From 250dcc26bea77748ebf36000feab41deeb8be334 Mon Sep 17 00:00:00 2001
From: Felix Ableitner <me@nutomic.com>
Date: Tue, 17 Nov 2020 18:05:25 +0100
Subject: [PATCH] For community_name API parameters, only search locally (fixes
 #1271)

---
 docs/src/contributing_websocket_http_api.md | 7 +++++++
 lemmy_db/src/comment_view.rs                | 4 +++-
 lemmy_db/src/post_view.rs                   | 1 +
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/docs/src/contributing_websocket_http_api.md b/docs/src/contributing_websocket_http_api.md
index a3b678eb9..bb9b063a5 100644
--- a/docs/src/contributing_websocket_http_api.md
+++ b/docs/src/contributing_websocket_http_api.md
@@ -492,6 +492,9 @@ These expire after 10 minutes.
 `GET /user/get_captcha`
 
 #### Get User Details
+
+`username` can only be used for local users. To get details for a federated user, pass `user_id` instead.
+
 ##### Request
 ```rust
 {
@@ -1602,6 +1605,8 @@ The main / frontpage community is `community_id: 0`.
 
 Post listing types are `All, Subscribed, Community`
 
+`community_name` can only be used for local communities. To get posts for a federated community, pass `community_id` instead.
+
 ##### Request
 ```rust
 {
@@ -2049,6 +2054,8 @@ Only a mod or admin can remove the comment.
 
 Comment listing types are `All, Subscribed, Community`
 
+`community_name` can only be used for local communities. To get posts for a federated community, pass `community_id` instead.
+
 ##### Request
 ```rust
 {
diff --git a/lemmy_db/src/comment_view.rs b/lemmy_db/src/comment_view.rs
index e1299cb14..4b6dc1924 100644
--- a/lemmy_db/src/comment_view.rs
+++ b/lemmy_db/src/comment_view.rs
@@ -239,7 +239,9 @@ impl<'a> CommentQueryBuilder<'a> {
     }
 
     if let Some(for_community_name) = self.for_community_name {
-      query = query.filter(community_name.eq(for_community_name));
+      query = query
+        .filter(community_name.eq(for_community_name))
+        .filter(local.eq(true));
     }
 
     if let Some(for_post_id) = self.for_post_id {
diff --git a/lemmy_db/src/post_view.rs b/lemmy_db/src/post_view.rs
index 38d9a0211..0ec4a9797 100644
--- a/lemmy_db/src/post_view.rs
+++ b/lemmy_db/src/post_view.rs
@@ -280,6 +280,7 @@ impl<'a> PostQueryBuilder<'a> {
     if let Some(for_community_name) = self.for_community_name {
       query = query
         .filter(community_name.eq(for_community_name))
+        .filter(local.eq(true))
         .then_order_by(stickied.desc());
     }