forked from 1b-agent/opencadstudio-upstream
Hakan SevenandClaude Opus 5.5
eae5662099
Tests resolved the real per-user config dir. When the alias table version moved, parallel tests migrated and rewrote the user's alias file concurrently and one left it holding a single alias. Under test, config_dir() is a per-process temp folder and the alias table comes from the shipped defaults with no file I/O. Co-Authored-By: Claude Opus 5.5 <[email protected]>
87 lines
3.4 KiB
Rust
87 lines
3.4 KiB
Rust
//! Shared per-user config directory used by the small settings stores (recent
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//! files, status-bar layout, ribbon collapse mode, …). Everything lives under
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//! `<platform-config>/OpenCADStudio` so the app keeps a single tidy folder.
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#[cfg(not(target_arch = "wasm32"))]
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use std::path::PathBuf;
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/// The OpenCADStudio config directory (not created). `None` when the platform
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/// config base can't be resolved (e.g. no `HOME`). Callers `join` their own
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/// file name onto it and `create_dir_all` its parent before writing.
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#[cfg(not(target_arch = "wasm32"))]
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pub fn config_dir() -> Option<PathBuf> {
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// Tests must never read or write the person's real settings: a test run
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// once raced dozens of tests through an alias-table migration and left the
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// user's alias file holding a single line. Every store routes through here,
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// so one per-process scratch folder isolates them all.
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if cfg!(test) {
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return Some(std::env::temp_dir().join(format!("ocs-test-config-{}", std::process::id())));
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}
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let base: PathBuf = if cfg!(target_os = "windows") {
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std::env::var_os("APPDATA").map(PathBuf::from)?
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} else if cfg!(target_os = "macos") {
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let home = std::env::var_os("HOME")?;
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let mut p = PathBuf::from(home);
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p.push("Library");
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p.push("Application Support");
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p
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} else if let Some(d) = std::env::var_os("XDG_CONFIG_HOME") {
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PathBuf::from(d)
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} else {
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let home = std::env::var_os("HOME")?;
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let mut p = PathBuf::from(home);
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p.push(".config");
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p
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};
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let mut p = base;
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p.push("OpenCADStudio");
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Some(p)
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}
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// ── Last file-dialog directory ───────────────────────────────────────────────
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#[cfg(not(target_arch = "wasm32"))]
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use std::path::Path;
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#[cfg(not(target_arch = "wasm32"))]
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use std::sync::{Mutex, OnceLock};
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#[cfg(not(target_arch = "wasm32"))]
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fn last_dir_store() -> &'static Mutex<Option<PathBuf>> {
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static STORE: OnceLock<Mutex<Option<PathBuf>>> = OnceLock::new();
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STORE.get_or_init(|| {
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// Seed from the persisted value; discard it if the folder is gone.
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let loaded = config_dir()
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.map(|d| d.join("last_dir.txt"))
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.and_then(|f| std::fs::read_to_string(f).ok())
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.map(|s| PathBuf::from(s.trim()))
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.filter(|p| p.is_dir());
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Mutex::new(loaded)
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})
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}
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/// The directory the last file dialog picked or saved into, if it still
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/// exists — used to seed the next dialog so pickers reopen where the user
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/// left off. Persisted across runs.
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#[cfg(not(target_arch = "wasm32"))]
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pub fn last_dialog_dir() -> Option<PathBuf> {
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last_dir_store().lock().ok()?.clone().filter(|p| p.is_dir())
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}
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/// Record the directory of a path a file dialog just returned.
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#[cfg(not(target_arch = "wasm32"))]
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pub fn remember_dialog_dir(file_path: &Path) {
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let Some(dir) = file_path.parent().filter(|d| d.is_dir()) else {
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return;
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};
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if let Ok(mut store) = last_dir_store().lock() {
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if store.as_deref() == Some(dir) {
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return; // unchanged — skip the disk write
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}
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*store = Some(dir.to_path_buf());
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}
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if let Some(cfg) = config_dir() {
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let _ = std::fs::create_dir_all(&cfg);
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let _ = std::fs::write(cfg.join("last_dir.txt"), dir.display().to_string());
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}
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}
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