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syncer_server.go
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/
syncer_server.go
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package main
import (
"context"
"github.com/breez/data-sync/config"
"github.com/breez/data-sync/middleware"
"github.com/breez/data-sync/proto"
"github.com/breez/data-sync/store"
)
type PersistentSyncerServer struct {
proto.UnimplementedSyncerServer
config *config.Config
}
func (s *PersistentSyncerServer) SetRecord(c context.Context, msg *proto.SetRecordRequest) (*proto.SetRecordReply, error) {
newVersion, err := c.Value(middleware.USER_DB_CONTEXT_KEY).(*store.SQLiteSyncStorage).SetRecord(c, msg.Record.Id, msg.Record.Data, msg.Record.Version)
if err != nil {
if err == store.ErrSetConflict {
return &proto.SetRecordReply{
Status: proto.SetRecordStatus_CONFLICT,
}, nil
}
return nil, err
}
return &proto.SetRecordReply{
Status: proto.SetRecordStatus_SUCCESS,
NewVersion: newVersion,
}, nil
}
func (s *PersistentSyncerServer) ListChanges(c context.Context, msg *proto.ListChangesRequest) (*proto.ListChangesReply, error) {
changed, err := c.Value(middleware.USER_DB_CONTEXT_KEY).(*store.SQLiteSyncStorage).ListChanges(c, msg.SinceVersion)
if err != nil {
return nil, err
}
records := make([]*proto.Record, len(changed))
for i, r := range changed {
records[i] = &proto.Record{
Id: r.RecordID,
Data: r.Data,
Version: r.Version,
}
}
return &proto.ListChangesReply{
Changes: records,
}, nil
}