~llndqvst/notmuch-mvrs

ref: c9d0f1aff772878fe2ad5f312aa0bc0f2f752079 notmuch-mvrs/src/movers/mbsync.rs -rw-r--r-- 5.7 KiB
c9d0f1afLukas Lindqvist Fix formating 8 months ago
                                                                                
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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
use std::collections::VecDeque;
use std::ffi::{OsStr, OsString};
use std::fs::rename;
use std::path::PathBuf;

use crate::Mover;

pub struct Mbsync {
    target_path: PathBuf,
    original_files: VecDeque<PathBuf>,
    moved: i32,
}

impl Mbsync {
    fn strip_uid(s: &OsStr) -> PathBuf {
        let mut buf = OsString::new();
        let file_name_str = s.to_str().unwrap();

        fn is_uid(s: &str, search: &str) -> bool {
            let mut s_trunc = String::from(s);
            s_trunc.truncate(2);
            return s_trunc.eq(search);
        }

        let mut tags: Vec<&str> = file_name_str.split(',').collect();

        match tags.iter().rposition(|&r| is_uid(r, "U=")) {
            Some(x) => {
                tags.remove(x);
                buf.push(tags.join(","));
                PathBuf::from(buf)
            }
            None => PathBuf::from(s),
        }
    }

    fn get_rename_pair(&self, from: PathBuf) -> (PathBuf, PathBuf) {
        let new_name: PathBuf = Mbsync::strip_uid(from.file_name().unwrap());
        let mut f = from.clone();
        if f.pop() {
            let maildir_parent = f.file_name().unwrap();
            println!(
                "target: {}, maildir_parent: {}",
                self.target_path.to_str().unwrap(),
                maildir_parent.to_str().unwrap()
            );
            (from, self.target_path.join(maildir_parent).join(new_name))
        } else {
            println!("target: {}, ", self.target_path.to_str().unwrap());
            (from, self.target_path.join(new_name))
        }
    }
}

impl Mover<PathBuf> for Mbsync {
    fn new(p: PathBuf) -> Self {
        Mbsync {
            original_files: VecDeque::new(),
            target_path: p,
            moved: i32::from(0),
        }
    }

    fn rename(&mut self) -> Result<i32, &str> {
        while let Some(y) = self.original_files.pop_front() {
            let (from, to): (PathBuf, PathBuf) = self.get_rename_pair(y);
            let ct = to.clone();
            println!("{} -> {}", from.to_str().unwrap(), to.to_str().unwrap());
            match rename(from, to) {
                Ok(_) => self.moved = self.moved + 1,
                Err(e) => eprintln!("{}, {}", ct.to_str().unwrap(), e.to_string()),
            }
        }
        Ok(self.moved)
    }

    fn dry_rename(&mut self) -> Result<i32, &str> {
        while let Some(y) = self.original_files.pop_front() {
            let (from, to): (PathBuf, PathBuf) = self.get_rename_pair(y);
            match from.eq(&to) {
                true => println!(
                    "{}: already at desired location. Skipping",
                    from.to_str().unwrap()
                ),
                false => {
                    self.moved = self.moved + 1;
                    println!("{} -> {}", from.to_str().unwrap(), to.to_str().unwrap())
                }
            };
        }
        Ok(self.moved)
    }

    fn add_file_path(&mut self, p: PathBuf) {
        self.original_files.push_back(p);
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use std::ffi::OsStr;

    #[test]
    fn internal_strip_uid() {
        assert_eq!(
            Mbsync::strip_uid(OsStr::new("test,U=1")),
            PathBuf::from("test")
        );
        assert_eq!(
            Mbsync::strip_uid(OsStr::new("test,U=10,S")),
            PathBuf::from("test,S")
        );
        assert_eq!(Mbsync::strip_uid(OsStr::new("test")), PathBuf::from("test"));
        assert_eq!(
            Mbsync::strip_uid(OsStr::new("test,U=1:2,S")),
            PathBuf::from("test,S")
        );
        assert_ne!(
            Mbsync::strip_uid(OsStr::new("test,U=1:2,s")),
            PathBuf::from("test,U=1:2,s")
        );
    }

    #[test]
    fn internal_get_rename_pair() {
        let p = PathBuf::from("test");
        let mut files: Mbsync = Mover::new(PathBuf::from("test"));

        let f1 = PathBuf::from("test1");
        let f2 = PathBuf::from("test,S");
        let f3 = PathBuf::from("test,S");
        let f4 = PathBuf::from("test4");

        files.add_file_path(PathBuf::from("test1"));
        files.add_file_path(PathBuf::from("test,U=10,S"));
        files.add_file_path(PathBuf::from("test,U=1:2,S"));
        files.add_file_path(PathBuf::from("test4"));

        {
            let fof = files.original_files.pop_front();
            let (a, b): (PathBuf, PathBuf) = files.get_rename_pair(fof.unwrap());
            assert_eq!(f1, a);
            assert_eq!(p.join(f1), b);
        }

        {
            let fof = files.original_files.pop_front();
            let (a, b): (PathBuf, PathBuf) = files.get_rename_pair(fof.unwrap());
            assert_eq!(PathBuf::from("test,U=10,S"), a);
            assert_eq!(p.join(f2), b);
        }

        {
            let fof = files.original_files.pop_front();
            let (a, b): (PathBuf, PathBuf) = files.get_rename_pair(fof.unwrap());
            assert_eq!(PathBuf::from("test,U=1:2,S"), a);
            assert_eq!(p.join(f3), b);
        }

        {
            let fof = files.original_files.pop_front();
            let (a, b): (PathBuf, PathBuf) = files.get_rename_pair(fof.unwrap());
            assert_eq!(f4, a);
            assert_eq!(p.join(f4), b);
        }
    }

    #[test]
    fn new() {
        let files: Mbsync = Mover::new(PathBuf::from("test"));

        assert_eq!(files.target_path, PathBuf::from("test"));
    }

    #[test]
    fn dry_rename() {
        let mut files: Mbsync = Mover::new(PathBuf::from("test"));
        // let file1: PathBuf = PathBuf
        files.add_file_path(PathBuf::from("test1"));
        files.add_file_path(PathBuf::from("test2"));
        files.add_file_path(PathBuf::from("test3"));
        files.add_file_path(PathBuf::from("test4"));

        assert_eq!(files.dry_rename().unwrap(), i32::from(4));
    }
}