feat: chusanApp.exe patching

rust/src/pkg_store.rs

@@ -8,7 +8,7 @@ use tokio::task::JoinSet;
 use crate::model::local::{PackageList, PackageListEntry};
 use crate::model::misc::Game;
 use crate::model::rainy;
-use crate::pkg::{Package, PackageSource, PkgKey, Remote, Status};
+use crate::pkg::{Feature, Package, PackageSource, PkgKey, Remote, Status};
 use crate::util;
 use crate::download_handler::DownloadHandler;
 
@@ -67,6 +67,21 @@ impl PackageStore {
             .collect()
     }
 
+    #[allow(dead_code)]
+    pub fn get_by_feature(&self, feature: Feature) -> Vec<PkgKey> {
+        self.store.iter()
+            .filter(|(_, v)| {
+                if let Some(loc) = &v.loc {
+                    if let Status::OK(flags, _) = loc.status {
+                        return flags.contains(feature);
+                    }
+                }
+                return false
+            })
+            .map(|(k, _)| k.clone())
+            .collect()
+    }
+
     pub async fn reload_package(&mut self, key: PkgKey) {
         let dir = util::pkg_dir().join(&key.0);
         if let Ok(pkg) = Package::from_dir(dir, PackageSource::Rainy).await {