Sharkey/tools/migration/nighthike/7.js

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// for Node.js interpret
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const { default: Post } = require('../../../built/models/post');
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const { default: zip } = require('@prezzemolo/zip')
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const html = require('../../../built/text/html').default;
const parse = require('../../../built/text/parse').default;
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const migrate = async (post) => {
const result = await Post.update(post._id, {
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$set: {
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textHtml: post.text ? html(parse(post.text)) : null
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}
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});
return result.ok === 1;
}
async function main() {
const count = await Post.count({});
const dop = Number.parseInt(process.argv[2]) || 5
const idop = ((count - (count % dop)) / dop) + 1
return zip(
1,
async (time) => {
console.log(`${time} / ${idop}`)
const doc = await Post.find({}, {
limit: dop, skip: time * dop
})
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)