Amazon Games for Windows (#91)

src/amazon/amazon_platform.rs

@@ -0,0 +1,77 @@
+use std::{error::Error, path::{PathBuf, Path}};
+
+use sqlite::State;
+
+use crate::platform::Platform;
+
+use super::{AmazonSettings, AmazonGame};
+
+
+pub struct AmazonPlatform{
+    pub settings:AmazonSettings
+}
+
+impl Platform<AmazonGame, Box<dyn Error>> for AmazonPlatform{
+    #[cfg(windows)]
+    fn enabled(&self) -> bool {       
+        self.settings.enabled
+    }
+    
+    #[cfg(target_family="unix")]
+    fn enabled(&self) -> bool {
+        false
+    }
+
+    fn name(&self) -> &str {
+        "Amazon"
+    }
+
+    fn get_shortcuts(&self) -> Result<Vec<AmazonGame>, Box<dyn Error>> {
+        let sqllite_path = get_sqlite_path().expect("This should enver get called if settings are invalid");
+        let mut result = vec![];
+        let connection = sqlite::open(sqllite_path)?;
+        let mut statement = connection.prepare("SELECT Id, ProductTitle FROM DbSet WHERE Installed = 1")?;            
+        while let State::Row = statement.next().unwrap() {
+            let id = statement.read::<String>(0);
+            let title = statement.read::<String>(1);
+            if let (Ok(id),Ok(title)) = (id,title){
+                result.push(AmazonGame { title, id });
+            }
+        }
+        Ok(result)
+    }
+
+    fn settings_valid(&self) -> crate::platform::SettingsValidity {
+        let path = get_sqlite_path();
+        if path.is_some(){
+            crate::platform::SettingsValidity::Valid
+        }else{
+            crate::platform::SettingsValidity::Invalid { reason: format!("Could not find Amazon Games installation")} 
+        }
+        
+    }
+
+    #[cfg(target_family ="unix")]
+    fn create_symlinks(&self) -> bool {
+        false
+    }
+
+    fn needs_proton(&self, _input: &AmazonGame) -> bool {
+        false
+    }
+}
+
+
+fn get_sqlite_path() -> Option<PathBuf> {
+    match std::env::var("LOCALAPPDATA") {
+        Ok(localdata) => {            
+            let path = Path::new(&localdata).join("Amazon Games").join("Data").join("Games").join("Sql").join("GameInstallInfo.sqlite");
+            if path.exists() {
+                Some(path)
+            }else{
+                None
+            }
+        }
+        Err(_e) => None,
+    }
+}