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use crate::{app::AppResult, connection::Connection, song::RSong};
#[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 rsongs: Vec<Option<RSong>>,
}
impl FileBrowser {
pub fn new() -> FileBrowser {
FileBrowser {
filetree: Vec::new(),
selected: 0,
prev_selected: 0,
path: ".".to_string(),
prev_path: ".".to_string(),
rsongs: Vec::new(),
}
}
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, _)| f == "directory" || f == "file")
.collect::<Vec<(String, String)>>();
Ok(())
}
// read all songs into a vec of RSongs
pub fn get_all_rsongs(&mut self, conn: &mut Connection) -> AppResult<Vec<Option<RSong>>> {
for (t, s) in self.filetree.iter() {
if t == "file" {
let s = conn.get_full_path(s)?;
let s = RSong::new(&mut conn.conn, s);
self.rsongs.push(Some(s));
} else if t == "directory" {
self.rsongs.push(None)
}
}
Ok(self.rsongs.clone())
}
// 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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