status-go/protocol/messenger_backup_handler.go

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package protocol
import (
"database/sql"
"go.uber.org/zap"
"github.com/status-im/status-go/images"
"github.com/status-im/status-go/multiaccounts/settings"
"github.com/status-im/status-go/protocol/protobuf"
"github.com/status-im/status-go/protocol/wakusync"
)
const (
SyncWakuSectionKeyProfile = "profile"
SyncWakuSectionKeyContacts = "contacts"
SyncWakuSectionKeyCommunities = "communities"
SyncWakuSectionKeySettings = "settings"
)
func (m *Messenger) HandleBackup(state *ReceivedMessageState, message protobuf.Backup) []error {
var errors []error
err := m.handleBackedUpProfile(message.Profile, message.Clock)
if err != nil {
errors = append(errors, err)
}
for _, contact := range message.Contacts {
err = m.HandleSyncInstallationContact(state, *contact)
if err != nil {
errors = append(errors, err)
}
}
for _, community := range message.Communities {
err = m.handleSyncCommunity(state, *community)
if err != nil {
errors = append(errors, err)
}
}
err = m.handleBackedUpSettings(message.Setting)
if err != nil {
errors = append(errors, err)
}
if m.config.messengerSignalsHandler != nil {
response := wakusync.WakuBackedUpDataResponse{}
response.AddFetchingBackedUpDataDetails(SyncWakuSectionKeyProfile, message.ProfileDetails)
response.AddFetchingBackedUpDataDetails(SyncWakuSectionKeyContacts, message.ContactsDetails)
response.AddFetchingBackedUpDataDetails(SyncWakuSectionKeyCommunities, message.CommunitiesDetails)
response.AddFetchingBackedUpDataDetails(SyncWakuSectionKeySettings, message.SettingsDetails)
m.config.messengerSignalsHandler.SendWakuFetchingBackupProgress(&response)
}
return errors
}
func (m *Messenger) handleBackedUpProfile(message *protobuf.BackedUpProfile, backupTime uint64) error {
if message == nil {
return nil
}
dbDisplayNameClock, err := m.settings.GetSettingLastSynced(settings.DisplayName)
if err != nil {
return err
}
contentSet := false
response := wakusync.WakuBackedUpDataResponse{
Profile: &wakusync.BackedUpProfile{},
}
if dbDisplayNameClock < message.DisplayNameClock {
err = m.SetDisplayName(message.DisplayName, false)
if err != nil {
return err
}
contentSet = true
response.AddDisplayName(message.DisplayName)
}
syncWithBackedUpImages := false
dbImages, err := m.multiAccounts.GetIdentityImages(message.KeyUid)
if err != nil {
if err != sql.ErrNoRows {
return err
}
// if images are deleted and no images were backed up, then we need to delete them on other devices,
// that's why we don't return in case of `sql.ErrNoRows`
syncWithBackedUpImages = true
}
if len(dbImages) == 0 {
if len(message.Pictures) > 0 {
syncWithBackedUpImages = true
}
} else {
// since both images (large and thumbnail) are always stored in the same time, we're free to use either of those two clocks for comparison
lastImageStoredClock := dbImages[0].Clock
syncWithBackedUpImages = lastImageStoredClock < backupTime
}
if syncWithBackedUpImages {
if len(message.Pictures) == 0 {
err = m.multiAccounts.DeleteIdentityImage(message.KeyUid)
if err != nil {
return err
}
contentSet = true
response.AddImages(nil)
} else {
idImages := make([]images.IdentityImage, len(message.Pictures))
for i, pic := range message.Pictures {
img := images.IdentityImage{
Name: pic.Name,
Payload: pic.Payload,
Width: int(pic.Width),
Height: int(pic.Height),
FileSize: int(pic.FileSize),
ResizeTarget: int(pic.ResizeTarget),
Clock: pic.Clock,
}
idImages[i] = img
}
err = m.multiAccounts.StoreIdentityImages(message.KeyUid, idImages, false)
if err != nil {
return err
}
contentSet = true
response.AddImages(idImages)
}
}
if m.config.messengerSignalsHandler != nil && contentSet {
m.config.messengerSignalsHandler.SendWakuBackedUpProfile(&response)
}
return err
}
func (m *Messenger) handleBackedUpSettings(message *protobuf.SyncSetting) error {
if message == nil {
return nil
}
settingField, err := m.extractSyncSetting(message)
if err != nil {
m.logger.Warn("failed to handle SyncSetting from backed up message", zap.Error(err))
return nil
}
if settingField != nil {
response := wakusync.WakuBackedUpDataResponse{
Setting: settingField,
}
if m.config.messengerSignalsHandler != nil {
m.config.messengerSignalsHandler.SendWakuBackedUpSettings(&response)
}
}
return nil
}