fix: stable db migration + beta migration to stable

2019-11-03 21:59:58 -05:00
parent e9afcfcd94
commit 8eddc4799e
27 changed files with 750 additions and 15 deletions
--- a/server/db/beta/index.js
+++ b/server/db/beta/index.js
@@ -0,0 +1,115 @@
+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()
+      })
+    }
+  }
+}