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package db
import (
"context"
"log/slog"
"github.com/jackc/pgx/v5"
"github.com/jackc/pgx/v5/pgxpool"
)
type TxManager interface {
RunInTx(ctx context.Context, fn func(q Querier) error) error
}
type PgxTxManager struct {
pool *pgxpool.Pool
queries *Queries
}
func NewTxManager(pool *pgxpool.Pool, queries *Queries) *PgxTxManager {
return &PgxTxManager{pool: pool, queries: queries}
}
func (m *PgxTxManager) RunInTx(ctx context.Context, fn func(q Querier) error) error {
tx, err := m.pool.Begin(ctx)
if err != nil {
return err
}
defer func() {
if err := tx.Rollback(ctx); err != nil && err != pgx.ErrTxClosed {
slog.Error("failed to rollback transaction", "error", err)
}
}()
qtx := m.queries.WithTx(tx)
if err := fn(qtx); err != nil {
return err
}
return tx.Commit(ctx)
}
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