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
pub mod db;
mod fingerprint;
use db::Repository;
use std::error::Error;
use std::path::Path;
pub struct MusicLibrary<T>
where
T: Repository,
{
repo: T,
}
impl<T> MusicLibrary<T>
where
T: Repository,
{
pub fn add(&self, filename: &str) -> Result<(), Box<Error>> {
let hash_array = fingerprint::calc_fingerprint(filename)?;
let song = match Path::new(filename).file_stem() {
Some(stem) => match stem.to_str() {
Some(stem_str) => stem_str,
None => return Err(Box::from(format!("can't convert {:?} to str", stem))),
},
None => return Err(Box::from("filename is empty")),
};
self.repo.index(song, &hash_array)
}
pub fn recognize(&self, filename: &str) -> Result<String, Box<Error>> {
let hash_array = fingerprint::calc_fingerprint(filename)?;
match self.repo.find(&hash_array) {
Ok(opt) => match opt {
Some(res) => Ok(res),
None => Ok(String::from("No matchings")),
},
Err(e) => Err(Box::from(e)),
}
}
}
#[cfg(test)]
mod tests {}