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xplr/src/explorer.rs

75 lines
2.2 KiB
Rust

use crate::app::{DirectoryBuffer, ExplorerConfig, ExternalMsg, InternalMsg, MsgIn, Node, Task};
use std::fs;
use std::path::PathBuf;
use std::sync::mpsc::Sender;
use std::thread;
pub fn explore(
config: ExplorerConfig,
parent: String,
focused_path: Option<String>,
tx: Sender<Task>,
) {
let path = PathBuf::from(&parent);
let path_cloned = path.clone();
let tx_cloned = tx.clone();
let config_cloned = config.clone();
thread::spawn(move || {
fs::read_dir(&path)
.map(|dirs| {
dirs.filter_map(|d| {
d.ok().map(|e| {
e.path()
.file_name()
.map(|n| n.to_string_lossy().to_string())
.unwrap_or_default()
})
})
.map(|name| Node::new(parent.clone(), name))
.filter(|n| config.apply(n))
.collect::<Vec<Node>>()
})
.map(|nodes| {
let focus_index = if let Some(focus) = focused_path {
nodes
.iter()
.enumerate()
.find(|(_, n)| n.relative_path == focus)
.map(|(i, _)| i)
.unwrap_or(0)
} else {
0
};
let dir = DirectoryBuffer::new(parent.clone(), nodes, focus_index);
tx.send(Task::new(
1,
MsgIn::Internal(InternalMsg::AddDirectory(parent, dir)),
None,
))
.unwrap();
})
.unwrap_or_else(|e| {
tx.send(Task::new(
1,
MsgIn::External(ExternalMsg::LogError(e.to_string())),
None,
))
.unwrap();
})
});
if let Some(grand_parent) = path_cloned.parent() {
explore(
config_cloned,
grand_parent.to_string_lossy().to_string(),
path_cloned
.file_name()
.map(|f| f.to_string_lossy().to_string()),
tx_cloned,
);
}
}