Hide collections with no projects from public view (#3408)

Co-authored-by: Prospector <6166773+Prospector@users.noreply.github.com>

Author: triphora

apps/labrinth/src/auth/checks.rs

@@ -328,7 +328,8 @@ pub async fn is_visible_collection(
     collection_data: &Collection,
     user_option: &Option<User>,
 ) -> Result<bool, ApiError> {
-    let mut authorized = !collection_data.status.is_hidden();
+    let mut authorized = !collection_data.status.is_hidden()
+        && !collection_data.projects.is_empty();
     if let Some(user) = &user_option {
         if !authorized
             && (user.role.is_mod() || user.id == collection_data.user_id.into())

apps/labrinth/src/routes/v3/collections.rs

@@ -50,7 +50,7 @@ pub struct CollectionCreateData {
     #[validate(length(min = 3, max = 255))]
     /// A short description of the collection.
     pub description: Option<String>,
-    #[validate(length(max = 32))]
+    #[validate(length(max = 1024))]
     #[serde(default = "Vec::new")]
     /// A list of initial projects to use with the created collection
     pub projects: Vec<String>,