| 1 | const _ = require('lodash');
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| 2 | const Promise = require('bluebird');
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| 3 | const Cloudant = require('@cloudant/cloudant');
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| 4 |
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| 5 | const BATCH_UPDATE_CHUNK_SIZE = 100;
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| 6 |
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| 7 | const args = process.argv.slice(2);
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| 8 |
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| 9 | if (!args[1]) {
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| 10 | throw Error('No db specified');
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| 11 | }
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| 12 |
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| 13 | const docFilter = doc => doc.type && /order|customer/.test(doc.type);
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| 14 |
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| 15 | const docMutate = (doc) => {
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| 16 | if (!doc.modifiedAt) {
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| 17 | doc.modifiedAt = doc.modified;
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| 18 | delete doc.modified;
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| 19 | }
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| 20 |
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| 21 | if (!doc.createdAt) {
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| 22 | doc.createdAt = doc.created;
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| 23 | delete doc.created;
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| 24 | }
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| 25 |
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| 26 | return doc;
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| 27 | };
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| 28 |
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| 29 | const batchUpdateDocs = (db, docs) => Promise.all(_.chunk(docs, BATCH_UPDATE_CHUNK_SIZE).map(chunk => db.bulk({ docs: chunk })));
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| 30 |
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| 31 | args.forEach(async (dbName) => {
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| 32 | const db = new Cloudant({
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| 33 | url: args[0],
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| 34 | plugins: ['promises', 'retry'],
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| 35 | }).db.use(dbName);
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| 36 |
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| 37 | let docs = (await db.list({ include_docs: true })).rows.map(row => row.doc);
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| 38 |
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| 39 | docs = docs.filter(docFilter);
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| 40 |
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| 41 | docs = docs.map(docMutate);
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| 42 |
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| 43 | await batchUpdateDocs(db, docs);
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| 44 |
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| 45 | console.log(`${dbName} --> ${docs.length} orders/customers updated`);
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| 46 | });
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