core&ui: add clarification (#669)

packages/hydrooj/src/model/contest.ts

@@ -911,6 +911,37 @@ export async function getScoreboard(
     return [tdoc, rows, udict, pdict];
 }
 
+export function addClarification(
+    domainId: string, tid: ObjectId, owner: number, content: string,
+    ip: string, subject = 0,
+) {
+    return document.add(
+        domainId, content, owner, document.TYPE_CONTEST_CLARIFICATION,
+        null, document.TYPE_CONTEST, tid, { ip, subject },
+    );
+}
+
+export function addClarificationReply(
+    domainId: string, did: ObjectId, owner: number,
+    content: string, ip: string,
+) {
+    return document.push(
+        domainId, document.TYPE_CONTEST_CLARIFICATION, did,
+        'reply', { content, owner, ip },
+    );
+}
+
+export function getClarification(domainId: string, did: ObjectId) {
+    return document.get(domainId, document.TYPE_CONTEST_CLARIFICATION, did);
+}
+
+export function getMultiClarification(domainId: string, tid: ObjectId, owner = 0) {
+    return document.getMulti(
+        domainId, document.TYPE_CONTEST_CLARIFICATION,
+        { parentType: document.TYPE_CONTEST, parentId: tid, ...(owner ? { owner: { $in: [owner, 0] } } : {}) },
+    ).sort('_id', -1).toArray();
+}
+
 export const statusText = (tdoc: Tdoc, tsdoc?: any) => (
     isNew(tdoc)
         ? 'New'
@@ -948,6 +979,10 @@ global.Hydro.model.contest = {
     canShowScoreboard,
     canViewHiddenScoreboard,
     getScoreboard,
+    addClarification,
+    addClarificationReply,
+    getClarification,
+    getMultiClarification,
     isNew,
     isUpcoming,
     isNotStarted,

packages/hydrooj/src/model/document.ts

@@ -5,7 +5,7 @@ import {
 } from 'mongodb';
 import { Context } from '../context';
 import {
-    Content, DiscussionDoc,
+    Content, ContestClarificationDoc, DiscussionDoc,
     DiscussionReplyDoc, ProblemDoc, ProblemStatusDoc,
     Tdoc, TrainingDoc,
 } from '../interface';
@@ -27,6 +27,7 @@ export const TYPE_DISCUSSION_NODE: 20 = 20;
 export const TYPE_DISCUSSION: 21 = 21;
 export const TYPE_DISCUSSION_REPLY: 22 = 22;
 export const TYPE_CONTEST: 30 = 30;
+export const TYPE_CONTEST_CLARIFICATION: 31 = 31;
 export const TYPE_TRAINING: 40 = 40;
 /** @deprecated use `TYPE_CONTEST` with rule `homework` instead. */
 export const TYPE_HOMEWORK: 60 = 60;
@@ -39,6 +40,7 @@ export interface DocType {
     [TYPE_DISCUSSION]: DiscussionDoc;
     [TYPE_DISCUSSION_REPLY]: DiscussionReplyDoc;
     [TYPE_CONTEST]: Tdoc;
+    [TYPE_CONTEST_CLARIFICATION]: ContestClarificationDoc;
     [TYPE_TRAINING]: TrainingDoc;
 }
 
@@ -498,6 +500,7 @@ global.Hydro.model.document = {
     setSub,
 
     TYPE_CONTEST,
+    TYPE_CONTEST_CLARIFICATION,
     TYPE_DISCUSSION,
     TYPE_DISCUSSION_NODE,
     TYPE_DISCUSSION_REPLY,

packages/hydrooj/src/model/message.ts

@@ -12,6 +12,7 @@ class MessageModel {
     static FLAG_ALERT = 2;
     static FLAG_RICHTEXT = 4;
     static FLAG_INFO = 8;
+    static FLAG_I18N = 16;
 
     static coll = db.collection('message');
 
@@ -33,7 +34,7 @@ class MessageModel {
     static async sendInfo(to: number, content: string) {
         const _id = new ObjectId();
         const mdoc: MessageDoc = {
-            _id, from: 1, to, content, flag: MessageModel.FLAG_INFO,
+            _id, from: 1, to, content, flag: MessageModel.FLAG_INFO | MessageModel.FLAG_I18N,
         };
         bus.broadcast('user/message', to, mdoc);
     }