hmn/src/migration/migrations/2021-11-06T033835Z_CleanUpP...

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package migrations
import (
"context"
"time"
"git.handmade.network/hmn/hmn/src/migration/types"
"git.handmade.network/hmn/hmn/src/oops"
"github.com/jackc/pgx/v4"
)
func init() {
registerMigration(CleanUpProjects{})
}
type CleanUpProjects struct{}
func (m CleanUpProjects) Version() types.MigrationVersion {
return types.MigrationVersion(time.Date(2021, 11, 6, 3, 38, 35, 0, time.UTC))
}
func (m CleanUpProjects) Name() string {
return "CleanUpProjects"
}
func (m CleanUpProjects) Description() string {
return "Clean up projects with data violating our new constraints"
}
func (m CleanUpProjects) Up(ctx context.Context, tx pgx.Tx) error {
var err error
_, err = tx.Exec(ctx, `
DELETE FROM handmade_project WHERE id IN (91, 92);
DELETE FROM handmade_communicationchoicelist
WHERE project_id IN (91, 92);
DELETE FROM handmade_project_languages
WHERE project_id IN (91, 92);
DELETE FROM handmade_project_screenshots
WHERE project_id IN (91, 92);
UPDATE handmade_project
SET slug = 'hmh-notes'
WHERE slug = 'hmh_notes';
`)
if err != nil {
return oops.New(err, "failed to patch up project slugs")
}
return nil
}
func (m CleanUpProjects) Down(ctx context.Context, tx pgx.Tx) error {
var err error
_, err = tx.Exec(ctx, `
-- Don't bother restoring those old projects
UPDATE handmade_project
SET slug = 'hmh_notes'
WHERE slug = 'hmh-notes';
`)
if err != nil {
return oops.New(err, "failed to restore project slugs")
}
return nil
}