Files
payload/packages/db-postgres/src/migrate.ts
2023-10-02 16:28:24 -04:00

77 lines
2.2 KiB
TypeScript

/* eslint-disable no-restricted-syntax, no-await-in-loop */
import { generateDrizzleJson } from 'drizzle-kit/utils'
import { readMigrationFiles } from 'payload/database'
import { DatabaseError } from 'pg'
import type { PostgresAdapter } from './types'
import { createMigrationTable } from './utilities/createMigrationTable'
import { migrationTableExists } from './utilities/migrationTableExists'
export async function migrate(this: PostgresAdapter): Promise<void> {
const { payload } = this
const migrationFiles = await readMigrationFiles({ payload })
let latestBatch = 0
let existingMigrations = []
const hasMigrationTable = await migrationTableExists(this.drizzle)
if (hasMigrationTable) {
;({ docs: existingMigrations } = await payload.find({
collection: 'payload-migrations',
limit: 0,
sort: '-name',
}))
if (typeof existingMigrations[0]?.batch !== 'undefined') {
latestBatch = Number(existingMigrations[0]?.batch)
}
} else {
await createMigrationTable(this.drizzle)
}
const newBatch = latestBatch + 1
// Execute 'up' function for each migration sequentially
for (const migration of migrationFiles) {
const existingMigration = existingMigrations.find(
(existing) => existing.name === migration.name,
)
// Run migration if not found in database
if (existingMigration) {
continue // eslint-disable-line no-continue
}
const start = Date.now()
payload.logger.info({ msg: `Migrating: ${migration.name}` })
const pgAdapter = payload.db
const drizzleJSON = generateDrizzleJson(pgAdapter.schema)
try {
await migration.up({ payload })
payload.logger.info({ msg: `Migrated: ${migration.name} (${Date.now() - start}ms)` })
await payload.create({
collection: 'payload-migrations',
data: {
name: migration.name,
batch: newBatch,
schema: drizzleJSON,
},
})
} catch (err: unknown) {
let msg = `Error running migration ${migration.name}`
if (err instanceof DatabaseError) {
msg += `: ${err.message}`
if (err.hint) msg += `. ${err.hint}`
}
payload.logger.error({ err, msg })
throw err
}
}
}