Ghost/ghost/data-generator/lib/importers/MembersNewslettersImporter.js
Sam Lord 4ff467794f Entirely rewrote data generator to simplify codebase
refs: https://github.com/TryGhost/DevOps/issues/11

This is a pretty huge commit, but the relevant points are:
* Each importer no longer needs to be passed a set of data, it just gets the data it needs
* Each importer specifies its dependencies, so that the order of import can be determined at runtime using a topological sort
* The main data generator function can just tell each importer to import the data it has

This makes working on the data generator much easier.

Some other benefits are:
* Batched importing, massively speeding up the whole process
* `--tables` to set the exact tables you want to import, and specify the quantity of each
2023-08-04 13:36:09 +01:00

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JavaScript

const {faker} = require('@faker-js/faker');
const TableImporter = require('./TableImporter');
class MembersNewslettersImporter extends TableImporter {
static table = 'members_newsletters';
static dependencies = ['members_subscribe_events'];
constructor(knex, transaction) {
super(MembersNewslettersImporter.table, knex, transaction);
}
async import(quantity) {
const membersSubscribeEvents = await this.transaction.select('member_id', 'newsletter_id').from('members_subscribe_events');
await this.importForEach(membersSubscribeEvents, quantity ? quantity / membersSubscribeEvents.length : 1);
}
generate() {
return {
id: faker.database.mongodbObjectId(),
member_id: this.model.member_id,
newsletter_id: this.model.newsletter_id
};
}
}
module.exports = MembersNewslettersImporter;