migrate: add optional solution field

packages/migrate/package.json

@@ -1,17 +1,19 @@
 {
     "name": "@hydrooj/migrate",
-    "version": "0.1.0",
+    "version": "0.1.1",
     "main": "package.json",
     "repository": "git@github.com:hydro-dev/Hydro.git",
     "author": "undefined <i@undefined.moe>",
     "license": "AGPL-3.0-or-later",
     "devDependencies": {
         "@types/mongodb": "^3.6.20",
-        "@types/mysql": "^2.15.21"
+        "@types/mysql": "^2.15.21",
+        "@types/turndown": "^5.0.1"
     },
     "dependencies": {
         "@hydrooj/utils": "workspace:*",
         "mongodb": "^3.7.3",
-        "mysql": "^2.18.1"
+        "mysql": "^2.18.1",
+        "turndown": "^7.1.1"
     }
 }

packages/migrate/scripts/hustoj.ts

@@ -3,6 +3,7 @@
 import fs from 'fs-extra';
 import { ObjectID } from 'mongodb';
 import mysql from 'mysql';
+import TurndownService from 'turndown';
 import { STATUS } from '@hydrooj/utils/lib/status';
 import { noop, Time } from '@hydrooj/utils/lib/utils';
 import { NotFoundError } from 'hydrooj/src/error';
@@ -13,9 +14,15 @@ import * as contest from 'hydrooj/src/model/contest';
 import domain from 'hydrooj/src/model/domain';
 import problem from 'hydrooj/src/model/problem';
 import record from 'hydrooj/src/model/record';
+import SolutionModel from 'hydrooj/src/model/solution';
 import * as system from 'hydrooj/src/model/system';
 import user from 'hydrooj/src/model/user';
 
+const turndown = new TurndownService({
+    codeBlockStyle: 'fenced',
+    bulletListMarker: '-',
+});
+
 const statusMap = {
     4: STATUS.STATUS_ACCEPTED,
     5: STATUS.STATUS_WRONG_ANSWER,
@@ -145,6 +152,8 @@ export async function run({
         accepted	int	11	Y	总ac次数
         submit	int	11	Y	总提交次数
         solved	int	11	Y	解答（未用）
+
+        solution #optional
     */
     const pidMap: Record<string, number> = {};
     const [[{ 'count(*)': pcount }]] = await query('SELECT count(*) FROM `problem`');
@@ -183,6 +192,10 @@ export async function run({
                 maintainer,
                 html: true,
             });
+            if (pdoc.solution) {
+                const md = turndown.turndown(pdoc.solution);
+                await SolutionModel.add(domainId, pidMap[pdoc.problem_id], 1, md);
+            }
         }
     }