48 lines
1.0 KiB
Go
48 lines
1.0 KiB
Go
package search
|
|
|
|
import (
|
|
"reflect"
|
|
"strings"
|
|
|
|
"github.com/photoprism/photoprism/pkg/list"
|
|
)
|
|
|
|
// Cols represents a list of database columns.
|
|
type Cols []string
|
|
|
|
// SelectString returns the columns for a search result struct as a string.
|
|
func SelectString(f interface{}, tags []string) string {
|
|
return strings.Join(SelectCols(f, tags), ", ")
|
|
}
|
|
|
|
// SelectCols returns the columns for a search result struct.
|
|
func SelectCols(f interface{}, tags []string) Cols {
|
|
v := reflect.ValueOf(f)
|
|
|
|
if v.Kind() == reflect.Ptr {
|
|
v = v.Elem()
|
|
}
|
|
|
|
if v.Kind() != reflect.Struct {
|
|
return Cols{}
|
|
}
|
|
|
|
cols := make(Cols, 0, v.NumField())
|
|
|
|
// Find matching columns for struct fields.
|
|
for i := 0; i < v.NumField(); i++ {
|
|
s := strings.TrimSpace(v.Type().Field(i).Tag.Get("select"))
|
|
|
|
// Serialize field values as string.
|
|
if s == "" || s == "-" {
|
|
continue
|
|
} else if c := strings.Split(s, ","); c[0] == "" {
|
|
continue
|
|
} else if len(tags) == 0 || list.ContainsAny(c, tags) {
|
|
cols = append(cols, c[0])
|
|
}
|
|
}
|
|
|
|
return cols
|
|
}
|