'use strict'
const eachSeries = require('async/eachSeries')
+const fs = require('fs')
const path = require('path')
const constants = require('./constants')
}
function migrate (callback) {
- db.Application.loadSqlSchemaVersion(function (err, actualVersion) {
+ db.Application.loadMigrationVersion(function (err, actualVersion) {
if (err) return callback(err)
- // If there are a new mongo schemas
- if (!actualVersion || actualVersion < constants.LAST_SQL_SCHEMA_VERSION) {
+ // If there are a new migration scripts
+ if (actualVersion < constants.LAST_MIGRATION_VERSION) {
logger.info('Begin migrations.')
- eachSeries(constants.MONGO_MIGRATION_SCRIPTS, function (entity, callbackEach) {
- const versionScript = entity.version
-
- // Do not execute old migration scripts
- if (versionScript <= actualVersion) return callbackEach(null)
-
- // Load the migration module and run it
- const migrationScriptName = entity.script
- logger.info('Executing %s migration script.', migrationScriptName)
+ getMigrationScripts(function (err, migrationScripts) {
+ if (err) return callback(err)
- const migrationScript = require(path.join(__dirname, 'migrations', migrationScriptName))
- migrationScript.up(function (err) {
- if (err) return callbackEach(err)
+ eachSeries(migrationScripts, function (entity, callbackEach) {
+ executeMigration(actualVersion, entity, callbackEach)
+ }, function (err) {
+ if (err) return callback(err)
- // Update the new mongo version schema
- db.Application.updateSqlSchemaVersion(versionScript, callbackEach)
+ logger.info('Migrations finished. New migration version schema: %s', constants.LAST_MIGRATION_VERSION)
+ return callback(null)
})
- }, function (err) {
- if (err) return callback(err)
-
- logger.info('Migrations finished. New SQL version schema: %s', constants.LAST_SQL_SCHEMA_VERSION)
- return callback(null)
})
} else {
return callback(null)
module.exports = migrator
+// ---------------------------------------------------------------------------
+
+function getMigrationScripts (callback) {
+ fs.readdir(path.join(__dirname, 'migrations'), function (err, files) {
+ if (err) return callback(err)
+
+ const filesToMigrate = []
+
+ files.forEach(function (file) {
+ // Filename is something like 'version-blabla.js'
+ const version = file.split('-')[0]
+ filesToMigrate.push({
+ version,
+ script: file
+ })
+ })
+
+ return callback(err, filesToMigrate)
+ })
+}
+
+function executeMigration (actualVersion, entity, callback) {
+ const versionScript = entity.version
+
+ // Do not execute old migration scripts
+ if (versionScript <= actualVersion) return callback(null)
+
+ // Load the migration module and run it
+ const migrationScriptName = entity.script
+ logger.info('Executing %s migration script.', migrationScriptName)
+
+ const migrationScript = require(path.join(__dirname, 'migrations', migrationScriptName))
+
+ db.sequelize.transaction().asCallback(function (err, t) {
+ if (err) return callback(err)
+
+ migrationScript.up({ transaction: t }, function (err) {
+ if (err) {
+ t.rollback()
+ return callback(err)
+ }
+
+ // Update the new migration version
+ db.Application.updateMigrationVersion(versionScript, t, function (err) {
+ if (err) {
+ t.rollback()
+ return callback(err)
+ }
+
+ t.commit()
+ })
+ })
+ })
+}