refactor(domain): move DB string conversions out of domain enums

crates/adapters/postgres/src/feed.rs

@@ -1,6 +1,16 @@
 use async_trait::async_trait;
 use chrono::{DateTime, Utc};
-use domain::models::thought::Visibility;
+
+fn visibility_from_str(s: &str) -> domain::models::thought::Visibility {
+    use domain::models::thought::Visibility;
+    match s {
+        "followers" => Visibility::Followers,
+        "unlisted" => Visibility::Unlisted,
+        "direct" => Visibility::Direct,
+        _ => Visibility::Public,
+    }
+}
+
 use domain::{
     errors::DomainError,
     models::{
@@ -95,7 +105,7 @@ fn row_to_entry(r: FeedRow) -> FeedEntry {
         in_reply_to_id: r.in_reply_to_id.map(ThoughtId::from_uuid),
         in_reply_to_url: r.in_reply_to_url,
         ap_id: r.t_ap_id,
-        visibility: Visibility::from_db_str(&r.visibility),
+        visibility: visibility_from_str(&r.visibility),
         content_warning: r.content_warning,
         sensitive: r.sensitive,
         local: r.t_local,