
fn save_graph(
|
|
node_arr: &[ThreadNodeHash],
|
|
nodes: &HashMap<ThreadNodeHash, ThreadNode>,
|
|
ids: &HashMap<ThreadNodeHash, Vec<u8>>,
|
|
envelopes: &Envelopes,
|
|
) {
|
|
let envelopes = envelopes.read().unwrap();
|
|
let mut graph = Graph {
|
|
nodes: vec![],
|
|
links: vec![],
|
|
};
|
|
let mut stack: SmallVec<[(ThreadNodeHash, String); 16]> = SmallVec::new();
|
|
for n in node_arr {
|
|
stack.extend(
|
|
nodes[n].children.iter().cloned().zip(
|
|
std::iter::repeat(unsafe { std::str::from_utf8_unchecked(&ids[n]) }.to_string())
|
|
.take(nodes[n].children.len()),
|
|
),
|
|
);
|
|
graph.nodes.push(Node {
|
|
id: unsafe { std::str::from_utf8_unchecked(&ids[n]).to_string() },
|
|
subject: nodes[n]
|
|
.message
|
|
.as_ref()
|
|
.map(|h| envelopes[h].subject().to_string())
|
|
.unwrap_or("missing".into()),
|
|
from: nodes[n]
|
|
.message
|
|
.as_ref()
|
|
.map(|h| envelopes[h].field_from_to_string())
|
|
.unwrap_or("missing".into()),
|
|
to: nodes[n]
|
|
.message
|
|
.as_ref()
|
|
.map(|h| envelopes[h].field_to_to_string())
|
|
.unwrap_or("missing".into()),
|
|
date: nodes[n]
|
|
.message
|
|
.as_ref()
|
|
.map(|h| envelopes[h].date())
|
|
.unwrap_or(0),
|
|
references: nodes[n]
|
|
.message
|
|
.as_ref()
|
|
.map(|h| envelopes[h].field_references_to_string())
|
|
.unwrap_or("missing".into()),
|
|
in_reply_to: nodes[n]
|
|
.message
|
|
.as_ref()
|
|
.and_then(|h| envelopes[h].in_reply_to())
|
|
.map(|h| h.to_string())
|
|
.unwrap_or("missing".into()),
|
|
});
|
|
while let Some((target, parent)) = stack.pop() {
|
|
graph.nodes.push(Node {
|
|
id: unsafe { std::str::from_utf8_unchecked(&ids[&target]).to_string() },
|
|
subject: nodes[&target]
|
|
.message
|
|
.as_ref()
|
|
.map(|h| envelopes[h].subject().to_string())
|
|
.unwrap_or("missing".into()),
|
|
from: nodes[&target]
|
|
.message
|
|
.as_ref()
|
|
.map(|h| envelopes[h].field_from_to_string())
|
|
.unwrap_or("missing".into()),
|
|
to: nodes[&target]
|
|
.message
|
|
.as_ref()
|
|
.map(|h| envelopes[h].field_to_to_string())
|
|
.unwrap_or("missing".into()),
|
|
date: nodes[&target]
|
|
.message
|
|
.as_ref()
|
|
.map(|h| envelopes[h].date())
|
|
.unwrap_or(0),
|
|
references: nodes[&target]
|
|
.message
|
|
.as_ref()
|
|
.map(|h| envelopes[h].field_references_to_string())
|
|
.unwrap_or("missing".into()),
|
|
in_reply_to: nodes[&target]
|
|
.message
|
|
.as_ref()
|
|
.and_then(|h| envelopes[h].in_reply_to())
|
|
.map(|h| h.to_string())
|
|
.unwrap_or("missing".into()),
|
|
});
|
|
graph.links.push(Link {
|
|
source: parent,
|
|
target: unsafe { std::str::from_utf8_unchecked(&ids[&target]).to_string() },
|
|
});
|
|
|
|
stack.extend(
|
|
nodes[&target].children.iter().cloned().zip(
|
|
std::iter::repeat(
|
|
unsafe { std::str::from_utf8_unchecked(&ids[&target]) }.to_string(),
|
|
)
|
|
.take(nodes[&target].children.len()),
|
|
),
|
|
);
|
|
}
|
|
let s = serde_json::to_string(&graph).unwrap();
|
|
use std::fs::File;
|
|
use std::io::prelude::*;
|
|
|
|
let mut file = File::create(format!(
|
|
"/tmp/meli/threads/threads_{}.json",
|
|
crate::datetime::now()
|
|
))
|
|
.unwrap();
|
|
file.write_all(s.as_bytes()).unwrap();
|
|
}
|
|
}
|
|
*/
|