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Add migration to remove NID field from user
A requirement from client to remove the NID field since most of the contries are not really using it. #6830
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Siyasanga Mtshokotsha
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Siyasanga Mtshokotsha
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Oct 9, 2024
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packages/migration/src/migrations/user-mgnt/20241007100507-remove-nid-field.ts
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/* | ||
* This Source Code Form is subject to the terms of the Mozilla Public | ||
* License, v. 2.0. If a copy of the MPL was not distributed with this | ||
* file, You can obtain one at https://mozilla.org/MPL/2.0/. | ||
* | ||
* OpenCRVS is also distributed under the terms of the Civil Registration | ||
* & Healthcare Disclaimer located at http://opencrvs.org/license. | ||
* | ||
* Copyright (C) The OpenCRVS Authors located at https://github.com/opencrvs/opencrvs-core/blob/master/AUTHORS. | ||
*/ | ||
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import { Db, MongoClient } from 'mongodb' | ||
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export const up = async (db: Db, client: MongoClient) => { | ||
// Add migration logic for applying changes to the database | ||
// This code will be executed when running the migration | ||
// It can include creating collections, modifying documents, etc. | ||
const session = client.startSession() | ||
try { | ||
await db.collection('users').updateMany( | ||
{ identifiers: { $exists: true } }, // Only affect documents that have the identifiers field | ||
{ $unset: { identifiers: '' } } // Remove the identifiers field | ||
) | ||
} finally { | ||
await session.endSession() | ||
} | ||
} | ||
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export const down = async (db: Db, client: MongoClient) => { | ||
// Add migration logic for reverting changes made by the up() function | ||
// This code will be executed when rolling back the migration | ||
// It should reverse the changes made in the up() function | ||
const session = client.startSession() | ||
try { | ||
await db.collection('users').updateMany( | ||
{ identifiers: { $exists: false } }, // Only affect documents that no longer have the identifiers field | ||
{ $set: { identifiers: [] } } // Re-add identifiers as an empty array | ||
) | ||
} finally { | ||
await session.endSession() | ||
} | ||
} |