refactoring

Resolve #7779

1 files changed, 15 insertions, 0 deletions

diff --git a/packages/backend/src/misc/count-same-renotes.ts b/packages/backend/src/misc/count-same-renotes.ts
new file mode 100644
index 0000000000..6628761182
--- /dev/null
+++ b/packages/backend/src/misc/count-same-renotes.ts
@@ -0,0 +1,15 @@
+import { Notes } from '@/models/index';
+
+export async function countSameRenotes(userId: string, renoteId: string, excludeNoteId: string | undefined): Promise<number> {
+	// 指定したユーザーの指定したノートのリノートがいくつあるか数える
+	const query = Notes.createQueryBuilder('note')
+		.where('note.userId = :userId', { userId })
+		.andWhere('note.renoteId = :renoteId', { renoteId });
+
+	// 指定した投稿を除く
+	if (excludeNoteId) {
+		query.andWhere('note.id != :excludeNoteId', { excludeNoteId });
+	}
+
+	return await query.getCount();
+}