From 90dbf767532176ca0ffd59836c49339bf9980946 Mon Sep 17 00:00:00 2001
From: Gabriel Kaszewski <gabrielkaszewski@gmail.com>
Date: Fri, 15 May 2026 05:47:26 +0200
Subject: [PATCH] feat(feed): include remote following posts in home feed

---
 crates/adapters/postgres/src/feed.rs | 32 +++++++++++++++++++++-------
 1 file changed, 24 insertions(+), 8 deletions(-)

diff --git a/crates/adapters/postgres/src/feed.rs b/crates/adapters/postgres/src/feed.rs
index 3beba3c..ec672f1 100644
--- a/crates/adapters/postgres/src/feed.rs
+++ b/crates/adapters/postgres/src/feed.rs
@@ -67,6 +67,19 @@ struct FeedRow {
     boosted_by_viewer: bool,
 }
 
+fn federation_following_clause(follower: Option<uuid::Uuid>) -> String {
+    match follower {
+        Some(fid) => format!(
+            " OR t.user_id IN (
+                SELECT u2.id FROM users u2
+                JOIN federation_following ff ON u2.ap_id = ff.remote_actor_url
+                WHERE ff.local_user_id = '{fid}'
+            )"
+        ),
+        None => String::new(),
+    }
+}
+
 fn feed_select(viewer: Option<uuid::Uuid>) -> String {
     let viewer_checks = match viewer {
         Some(uid) => format!(
@@ -146,16 +159,19 @@ impl FeedRepository for PgFeedRepository {
     ) -> Result<Paginated<FeedEntry>, DomainError> {
         let ids: Vec<uuid::Uuid> = following_ids.iter().map(|id| id.as_uuid()).collect();
         let viewer = viewer_id.map(|v| v.as_uuid());
-        let total: i64 = sqlx::query_scalar(
-            "SELECT COUNT(*) FROM thoughts t WHERE t.user_id=ANY($1) AND t.visibility != 'direct'",
-        )
-        .bind(&ids)
-        .fetch_one(&self.pool)
-        .await
-        .map_err(|e| DomainError::Internal(e.to_string()))?;
+        let fed_clause = federation_following_clause(viewer);
+        let count_sql = format!(
+            "SELECT COUNT(*) FROM thoughts t WHERE (t.user_id=ANY($1){}) AND t.visibility != 'direct'",
+            fed_clause
+        );
+        let total: i64 = sqlx::query_scalar(&count_sql)
+            .bind(&ids)
+            .fetch_one(&self.pool)
+            .await
+            .map_err(|e| DomainError::Internal(e.to_string()))?;
 
         let sel = feed_select(viewer);
-        let sql = format!("{sel} WHERE t.user_id=ANY($1) AND t.visibility != 'direct' ORDER BY t.created_at DESC LIMIT $2 OFFSET $3");
+        let sql = format!("{sel} WHERE (t.user_id=ANY($1){}) AND t.visibility != 'direct' ORDER BY t.created_at DESC LIMIT $2 OFFSET $3", fed_clause);
         let rows = sqlx::query_as::<_, FeedRow>(&sql)
             .bind(&ids)
             .bind(page.limit())