Method vote

packages/hydrooj/src/model/solution.ts:72–84

(domainId: string, psid: ObjectId, uid: number, value: number)

    }

    static async vote(domainId: string, psid: ObjectId, uid: number, value: number) {
        const doc = await document.get(domainId, document.TYPE_PROBLEM_SOLUTION, psid);
        if (!doc) throw new SolutionNotFoundError(domainId, psid);
        const before = await document.setStatus(
            domainId, document.TYPE_PROBLEM_SOLUTION, psid, uid,
            { vote: value }, null, 'before',
        );
        let inc = value;
        if (before?.vote) inc -= before.vote;
        return inc
            ? await document.inc(domainId, document.TYPE_PROBLEM_SOLUTION, psid, 'vote', inc)
            : doc;
    }

    static async getListStatus(domainId: string, psids: ObjectId[], uid: number) {
        const result: Record<string, { docId: ObjectId, vote: number }> = {};