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Commit | Line | Data |
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4d4e5cd4 | 1 | import * as path from 'path' |
6fcd19ba | 2 | import { logger, readdirPromise } from '../helpers' |
3fd3ab2d C |
3 | import { LAST_MIGRATION_VERSION } from './constants' |
4 | import { sequelizeTypescript } from './database' | |
6fcd19ba | 5 | |
f5028693 | 6 | async function migrate () { |
3fd3ab2d | 7 | const tables = await sequelizeTypescript.getQueryInterface().showAllTables() |
ed708d62 | 8 | |
f5028693 C |
9 | // No tables, we don't need to migrate anything |
10 | // The installer will do that | |
11 | if (tables.length === 0) return | |
5804c0db | 12 | |
91fea9fc C |
13 | let actualVersion: number = null |
14 | ||
15 | // Search in "Applications" or "application" tables | |
16 | try { | |
17 | const [ rows ] = await sequelizeTypescript.query('SELECT "migrationVersion" FROM "Applications"') | |
18 | if (rows && rows[ 0 ] && rows[ 0 ].migrationVersion) { | |
19 | actualVersion = rows[ 0 ].migrationVersion | |
20 | } | |
21 | } catch { | |
22 | const [ rows ] = await sequelizeTypescript.query('SELECT "migrationVersion" FROM "application"') | |
23 | if (rows && rows[0] && rows[0].migrationVersion) { | |
24 | actualVersion = rows[0].migrationVersion | |
25 | } | |
26 | } | |
27 | ||
f5028693 | 28 | if (actualVersion === null) { |
91fea9fc | 29 | await sequelizeTypescript.query('INSERT INTO "application" ("migrationVersion") VALUES (0)') |
f5028693 C |
30 | actualVersion = 0 |
31 | } | |
00d6b0dd | 32 | |
f5028693 C |
33 | // No need migrations, abort |
34 | if (actualVersion >= LAST_MIGRATION_VERSION) return | |
00d6b0dd | 35 | |
f5028693 C |
36 | // If there are a new migration scripts |
37 | logger.info('Begin migrations.') | |
38 | ||
39 | const migrationScripts = await getMigrationScripts() | |
00d6b0dd | 40 | |
f5028693 | 41 | for (const migrationScript of migrationScripts) { |
74bb2cb8 C |
42 | try { |
43 | await executeMigration(actualVersion, migrationScript) | |
44 | } catch (err) { | |
45 | logger.error('Cannot execute migration %s.', migrationScript.version, err) | |
46 | process.exit(0) | |
47 | } | |
f5028693 C |
48 | } |
49 | ||
50 | logger.info('Migrations finished. New migration version schema: %s', LAST_MIGRATION_VERSION) | |
00d6b0dd C |
51 | } |
52 | ||
53 | // --------------------------------------------------------------------------- | |
54 | ||
65fcc311 C |
55 | export { |
56 | migrate | |
57 | } | |
00d6b0dd | 58 | |
b769007f C |
59 | // --------------------------------------------------------------------------- |
60 | ||
f5028693 C |
61 | async function getMigrationScripts () { |
62 | const files = await readdirPromise(path.join(__dirname, 'migrations')) | |
63 | const filesToMigrate: { | |
64 | version: string, | |
65 | script: string | |
66 | }[] = [] | |
67 | ||
68 | files | |
69 | .filter(file => file.endsWith('.js.map') === false) | |
70 | .forEach(file => { | |
71 | // Filename is something like 'version-blabla.js' | |
72 | const version = file.split('-')[0] | |
73 | filesToMigrate.push({ | |
74 | version, | |
75 | script: file | |
b769007f | 76 | }) |
f5028693 | 77 | }) |
b769007f | 78 | |
f5028693 | 79 | return filesToMigrate |
b769007f C |
80 | } |
81 | ||
f5028693 | 82 | async function executeMigration (actualVersion: number, entity: { version: string, script: string }) { |
e02643f3 | 83 | const versionScript = parseInt(entity.version, 10) |
b769007f C |
84 | |
85 | // Do not execute old migration scripts | |
6fcd19ba | 86 | if (versionScript <= actualVersion) return undefined |
b769007f C |
87 | |
88 | // Load the migration module and run it | |
89 | const migrationScriptName = entity.script | |
90 | logger.info('Executing %s migration script.', migrationScriptName) | |
91 | ||
92 | const migrationScript = require(path.join(__dirname, 'migrations', migrationScriptName)) | |
93 | ||
3fd3ab2d | 94 | await sequelizeTypescript.transaction(async t => { |
4793c343 C |
95 | const options = { |
96 | transaction: t, | |
3fd3ab2d C |
97 | queryInterface: sequelizeTypescript.getQueryInterface(), |
98 | sequelize: sequelizeTypescript | |
4793c343 | 99 | } |
b769007f | 100 | |
f5028693 C |
101 | await migrationScript.up(options) |
102 | ||
103 | // Update the new migration version | |
91fea9fc | 104 | await sequelizeTypescript.query('UPDATE "application" SET "migrationVersion" = ' + versionScript, { transaction: t }) |
b769007f C |
105 | }) |
106 | } |