pronounscc/backend/db/db.go
2022-05-02 17:19:37 +02:00

49 lines
898 B
Go

package db
import (
"context"
"os"
"github.com/Masterminds/squirrel"
"github.com/jackc/pgx/v4/pgxpool"
"github.com/mediocregopher/radix/v4"
)
var sq = squirrel.StatementBuilder.PlaceholderFormat(squirrel.Dollar)
type DB struct {
*pgxpool.Pool
Redis radix.Client
}
func New(dsn string) (*DB, error) {
pool, err := pgxpool.Connect(context.Background(), dsn)
if err != nil {
return nil, err
}
redis, err := (&radix.PoolConfig{}).New(context.Background(), "tcp", os.Getenv("REDIS"))
if err != nil {
return nil, err
}
db := &DB{
Pool: pool,
Redis: redis,
}
return db, nil
}
// MultiCmd executes the given Redis commands in order.
// If any return an error, the function is aborted.
func (db *DB) MultiCmd(ctx context.Context, cmds ...radix.Action) error {
for _, cmd := range cmds {
err := db.Redis.Do(ctx, cmd)
if err != nil {
return err
}
}
return nil
}