src/scripts/deleteChargingStations.cjs

   1 #!/usr/bin/env node
   2
   3 const fs = require('fs');
   4
   5 const MongoClient = require('mongodb');
   6
   7 // This script deletes charging stations
   8 // Filter charging stations by id pattern
   9
  10 // Use Case: e-mobility-charging-stations-simulator creates thousands of charging stations, which are not longer needed.
  11 // Delete these charging stations all at once
  12
  13 // Config
  14 const config = JSON.parse(fs.readFileSync('scriptConfig.json', 'utf8'));
  15
  16 // Mongo Connection and Query
  17 if (config && config.mongoConnectionString) {
  18   MongoClient.connect(config.mongoConnectionString, async function (err, client) {
  19     const db = client.db();
  20
  21     for await (const tenantID of config.tenantIDs) {
  22       const response = await db
  23         .collection(`${tenantID}.chargingstations`)
  24         .deleteMany({ _id: { $regex: config.idPattern } });
  25       console.info(
  26         response.deletedCount,
  27         `Charging Stations with id = %${config.idPattern}% deleted. TenantID =`,
  28         tenantID
  29       );
  30     }
  31     client.close();
  32   });
  33 }