iceshrimp-legacy/packages/backend/src/server/api/common/generate-block-query.ts

import type { User } from "@/models/entities/user.js";
import { Blockings } from "@/models/index.js";
import type { SelectQueryBuilder } from "typeorm";
import { Brackets } from "typeorm";

// ここでいうBlockedは被Blockedの意
export function generateBlockedUserQuery(
	q: SelectQueryBuilder<any>,
	me: { id: User["id"] },
) {
	const blockingQuery = Blockings.createQueryBuilder("blocking")
		.select("blocking.blockerId")
		.where("blocking.blockeeId = :blockeeId", { blockeeId: me.id });

	// 投稿の作者にブロックされていない かつ
	// 投稿の返信先の作者にブロックされていない かつ
	// 投稿の引用元の作者にブロックされていない
	q.andWhere(`note.userId NOT IN (${blockingQuery.getQuery()})`)
		.andWhere(
			new Brackets((qb) => {
				qb.where("note.replyUserId IS NULL").orWhere(
					`note.replyUserId NOT IN (${blockingQuery.getQuery()})`,
				);
			}),
		)
		.andWhere(
			new Brackets((qb) => {
				qb.where("note.renoteUserId IS NULL").orWhere(
					`note.renoteUserId NOT IN (${blockingQuery.getQuery()})`,
				);
			}),
		);

	q.setParameters(blockingQuery.getParameters());
}

export function generateBlockQueryForUsers(
	q: SelectQueryBuilder<any>,
	me: { id: User["id"] },
) {
	const blockingQuery = Blockings.createQueryBuilder("blocking")
		.select("blocking.blockeeId")
		.where("blocking.blockerId = :blockerId", { blockerId: me.id });

	const blockedQuery = Blockings.createQueryBuilder("blocking")
		.select("blocking.blockerId")
		.where("blocking.blockeeId = :blockeeId", { blockeeId: me.id });

	q.andWhere(`user.id NOT IN (${blockingQuery.getQuery()})`);
	q.setParameters(blockingQuery.getParameters());

	q.andWhere(`user.id NOT IN (${blockedQuery.getQuery()})`);
	q.setParameters(blockedQuery.getParameters());
}