89 lines
No EOL
2.3 KiB
Rust
89 lines
No EOL
2.3 KiB
Rust
use std::path::PathBuf;
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use tokio::sync::OnceCell;
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use crate::{utils, LauncherResult};
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use super::Core;
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/// The static [`OnceCell<RwLock<Dirs>>`] for storing the global directory state.
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/// Should be initialized as soon as possible (preferably before logging)
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static DIRS_GLOBAL: OnceCell<Dirs> = OnceCell::const_new();
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pub struct Dirs {
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base_dir: PathBuf,
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}
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#[derive(Debug, thiserror::Error)]
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pub enum DirectoryError {
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#[error("Failed to get the base directory for the launcher.")]
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BaseDir,
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}
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impl Dirs {
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pub async fn get() -> LauncherResult<&'static Self> {
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DIRS_GLOBAL.get_or_try_init(async || {
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Self::initialize()
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}).await
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}
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fn initialize() -> LauncherResult<Self> {
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let base_dir = utils::io::env_path("LAUNCHER_DIR")
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.or_else(|| Some(dirs::data_dir()?.join(Core::get().launcher_name.clone())))
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.ok_or(DirectoryError::BaseDir)?;
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Ok(Self {
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base_dir
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})
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}
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/// Get the base directory for the launcher.
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#[must_use]
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pub const fn base_dir(&self) -> &PathBuf {
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&self.base_dir
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}
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}
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macro_rules! dirs_impl {
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($($name:ident => |$self:ident| $path:expr),*$(,)?) => {
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paste::paste! {
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impl Dirs {
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$(
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#[must_use]
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pub fn $name(&self) -> PathBuf {
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let $self = self;
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$path
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}
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pub async fn [<get _ $name>]() -> LauncherResult<PathBuf> {
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Dirs::get().await.map(|$self| {
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$self.$name()
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})
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}
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)*
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}
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}
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};
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}
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dirs_impl! {
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db_file => |this| this.base_dir.join("user_data.db"),
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settings_file => |this| this.base_dir.join("settings.json"),
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auth_file => |this| this.base_dir.join("auth.json"),
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launcher_logs_dir => |this| this.base_dir.join("logs"),
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clusters_dir => |this| this.base_dir.join("clusters"),
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metadata_dir => |this| this.base_dir.join("metadata"),
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versions_dir => |this| this.metadata_dir().join("versions"),
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libraries_dir => |this| this.metadata_dir().join("libraries"),
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natives_dir => |this| this.metadata_dir().join("natives"),
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java_dir => |this| this.metadata_dir().join("java"),
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caches_dir => |this| this.metadata_dir().join("caches"),
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assets_dir => |this| this.metadata_dir().join("assets"),
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legacy_assets_dir => |this| this.metadata_dir().join("resources"),
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assets_index_dir => |this| this.assets_dir().join("indexes"),
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assets_object_dir => |this| this.assets_dir().join("objects"),
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} |