module.add(user,problem,record)

hydro/model/record.js

@@ -0,0 +1,55 @@
+const
+    _ = require('lodash'),
+    { RecordNotFoundError } = require('../error'),
+    { STATUS_WAITING } = require('../status'),
+    db = require('../service/db.js'),
+    coll = db.collection('record');
+
+/**
+ * @param {import('../interface').Record} data 
+ */
+async function add(data) {
+    _.defaults(data, {
+        status: STATUS_WAITING,
+        score: 0,
+        time: 0,
+        memory: 0,
+        rejudged: false,
+        judgeTexts: [],
+        compilerTexts: [],
+        testCases: [],
+        judger: null,
+        judgeAt: null
+    });
+    let res = await coll.insertOne(data);
+    return res.insertedId;
+}
+/**
+ * @param {string} rid 
+ * @returns {import('../interface').Record}
+ */
+async function get(rid) {
+    let rdoc = await coll.findOne({ _id: rid });
+    if (!rdoc) throw new RecordNotFoundError(rid);
+    return rdoc;
+}
+async function getMany(query, sort, page, limit) {
+    return await coll.find(query).sort(sort).skip((page - 1) * limit).limit(limit).toArray();
+}
+async function update(domainId, rid, $set) {
+    await coll.findOneAndUpdate({ domainId, _id: rid }, { $set });
+    let rdoc = await coll.findOne({ domainId, _id: rid });
+    if (!rdoc) throw new RecordNotFoundError(domainId, rid);
+    return rdoc;
+}
+async function count(query) {
+    return await coll.find(query).count();
+}
+
+module.exports = {
+    add,
+    get,
+    getMany,
+    update,
+    count
+};