frostfs-api-go-pogpp/pkg/object/search.go

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package object
import (
v2object "github.com/nspcc-dev/neofs-api-go/v2/object"
)
// SearchMatchType indicates match operation on specified header.
type SearchMatchType uint32
const (
MatchUnknown SearchMatchType = iota
MatchStringEqual
)
func (m SearchMatchType) ToV2() v2object.MatchType {
switch m {
case MatchStringEqual:
return v2object.MatchStringEqual
default:
return v2object.MatchUnknown
}
}
func SearchMatchFromV2(t v2object.MatchType) (m SearchMatchType) {
switch t {
case v2object.MatchStringEqual:
m = MatchStringEqual
default:
m = MatchUnknown
}
return m
}
type SearchFilter struct {
header string
value string
op SearchMatchType
}
type SearchFilters []SearchFilter
func (f *SearchFilter) Header() string {
return f.header
}
func (f *SearchFilter) Value() string {
return f.value
}
func (f *SearchFilter) Operation() SearchMatchType {
return f.op
}
func NewSearchFilters() SearchFilters {
return SearchFilters{}
}
func NewSearchFiltersFromV2(v2 []*v2object.SearchFilter) SearchFilters {
filters := make(SearchFilters, 0, len(v2))
for i := range v2 {
if v2[i] == nil {
continue
}
filters = append(filters, SearchFilter{
header: v2[i].GetName(),
value: v2[i].GetValue(),
op: SearchMatchFromV2(v2[i].GetMatchType()),
})
}
return filters
}
func (f *SearchFilters) AddFilter(header, value string, op SearchMatchType) {
if *f == nil {
*f = make(SearchFilters, 0, 1)
}
*f = append(*f, SearchFilter{
header: header,
value: value,
op: op,
})
}
func (f SearchFilters) ToV2() []*v2object.SearchFilter {
result := make([]*v2object.SearchFilter, 0, len(f))
for i := range f {
v2 := new(v2object.SearchFilter)
v2.SetName(f[i].header)
v2.SetValue(f[i].value)
v2.SetMatchType(f[i].op.ToV2())
result = append(result, v2)
}
return result
}