Read install folders (#130)

src/steam/instaled_games.rs

@@ -1 +0,0 @@
-

src/steam/installed_games.rs

@@ -1,4 +1,4 @@
-use std::{ffi::OsStr, path::Path};
+use std::{ffi::OsStr, path::{Path, PathBuf}};
 
 use super::{get_steam_path, SteamSettings};
 
@@ -9,11 +9,10 @@ pub struct SteamGameInfo {
 }
 
 pub fn get_installed_games(settings: &SteamSettings) -> Vec<SteamGameInfo> {
-    let path = get_steam_path(settings);
-    if let Ok(path) = path {
-        let apps_path = Path::new(&path).join("steamapps");
-        if let Ok(files) = std::fs::read_dir(apps_path) {
-            let mut games = vec![];
+    let install_folders = get_install_folders(settings);    
+    let mut games = vec![];
+    for apps_path in install_folders {
+        if let Ok(files) = std::fs::read_dir(apps_path) {            
             for file in files {
                 if let Ok(file) = file {
                     if let Some(game_info) = parse_manifest_file(&file.path()) {
@@ -21,10 +20,33 @@ pub fn get_installed_games(settings: &SteamSettings) -> Vec<SteamGameInfo> {
                     }
                 }
             }
-            return games;
         }
     }
-    vec![]
+    games.sort_by_key(|g| g.name.clone());
+    return games;    
+}
+
+fn get_install_folders(settings: &SteamSettings) -> Vec<PathBuf> {
+    let mut result = vec![];
+    if let Ok(path) = get_steam_path(settings) {
+        let path = Path::new(&path);
+
+        let vdf_path = path.join("steamapps").join("libraryfolders.vdf");
+        if !vdf_path.exists() {
+            result.push(path.join("steamapps").to_path_buf());
+            return result;
+        }
+        if let Ok(vdf_file) = std::fs::read_to_string(vdf_path) {
+            for line in vdf_file.lines() {
+                if line.contains("\"path\"") {
+                    let path_string = &line[11..line.len() - 1];
+                    result.push(Path::new(&path_string).join("steamapps").to_path_buf());
+                }
+            }
+        }
+    }
+    
+    return result;
 }
 
 fn parse_manifest_file(path: &Path) -> Option<SteamGameInfo> {