Golang StoredCdr.FieldAsString方法代码示例

// Extracts the value specified by cfgHdr out of cdr
func (cdre *CdrExporter) cdrFieldValue(cdr *utils.StoredCdr, fltrRl, rsrFld *utils.RSRField, layout string) (string, error) {
	if rsrFld == nil {
		return "", nil
	}
	if fltrPass, _ := cdr.PassesFieldFilter(fltrRl); !fltrPass {
		return "", fmt.Errorf("Field: %s not matching filter rule %v", fltrRl.Id, fltrRl)
	}
	if len(layout) == 0 {
		layout = time.RFC3339
	}
	var cdrVal string
	switch rsrFld.Id {
	case COST_DETAILS: // Special case when we need to further extract cost_details out of logDb
		if cdrVal, err = cdre.getCdrCostDetails(cdr.CgrId, cdr.MediationRunId); err != nil {
			return "", err
		}
	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(&utils.RSRField{Id: utils.DESTINATION})
		if cdre.maskLen != -1 && cdre.maskedDestination(cdrVal) {
			cdrVal = MaskDestination(cdrVal, cdre.maskLen)
		}
	default:
		cdrVal = cdr.FieldAsString(rsrFld)
	}
	return rsrFld.ParseValue(cdrVal), nil
}

func (cdre *CdrExporter) getDateTimeFieldVal(cdr *utils.StoredCdr, fltrRl, fieldRl *utils.RSRField, layout string) (string, error) {
	if fieldRl == nil {
		return "", nil
	}
	if fltrPass, _ := cdr.PassesFieldFilter(fltrRl); !fltrPass {
		return "", fmt.Errorf("Field: %s not matching filter rule %v", fltrRl.Id, fltrRl)
	}
	if len(layout) == 0 {
		layout = time.RFC3339
	}
	if dtFld, err := utils.ParseTimeDetectLayout(cdr.FieldAsString(fieldRl)); err != nil {
		return "", err
	} else {
		return dtFld.Format(layout), nil
	}
}

// Write individual cdr into content buffer, build stats
func (cdre *CdrExporter) processCdr(cdr *utils.StoredCdr) error {
	if cdr == nil || len(cdr.CgrId) == 0 { // We do not export empty CDRs
		return nil
	}
	if cdre.dataUsageMultiplyFactor != 0.0 && cdr.TOR == utils.DATA {
		cdr.UsageMultiply(cdre.dataUsageMultiplyFactor, cdre.cgrPrecision)
	}
	if cdre.costMultiplyFactor != 0.0 {
		cdr.CostMultiply(cdre.costMultiplyFactor, cdre.cgrPrecision)
	}
	var err error
	cdrRow := make([]string, len(cdre.exportTemplate.ContentFields))
	for idx, cfgFld := range cdre.exportTemplate.ContentFields {
		var outVal string
		switch cfgFld.Type {
		case FILLER:
			outVal = cfgFld.Value
			cfgFld.Padding = "right"
		case CONSTANT:
			outVal = cfgFld.Value
		case utils.CDRFIELD:
			outVal, err = cdre.cdrFieldValue(cdr, cfgFld.Filter, cfgFld.ValueAsRSRField(), cfgFld.Layout)
		case DATETIME:
			outVal, err = cdre.getDateTimeFieldVal(cdr, cfgFld.Filter, cfgFld.ValueAsRSRField(), cfgFld.Layout)
		case HTTP_POST:
			var outValByte []byte
			if outValByte, err = utils.HttpJsonPost(cfgFld.Value, cdre.httpSkipTlsCheck, cdr); err == nil {
				outVal = string(outValByte)
				if len(outVal) == 0 && cfgFld.Mandatory {
					err = fmt.Errorf("Empty result for http_post field: %s", cfgFld.Name)
				}
			}
		case COMBIMED:
			outVal, err = cdre.getCombimedCdrFieldVal(cdr, cfgFld.Filter, cfgFld.ValueAsRSRField())
		case CONCATENATED_CDRFIELD:
			for _, fld := range strings.Split(cfgFld.Value, ",") {
				if fldOut, err := cdre.cdrFieldValue(cdr, cfgFld.Filter, &utils.RSRField{Id: fld}, cfgFld.Layout); err != nil {
					break // The error will be reported bellow
				} else {
					outVal += fldOut
				}
			}
		case METATAG:
			if cfgFld.Value == META_MASKDESTINATION {
				outVal, err = cdre.metaHandler(cfgFld.Value, cdr.FieldAsString(&utils.RSRField{Id: utils.DESTINATION}))
			} else {
				outVal, err = cdre.metaHandler(cfgFld.Value, cfgFld.Layout)
			}
		}
		if err != nil {
			engine.Logger.Err(fmt.Sprintf("<CdreFw> Cannot export CDR with cgrid: %s and runid: %s, error: %s", cdr.CgrId, cdr.MediationRunId, err.Error()))
			return err
		}
		fmtOut := outVal
		if fmtOut, err = FmtFieldWidth(outVal, cfgFld.Width, cfgFld.Strip, cfgFld.Padding, cfgFld.Mandatory); err != nil {
			engine.Logger.Err(fmt.Sprintf("<CdreFw> Cannot export CDR with cgrid: %s, runid: %s, fieldName: %s, fieldValue: %s, error: %s", cdr.CgrId, cdr.MediationRunId, cfgFld.Name, outVal, err.Error()))
			return err
		}
		cdrRow[idx] += fmtOut
	}
	if len(cdrRow) == 0 { // No CDR data, most likely no configuration fields defined
		return nil
	} else {
		cdre.content = append(cdre.content, cdrRow)
	}
	// Done with writing content, compute stats here
	if cdre.firstCdrATime.IsZero() || cdr.AnswerTime.Before(cdre.firstCdrATime) {
		cdre.firstCdrATime = cdr.AnswerTime
	}
	if cdr.AnswerTime.After(cdre.lastCdrATime) {
		cdre.lastCdrATime = cdr.AnswerTime
	}
	cdre.numberOfRecords += 1
	if cdr.TOR == utils.VOICE { // Only count duration for non data cdrs
		cdre.totalDuration += cdr.Usage
	}
	if cdr.TOR == utils.SMS { // Count usage for SMS
		cdre.totalSmsUsage += cdr.Usage
	}
	if cdr.TOR == utils.DATA { // Count usage for SMS
		cdre.totalDataUsage += cdr.Usage
	}
	if cdr.Cost != -1 {
		cdre.totalCost += cdr.Cost
		cdre.totalCost = utils.Round(cdre.totalCost, cdre.roundDecimals, utils.ROUNDING_MIDDLE)
	}
	if cdre.firstExpOrderId > cdr.OrderId || cdre.firstExpOrderId == 0 {
		cdre.firstExpOrderId = cdr.OrderId
	}
	if cdre.lastExpOrderId < cdr.OrderId {
		cdre.lastExpOrderId = cdr.OrderId
	}
	return nil
}