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Refactor Tend transformer using factory

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This commit is contained in:
Edvard
2018-10-23 10:43:03 +02:00
parent 4d36f6200d
commit a4df8f348d
8 changed files with 76 additions and 176 deletions
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pkg/transformers/tend/repository.go
+21 -23
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@@ -19,31 +19,24 @@ import (
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
)
type Repository interface {
Create(headerId int64, tends []TendModel) error
MarkHeaderChecked(headerId int64) error
MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error)
}
type TendRepository struct {
DB *postgres.DB
}
func NewTendRepository(db *postgres.DB) TendRepository {
return TendRepository{DB: db}
}
func (r TendRepository) Create(headerId int64, tends []TendModel) error {
tx, err := r.DB.Begin()
func (repository TendRepository) Create(headerId int64, models []interface{}) error {
tx, err := repository.DB.Begin()
if err != nil {
return err
}
for _, tend := range tends {
var tend TendModel
for _, model := range models {
tend = model.(TendModel)
_, err = tx.Exec(
`INSERT into maker.tend (header_id, bid_id, lot, bid, guy, tic, tx_idx, raw_log)
VALUES($1, $2, $3, $4, $5, $6, $7, $8)`,
VALUES($1, $2, $3, $4, $5, $6, $7, $8)`,
headerId, tend.BidId, tend.Lot, tend.Bid, tend.Guy, tend.Tic, tend.TransactionIndex, tend.Raw,
)
if err != nil {
tx.Rollback()
return err
@@ -53,6 +46,7 @@ func (r TendRepository) Create(headerId int64, tends []TendModel) error {
VALUES ($1, $2)
ON CONFLICT (header_id) DO
UPDATE SET tend_checked = $2`, headerId, true)
if err != nil {
tx.Rollback()
return err
@@ -60,28 +54,32 @@ func (r TendRepository) Create(headerId int64, tends []TendModel) error {
return tx.Commit()
}
func (r TendRepository) MarkHeaderChecked(headerId int64) error {
_, err := r.DB.Exec(`INSERT INTO public.checked_headers (header_id, tend_checked)
func (repository TendRepository) MarkHeaderChecked(headerId int64) error {
_, err := repository.DB.Exec(`INSERT INTO public.checked_headers (header_id, tend_checked)
VALUES ($1, $2)
ON CONFLICT (header_id) DO
UPDATE SET tend_checked = $2`, headerId, true)
return err
}
func (r TendRepository) MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) {
func (repository TendRepository) MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) {
var result []core.Header
err := r.DB.Select(
err := repository.DB.Select(
&result,
`SELECT headers.id, headers.block_number FROM headers
LEFT JOIN checked_headers on headers.id = header_id
LEFT JOIN checked_headers on headers.id = header_id
WHERE (header_id ISNULL OR tend_checked IS FALSE)
AND headers.block_number >= $1
AND headers.block_number <= $2
AND headers.eth_node_fingerprint = $3`,
AND headers.block_number >= $1
AND headers.block_number <= $2
AND headers.eth_node_fingerprint = $3`,
startingBlockNumber,
endingBlockNumber,
r.DB.Node.ID,
repository.DB.Node.ID,
)
return result, err
}
func (repository *TendRepository) SetDB(db *postgres.DB) {
repository.DB = db
}