/
scan-entry-metadata.go
68 lines (57 loc) · 2.01 KB
/
scan-entry-metadata.go
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package wsHandler
import (
"fmt"
"github.com/pixlise/core/v4/api/ws/wsHelpers"
protos "github.com/pixlise/core/v4/generated-protos"
)
func HandleScanEntryMetadataReq(req *protos.ScanEntryMetadataReq, hctx wsHelpers.HandlerContext) (*protos.ScanEntryMetadataResp, error) {
exprPB, indexes, err := beginDatasetFileReqForRange(req.ScanId, req.Entries, hctx)
if err != nil {
return nil, err
}
/*
sclkIdx := -1
for c, label := range exprPB.MetaLabels {
if label == "SCLK" {
sclkIdx = c
break
}
}
*/
entryMetas := []*protos.ScanEntryMetadata{}
for _, c := range indexes {
loc := exprPB.Locations[c]
metaSave := &protos.ScanEntryMetadata{Meta: map[int32]*protos.ScanMetaDataItem{}}
for _, meta := range loc.Meta {
/*
if meta.LabelIdx == int32(sclkIdx) {
// We already included SCLK as a field on ScanEntry
continue
}
*/
if meta.LabelIdx >= int32(len(exprPB.MetaLabels)) {
return nil, fmt.Errorf("LabelIdx %v out of range when reading meta for location at idx: %v", meta.LabelIdx, c)
}
label := exprPB.MetaLabels[meta.LabelIdx]
// Check that this slot isn't taken
if _, ok := metaSave.Meta[meta.LabelIdx]; ok {
return nil, fmt.Errorf("Conflicting label index %v when reading spectrum meta for spectrum at idx: %v", meta.LabelIdx, c)
}
mSave := &protos.ScanMetaDataItem{}
if t := exprPB.MetaTypes[meta.LabelIdx]; t == protos.Experiment_MT_STRING {
mSave.Value = &protos.ScanMetaDataItem_Svalue{Svalue: meta.Svalue}
} else if t == protos.Experiment_MT_INT {
mSave.Value = &protos.ScanMetaDataItem_Ivalue{Ivalue: meta.Ivalue}
} else if t == protos.Experiment_MT_FLOAT {
mSave.Value = &protos.ScanMetaDataItem_Fvalue{Fvalue: meta.Fvalue}
} else {
return nil, fmt.Errorf("Unknown type %v for meta label: %v when reading spectrum type for spectrum at idx: %v", t, label, c)
}
metaSave.Meta[meta.LabelIdx] = mSave
}
entryMetas = append(entryMetas, metaSave)
}
return &protos.ScanEntryMetadataResp{
Entries: entryMetas,
}, nil
}