hmn/src/migration/migrations/2021-04-27T034327Z_Username...

41 lines
1008 B
Go

package migrations
import (
"context"
"time"
"git.handmade.network/hmn/hmn/src/migration/types"
"git.handmade.network/hmn/hmn/src/oops"
"github.com/jackc/pgx/v5"
)
func init() {
registerMigration(UsernameUniqueIndex{})
}
type UsernameUniqueIndex struct{}
func (m UsernameUniqueIndex) Version() types.MigrationVersion {
return types.MigrationVersion(time.Date(2021, 4, 27, 3, 43, 27, 0, time.UTC))
}
func (m UsernameUniqueIndex) Name() string {
return "UsernameUniqueIndex"
}
func (m UsernameUniqueIndex) Description() string {
return "Prevent the creation of similar usernames with different character cases"
}
func (m UsernameUniqueIndex) Up(ctx context.Context, tx pgx.Tx) error {
_, err := tx.Exec(ctx, `CREATE UNIQUE INDEX auth_user_unique_username_case_insensitive ON auth_user (LOWER(username))`)
if err != nil {
return oops.New(err, "failed to add unique index")
}
return nil
}
func (m UsernameUniqueIndex) Down(ctx context.Context, tx pgx.Tx) error {
panic("Implement me")
}