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refactor error handling in pit_vow

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This commit is contained in:
yaoandrew 2018-12-19 00:49:09 -08:00
parent 843d30c88e
commit f655997fde
1 changed files with 22 additions and 12 deletions
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34
pkg/transformers/cat_file/pit_vow/repository.go
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@ -19,6 +19,7 @@ import (
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared/constants"
"log"
)
type CatFilePitVowRepository struct {
@ -26,32 +27,41 @@ type CatFilePitVowRepository struct {
}
func (repository CatFilePitVowRepository) Create(headerID int64, models []interface{}) error {
tx, err := repository.db.Begin()
if err != nil {
return err
tx, dBaseErr := repository.db.Begin()
if dBaseErr != nil {
return dBaseErr
}
for _, model := range models {
vow, ok := model.(CatFilePitVowModel)
if !ok {
tx.Rollback()
rollbackErr := tx.Rollback()
if rollbackErr != nil {
log.Println("failed to rollback ", rollbackErr)
}
return fmt.Errorf("model of type %T, not %T", model, CatFilePitVowModel{})
}
_, err = repository.db.Exec(
_, execErr := repository.db.Exec(
`INSERT into maker.cat_file_pit_vow (header_id, what, data, tx_idx, log_idx, raw_log)
VALUES($1, $2, $3, $4, $5, $6)`,
headerID, vow.What, vow.Data, vow.TransactionIndex, vow.LogIndex, vow.Raw,
)
if err != nil {
tx.Rollback()
return err
if execErr != nil {
rollbackErr := tx.Rollback()
if rollbackErr != nil {
log.Println("failed to rollback ", rollbackErr)
}
return execErr
}
}
err = shared.MarkHeaderCheckedInTransaction(headerID, tx, constants.CatFilePitVowChecked)
if err != nil {
tx.Rollback()
return err
checkHeaderErr := shared.MarkHeaderCheckedInTransaction(headerID, tx, constants.CatFilePitVowChecked)
if checkHeaderErr != nil {
rollbackErr := tx.Rollback()
if rollbackErr != nil {
log.Println("failed to rollback ", rollbackErr)
}
return checkHeaderErr
}
return tx.Commit()
}