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150 lines
3.8 KiB
JavaScript
150 lines
3.8 KiB
JavaScript
const { ObjectID } = require('bson');
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const { DocumentNotFoundError } = require('../error');
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const db = require('../service/db.js');
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const coll = db.collection('discussion');
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const collReply = db.collection('discussion.reply');
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const collStatus = db.collection('discussion.status');
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function add(parentType, parentId, owner, title, content, ip = null, highlight = false) {
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return coll.insertOne({
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owner,
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title,
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content,
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ip,
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highlight,
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parentType,
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parentId,
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nReply: 0,
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updateAt: new Date(),
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});
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}
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function get(did) {
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return coll.findOne({ _id: did });
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}
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function edit(did, title, content, highlight) {
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return coll.findOneAndUpdate({ _id: did }, { $set: { title, content, highlight } });
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}
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function del(did) {
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return Promise.all([
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coll.deleteOne({ _id: did }),
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collReply.deleteMany({ did }),
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collStatus.deleteMany({ did }),
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]);
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}
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function count(query) {
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return coll.find(query).count();
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}
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function getMulti(query) {
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return coll.find(query).sort([{ updateAt: -1 }, { _id: -1 }]);
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}
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async function addReply(did, owner, content, ip) {
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const [drdoc] = await Promise.all([
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collReply.insertOne({
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owner, did, content, ip,
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}),
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coll.updateOne({ _id: did }, { $inc: { nReply: 1 }, $set: { updateAt: new Date() } }),
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]);
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return drdoc;
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}
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function getReply(drid) {
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return collReply.findOne({ _id: drid });
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}
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function editReply(drid, content) {
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return collReply.updateOne({ _id: drid }, { $set: { content } });
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}
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async function delReply(drid) {
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const drdoc = await getReply(drid);
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if (!drdoc) throw new DocumentNotFoundError(drid);
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return await Promise.all([
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collReply.deleteOne({ _id: drid }),
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coll.updateOne({ _id: drdoc.did }, { $inc: { nReply: -1 } }),
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]);
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}
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function getMultiReply(did) {
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return coll.find({ did }).sort('_id', -1);
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}
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function getListReply(did) {
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return getMultiReply({ did }).toArray();
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}
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async function addTailReply(drid, owner, content, ip) {
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let drdoc = await collReply.findOne({ _id: drid });
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const sid = new ObjectID();
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await Promise.all([
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collReply.updateOne({ _id: drid }, {
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$push: {
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reply: {
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_id: sid, content, owner, ip,
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},
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},
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}),
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coll.updateOne({ _id: drdoc.did }, { $set: { updateAt: new Date() } }),
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]);
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drdoc = await collReply.findOne({ _id: drid });
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return [drdoc, sid];
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}
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async function getTailReply(drid, drrid) {
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const drdoc = await collReply.findOne({ _id: drid, reply: { $elemMatch: { _id: drrid } } });
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if (!drdoc) return [null, null];
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for (const drrdoc of drdoc) if (drrdoc._id === drrid) return [drdoc, drrdoc];
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return [drdoc, null];
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}
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async function editTailReply(drid, drrid, content) {
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const drdoc = await collReply.findOne({ _id: drid, reply: { $elemMatch: { _id: drrid } } });
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const { reply } = drdoc;
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for (const i in reply) {
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if (reply[i]._id === drrid) {
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reply[i].content = content;
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break;
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}
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}
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return await collReply.findOneAndUpdate({ _id: drdoc._id }, { $set: { reply } });
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}
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function delTailReply(drid, drrid) {
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return coll.findOneAndUpdate({ _id: drid }, { $pull: { reply: { _id: drrid } } });
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}
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function setStar(did, uid, star) {
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return collStatus.findOneAndUpdate({ did, uid }, { $set: { star } }, { upsert: true });
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}
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function getStatus(did, uid) {
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return collStatus.findOne({ did, uid });
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}
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module.exports = {
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add,
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get,
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edit,
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del,
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count,
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getMulti,
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addReply,
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getReply,
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editReply,
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delReply,
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getMultiReply,
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getListReply,
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addTailReply,
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getTailReply,
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editTailReply,
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delTailReply,
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setStar,
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getStatus,
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};
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