misskey-awawa/tools/migration/nighthike/9.js

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