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/* eslint-disable no-await-in-loop */
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const Mongo = global.Hydro.nodeModules.mongodb;
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const { ObjectID } = global.Hydro.nodeModules.bson;
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const dst = global.Hydro.service.db;
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const { problem } = global.Hydro.model.problem;
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const RULES = ['', 'oi', 'acm'];
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const tasks = {
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user: async (docs) => docs.map((doc) => ({
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_id: doc._id,
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uname: doc.uname,
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unameLower: doc.uname_lower,
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salt: doc.salt,
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hash: doc.hash.split('|')[1],
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hashType: doc.hash.split('|')[0] === 'vj4' ? 'hydro' : doc.hash.split('|')[0],
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gravatar: doc.gravatar,
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email: doc.mail,
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emailLower: doc.mail_lower,
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})),
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problem: async (docs) => docs.map((doc) => ({
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_id: doc._id,
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pid: doc.doc_id || new ObjectID(),
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title: doc.title,
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content: doc.content,
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owner: doc.owner_uid,
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data: doc.data,
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category: doc.category,
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tag: doc.tag,
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nSubmit: doc.num_submit,
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nAccept: doc.num_accept,
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})),
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'problem.status': async (docs) => {
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const problems = [];
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for (const doc of docs) {
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problems.push({
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pid: await problem.get(doc.pid),
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rid: doc.rid,
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uid: doc.uid,
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status: doc.status,
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});
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}
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return problems;
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},
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contest: async (docs) => docs.map((doc) => ({
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_id: doc._id,
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title: doc.title,
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content: doc.content,
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owner: doc.owner_uid,
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rule: RULES[doc.rule],
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beginAt: doc.begin_at,
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endAt: doc.end_at,
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pids: doc.pids,
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attend: doc.attend,
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})),
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solution: async (docs) => docs.map((doc) => ({
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_id: doc._id,
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title: doc.title,
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content: doc.content,
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vote: doc.vote,
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})),
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};
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const cursor = {
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problem: (s) => s.collection('document').find({ doc_type: 10 }),
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'problem.status': (s) => s.collection('document.status').find({ doc_type: 10 }),
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contest: (s) => s.collection('document').find({ doc_type: 30 }),
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user: (s) => s.collection('user').find(),
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};
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async function task(name, src, report) {
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const count = await cursor[name](src).count();
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await report({ progress: 1, message: `${name}: ${count}` });
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const total = Math.floor(count / 50);
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for (let i = 0; i <= total; i++) {
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const docs = await cursor[name](src).skip(i * 50).limit(50).toArray();
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await dst.collection(name).insertMany(await tasks[name](docs));
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await report({ progress: Math.round(100 * (i / total)) });
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}
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}
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async function migrateVijos({
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host, port, name, username, password,
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}, report = () => { }) {
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let mongourl = 'mongodb://';
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if (username) mongourl += `${username}:${password}@`;
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mongourl += `${host}:${port}/${name}`;
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const Database = await Mongo.MongoClient.connect(mongourl, {
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useNewUrlParser: true, useUnifiedTopology: true,
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});
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const src = Database.db(name);
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await report({ progress: 0, message: 'Database connected.' });
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await dst.collection('system').insertOne({
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_id: 'user',
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value: (await src.collection('system').findOne({ _id: 'user_counter' })).value,
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});
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await report({ progress: 1, message: 'Collection:system done.' });
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await task('problem', src, report);
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await task('problem.status', src, report);
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await task('contest', src, report);
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}
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global.Hydro.script.migrateVijos = module.exports = migrateVijos;
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