rename paths to util, and add more stuff to it

1 files changed, 25 insertions, 0 deletions

diff --git a/src/util.rs b/src/util.rs
new file mode 100644
index 0000000..3e95981
--- /dev/null
+++ b/src/util.rs
@@ -0,0 +1,25 @@
+pub fn program_name() -> failure::Fallible<String> {
+    let program = std::env::args()
+        .next()
+        .ok_or_else(|| format_err!("no program name found"))?;
+    let path = std::path::Path::new(&program);
+    let filename = path.file_name()
+        .ok_or_else(|| format_err!("invalid filename found"))?
+        .to_string_lossy()
+        .to_string();
+    Ok(filename)
+}
+
+pub fn db_path() -> failure::Fallible<std::path::PathBuf> {
+    Ok(directories::ProjectDirs::from("", "", "lastfm-query")
+        .ok_or_else(|| failure::err_msg("couldn't determine data directory"))?
+        .data_dir()
+        .join("tracks.sqlite"))
+}
+
+pub fn api_key_path() -> failure::Fallible<std::path::PathBuf> {
+    Ok(directories::ProjectDirs::from("", "", "lastfm-query")
+        .ok_or_else(|| failure::err_msg("couldn't determine config directory"))?
+        .config_dir()
+        .join("lastfm-api-key"))
+}