Method get

packages/hydrooj/src/model/problem.ts:192–210

(
        domainId: string, pid: string | number,
        projection: Projection<ProblemDoc> = ProblemModel.PROJECTION_PUBLIC,
        rawConfig = false,
    )

    }

    static async get(
        domainId: string, pid: string | number,
        projection: Projection<ProblemDoc> = ProblemModel.PROJECTION_PUBLIC,
        rawConfig = false,
    ): Promise<ProblemDoc | null> {
        if (Number.isSafeInteger(+pid)) pid = +pid;
        const ddoc = await DomainModel.get(domainId);
        const res = typeof pid === 'number'
            ? await document.get(domainId, document.TYPE_PROBLEM, pid, projection)
            : (await document.getMulti(domainId, document.TYPE_PROBLEM, { sort: sortable(pid, ddoc?.namespaces), pid })
                .project(buildProjection(projection)).limit(1).toArray())[0];
        if (!res) return null;
        try {
            if (!rawConfig && projection.includes('config')) res.config = await parseConfig(res.config, res.data?.map((i) => i.name) || []);
        } catch (e) {
            res.config = `Cannot parse: ${e.message}`;
        }
        return res;
    }

    static getMulti(domainId: string, query: Filter<ProblemDoc>, projection = ProblemModel.PROJECTION_LIST) {
        return document.getMulti(domainId, document.TYPE_PROBLEM, query, projection).sort({ sort: 1 });