index: Add select for choosing languages when pasting

Signed-off-by: Gunwant Jain <mail@wantguns.dev>

src/routes/submit.rs

@@ -7,6 +7,7 @@ use crate::models::paste_id::PasteId;
 #[derive(FromForm)]
 pub struct PasteIdForm {
     val: String,
+    ext: String,
 }
 
 #[post("/submit", data = "<paste>")]
@@ -14,9 +15,10 @@ pub async fn submit(paste: Form<PasteIdForm>) -> Redirect {
     let id = PasteId::new(6);
 
     let filename = format!("upload/{id}", id = id);
-    let content = paste.into_inner().val;
+    let content = &paste.val;
+    let ext = &paste.ext;
 
     fs::write(&filename, content).expect("Unable to write to the file");
 
-    Redirect::to(format!("/p/{id}", id = id))
-}
+    Redirect::to(format!("/p/{id}.{ext}", id = id, ext = ext))
+}