WASAPhoto/service/api/helpers/get-limits.go

35 lines
588 B
Go

package helpers
import (
"net/url"
"strconv"
)
const (
DEFAULT_LIMIT = 30
DEFAULT_OFFSET = 0
)
// Get the start index and limit from the query.
// If they are not present, use the default values.
func GetLimits(query url.Values) (int, int, error) {
limit := DEFAULT_LIMIT
start_index := DEFAULT_OFFSET
var err error
if query.Get("limit") != "" {
limit, err = strconv.Atoi(query.Get("limit"))
}
if query.Get("start_index") != "" {
start_index, err = strconv.Atoi(query.Get("start_index"))
}
if err != nil {
return 0, 0, err
}
return start_index, limit, nil
}