94 lines
2.3 KiB
JavaScript
94 lines
2.3 KiB
JavaScript
// for Node.js interpret
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const { default: Following } = require('../../../built/models/following');
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const { default: FollowingLog } = require('../../../built/models/following-log');
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const { default: FollowedLog } = require('../../../built/models/followed-log');
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const { default: zip } = require('@prezzemolo/zip')
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const migrate = async (following) => {
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const followingCount = await Following.count({
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followerId: following.followerId,
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createdAt: { $lt: following.createdAt },
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$or: [
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{ deletedAt: { $exists: false } },
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{ deletedAt: { $gt: following.createdAt } }
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]
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});
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await FollowingLog.insert({
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createdAt: following.createdAt,
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userId: following.followerId,
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count: followingCount + 1
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});
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const followersCount = await Following.count({
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followeeId: following.followeeId,
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createdAt: { $lt: following.createdAt },
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$or: [
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{ deletedAt: { $exists: false } },
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{ deletedAt: { $gt: following.createdAt } }
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]
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});
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await FollowedLog.insert({
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createdAt: following.createdAt,
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userId: following.followeeId,
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count: followersCount + 1
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});
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if (following.deletedAt) {
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const followingCount2 = await Following.count({
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followerId: following.followerId,
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createdAt: { $lt: following.deletedAt },
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$or: [
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{ deletedAt: { $exists: false } },
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{ deletedAt: { $gt: following.createdAt } }
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]
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});
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await FollowingLog.insert({
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createdAt: following.deletedAt,
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userId: following.followerId,
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count: followingCount2 - 1
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});
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const followersCount2 = await Following.count({
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followeeId: following.followeeId,
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createdAt: { $lt: following.deletedAt },
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$or: [
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{ deletedAt: { $exists: false } },
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{ deletedAt: { $gt: following.createdAt } }
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]
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});
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await FollowedLog.insert({
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createdAt: following.deletedAt,
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userId: following.followeeId,
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count: followersCount2 - 1
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});
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}
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return true;
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}
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async function main() {
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const count = await Following.count({});
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const dop = Number.parseInt(process.argv[2]) || 5
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const idop = ((count - (count % dop)) / dop) + 1
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return zip(
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1,
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async (time) => {
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console.log(`${time} / ${idop}`)
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const doc = await Following.find({}, {
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limit: dop, skip: time * dop, sort: { _id: 1 }
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})
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return Promise.all(doc.map(migrate))
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},
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idop
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).then(a => {
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const rv = []
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a.forEach(e => rv.push(...e))
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return rv
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})
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}
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main().then(console.dir).catch(console.error)
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