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niki/validator/sort.go

29 lines
874 B
Go

package validator
import (
"fmt"
params "git.gocasts.ir/ebhomengo/niki/param"
errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
validation "github.com/go-ozzo/ozzo-validation/v4"
"slices"
)
func AreSortFieldsValid(validSortFields []string) validation.RuleFunc {
return func(value interface{}) error {
sort, ok := value.(params.SortRequest)
if !ok {
return fmt.Errorf(errmsg.ErrorMsgSomethingWentWrong)
}
if sort.Field == "" && sort.Direction != "" {
return fmt.Errorf(errmsg.ErrorMsgSortFieldIsRequired)
}
if sort.Direction != "" && sort.Direction != params.AscSortDirection && sort.Direction != params.DescSortDirection {
return fmt.Errorf(errmsg.ErrorMsgSortDirectionShouldBeAscOrDesc)
}
if sort.Field != "" && !slices.Contains(validSortFields, sort.Field) {
return fmt.Errorf(errmsg.ErrorMsgSortFieldIsNotValid)
}
return nil
}
}