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grpc.go
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grpc.go
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// Copyright © 2019 The Things Network Foundation, The Things Industries B.V.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package devicetemplateconverter
import (
"bytes"
"context"
"go.thethings.network/lorawan-stack/v3/pkg/devicetemplateconverter/profilefetcher"
"go.thethings.network/lorawan-stack/v3/pkg/devicetemplates"
"go.thethings.network/lorawan-stack/v3/pkg/ttnpb"
"google.golang.org/protobuf/types/known/emptypb"
)
type endDeviceTemplateConverterServer struct {
ttnpb.UnimplementedEndDeviceTemplateConverterServer
DTC *DeviceTemplateConverter
}
// ListFormats implements ttnpb.DeviceTemplateServiceServer.
func (s *endDeviceTemplateConverterServer) ListFormats(
context.Context,
*emptypb.Empty,
) (*ttnpb.EndDeviceTemplateFormats, error) {
formats := make(map[string]*ttnpb.EndDeviceTemplateFormat, len(s.DTC.converters))
for id, converter := range s.DTC.converters {
formats[id] = converter.Format()
}
return &ttnpb.EndDeviceTemplateFormats{
Formats: formats,
}, nil
}
// Convert implements ttnpb.DeviceTemplateServiceServer.
func (s *endDeviceTemplateConverterServer) Convert(
req *ttnpb.ConvertEndDeviceTemplateRequest,
res ttnpb.EndDeviceTemplateConverter_ConvertServer,
) error {
converter, ok := s.DTC.converters[req.FormatId]
if !ok {
return errNotFound.WithAttributes("id", req.FormatId)
}
ctx := res.Context()
ctx = devicetemplates.NewContextWithProfileIDs(ctx, req.GetEndDeviceVersionIds())
ctx = profilefetcher.NewContextWithFetcher(ctx, profilefetcher.NewTemplateFetcher(s.DTC.Component))
return converter.Convert(
ctx,
bytes.NewReader(req.Data),
res.Send,
)
}