1 files changed, 72 insertions, 0 deletions
diff --git a/packages/backend/src/server/api/endpoints/notes/children.ts b/packages/backend/src/server/api/endpoints/notes/children.ts
new file mode 100644
index 0000000000..68881fda9e
--- /dev/null
+++ b/packages/backend/src/server/api/endpoints/notes/children.ts
@@ -0,0 +1,72 @@
+import $ from 'cafy';
+import { ID } from '@/misc/cafy-id';
+import define from '../../define';
+import { makePaginationQuery } from '../../common/make-pagination-query';
+import { generateVisibilityQuery } from '../../common/generate-visibility-query';
+import { generateMutedUserQuery } from '../../common/generate-muted-user-query';
+import { Brackets } from 'typeorm';
+import { Notes } from '@/models/index';
+import { generateBlockedUserQuery } from '../../common/generate-block-query';
+
+export const meta = {
+	tags: ['notes'],
+
+	requireCredential: false as const,
+
+	params: {
+		noteId: {
+			validator: $.type(ID),
+		},
+
+		limit: {
+			validator: $.optional.num.range(1, 100),
+			default: 10
+		},
+
+		sinceId: {
+			validator: $.optional.type(ID),
+		},
+
+		untilId: {
+			validator: $.optional.type(ID),
+		},
+	},
+
+	res: {
+		type: 'array' as const,
+		optional: false as const, nullable: false as const,
+		items: {
+			type: 'object' as const,
+			optional: false as const, nullable: false as const,
+			ref: 'Note',
+		}
+	},
+};
+
+export default define(meta, async (ps, user) => {
+	const query = makePaginationQuery(Notes.createQueryBuilder('note'), ps.sinceId, ps.untilId)
+		.andWhere(new Brackets(qb => { qb
+			.where(`note.replyId = :noteId`, { noteId: ps.noteId })
+			.orWhere(new Brackets(qb => { qb
+				.where(`note.renoteId = :noteId`, { noteId: ps.noteId })
+				.andWhere(new Brackets(qb => { qb
+					.where(`note.text IS NOT NULL`)
+					.orWhere(`note.fileIds != '{}'`)
+					.orWhere(`note.hasPoll = TRUE`);
+				}));
+			}));
+		}))
+		.innerJoinAndSelect('note.user', 'user')
+		.leftJoinAndSelect('note.reply', 'reply')
+		.leftJoinAndSelect('note.renote', 'renote')
+		.leftJoinAndSelect('reply.user', 'replyUser')
+		.leftJoinAndSelect('renote.user', 'renoteUser');
+
+	generateVisibilityQuery(query, user);
+	if (user) generateMutedUserQuery(query, user);
+	if (user) generateBlockedUserQuery(query, user);
+
+	const notes = await query.take(ps.limit!).getMany();
+
+	return await Notes.packMany(notes, user);
+});