Ghost/ghost/data-generator/lib/data-generator.js
2023-05-03 16:28:29 +01:00

462 lines
18 KiB
JavaScript

const tables = require('./tables');
// Order here does not matter
const {
NewslettersImporter,
PostsImporter,
UsersImporter,
TagsImporter,
ProductsImporter,
MembersImporter,
BenefitsImporter,
MentionsImporter,
PostsAuthorsImporter,
PostsTagsImporter,
ProductsBenefitsImporter,
MembersProductsImporter,
PostsProductsImporter,
MembersNewslettersImporter,
StripeProductsImporter,
StripePricesImporter,
SubscriptionsImporter,
EmailsImporter,
MembersCreatedEventsImporter,
MembersLoginEventsImporter,
MembersStatusEventsImporter,
MembersSubscribeEventsImporter,
MembersStripeCustomersImporter,
MembersPaidSubscriptionEventsImporter,
EmailBatchesImporter,
EmailRecipientsImporter,
RedirectsImporter,
MembersClickEventsImporter,
OffersImporter,
MembersStripeCustomersSubscriptionsImporter,
MembersSubscriptionCreatedEventsImporter,
LabelsImporter,
MembersLabelsImporter,
RolesUsersImporter,
MembersFeedbackImporter
} = tables;
const path = require('path');
const fs = require('fs/promises');
const {faker} = require('@faker-js/faker');
const JsonImporter = require('./utils/json-importer');
const {getProcessRoot} = require('@tryghost/root-utils');
/**
* @typedef {Object} DataGeneratorOptions
* @property {string} baseDataPack
* @property {import('knex/types').Knex} knex
* @property {Object} schema
* @property {Object} logger
* @property {Object} modelQuantities
* @property {string} baseUrl
* @property {boolean} clearDatabase
*/
const defaultQuantities = {
members: () => faker.datatype.number({
min: 7000,
max: 8000
}),
// This will generate n * <members> events, is not worth being very high
membersLoginEvents: 5,
posts: () => faker.datatype.number({
min: 80,
max: 120
})
};
class DataGenerator {
/**
*
* @param {DataGeneratorOptions} options
*/
constructor({
baseDataPack = '',
knex,
schema,
logger,
modelQuantities = {},
baseUrl,
clearDatabase
}) {
this.useBaseData = baseDataPack !== '';
this.baseDataPack = baseDataPack;
this.knex = knex;
this.schema = schema;
this.logger = logger;
this.modelQuantities = Object.assign({}, defaultQuantities, modelQuantities);
this.baseUrl = baseUrl;
this.clearDatabase = clearDatabase;
}
async importData() {
const transaction = await this.knex.transaction();
if (this.clearDatabase) {
this.logger.info('Clearing existing database');
// List of tables ordered to avoid dependencies when deleting
const tableNames = Object.values(tables).map(importer => importer.table).reverse();
// We don't currently generate posts_meta, but we need to clear it to ensure posts can be removed
tableNames.unshift('posts_meta');
for (const table of tableNames) {
this.logger.debug(`Clearing table ${table}`);
if (table === 'roles_users') {
await transaction(table).del().whereNot('user_id', '1');
continue;
}
if (table === 'users') {
// Avoid deleting the admin user
await transaction(table).del().whereNot('id', '1');
continue;
}
await transaction(table).del();
}
this.logger.info('Finished clearing database');
}
this.logger.info('Starting import process, this has two parts: base data and member data. It can take a while...');
const usersImporter = new UsersImporter(transaction);
const users = await usersImporter.import({amount: 8});
let newsletters;
let posts;
let tags;
let products;
let stripeProducts;
let stripePrices;
let benefits;
let labels;
// Use an existant set of data for a more realisitic looking site
if (this.useBaseData) {
let baseDataPack = this.baseDataPack;
if (!path.isAbsolute(this.baseDataPack)) {
baseDataPack = path.join(getProcessRoot(), baseDataPack);
}
let baseData = {};
try {
baseData = JSON.parse(await (await fs.readFile(baseDataPack)).toString());
this.logger.info('Read base data pack');
} catch (error) {
this.logger.error('Failed to read data pack: ', error);
throw error;
}
this.logger.info('Starting base data import');
const jsonImporter = new JsonImporter(transaction);
// Must have at least 2 in base data set
newsletters = await jsonImporter.import({
name: 'newsletters',
data: baseData.newsletters,
rows: ['sort_order']
});
newsletters.sort((a, b) => a.sort_order - b.sort_order);
const postsImporter = new PostsImporter(transaction, {
newsletters
});
posts = await jsonImporter.import({
name: 'posts',
data: baseData.posts
});
await postsImporter.addNewsletters({posts});
posts = await transaction.select('id', 'newsletter_id', 'published_at', 'slug', 'status', 'visibility', 'title').from('posts');
tags = await jsonImporter.import({
name: 'tags',
data: baseData.tags
});
products = await jsonImporter.import({
name: 'products',
data: baseData.products,
rows: ['name', 'monthly_price', 'yearly_price']
});
benefits = await jsonImporter.import({
name: 'benefits',
data: baseData.benefits
});
await jsonImporter.import({
name: 'products_benefits',
data: baseData.products_benefits
});
stripeProducts = await jsonImporter.import({
name: 'stripe_products',
data: baseData.stripe_products,
rows: ['product_id', 'stripe_product_id']
});
stripePrices = await jsonImporter.import({
name: 'stripe_prices',
data: baseData.stripe_prices,
rows: ['stripe_price_id', 'interval', 'stripe_product_id', 'currency', 'amount', 'nickname']
});
labels = await jsonImporter.import({
name: 'labels',
data: baseData.labels
});
// Import settings
await transaction('settings').del();
await jsonImporter.import({
name: 'settings',
data: baseData.settings
});
await jsonImporter.import({
name: 'custom_theme_settings',
data: baseData.custom_theme_settings
});
this.logger.info('Completed base data import');
} else {
this.logger.info('No base data pack specified, starting random base data generation');
const newslettersImporter = new NewslettersImporter(transaction);
// First newsletter is paid, second is free
newsletters = await newslettersImporter.import({amount: 2, rows: ['sort_order']});
newsletters.sort((a, b) => a.sort_order - b.sort_order);
const postsImporter = new PostsImporter(transaction, {
newsletters
});
posts = await postsImporter.import({
amount: this.modelQuantities.posts,
rows: ['newsletter_id', 'published_at', 'slug', 'status', 'visibility', 'title', 'type']
});
posts.push(...await postsImporter.import({
amount: 3,
type: 'page',
rows: ['newsletter_id', 'published_at', 'slug', 'status', 'visibility', 'title', 'type']
}));
const tagsImporter = new TagsImporter(transaction, {
users
});
tags = await tagsImporter.import({amount: faker.datatype.number({
min: 16,
max: 24
})});
const productsImporter = new ProductsImporter(transaction);
products = await productsImporter.import({amount: 4, rows: ['name', 'monthly_price', 'yearly_price']});
const stripeProductsImporter = new StripeProductsImporter(transaction);
stripeProducts = await stripeProductsImporter.importForEach(products.filter(product => product.name !== 'Free'), {
amount: 1,
rows: ['product_id', 'stripe_product_id']
});
const stripePricesImporter = new StripePricesImporter(transaction, {products});
stripePrices = await stripePricesImporter.importForEach(stripeProducts, {
amount: 2,
rows: ['stripe_price_id', 'interval', 'stripe_product_id', 'currency', 'amount', 'nickname']
});
await productsImporter.addStripePrices({
products,
stripeProducts,
stripePrices
});
const benefitsImporter = new BenefitsImporter(transaction);
benefits = await benefitsImporter.import({amount: 5});
const productsBenefitsImporter = new ProductsBenefitsImporter(transaction, {benefits});
// Up to 5 benefits for each product
await productsBenefitsImporter.importForEach(products, {amount: 5});
const labelsImporter = new LabelsImporter(transaction);
labels = await labelsImporter.import({amount: 10});
this.logger.info('Completed random base data generation');
}
this.logger.info('Started member data generation');
const postsTagsImporter = new PostsTagsImporter(transaction, {
tags
});
await postsTagsImporter.importForEach(posts, {
amount: () => faker.datatype.number({
min: 0,
max: 3
})
});
const membersImporter = new MembersImporter(transaction);
const members = await membersImporter.import({amount: this.modelQuantities.members, rows: ['status', 'created_at', 'name', 'email', 'uuid']});
const postsAuthorsImporter = new PostsAuthorsImporter(transaction, {
users
});
await postsAuthorsImporter.importForEach(posts, {amount: 1});
// TODO: Use subscriptions to generate members_products table?
const membersProductsImporter = new MembersProductsImporter(transaction, {products: products.filter(product => product.name !== 'Free')});
const membersProducts = await membersProductsImporter.importForEach(members.filter(member => member.status !== 'free'), {
amount: 1,
rows: ['product_id', 'member_id']
});
const membersFreeProductsImporter = new MembersProductsImporter(transaction, {products: products.filter(product => product.name === 'Free')});
await membersFreeProductsImporter.importForEach(members.filter(member => member.status === 'free'), {
amount: 1,
rows: ['product_id', 'member_id']
});
const postsProductsImporter = new PostsProductsImporter(transaction, {products: products.slice(1)});
// Paid newsletters
await postsProductsImporter.importForEach(posts.filter(post => newsletters.findIndex(newsletter => newsletter.id === post.newsletter_id) === 0), {
// Each post is available on all 3 premium products
amount: 3
});
const membersCreatedEventsImporter = new MembersCreatedEventsImporter(transaction, {posts});
await membersCreatedEventsImporter.importForEach(members, {amount: 1});
const membersLoginEventsImporter = new MembersLoginEventsImporter(transaction);
// Will create roughly 1 login event for every 3 days, up to a maximum of 100.
await membersLoginEventsImporter.importForEach(members, {amount: this.modelQuantities.membersLoginEvents});
const membersStatusEventsImporter = new MembersStatusEventsImporter(transaction);
// Up to 2 events per member - 1 from null -> free, 1 from free -> {paid, comped}
await membersStatusEventsImporter.importForEach(members, {amount: 2});
const subscriptionsImporter = new SubscriptionsImporter(transaction, {members, stripeProducts, stripePrices});
const subscriptions = await subscriptionsImporter.importForEach(membersProducts, {
amount: 1,
rows: ['cadence', 'tier_id', 'expires_at', 'created_at', 'member_id', 'currency']
});
const membersStripeCustomersImporter = new MembersStripeCustomersImporter(transaction);
const membersStripeCustomers = await membersStripeCustomersImporter.importForEach(members, {
amount: 1,
rows: ['customer_id', 'member_id']
});
const membersStripeCustomersSubscriptionsImporter = new MembersStripeCustomersSubscriptionsImporter(transaction, {
membersStripeCustomers,
products,
stripeProducts,
stripePrices
});
const membersStripeCustomersSubscriptions = await membersStripeCustomersSubscriptionsImporter.importForEach(subscriptions, {
amount: 1,
rows: ['mrr', 'plan_id', 'ghost_subscription_id']
});
const membersSubscribeEventsImporter = new MembersSubscribeEventsImporter(transaction, {newsletters, subscriptions});
const membersSubscribeEvents = await membersSubscribeEventsImporter.importForEach(members, {
amount: 2,
rows: ['member_id', 'newsletter_id', 'created_at']
});
const membersNewslettersImporter = new MembersNewslettersImporter(transaction);
await membersNewslettersImporter.importForEach(membersSubscribeEvents, {amount: 1});
const membersPaidSubscriptionEventsImporter = new MembersPaidSubscriptionEventsImporter(transaction, {
membersStripeCustomersSubscriptions
});
await membersPaidSubscriptionEventsImporter.importForEach(subscriptions, {amount: 1});
const membersSubscriptionCreatedEventsImporter = new MembersSubscriptionCreatedEventsImporter(transaction, {subscriptions, posts});
await membersSubscriptionCreatedEventsImporter.importForEach(membersStripeCustomersSubscriptions, {amount: 1});
const mentionsImporter = new MentionsImporter(transaction, {baseUrl: this.baseUrl});
// Generate up to 4 webmentions per post
await mentionsImporter.importForEach(posts, {amount: 4});
const emailsImporter = new EmailsImporter(transaction, {newsletters, members, membersSubscribeEvents});
const emails = await emailsImporter.importForEach(posts.filter(post => post.newsletter_id), {
amount: 1,
rows: ['created_at', 'email_count', 'delivered_count', 'opened_count', 'failed_count', 'newsletter_id', 'post_id']
});
const emailBatchesImporter = new EmailBatchesImporter(transaction);
const emailBatches = await emailBatchesImporter.importForEach(emails, {
amount: 1,
rows: ['email_id', 'updated_at']
});
const emailRecipientsImporter = new EmailRecipientsImporter(transaction, {emailBatches, members, membersSubscribeEvents});
const emailRecipients = await emailRecipientsImporter.importForEach(emails, {
amount: this.modelQuantities.members,
rows: ['opened_at', 'email_id', 'member_id']
});
await membersImporter.addOpenRate({emailRecipients});
const redirectsImporter = new RedirectsImporter(transaction);
const redirects = await redirectsImporter.importForEach(posts.filter(post => post.newsletter_id), {
amount: 10,
rows: ['post_id']
});
const membersClickEventsImporter = new MembersClickEventsImporter(transaction, {redirects, emails});
await membersClickEventsImporter.importForEach(emailRecipients, {amount: 2});
const offersImporter = new OffersImporter(transaction, {products: products.filter(product => product.name !== 'Free')});
await offersImporter.import({amount: 2});
const membersLabelsImporter = new MembersLabelsImporter(transaction, {labels});
await membersLabelsImporter.importForEach(members, {
amount: 1
});
const roles = await transaction.select('id', 'name').from('roles');
const rolesUsersImporter = new RolesUsersImporter(transaction, {roles});
await rolesUsersImporter.importForEach(users, {amount: 1});
const membersFeedbackImporter = new MembersFeedbackImporter(transaction, {emails});
await membersFeedbackImporter.importForEach(emailRecipients, {amount: 1});
await transaction.commit();
this.logger.info('Completed member data generation');
this.logger.ok('Completed import process.');
}
async importSingleTable(tableName, quantity) {
this.logger.info('Importing a single table');
const transaction = await this.knex.transaction();
const importMembers = async () => {
this.logger.info(`Importing ${quantity ?? this.modelQuantities.members} members`);
const membersImporter = new MembersImporter(transaction);
await membersImporter.import({amount: quantity ?? this.modelQuantities.members});
};
const importMentions = async () => {
const posts = await transaction.select('id', 'newsletter_id', 'published_at', 'slug', 'status', 'visibility').from('posts');
this.logger.info(`Importing up to ${posts.length * 4} mentions`);
const mentionsImporter = new MentionsImporter(transaction, {baseUrl: this.baseUrl});
await mentionsImporter.importForEach(posts, {amount: 4});
};
switch (tableName) {
case 'members':
await importMembers();
break;
case 'mentions':
await importMentions();
break;
default:
this.logger.warn(`Cannot import single table '${tableName}'`);
await transaction.commit(); // no-op, just close the transaction
return;
}
this.logger.ok('Completed import process.');
await transaction.commit();
}
}
module.exports = DataGenerator;
module.exports.tables = tables;