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use std::ffi::OsStr;
use std::path::Path;
use mpd::Song;
use crate::{app::AppResult, connection::Connection};
#[derive(Debug)]
pub struct FileBrowser {
pub filetree: Vec<(String, String)>,
pub selected: usize,
pub prev_selected: usize,
pub path: String,
pub prev_path: String,
pub songs: Vec<Song>,
}
// https://stackoverflow.com/questions/72392835/check-if-a-file-is-of-a-given-type
pub trait FileExtension {
fn has_extension<S: AsRef<str>>(&self, extensions: &[S]) -> bool;
}
impl<P: AsRef<Path>> FileExtension for P {
fn has_extension<S: AsRef<str>>(&self, extensions: &[S]) -> bool {
if let Some(ref extension) = self.as_ref().extension().and_then(OsStr::to_str) {
return extensions
.iter()
.any(|x| x.as_ref().eq_ignore_ascii_case(extension));
}
false
}
}
impl FileBrowser {
pub fn new() -> FileBrowser {
FileBrowser {
filetree: Vec::new(),
selected: 0,
prev_selected: 0,
path: ".".to_string(),
prev_path: ".".to_string(),
songs: vec![],
}
}
pub fn update_directory(&mut self, conn: &mut Connection) -> AppResult<()> {
self.filetree.clear();
self.filetree = conn
.conn
.listfiles(self.path.as_str())?
.into_iter()
.filter(|(f, l)| {
f == "directory"
|| f == "file" && Path::new(l).has_extension(&["mp3", "ogg", "flac", "m4a", "wav", "aac" ,"opus", "ape", "wma", "mpc", "aiff", "dff", "mp2", "mka"])
})
.collect::<Vec<(String, String)>>();
self.songs.clear();
for (t, song) in self.filetree.iter() {
if t == "file" {
let v = conn
.conn
.lsinfo(Song {
file: conn
.get_full_path(song)
.unwrap_or_else(|| "Not a song".to_string()),
..Default::default()
})
.unwrap_or_else(|_| {
vec![Song {
file: "Not a song".to_string(),
..Default::default()
}]
});
self.songs.push(v.get(0).unwrap().clone());
} else {
let v = Song {
file: "".to_string(),
..Default::default()
};
self.songs.push(v);
}
}
Ok(())
}
// Go to next item in filetree
pub fn next(&mut self) {
// if self.selected < self.filetree.len() - 1 {
// self.selected += 1;
// }
if self.selected == self.filetree.len() - 1 {
self.selected = 0;
} else {
self.selected += 1;
}
}
/// Go to previous item in filetree
pub fn prev(&mut self) {
if self.selected == 0 {
self.selected = self.filetree.len() - 1;
} else {
self.selected -= 1;
}
}
pub fn handle_go_back(&mut self, conn: &mut Connection) -> AppResult<()> {
if self.prev_path != "." {
let r = self.path.rfind("/").unwrap();
self.path = self.path.as_str()[..r].to_string();
self.update_directory(conn)?;
} else {
self.path = self.prev_path.clone();
self.update_directory(conn)?;
}
self.selected = self.prev_selected;
Ok(())
}
}
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