refactor(download manager): Fully separate & generic download manager

Signed-off-by: quexeky <git@quexeky.dev>

src-tauri/src/download_manager/downloadable_metadata.rs

@@ -1,4 +1,25 @@
-#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
-pub struct DownloadableMetadata {
-    id: String,
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize, Clone)]
+pub enum DownloadType {
+    Game,
+    Tool,
+    DLC,
+    Mod
 }
+
+#[derive(Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Serialize, Deserialize, Clone)]
+pub struct DownloadableMetadata {
+    pub id: String,
+    pub version: String,
+    pub download_type: DownloadType
+}
+impl DownloadableMetadata {
+    pub fn new(id: String, version: String, download_type: DownloadType) -> Self {
+        Self {
+            id,
+            version,
+            download_type
+        }
+    }
+}