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78 lines
3.0 KiB
JavaScript
78 lines
3.0 KiB
JavaScript
const
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domain = require('./domain'),
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validator = require('../lib/validator'),
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{ ValidationError, TrainingNotFoundError } = require('../error'),
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db = require('../service/db.js'),
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coll = db.collection('traning'),
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coll_status = db.collection('training.status');
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module.exports = {
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SETTING_DIFFICULTY_ALGORITHM: 0,
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SETTING_DIFFICULTY_ADMIN: 1,
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SETTING_DIFFICULTY_AVERAGE: 2,
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async add(domainId, title, content, owner_uid, dag = [], desc = '') {
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validator.check_title(title);
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validator.check_intro(content);
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validator.check_description(desc);
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for (let node of dag)
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for (let nid of node['require_nids'])
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if (nid >= node._id)
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throw new ValidationError('dag');
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return await coll.insertOne({
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domainId, content, owner_uid,
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dag, title, desc, enroll: 0
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});
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},
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count: (domainId, query) => coll.find(Object.assign({ domainId }, query)).count(),
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async edit(domainId, tid, $set) {
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if ($set.title) validator.check_title($set.title);
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if ($set.content) validator.check_intro($set.content);
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if ($set.desc) validator.check_description($set.desc);
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if ($set.dag)
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for (let node of $set.dag)
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for (let nid of node.require_nids)
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if (nid >= node._id) throw new ValidationError('dag');
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await coll.findOneAndUpdate({ domainId, tid }, { $set });
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let tdoc = await coll.findOne({ domainId, tid });
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if (!tdoc) throw new TrainingNotFoundError(domainId, tid);
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return tdoc;
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},
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async get(domainId, tid) {
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let tdoc = await coll.findOne({ domainId, tid });
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if (!tdoc) throw new TrainingNotFoundError(domainId, tid);
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return tdoc;
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},
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get_multi: (domainId, query) => coll.find(Object.assign({ domainId }, query)),
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get_multi_status: (query) => coll.find(query),
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async get_random_id(query) {
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let pdocs = coll.find(query);
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let pcount = await pdocs.count();
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if (pcount) {
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let pdoc = await pdocs.skip(Math.floor(Math.random() * pcount)).limit(1).toArray()[0];
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return pdoc.pid;
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} else return null;
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},
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get_status: (domainId, tid, uid) => coll_status.findOne({ domainId, tid, uid }),
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set_status: (domainId, tid, uid, $set) => coll_status.findOneAndUpdate({ domainId, tid, uid }, { $set })
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};
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/*
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async def get_dict_status(domainId, uid, tids, *, fields=None):
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result = dict()
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async for tsdoc in get_multi_status(domainId=domainId,
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uid=uid,
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doc_id={'$in': list(set(tids))},
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fields=fields):
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result[tsdoc['doc_id']] = tsdoc
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return result
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async def get_dict(domainId, tids, *, fields=None):
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result = dict()
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async for tdoc in get_multi(domainId=domainId,
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doc_id={'$in': list(set(tids))},
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fields=fields):
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result[tdoc['doc_id']] = tdoc
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return result
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*/ |