// Extracts the value specified by cfgHdr out of cdr
func (cdre *CdrExporter) cdrFieldValue(cdr *engine.StoredCdr, cfgCdrFld *config.CfgCdrField) (string, error) {
for _, fltrRl := range cfgCdrFld.FieldFilter {
if fltrPass, _ := cdr.PassesFieldFilter(fltrRl); !fltrPass {
return "", fmt.Errorf("Field: %s not matching filter rule %v", fltrRl.Id, fltrRl)
}
}
layout := cfgCdrFld.Layout
if len(layout) == 0 {
layout = time.RFC3339
}
var retVal string // Concatenate the resulting values
for _, rsrFld := range cfgCdrFld.Value {
var cdrVal string
switch rsrFld.Id {
case COST_DETAILS: // Special case when we need to further extract cost_details out of logDb
if cdr.ExtraFields[COST_DETAILS], err = cdre.getCdrCostDetails(cdr.CgrId, cdr.MediationRunId); err != nil {
return "", err
} else {
cdrVal = cdr.FieldAsString(rsrFld)
}
case utils.COST:
cdrVal = cdr.FormatCost(cdre.costShiftDigits, cdre.roundDecimals)
case utils.USAGE:
cdrVal = cdr.FormatUsage(layout)
case utils.SETUP_TIME:
cdrVal = cdr.SetupTime.Format(layout)
case utils.ANSWER_TIME: // Format time based on layout
cdrVal = cdr.AnswerTime.Format(layout)
case utils.DESTINATION:
cdrVal = cdr.FieldAsString(rsrFld)
if cdre.maskLen != -1 && cdre.maskedDestination(cdrVal) {
cdrVal = MaskDestination(cdrVal, cdre.maskLen)
}
default:
cdrVal = cdr.FieldAsString(rsrFld)
}
retVal += cdrVal
}
return retVal, nil
}