| 1 | #!/usr/bin/env node |
| 2 | |
| 3 | const MongoClient = require('mongodb'); |
| 4 | const fs = require('fs'); |
| 5 | |
| 6 | // This script deletes charging stations |
| 7 | // Filter charging stations by id pattern |
| 8 | |
| 9 | // Use Case: charging-stations-simulator creates thousands of charging stations, which are not longer needed. |
| 10 | // Delete these charging stations all at once |
| 11 | |
| 12 | // Config |
| 13 | const config = JSON.parse(fs.readFileSync('scriptConfig.json', 'utf8')); |
| 14 | |
| 15 | // Mongo Connection and Query |
| 16 | if (config && config.mongoConnectionString) { |
| 17 | MongoClient.connect(config.mongoConnectionString, async function(err, client) { |
| 18 | const db = client.db(); |
| 19 | |
| 20 | for await (const tenantID of config.tenantIDs) { |
| 21 | const response = await db.collection(tenantID + '.chargingstations').deleteMany( |
| 22 | { _id: { '$regex': config.idPattern } } |
| 23 | ); |
| 24 | console.log(response.deletedCount, `Charging Stations with id = %${config.idPattern}% deleted. TenantID =`, tenantID); |
| 25 | } |
| 26 | client.close(); |
| 27 | }); |
| 28 | } |