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const _ = require('lodash')
const path = require('path')
const fs = require('fs-extra')
const semver = require('semver')
/* global WIKI */
module.exports = {
async migrate (knex) {
const migrationsTableExists = await knex.schema.hasTable('migrations')
if (!migrationsTableExists) {
return
}
const dbCompat = {
charset: (WIKI.config.db.type === `mysql` || WIKI.config.db.type === `mariadb`)
}
const migrations = await knex('migrations')
if (_.some(migrations, m => m.name.indexOf('2.0.0-beta') >= 0)) {
// -> Pre-beta.241 locale field length fix
const localeColnInfo = await knex('pages').columnInfo('localeCode')
if (WIKI.config.db.type !== 'sqlite' && localeColnInfo.maxLength === 2) {
// -> Load locales
const locales = await knex('locales')
await knex.schema
// -> Remove constraints
.table('users', table => {
table.dropForeign('localeCode')
})
.table('pages', table => {
table.dropForeign('localeCode')
})
.table('pageHistory', table => {
table.dropForeign('localeCode')
})
.table('pageTree', table => {
table.dropForeign('localeCode')
})
// -> Recreate locales table
.dropTable('locales')
.createTable('locales', table => {
if (dbCompat.charset) { table.charset('utf8mb4') }
table.string('code', 5).notNullable().primary()
table.json('strings')
table.boolean('isRTL').notNullable().defaultTo(false)
table.string('name').notNullable()
table.string('nativeName').notNullable()
table.integer('availability').notNullable().defaultTo(0)
table.string('createdAt').notNullable()
table.string('updatedAt').notNullable()
})
await knex('locales').insert(locales)
// -> Alter columns length
await knex.schema
.table('users', table => {
table.string('localeCode', 5).notNullable().defaultTo('en').alter()
})
.table('pages', table => {
table.string('localeCode', 5).alter()
})
.table('pageHistory', table => {
table.string('localeCode', 5).alter()
})
.table('pageTree', table => {
table.string('localeCode', 5).alter()
})
// -> Restore restraints
.table('users', table => {
table.foreign('localeCode').references('code').inTable('locales')
})
.table('pages', table => {
table.foreign('localeCode').references('code').inTable('locales')
})
.table('pageHistory', table => {
table.foreign('localeCode').references('code').inTable('locales')
})
.table('pageTree', table => {
table.foreign('localeCode').references('code').inTable('locales')
})
}
// -> Advance to latest beta/rc migration state
const baseMigrationPath = path.join(WIKI.SERVERPATH, (WIKI.config.db.type !== 'sqlite') ? 'db/beta/migrations' : 'db/beta/migrations-sqlite')
await knex.migrate.latest({
tableName: 'migrations',
migrationSource: {
async getMigrations() {
const migrationFiles = await fs.readdir(baseMigrationPath)
return migrationFiles.sort(semver.compare).map(m => ({
file: m,
directory: baseMigrationPath
}))
},
getMigrationName(migration) {
return migration.file
},
getMigration(migration) {
return require(path.join(baseMigrationPath, migration.file))
}
}
})
// -> Cleanup migration table
await knex('migrations').truncate()
// -> Advance to stable 2.0 migration state
await knex('migrations').insert({
name: '2.0.0.js',
batch: 1,
migration_time: knex.fn.now()
})
}
}
}