forked from ebhomengo/niki
66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
package migrator
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import (
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"database/sql"
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"fmt"
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"git.gocasts.ir/ebhomengo/niki/repository/mysql"
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migrate "github.com/rubenv/sql-migrate"
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)
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type Migrator struct {
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dialect string
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dbConfig mysql.Config
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migrations *migrate.FileMigrationSource
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}
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func New(dbConfig mysql.Config, path string) Migrator {
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migrations := &migrate.FileMigrationSource{
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Dir: path,
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}
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return Migrator{
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dialect: "mysql",
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dbConfig: dbConfig,
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migrations: migrations,
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}
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}
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func (m Migrator) Up() {
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db, err := sql.Open(m.dialect, fmt.Sprintf("%s:%s@(%s:%d)/%s?parseTime=true",
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m.dbConfig.Username,
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m.dbConfig.Password,
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m.dbConfig.Host,
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m.dbConfig.Port,
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m.dbConfig.DBName))
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if err != nil {
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fmt.Println(err)
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panic(fmt.Errorf("can't open db : %v", err))
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}
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n, err := migrate.Exec(db, m.dialect, m.migrations, migrate.Up)
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if err != nil {
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panic(fmt.Errorf("can't apply migrations: %v", err))
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}
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fmt.Printf("Applied %d migrations!\n", n)
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}
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func (m Migrator) Down() {
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db, err := sql.Open(m.dialect, fmt.Sprintf("%s:%s@(%s:%d)/%s?parseTime=true",
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m.dbConfig.Username,
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m.dbConfig.Password,
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m.dbConfig.Host,
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m.dbConfig.Port,
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m.dbConfig.DBName))
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if err != nil {
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panic(fmt.Errorf("can't open db connection: %v", err))
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}
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n, err := migrate.Exec(db, m.dialect, m.migrations, migrate.Down)
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if err != nil {
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panic(fmt.Errorf("can't rollback migrations: %v", err))
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}
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fmt.Printf("Rollback %d migrations!\n", n)
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}
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