Make platforms generic

src/egs/epic_platform.rs

@@ -0,0 +1,30 @@
+use crate::platform::Platform;
+
+use super::{
+    get_egs_manifests, get_manifests::EpicGamesManifestsError, EpicGamesLauncherSettings,
+    ManifestItem,
+};
+
+pub struct EpicPlatform {
+    settings: EpicGamesLauncherSettings,
+}
+
+impl EpicPlatform {
+    pub fn new(settings: EpicGamesLauncherSettings) -> Self {
+        EpicPlatform { settings }
+    }
+}
+
+impl Platform<ManifestItem, EpicGamesManifestsError> for EpicPlatform {
+    fn enabled(&self) -> bool {
+        self.settings.enabled
+    }
+
+    fn name(&self) -> &str {
+        "EGS"
+    }
+
+    fn get_shortcuts(&self) -> Result<Vec<ManifestItem>, EpicGamesManifestsError> {
+        get_egs_manifests(&self.settings)
+    }
+}