Metadata state management

theseus/src/lib.rs

@@ -5,6 +5,33 @@
 
 #![warn(missing_docs, unused_import_braces, missing_debug_implementations)]
 
+use std::path::Path;
+use std::time::Duration;
+
+lazy_static::lazy_static! {
+    pub static ref LAUNCHER_WORK_DIR: &'static Path = Path::new("./launcher");
+}
+
 pub mod launcher;
+mod meta;
 pub mod modpack;
 mod util;
+
+#[derive(thiserror::Error, Debug)]
+pub enum Error {
+    #[error("Launcher error: {0}")]
+    LauncherError(#[from] launcher::LauncherError),
+
+    #[error("Modpack error: {0}")]
+    ModpackError(#[from] modpack::ModpackError),
+
+    #[error("Meta error: {0}")]
+    DaedalusError(#[from] meta::MetaError),
+}
+
+pub async fn init() -> Result<(), Error> {
+    std::fs::create_dir_all(*LAUNCHER_WORK_DIR).expect("Unable to create launcher root directory!");
+    crate::meta::Metadata::init().await?;
+
+    Ok(())
+}