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https://github.com/FliegendeWurst/inboxid.git
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browse: take the thread view from list
This commit is contained in:
FliegendeWurst
Arne Keller
parent
f264b7230d
commit
6d59a24cd4
128
src/bin/browse.rs
Normal file
128
src/bin/browse.rs
Normal file
@ -0,0 +1,128 @@
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use std::{array::IntoIter, cell::RefCell, cmp, collections::{HashMap, HashSet}, env};
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use inboxid::*;
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use itertools::Itertools;
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use mailparse::ParsedMail;
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use petgraph::{EdgeDirection, graph::{DiGraph, NodeIndex}, visit::{Dfs, IntoNodeReferences}};
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fn main() -> Result<()> {
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let args = env::args().collect_vec();
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if args.len() > 1 {
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show_listing(&args[1])
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} else {
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show_listing("INBOX")
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}
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}
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fn show_listing(mailbox: &str) -> Result<()> {
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let maildir = get_maildir(mailbox)?;
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let mut mails = Vec::new();
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for x in maildir.list_cur() {
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mails.push(x?);
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}
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let mut mails = maildir.get_mails(&mut mails)?;
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mails.sort_by_key(|x| x.date);
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let mut rows = Vec::new();
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for (i, mail) in mails.iter().enumerate() {
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let flags = &mail.flags;
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let mut flags_display = String::new();
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if flags.contains('F') {
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flags_display.push('+');
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}
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if flags.contains('R') {
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flags_display.push('R');
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}
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if flags.contains('S') {
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flags_display.push(' ');
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} else {
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flags_display.push('*');
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}
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rows.push(IntoIter::new([(mails.len() - i).to_string(), flags_display, mail.from.clone(), mail.subject.clone(), mail.date_iso.clone()]));
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}
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let mut mails_by_id = HashMap::new();
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let mut threads: HashMap<_, Vec<_>> = HashMap::new();
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for mail in &mails {
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let mid = mail.get_header("Message-ID");
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threads.entry(mid.clone()).or_default().push(mail);
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if mails_by_id.insert(mid, mail).is_some() {
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println!("error: missing/duplicate Message-ID");
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return Ok(());
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}
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for value in mail.get_header_values("References") {
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for mid in value.split(' ').map(ToOwned::to_owned) {
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threads.entry(mid).or_default().push(mail);
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}
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}
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for value in mail.get_header_values("In-Reply-To") {
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for mid in value.split(' ').map(ToOwned::to_owned) {
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threads.entry(mid).or_default().push(mail);
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}
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}
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}
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let mut threads = threads.into_iter().collect_vec();
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threads.sort_unstable_by_key(|(_, mails)| mails.len());
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threads.reverse();
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let mut graph = DiGraph::new();
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let mut nodes = HashMap::new();
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let mut nodes_inv = HashMap::new();
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for mail in &mails {
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let node = graph.add_node(mail);
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nodes.insert(mail, node);
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nodes_inv.insert(node, mail);
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}
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for mail in &mails {
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for value in mail.get_header_values("In-Reply-To") {
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for mid in value.split(' ').map(ToOwned::to_owned) {
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if let Some(other_mail) = mails_by_id.get(&mid) {
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graph.add_edge(nodes[other_mail], nodes[mail], ());
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} else {
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let pseudomail = Box::leak(Box::new(EasyMail::new_pseudo(mid.clone())));
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let node = graph.add_node(pseudomail);
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nodes.insert(pseudomail, node);
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nodes_inv.insert(node, pseudomail);
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graph.add_edge(node, nodes[mail], ());
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mails_by_id.insert(mid, pseudomail);
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}
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}
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}
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}
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let mut roots = graph.node_references().filter(|x| graph.neighbors_directed(x.0, EdgeDirection::Incoming).count() == 0).collect_vec();
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roots.sort_unstable_by_key(|x| x.1.date);
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let mails_printed = RefCell::new(HashSet::new());
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// recursive lambda
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struct PrintThread<'a> {
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f: &'a dyn Fn(&PrintThread, NodeIndex, usize)
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}
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let print_thread = |this: &PrintThread, node, depth| {
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let mail = nodes_inv[&node];
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if mails_printed.borrow().contains(mail) && depth == 0 {
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return;
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}
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println!("{}{}", " ".repeat(depth), mail.subject);
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mails_printed.borrow_mut().insert(mail);
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let mut replies = graph.neighbors_directed(node, EdgeDirection::Outgoing).collect_vec();
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replies.sort_unstable_by_key(|&idx| {
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let mut maximum = &nodes_inv[&idx].date;
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let mut dfs = Dfs::new(&graph, idx);
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while let Some(idx) = dfs.next(&graph) {
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let other = nodes_inv[&idx];
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maximum = cmp::max(maximum, &other.date);
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}
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maximum
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});
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for r in replies {
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(this.f)(this, r, depth + 1);
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}
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};
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let print_thread = PrintThread { f: &print_thread };
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for root in roots {
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(print_thread.f)(&print_thread, root.0, 0);
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}
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Ok(())
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}
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@ -1,10 +1,9 @@
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use std::{array::IntoIter, cell::RefCell, cmp, collections::{HashMap, HashSet}, env, fs};
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use std::{array::IntoIter, collections::HashSet, env, fs};
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use ascii_table::{Align, AsciiTable, Column};
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use inboxid::*;
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use itertools::Itertools;
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use mailparse::ParsedMail;
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use petgraph::{EdgeDirection, dot::Dot, graph::{DiGraph, NodeIndex}, visit::{Dfs, IntoNodeReferences, Walker}};
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use rustyline::{Editor, error::ReadlineError};
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fn main() -> Result<()> {
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@ -44,87 +43,6 @@ fn show_listing(mailbox: &str) -> Result<()> {
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rows.push(IntoIter::new([(mails.len() - i).to_string(), flags_display, mail.from.clone(), mail.subject.clone(), mail.date_iso.clone()]));
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}
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let mut mails_by_id = HashMap::new();
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let mut threads: HashMap<_, Vec<_>> = HashMap::new();
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for mail in &mails {
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let mid = mail.get_header("Message-ID");
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threads.entry(mid.clone()).or_default().push(mail);
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if mails_by_id.insert(mid, mail).is_some() {
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println!("error: missing/duplicate Message-ID");
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return Ok(());
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}
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for value in mail.get_header_values("References") {
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for mid in value.split(' ').map(ToOwned::to_owned) {
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threads.entry(mid).or_default().push(mail);
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}
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}
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for value in mail.get_header_values("In-Reply-To") {
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for mid in value.split(' ').map(ToOwned::to_owned) {
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threads.entry(mid).or_default().push(mail);
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}
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}
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}
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let mut threads = threads.into_iter().collect_vec();
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threads.sort_unstable_by_key(|(_, mails)| mails.len());
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threads.reverse();
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let mut graph = DiGraph::new();
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let mut nodes = HashMap::new();
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let mut nodes_inv = HashMap::new();
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for mail in &mails {
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let node = graph.add_node(mail);
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nodes.insert(mail, node);
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nodes_inv.insert(node, mail);
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}
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for mail in &mails {
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for value in mail.get_header_values("In-Reply-To") {
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for mid in value.split(' ').map(ToOwned::to_owned) {
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if let Some(other_mail) = mails_by_id.get(&mid) {
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graph.add_edge(nodes[other_mail], nodes[mail], ());
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} else {
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let pseudomail = Box::leak(Box::new(EasyMail::new_pseudo(mid.clone())));
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let node = graph.add_node(pseudomail);
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nodes.insert(pseudomail, node);
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nodes_inv.insert(node, pseudomail);
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graph.add_edge(node, nodes[mail], ());
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mails_by_id.insert(mid, pseudomail);
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}
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}
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}
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}
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let mut roots = graph.node_references().filter(|x| graph.neighbors_directed(x.0, EdgeDirection::Incoming).count() == 0).collect_vec();
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roots.sort_unstable_by_key(|x| x.1.date);
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let mails_printed = RefCell::new(HashSet::new());
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struct PrintThread<'a> {
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f: &'a dyn Fn(&PrintThread, NodeIndex, usize)
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}
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let print_thread = |this: &PrintThread, node, depth| {
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let mail = nodes_inv[&node];
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if mails_printed.borrow().contains(mail) && depth == 0 {
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return;
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}
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println!("{}{}", " ".repeat(depth), mail.subject);
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mails_printed.borrow_mut().insert(mail);
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let mut replies = graph.neighbors_directed(node, EdgeDirection::Outgoing).collect_vec();
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replies.sort_unstable_by_key(|&idx| {
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let mut maximum = &nodes_inv[&idx].date;
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let mut dfs = Dfs::new(&graph, idx);
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while let Some(idx) = dfs.next(&graph) {
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let other = nodes_inv[&idx];
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maximum = cmp::max(maximum, &other.date);
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}
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maximum
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});
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for r in replies {
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(this.f)(this, r, depth + 1);
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}
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};
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let print_thread = PrintThread { f: &print_thread };
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for root in roots {
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(print_thread.f)(&print_thread, root.0, 0);
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}
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let mut ascii_table = AsciiTable::default();
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ascii_table.draw_lines = false;
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ascii_table.max_width = usize::MAX;
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