FoundKey/tools/migration/node.2018-03-13.othello.js

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2018-03-12 16:56:56 +00:00
// for Node.js interpret
const { default: Othello } = require('../../built/api/models/othello-game')
const { default: zip } = require('@prezzemolo/zip')
const migrate = async (doc) => {
const x = {};
doc.logs.forEach(log => {
log.color = log.color == 'black';
});
const result = await Othello.update(doc._id, {
$set: doc.logs
});
return result.ok === 1;
}
async function main() {
const count = await Othello.count({});
const dop = Number.parseInt(process.argv[2]) || 5
const idop = ((count - (count % dop)) / dop) + 1
return zip(
1,
async (time) => {
console.log(`${time} / ${idop}`)
const doc = await Othello.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)