src/scripts/deleteChargingStations.ts

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