Moved the db

src/main.rs

@@ -7,11 +7,23 @@ mod tui;
 
 use std::collections::HashMap;
 use std::env;
-use std::path::Path;
+use std::path::{Path, PathBuf};
 
 use rand::distr::weighted::WeightedIndex;
 use rand::prelude::*;
 
+fn db_path() -> PathBuf {
+    let data_dir = env::var("XDG_DATA_HOME")
+        .map(PathBuf::from)
+        .unwrap_or_else(|_| {
+            let home = env::var("HOME").expect("HOME not set");
+            PathBuf::from(home).join(".local/share")
+        });
+    let dir = data_dir.join("playlists");
+    std::fs::create_dir_all(&dir).expect("failed to create data directory");
+    dir.join("playlists.db")
+}
+
 fn usage(program: &str) -> ! {
     eprintln!("Usage:");
     eprintln!("  {program} index [-v] <directory>");
@@ -50,7 +62,7 @@ fn cmd_index(args: &[String]) {
         std::process::exit(1);
     }
 
-    let conn = db::open("playlists.db").expect("failed to open database");
+    let conn = db::open(&db_path()).expect("failed to open database");
     let lastfm = lastfm::LastfmClient::new(api_key);
     let dir = Path::new(rest[0].as_str());
 
@@ -166,7 +178,7 @@ fn cmd_build(args: &[String]) {
     }
 
     dotenvy::dotenv().ok();
-    let conn = db::open("playlists.db").expect("failed to open database");
+    let conn = db::open(&db_path()).expect("failed to open database");
 
     let (artist_mbid, seed_name) = if let Some(file_arg) = rest.first() {
         let path = Path::new(file_arg.as_str());