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types.go
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/
types.go
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package messengertypes
import (
"encoding/json"
"fmt"
"github.com/gogo/protobuf/proto"
"berty.tech/berty/v2/go/pkg/errcode"
)
func (x *AppMessage_Type) UnmarshalJSON(bytes []byte) error {
if x == nil {
return fmt.Errorf("invalid input")
}
named := ""
if err := json.Unmarshal(bytes, &named); err != nil {
return err
}
if v, ok := AppMessage_Type_value[named]; ok {
v := AppMessage_Type(v)
*x = v
}
return nil
}
func (x *AppMessage_Type) MarshalJSON() ([]byte, error) {
if x == nil {
return json.Marshal(AppMessage_Undefined.String())
}
if v, ok := AppMessage_Type_name[int32(*x)]; ok {
return json.Marshal(v)
}
return json.Marshal(AppMessage_Undefined.String())
}
func (x AppMessage_Type) MarshalPayload(sentDate int64, target string, medias []*Media, payload proto.Message) ([]byte, error) {
p, err := proto.Marshal(payload)
if err != nil {
return nil, err
}
return proto.Marshal(&AppMessage{Type: x, TargetCID: target, Payload: p, SentDate: sentDate, Medias: mediaSliceFilterForNetwork(medias)})
}
func mediaSliceFilterForNetwork(dbMedias []*Media) []*Media {
networkMedias := make([]*Media, len(dbMedias))
for i, dbMedia := range dbMedias {
networkMedias[i] = &Media{
CID: dbMedia.GetCID(),
MimeType: dbMedia.GetMimeType(),
Filename: dbMedia.GetFilename(),
DisplayName: dbMedia.GetDisplayName(),
MetadataBytes: dbMedia.GetMetadataBytes(),
}
}
return networkMedias
}
// UnmarshalPayload tries to parse an AppMessage payload in the corresponding type.
// Since this function returns a proto.Message interface, you still need to cast the returned value, but this function allows you to make it safely.
func (am AppMessage) UnmarshalPayload() (proto.Message, error) {
var message proto.Message
switch am.GetType() {
case AppMessage_TypeAcknowledge:
message = &AppMessage_Acknowledge{}
case AppMessage_TypeUserMessage:
message = &AppMessage_UserMessage{}
case AppMessage_TypeUserReaction:
message = &AppMessage_UserReaction{}
case AppMessage_TypeGroupInvitation:
message = &AppMessage_GroupInvitation{}
case AppMessage_TypeSetGroupInfo:
message = &AppMessage_SetGroupInfo{}
case AppMessage_TypeSetUserInfo:
message = &AppMessage_SetUserInfo{}
case AppMessage_TypeReplyOptions:
message = &AppMessage_ReplyOptions{}
case AppMessage_TypeMonitorMetadata:
message = &AppMessage_MonitorMetadata{}
default:
return nil, errcode.TODO.Wrap(fmt.Errorf("unsupported AppMessage type: %q", am.GetType()))
}
return message, proto.Unmarshal(am.GetPayload(), message)
}
func UnmarshalAppMessage(payload []byte) (proto.Message, AppMessage, error) {
// FIXME: generate this function to avoid human error
var am AppMessage
err := proto.Unmarshal(payload, &am)
if err != nil {
return nil, AppMessage{}, errcode.ErrDeserialization.Wrap(err)
}
msg, err := am.UnmarshalPayload()
if err != nil {
return nil, AppMessage{}, errcode.ErrDeserialization.Wrap(err)
}
return msg, am, nil
}
func (event *StreamEvent) UnmarshalPayload() (proto.Message, error) {
var message proto.Message
switch event.GetType() {
case StreamEvent_TypeAccountUpdated:
message = &StreamEvent_AccountUpdated{}
case StreamEvent_TypeContactUpdated:
message = &StreamEvent_ContactUpdated{}
case StreamEvent_TypeConversationUpdated:
message = &StreamEvent_ConversationUpdated{}
case StreamEvent_TypeConversationDeleted:
message = &StreamEvent_ConversationDeleted{}
case StreamEvent_TypeInteractionUpdated:
message = &StreamEvent_InteractionUpdated{}
case StreamEvent_TypeInteractionDeleted:
message = &StreamEvent_InteractionDeleted{}
case StreamEvent_TypeMemberUpdated:
message = &StreamEvent_MemberUpdated{}
case StreamEvent_TypeDeviceUpdated:
message = &StreamEvent_DeviceUpdated{}
case StreamEvent_TypeMediaUpdated:
message = &StreamEvent_MediaUpdated{}
case StreamEvent_TypeNotified:
message = &StreamEvent_Notified{}
case StreamEvent_TypeListEnded:
message = &StreamEvent_ListEnded{}
default:
return nil, errcode.TODO.Wrap(fmt.Errorf("unsupported StreamEvent type: %q", event.GetType()))
}
return message, proto.Unmarshal(event.GetPayload(), message)
}
func (event *StreamEvent_Notified) UnmarshalPayload() (proto.Message, error) {
var message proto.Message
switch event.GetType() {
case StreamEvent_Notified_TypeBasic:
message = &StreamEvent_Notified_Basic{}
case StreamEvent_Notified_TypeMessageReceived:
message = &StreamEvent_Notified_MessageReceived{}
default:
return nil, errcode.TODO.Wrap(fmt.Errorf("unsupported Notified type: %q", event.GetType()))
}
return message, proto.Unmarshal(event.GetPayload(), message)
}
func (interaction *Interaction) UnmarshalPayload() (proto.Message, error) {
appMessage := AppMessage{
Type: interaction.GetType(),
Payload: interaction.GetPayload(),
}
return appMessage.UnmarshalPayload()
}
func (event *StreamEvent) MarshalJSON() ([]byte, error) {
type Alias StreamEvent
payload, err := event.UnmarshalPayload()
return json.Marshal(&struct {
*Alias
Payload proto.Message `json:"$payload,omitempty"`
Type string `json:"$type"`
Error error `json:"$error,omitempty"`
}{
Alias: (*Alias)(event),
Payload: payload,
Type: event.GetType().String(),
Error: err,
})
}
func (interaction *Interaction) MarshalJSON() ([]byte, error) {
type Alias Interaction
payload, err := interaction.UnmarshalPayload()
return json.Marshal(&struct {
*Alias
Payload proto.Message `json:"$payload,omitempty"`
Type string `json:"$type"`
Error error `json:"$error,omitempty"`
}{
Alias: (*Alias)(interaction),
Payload: payload,
Type: interaction.GetType().String(),
Error: err,
})
}
func (contact *Contact) MarshalJSON() ([]byte, error) {
type Alias Contact
return json.Marshal(&struct {
*Alias
State string `json:"$state"`
}{
Alias: (*Alias)(contact),
State: contact.GetState().String(),
})
}
type IndexableAppMessage interface {
proto.Message
TextRepresentation() (string, error)
}
func (am *AppMessage) TextRepresentation() (string, error) {
rawPayload, err := am.UnmarshalPayload()
if err != nil {
return "", errcode.ErrDeserialization.Wrap(err)
}
indexedMessage, ok := rawPayload.(IndexableAppMessage)
if !ok {
return "", nil
}
return indexedMessage.TextRepresentation()
}
func (m *AppMessage_UserMessage) TextRepresentation() (string, error) {
return m.GetBody(), nil
}