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1 | 'use strict' |
2 | ||
3 | const eachSeries = require('async/eachSeries') | |
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4 | const path = require('path') |
5 | ||
6 | const constants = require('./constants') | |
feb4bdfd | 7 | const db = require('./database') |
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8 | const logger = require('../helpers/logger') |
9 | ||
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10 | const migrator = { |
11 | migrate: migrate | |
12 | } | |
13 | ||
14 | function migrate (callback) { | |
feb4bdfd | 15 | db.Application.loadSqlSchemaVersion(function (err, actualVersion) { |
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16 | if (err) return callback(err) |
17 | ||
18 | // If there are a new mongo schemas | |
feb4bdfd | 19 | if (!actualVersion || actualVersion < constants.LAST_SQL_SCHEMA_VERSION) { |
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20 | logger.info('Begin migrations.') |
21 | ||
22 | eachSeries(constants.MONGO_MIGRATION_SCRIPTS, function (entity, callbackEach) { | |
23 | const versionScript = entity.version | |
24 | ||
25 | // Do not execute old migration scripts | |
26 | if (versionScript <= actualVersion) return callbackEach(null) | |
27 | ||
28 | // Load the migration module and run it | |
29 | const migrationScriptName = entity.script | |
30 | logger.info('Executing %s migration script.', migrationScriptName) | |
31 | ||
32 | const migrationScript = require(path.join(__dirname, 'migrations', migrationScriptName)) | |
33 | migrationScript.up(function (err) { | |
34 | if (err) return callbackEach(err) | |
35 | ||
36 | // Update the new mongo version schema | |
feb4bdfd | 37 | db.Application.updateSqlSchemaVersion(versionScript, callbackEach) |
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38 | }) |
39 | }, function (err) { | |
40 | if (err) return callback(err) | |
41 | ||
feb4bdfd | 42 | logger.info('Migrations finished. New SQL version schema: %s', constants.LAST_SQL_SCHEMA_VERSION) |
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43 | return callback(null) |
44 | }) | |
45 | } else { | |
46 | return callback(null) | |
47 | } | |
48 | }) | |
49 | } | |
50 | ||
51 | // --------------------------------------------------------------------------- | |
52 | ||
53 | module.exports = migrator | |
54 |