added nexus mod downloads

src/nexus/url.rs

@@ -0,0 +1,44 @@
+use url::Url;
+
+#[derive(Debug)]
+pub struct NXMUrl {
+    pub game: String,
+    pub mod_id: String,
+    pub file: String,
+    pub key: String,
+    pub user_id: String,
+    pub expires: String,
+}
+
+impl NXMUrl {
+    pub fn parse_url(raw: &str) -> Option<Self> {
+        // Example url
+        //nxm://skyrimspecialedition/mods/266/files/725705?key=xHxcFyx2_i5rhY1YdsSbyA&expires=1773086056&user_id=123456
+
+        let url = Url::parse(raw).ok()?;
+
+        let segs: Vec<&str> = url.path_segments()?.collect();
+
+        let game = url.host_str()?;
+        let mod_id = segs.get(1)?.parse().ok()?;
+        let file_id = segs.get(3)?.parse().ok()?;
+
+        let key = url.query_pairs().find(|(k, _)| k == "key")?.1;
+        let expires = url
+            .query_pairs()
+            .find(|(k, _)| k == "expires")?
+            .1
+            .parse()
+            .ok()?;
+        let user_id = url.query_pairs().find(|(k, _)| k == "user_id")?.1;
+
+        Some(Self {
+            game: game.to_owned(),
+            mod_id,
+            file: file_id,
+            key: key.to_string(),
+            user_id: user_id.parse().ok()?,
+            expires,
+        })
+    }
+}