feat: add some api packages

internal/proto/struct.go

@@ -0,0 +1,52 @@
+package proto
+
+import (
+	"bytes"
+	"encoding/json"
+
+	"github.com/golang/protobuf/jsonpb"
+	pb_struct "github.com/golang/protobuf/ptypes/struct"
+
+	"github.com/caos/logging"
+)
+
+func MustToPBStruct(object interface{}) *pb_struct.Struct {
+	s, err := ToPBStruct(object)
+	logging.Log("PROTO-7Aa3t").OnError(err).Panic("unable to map object to pb-struct")
+
+	return s
+}
+
+func BytesToPBStruct(b []byte) (*pb_struct.Struct, error) {
+	fields := new(pb_struct.Struct)
+	err := jsonpb.Unmarshal(bytes.NewReader(b), fields)
+	return fields, err
+}
+
+func ToPBStruct(object interface{}) (*pb_struct.Struct, error) {
+	fields := new(pb_struct.Struct)
+
+	marshalled, err := json.Marshal(object)
+	if err != nil {
+		return nil, err
+	}
+
+	err = jsonpb.Unmarshal(bytes.NewReader(marshalled), fields)
+
+	return fields, err
+}
+
+func MustFromPBStruct(object interface{}, s *pb_struct.Struct) {
+	err := FromPBStruct(object, s)
+	logging.Log("PROTO-WeMYY").OnError(err).Panic("unable to map pb-struct into object")
+}
+
+func FromPBStruct(object interface{}, s *pb_struct.Struct) error {
+	marshaller := new(jsonpb.Marshaler)
+	jsonString, err := marshaller.MarshalToString(s)
+	if err != nil {
+		return err
+	}
+
+	return json.Unmarshal([]byte(jsonString), object)
+}