From 4a7821012c16bf33ebd915dd51812c9e075f6f4d Mon Sep 17 00:00:00 2001
From: Buckminsterfullerene02 <bobby45900@gmail.com>
Date: Mon, 14 Aug 2023 19:09:09 +0100
Subject: [PATCH] Fix #51

---
 src/providers/modio.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/providers/modio.rs b/src/providers/modio.rs
index 79075047..060c8307 100644
--- a/src/providers/modio.rs
+++ b/src/providers/modio.rs
@@ -211,6 +211,10 @@ impl ModProvider for ModioProvider {
         use modio::filter::{Eq, In};
         use modio::mods::filters::{Id, NameId, Visible};
 
+        if spec.url.contains("?preview=") {
+            return Err(anyhow!("Preview mod links cannot be added directly, please subscribe to the mod on mod.io and use the subscription link instead."));
+        };
+
         let url = &spec.url;
         let captures = RE_MOD.captures(url).context("invalid modio URL {url}")?;