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package api
import (
"log"
"github.com/ponzu-cms/ponzu/system/item"
"github.com/tidwall/sjson"
)
func omit(it interface{}, data []byte) ([]byte, error) {
// is it Omittable
om, ok := it.(item.Omittable)
if !ok {
return data, nil
}
return omitFields(om, data, "data.0.")
}
func omitFields(om item.Omittable, data []byte, pathPrefix string) ([]byte, error) {
// get fields to omit from json data
fields := om.Omit()
// remove each field from json, all responses contain json object(s) in top-level "data" array
var omitted = data
for i := range fields {
var err error
omitted, err = sjson.DeleteBytes(omitted, pathPrefix+fields[i])
if err != nil {
log.Println("Erorr omitting field:", fields[i], "from item.Omittable:", om)
return nil, err
}
}
return omitted, nil
}
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