Make platforms generic

src/legendary/legendary_platform.rs

@@ -0,0 +1,35 @@
+use super::{LegendaryGame, LegendarySettings};
+use crate::platform::Platform;
+use serde_json::from_str;
+use std::error::Error;
+use std::process::Command;
+
+pub struct LegendaryPlatform {
+    settings: LegendarySettings,
+}
+
+impl LegendaryPlatform {
+    pub fn new(settings: LegendarySettings) -> LegendaryPlatform {
+        Self { settings }
+    }
+}
+
+impl Platform<LegendaryGame, Box<dyn Error>> for LegendaryPlatform {
+    fn enabled(&self) -> bool {
+        self.settings.enabled
+    }
+
+    fn name(&self) -> &str {
+        "Legendary"
+    }
+
+    fn get_shortcuts(&self) -> Result<Vec<LegendaryGame>, Box<dyn Error>> {
+        let legendary_command = Command::new("legendary")
+            .arg("list-installed")
+            .arg("--json")
+            .output()?;
+        let json = String::from_utf8_lossy(&legendary_command.stdout);
+        let legendary_ouput = from_str(&json)?;
+        Ok(legendary_ouput)
+    }
+}