1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
use std::cmp::Reverse;
use std::path::PathBuf;
use log::warn;
use protobuf::Message as _;
use crate::cmd::open_submaildir;
use crate::error::Result;
use crate::pb3::jwebmail::{ListMailHeader, ListReq, ListResp, MailHeader};
use crate::rfc822::me_to_lmh;
fn from_or_sender(mh: &MailHeader) -> &str {
if mh.written_from.is_empty() {
warn!("mail without from");
panic!()
}
if mh.written_from.len() == 1 {
&mh.written_from[0].address
} else {
&mh.sender.as_ref().unwrap().address
}
}
fn mid_to_rec_time(mid: &str) -> f64 {
let Some(dec) = mid.find('.') else {
warn!("Invaild mail-id {}", mid);
return 0.0;
};
let Some(sep) = mid[dec + 1..].find('.') else {
return 0.0;
};
mid[..dec + 1 + sep]
.parse()
.or_else(|_| mid[..dec].parse())
.unwrap_or(0.0)
}
fn sort_by_and_take(
mut entries: Vec<maildir::MailEntry>,
sortby: &str,
s: usize,
e: usize,
) -> Vec<ListMailHeader> {
match sortby {
"date" => {
entries.sort_by(|a, b| {
mid_to_rec_time(a.id())
.partial_cmp(&mid_to_rec_time(b.id()))
.unwrap()
});
entries
.drain(s..e)
.filter_map(|me| me_to_lmh(me).map_err(|e| warn!("{}", e)).ok())
.collect()
}
"!date" => {
entries.sort_by(|b, a| {
mid_to_rec_time(a.id())
.partial_cmp(&mid_to_rec_time(b.id()))
.unwrap()
});
entries
.drain(s..e)
.filter_map(|me| me_to_lmh(me).map_err(|e| warn!("{}", e)).ok())
.collect()
}
"size" => {
entries.sort_by_cached_key(|a| a.path().metadata().map_or(0, |m| m.len()));
entries
.drain(s..e)
.filter_map(|me| me_to_lmh(me).map_err(|e| warn!("{}", e)).ok())
.collect()
}
"!size" => {
entries.sort_by_cached_key(|a| Reverse(a.path().metadata().map_or(0, |m| m.len())));
entries
.drain(s..e)
.filter_map(|me| me_to_lmh(me).map_err(|e| warn!("{}", e)).ok())
.collect()
}
"subject" | "!subject" => {
let mut x: Vec<ListMailHeader> = entries
.drain(..)
.filter_map(|me| me_to_lmh(me).map_err(|e| warn!("{}", e)).ok())
.collect();
if sortby.as_bytes().first().copied() == Some(b'!') {
x.sort_by(|a, b| a.header.subject.cmp(&b.header.subject))
} else {
x.sort_by(|b, a| a.header.subject.cmp(&b.header.subject))
}
x.drain(s..e).collect()
}
"sender" | "!sender" => {
let mut x: Vec<ListMailHeader> = entries
.drain(..)
.filter_map(|me| me_to_lmh(me).map_err(|e| warn!("{}", e)).ok())
.collect();
if sortby.as_bytes().first().copied() != Some(b'!') {
x.sort_by(|a, b| from_or_sender(&a.header).cmp(from_or_sender(&b.header)))
} else {
x.sort_by(|b, a| from_or_sender(&a.header).cmp(from_or_sender(&b.header)))
}
x.drain(s..e).collect()
}
_ => todo!(),
}
}
pub fn list(path: PathBuf, req: &[u8]) -> Result<Vec<u8>> {
let r = ListReq::parse_from_bytes(req)?;
let md = open_submaildir(path, &r.folder);
for r in md.list_new() {
match r {
Err(e) => warn!("{}", e),
Ok(me) => {
if let Err(e) = md.move_new_to_cur(me.id()) {
warn!("{}", e);
}
}
};
}
let a: Vec<_> = md.list_cur().filter_map(std::result::Result::ok).collect();
let start = std::cmp::min(a.len(), r.start as usize);
let end = std::cmp::min(a.len(), r.end as usize);
let mut resp = ListResp::new();
resp.mail_heads = sort_by_and_take(a, &r.sort, start, end);
resp.write_to_bytes().map_err(|e| e.into())
}
|
