Improve playnite errormessages (#325)

src/platforms/playnite/playnite_platform.rs

@@ -86,8 +86,12 @@ impl PlaynitePlatform {
     fn get_playnite_games(&self) -> eyre::Result<Vec<PlayniteGame>> {
         let mut res = vec![];
         let (launcher_path, games_file_path) = self.find_paths()?;
-        if games_file_path.exists() {
-            let games_bytes = std::fs::read(&games_file_path)?;
+        let games_bytes = std::fs::read(&games_file_path).map_err(|e| match e.raw_os_error() {
+            Some(32) => {
+                eyre::format_err!("It looks like Playnite is running and preventing BoilR from reading its database, please ensure that Playnite closed.")
+            }
+            _ => eyre::format_err!("Could not get Playnite games: {:?}", e),
+        })?;
         let (_, games) = parse_db(&games_bytes).map_err(|e| eyre::eyre!(e.to_string()))?;
         for game in games {
             if game.installed || !self.settings.installed_only {
@@ -98,15 +102,17 @@ impl PlaynitePlatform {
                 });
             }
         }
-        }
         Ok(res)
     }
 
     fn find_paths(&self) -> Result<(PathBuf, PathBuf), color_eyre::Report> {
         if self.settings.use_portalbe_version {
             let launcher_path = Path::new(&self.settings.portable_launcher_path).to_path_buf();
-            let p = launcher_path.parent().unwrap_or_else(||Path::new(""));
-            let games_file_path = p.join("library").join("games.db");
+            let games_file_path = launcher_path
+                .parent()
+                .unwrap_or_else(|| Path::new(""))
+                .join("library")
+                .join("games.db");
             Ok((launcher_path, games_file_path))
         } else {
             let app_data_local_path = env::var("LOCALAPPDATA")?;