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// Vikunja is a to-do list application to facilitate your life.
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// Copyright 2018-2020 Vikunja and contributors. All rights reserved.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package migration
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import (
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"fmt"
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"src.techknowlogick.com/xormigrate"
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"xorm.io/xorm"
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"xorm.io/xorm/schemas"
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)
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func init() {
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migrations = append(migrations, &xormigrate.Migration{
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ID: "20200621214452",
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Description: "Make all dates to iso time",
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Migrate: func(tx *xorm.Engine) error {
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convertTime := func(table, column string) error {
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var sql string
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switch tx.Dialect().URI().DBType {
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case schemas.POSTGRES:
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sql = `
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ALTER TABLE ` + table + ` DROP COLUMN IF EXISTS ` + column + `_ts;
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ALTER TABLE ` + table + ` ADD COLUMN ` + column + `_ts TIMESTAMP WITHOUT TIME ZONE NULL;
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UPDATE ` + table + ` SET ` + column + `_ts = TIMESTAMP 'epoch' + ` + column + ` * INTERVAL '1 second';
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ALTER TABLE ` + table + ` ALTER COLUMN ` + column + ` TYPE TIMESTAMP USING ` + column + `_ts;
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ALTER TABLE ` + table + ` DROP COLUMN ` + column + `_ts;
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`
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case schemas.MYSQL:
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sql = `
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ALTER TABLE ` + table + ` DROP COLUMN IF EXISTS ` + column + `_ts;
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ALTER TABLE ` + table + ` ADD ` + column + `_ts DATETIME null;
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UPDATE ` + table + ` SET ` + column + `_ts = FROM_UNIXTIME(` + column + `);
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ALTER TABLE ` + table + ` DROP COLUMN ` + column + `;
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ALTER TABLE ` + table + ` CHANGE ` + column + `_ts ` + column + ` DATETIME NOT NULL;
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`
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case schemas.SQLITE:
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// welp
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default:
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return fmt.Errorf("unsupported dbms: %s", tx.Dialect().URI().DBType)
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}
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sess := tx.NewSession()
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if err := sess.Begin(); err != nil {
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return err
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}
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_, err := sess.Exec(sql)
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if err != nil {
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_ = sess.Rollback()
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return err
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}
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if err := sess.Commit(); err != nil {
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return err
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}
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return nil
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}
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for table, columns := range map[string][]string{
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"buckets": {
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"created",
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"updated",
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},
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} {
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for _, column := range columns {
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if err := convertTime(table, column); err != nil {
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return err
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}
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}
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}
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return nil
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},
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Rollback: func(tx *xorm.Engine) error {
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return nil
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},
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})
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}
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