[计算相关]计算线损以及调整线损（完成）

model/report.go

@@ -7,25 +7,27 @@ import (
 )
 
 type ReportIndex struct {
-	Id                    string          `json:"id"`
-	Park                  string          `json:"parkId" db:"park_id"`
-	Period                types.DateRange `json:"period"`
-	Category              int16           `json:"category"`
-	MeterType             int16           `json:"meter04kvType" db:"meter_04kv_type"`
-	PricePolicy           int16           `json:"pricePolicy"`
-	BasisPooled           int16           `json:"basisPooled"`
-	AdjustPooled          int16           `json:"adjustPooled"`
-	LossPooled            int16           `json:"lossPooled"`
-	PublicPooled          int16           `json:"publicPooled"`
-	Published             bool            `json:"published"`
-	PublishedAt           *types.DateTime `json:"publishedAt" db:"published_at"`
-	Withdraw              int16           `json:"withdraw"`
-	LastWithdrawAppliedAt *types.DateTime `json:"lastWithdrawAppliedAt" db:"last_withdraw_applied_at"`
-	LastWithdrawAuditAt   *types.DateTime `json:"lastWithdrawAuditAt" db:"last_withdraw_audit_at"`
-	Status                *int16          `json:"status"`
-	Message               *string         `json:"message"`
-	CreatedAt             types.DateTime  `json:"createdAt" db:"created_at"`
-	LastModifiedAt        types.DateTime  `json:"lastModifiedAt" db:"last_modified_at"`
+	Id                          string          `json:"id"`
+	Park                        string          `json:"parkId" db:"park_id"`
+	Period                      types.DateRange `json:"period"`
+	Category                    int16           `json:"category"`
+	MeterType                   int16           `json:"meter04kvType" db:"meter_04kv_type"`
+	PricePolicy                 int16           `json:"pricePolicy"`
+	BasisPooled                 int16           `json:"basisPooled"`
+	AdjustPooled                int16           `json:"adjustPooled"`
+	LossPooled                  int16           `json:"lossPooled"`
+	PublicPooled                int16           `json:"publicPooled"`
+	Published                   bool            `json:"published"`
+	PublishedAt                 *types.DateTime `json:"publishedAt" db:"published_at"`
+	Withdraw                    int16           `json:"withdraw"`
+	LastWithdrawAppliedAt       *types.DateTime `json:"lastWithdrawAppliedAt" db:"last_withdraw_applied_at"`
+	LastWithdrawAuditAt         *types.DateTime `json:"lastWithdrawAuditAt" db:"last_withdraw_audit_at"`
+	Status                      *int16          `json:"status"`
+	Message                     *string         `json:"message"`
+	CreatedAt                   types.DateTime  `json:"createdAt" db:"created_at"`
+	LastModifiedAt              types.DateTime  `json:"lastModifiedAt" db:"last_modified_at"`
+	AuthorizedLossRate          float64         `json:"authorized_loss_rate" db:"authorized_loss_rate"`
+	AuthorizedLossRateIncrement float64         `json:"authorized_loss_rate_increment" db:"authorized_loss_rate_increment"`
 }
 
 type ReportSummary struct {

service/calculate/summary.go

@@ -1,7 +1,10 @@
 package calculate
 
 import (
+	"electricity_bill_calc/model"
 	"electricity_bill_calc/model/calculate"
+	"errors"
+	"fmt"
 	"github.com/shopspring/decimal"
 )
 
@@ -37,3 +40,50 @@ func removeDuplicates(meters []calculate.Meter) []calculate.Meter {
 	}
 	return result
 }
+
+//计算线损以及调整线损
+func LossCalculate(report *model.ReportIndex, Public []calculate.Meter,
+	publicTotal decimal.Decimal, summary calculate.Summary) error {
+	summary.Loss = summary.Overall.Amount.Sub(summary.TotalConsumption)
+
+	var summaryAmount decimal.Decimal
+	if summary.Overall.Amount == decimal.Zero {
+		summaryAmount = decimal.NewFromFloat(1.0)
+	} else {
+		summaryAmount = summary.Overall.Amount
+	}
+
+	summary.LossProportion = summary.Loss.Div(summaryAmount)
+
+	var authorizedLossRate decimal.Decimal
+	if summary.LossProportion.InexactFloat64() > report.AuthorizedLossRate {
+		authorizedLossRate = summary.LossProportion
+	} else {
+		return errors.New(fmt.Sprintf("经过核算园区的线损率为：{%.8f}， 核定线损率为：{%.8f}", summary.LossProportion.InexactFloat64(),authorizedLossRate.InexactFloat64()))
+	}
+
+	summary.AuthoizeLoss = model.ConsumptionUnit{
+		Amount:     decimal.NewFromFloat(summary.Overall.Amount.InexactFloat64() * authorizedLossRate.InexactFloat64()),
+		Fee:        decimal.NewFromFloat((summary.Overall.Amount.InexactFloat64() * authorizedLossRate.InexactFloat64()) * summary.Overall.Price.InexactFloat64()),
+		Price:      summary.Overall.Price,
+		Proportion: authorizedLossRate,
+	}
+
+	differentialLoss := summary.LossDilutedPrice.Sub(summary.AuthoizeLoss.Amount)
+
+	if publicTotal.InexactFloat64() <= decimal.Zero.InexactFloat64() {
+		return errors.New("园区公共表计的电量总和为非正值，或者园区未设置公共表计，无法计算核定线损")
+	}
+
+	for _, meter := range Public {
+		amountProportion := meter.Overall.Amount.InexactFloat64() / publicTotal.InexactFloat64()
+		adjustAmount := differentialLoss.InexactFloat64() * decimal.NewFromFloat(-1.0).InexactFloat64()
+		meter.AdjustLoss = model.ConsumptionUnit{
+			Amount:     decimal.NewFromFloat(adjustAmount),
+			Fee:        decimal.NewFromFloat(adjustAmount * summary.LossDilutedPrice.InexactFloat64()),
+			Price:      summary.LossDilutedPrice,
+			Proportion: decimal.NewFromFloat(amountProportion),
+		}
+	}
+	return nil
+}

service/calculate/wattCost.go

@@ -65,6 +65,12 @@ func MainCalculateProcess(rid string) {
 	//计算所有表计的总电量
 	parkTotal := TotalConsumptionCalculate(tenementReports, summary)
 
+	err = LossCalculate(report, parkMetersReports, parkTotal, summary)
+	if err != nil {
+		fmt.Println("9", err)
+		return
+	}
+
 	fmt.Println(meterRelations, poolingMetersReports, parkMetersReports, parkTotal)
 
 }