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46 lines
1.7 KiB
JavaScript
46 lines
1.7 KiB
JavaScript
#!/usr/bin/env node
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const path = require('path')
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require('dotenv').config({path: path.join(__dirname, '../.env')})
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const pg = require('../db/pg')
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const newDB = require('../db')
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const oldDB = require('./mongo')('mongodb://localhost/sos')
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const createItems = require('./tasks/createItems')
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const createUsers = require('./tasks/createUsers')
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const uploadImages = require('./tasks/uploadImages')
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const saveExcelDataFile = require('./tasks/writeExcelSheet')
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async function doMigration() {
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const items = await oldDB.sock.find().lean().exec()
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const allUsers = await oldDB.user.find().populate('purchases').lean().exec()
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const carts = allUsers.map(u => u.purchases).flat()
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const coupons = await oldDB.coupon.find().lean().exec()
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const registeredUsers = allUsers.filter(user => user.email)
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console.log(`Loaded ${carts.length} purchases and ${registeredUsers.length} users`)
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console.log(`Inserting ${registeredUsers.length} users into the database`)
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const importAdmin = await createUsers(newDB, registeredUsers);
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console.log(` Found user account ${importAdmin.uuid} (${importAdmin.email}) to attribute file uploads to`)
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console.log(`\nInserting ${items.length} items into database`)
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const itemImages = await createItems(newDB, items);
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const numImages = itemImages.map(({images}) => images.length).reduce((a,b) => b+a, 0)
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console.log(`\nImporting ${numImages} images into database`)
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await uploadImages(newDB, itemImages, importAdmin.uuid)
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console.log('\nWriting Excel data file')
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await saveExcelDataFile(allUsers, coupons, items, path.join(__dirname, './datafile.xlsx'))
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}
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doMigration()
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.catch(console.error)
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.finally(() => {
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pg.end()
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oldDB._connection.close()
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})
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