core: handle referenced config

packages/hydrooj/src/handler/contest.ts

@@ -262,9 +262,11 @@ export class ContestProblemHandler extends Handler {
         if (!this.pdoc) throw new ProblemNotFoundError(domainId, pid);
         this.pdoc.pid = _pid;
         this.pdoc.tag.length = 0;
-        // @ts-ignore
-        if (this.pdoc.domainId !== domainId) this.pdoc.docId = `${this.pdoc.domainId}:${this.pdoc.docId}`;
         this.attended = this.tsdoc && this.tsdoc.attend === 1;
+        if (this.pdoc.reference) {
+            const pdoc = await problem.get(this.pdoc.reference.domainId, this.pdoc.reference.pid);
+            this.pdoc.config = pdoc.config;
+        }
         const showAccept = contest.canShowScoreboard.call(this, this.tdoc, true);
         if (!showAccept) this.pdoc.nAccept = 0;
         if (contest.isNotStarted(this.tdoc)) throw new ContestNotLiveError(tid);

packages/hydrooj/src/handler/homework.ts

@@ -132,8 +132,10 @@ class HomeworkDetailProblemHandler extends Handler {
             contest.getStatus(domainId, tid, this.user._id),
         ]);
         if (!this.pdoc) throw new ProblemNotFoundError(domainId, this.pid);
-        // @ts-ignore
-        if (this.pdoc.domainId !== domainId) this.pdoc.docId = `${this.pdoc.domainId}:${this.pdoc.docId}`;
+        if (this.pdoc.reference) {
+            const pdoc = await problem.get(this.pdoc.reference.domainId, this.pdoc.reference.pid);
+            this.pdoc.config = pdoc.config;
+        }
         this.pdoc.pid = _pid;
         this.attended = this.tsdoc?.attend === 1;
         this.response.body = {

packages/hydrooj/src/handler/problem.ts

@@ -224,6 +224,10 @@ export class ProblemDetailHandler extends ProblemHandler {
             problem.getStatus(domainId, this.pdoc.docId, this.user._id),
             user.getById(domainId, this.pdoc.owner),
         ]);
+        if (this.pdoc.reference) {
+            const pdoc = await problem.get(this.pdoc.reference.domainId, this.pdoc.reference.pid);
+            this.pdoc.config = pdoc.config;
+        }
         const [scnt, dcnt] = await Promise.all([
             solution.count(domainId, { parentId: this.pdoc.docId }),
             discussion.count(domainId, { parentId: this.pdoc.docId }),