func logerror(err error) error {
	errf("ERROR: %v", err)
	return err
}
logerror logs the error and returns it.
package models
import (
	"context"
	"database/sql"
	"database/sql/driver"
	"encoding/csv"
	"fmt"
	"io"
	"regexp"
	"strings"
)
var (
	logf = func(string, ...interface{}) {}
	errf = func(string, ...interface{}) {}
)