Exclude suspended users note from most timelines (#15775)

* feat: exclude notes by suspended user from FTT timeline endpoint

* feat: exclude notes by suspended user from DB based timelines

* chore: fix types

* chore: fix types

* chore: fix non-reply / renote

* chore: fix non-reply / renote

* test: update test

* docs(changelog): 凍結されたユーザのノートが各種タイムラインで表示されないように

* Exclude suspended users note from featured

* fix: join user

* Update CHANGELOG.md

---------

Co-authored-by: syuilo <4439005+syuilo@users.noreply.github.com>

1 files changed, 18 insertions, 0 deletions

diff --git a/packages/backend/src/core/FanoutTimelineEndpointService.ts b/packages/backend/src/core/FanoutTimelineEndpointService.ts
index 1ffeb4b3a4..6253f792ed 100644
--- a/packages/backend/src/core/FanoutTimelineEndpointService.ts
+++ b/packages/backend/src/core/FanoutTimelineEndpointService.ts
@@ -36,6 +36,7 @@ type TimelineOptions = {
 	excludeNoFiles?: boolean;
 	excludeReplies?: boolean;
 	excludePureRenotes: boolean;
+	ignoreAuthorFromUserSuspension?: boolean;
 	dbFallback: (untilId: string | null, sinceId: string | null, limit: number) => Promise<MiNote[]>,
 };
 
@@ -139,6 +140,23 @@ export class FanoutTimelineEndpointService {
 				};
 			}
 
+			{
+				const parentFilter = filter;
+				filter = (note) => {
+					const noteJoined = note as MiNote & {
+						renoteUser: MiUser | null;
+						replyUser: MiUser | null;
+					};
+					if (!ps.ignoreAuthorFromUserSuspension) {
+						if (note.user!.isSuspended) return false;
+					}
+					if (note.userId !== note.renoteUserId && noteJoined.renoteUser?.isSuspended) return false;
+					if (note.userId !== note.replyUserId && noteJoined.replyUser?.isSuspended) return false;
+
+					return parentFilter(note);
+				};
+			}
+
 			const redisTimeline: MiNote[] = [];
 			let readFromRedis = 0;
 			let lastSuccessfulRate = 1; // rateをキャッシュする？