nex-protocols-common-go/datastore/get_metas.go
2025-01-01 19:55:13 +00:00

75 lines
2.7 KiB
Go

package datastore
import (
"github.com/PretendoNetwork/nex-go/v2"
"github.com/PretendoNetwork/nex-go/v2/types"
common_globals "github.com/PretendoNetwork/nex-protocols-common-go/v2/globals"
datastore "github.com/PretendoNetwork/nex-protocols-go/v2/datastore"
datastore_types "github.com/PretendoNetwork/nex-protocols-go/v2/datastore/types"
)
func (commonProtocol *CommonProtocol) getMetas(err error, packet nex.PacketInterface, callID uint32, dataIDs types.List[types.UInt64], param datastore_types.DataStoreGetMetaParam) (*nex.RMCMessage, *nex.Error) {
if commonProtocol.GetObjectInfoByDataID == nil {
common_globals.Logger.Warning("GetObjectInfoByDataID not defined")
return nil, nex.NewError(nex.ResultCodes.Core.NotImplemented, "change_error")
}
if err != nil {
common_globals.Logger.Error(err.Error())
return nil, nex.NewError(nex.ResultCodes.DataStore.Unknown, "change_error")
}
connection := packet.Sender()
endpoint := connection.Endpoint()
// TODO - Verify if param.PersistenceTarget is respected? It wouldn't make sense here but who knows
pMetaInfo := types.NewList[datastore_types.DataStoreMetaInfo]()
pResults := types.NewList[types.QResult]()
// * param has an AccessPassword, but it goes unchecked here.
// * The password would need to be the same for every object
// * in the input array, which doesn't make any sense. Assuming
// * it's unused until proven otherwise
for _, dataID := range dataIDs {
objectInfo, errCode := commonProtocol.GetObjectInfoByDataID(dataID)
if errCode != nil {
objectInfo = datastore_types.NewDataStoreMetaInfo()
pResults = append(pResults, types.NewQResultError(errCode.ResultCode))
} else {
errCode = commonProtocol.VerifyObjectPermission(objectInfo.OwnerID, connection.PID(), objectInfo.Permission)
if errCode != nil {
objectInfo = datastore_types.NewDataStoreMetaInfo()
pResults = append(pResults, types.NewQResultError(errCode.ResultCode))
} else {
pResults = append(pResults, types.NewQResultSuccess(nex.ResultCodes.DataStore.Unknown))
}
objectInfo.FilterPropertiesByResultOption(param.ResultOption)
}
pMetaInfo = append(pMetaInfo, objectInfo)
}
rmcResponseStream := nex.NewByteStreamOut(endpoint.LibraryVersions(), endpoint.ByteStreamSettings())
pMetaInfo.WriteTo(rmcResponseStream)
pResults.WriteTo(rmcResponseStream)
rmcResponseBody := rmcResponseStream.Bytes()
rmcResponse := nex.NewRMCSuccess(endpoint, rmcResponseBody)
rmcResponse.ProtocolID = datastore.ProtocolID
rmcResponse.MethodID = datastore.MethodGetMetas
rmcResponse.CallID = callID
if commonProtocol.OnAfterGetMetas != nil {
go commonProtocol.OnAfterGetMetas(packet, dataIDs, param)
}
return rmcResponse, nil
}