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89 lines
2.4 KiB
Rust
89 lines
2.4 KiB
Rust
use crate::app::{DirectoryBuffer, ExplorerConfig, ExternalMsg, InternalMsg, MsgIn, Node, Task};
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use anyhow::Result;
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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_sync(
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config: ExplorerConfig,
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parent: String,
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focused_path: Option<String>,
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) -> Result<DirectoryBuffer> {
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let path = PathBuf::from(&parent);
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let dirs = fs::read_dir(&path)?;
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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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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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Ok(DirectoryBuffer::new(parent, nodes, focus_index))
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}
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pub fn explore_async(
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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_msg_in: Sender<Task>,
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) {
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thread::spawn(move || {
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explore_sync(config, parent.clone(), focused_path)
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.map(|buf| {
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tx_msg_in
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.send(Task::new(
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MsgIn::Internal(InternalMsg::AddDirectory(parent.clone(), buf)),
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None,
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))
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.unwrap_or_default();
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})
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.unwrap_or_else(|e| {
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tx_msg_in
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.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_or_default();
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})
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});
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}
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pub fn explore_recursive_async(
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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_msg_in: Sender<Task>,
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) {
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let path = PathBuf::from(&parent);
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explore_async(config.clone(), parent, focused_path, tx_msg_in.clone());
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if let Some(grand_parent) = path.parent() {
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explore_recursive_async(
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config,
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grand_parent.to_string_lossy().to_string(),
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path.file_name().map(|f| f.to_string_lossy().to_string()),
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tx_msg_in,
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);
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}
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}
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