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