electricity_bill_calc_service/service/calculate.go

246 lines
9.6 KiB
Go

package service
import (
"electricity_bill_calc/exceptions"
"electricity_bill_calc/global"
"electricity_bill_calc/model"
"github.com/shopspring/decimal"
"xorm.io/builder"
"xorm.io/xorm/schemas"
)
type _CalculateService struct{}
var CalculateService _CalculateService
func (_CalculateService) ComprehensivelyCalculateReport(reportId string) (err error) {
// 资料准备
var reportIndex = new(model.Report)
has, err := global.DBConn.ID(reportId).NoAutoCondition().Get(reportIndex)
if err != nil || !has {
return exceptions.NewNotFoundErrorFromError("未找到指定的公示报表", err)
}
var summary = new(model.ReportSummary)
has, err = global.DBConn.ID(reportId).NoAutoCondition().Get(summary)
if err != nil || !has {
return exceptions.NewNotFoundErrorFromError("未找到指定的公示报表概览", err)
}
var maintenanceFeeRecords = make([]model.WillDilutedFee, 0)
err = global.DBConn.Where(builder.Eq{"report_id": reportId}).Find(&maintenanceFeeRecords)
if err != nil {
return exceptions.NewNotFoundErrorFromError("未能获取到公示报表对应的待摊薄费用信息", err)
}
var endUserDetails = make([]*model.EndUserDetail, 0)
err = global.DBConn.Where(builder.Eq{"report_id": reportId}).Find(&endUserDetails)
if err != nil {
return exceptions.NewNotFoundErrorFromError("未获取到公示报表对应的终端用户抄表信息", err)
}
// 综合计算
summary.CalculatePrices()
// 计算维护费总计
maintenanceFeeTotal := decimal.NewFromInt(0)
for _, m := range maintenanceFeeRecords {
maintenanceFeeTotal = maintenanceFeeTotal.Add(m.Fee)
}
// 计算终端用户信息与概览中的合计
summary.PublicConsumption = decimal.NewNullDecimal(decimal.Zero)
summary.PublicConsumptionCritical = decimal.NewNullDecimal(decimal.Zero)
summary.PublicConsumptionPeak = decimal.NewNullDecimal(decimal.Zero)
summary.PublicConsumptionFlat = decimal.NewNullDecimal(decimal.Zero)
summary.PublicConsumptionValley = decimal.NewNullDecimal(decimal.Zero)
summary.CustomerConsumption = decimal.NewNullDecimal(decimal.Zero)
summary.CustomerConsumptionCritical = decimal.NewNullDecimal(decimal.Zero)
summary.CustomerConsumptionPeak = decimal.NewNullDecimal(decimal.Zero)
summary.CustomerConsumptionFlat = decimal.NewNullDecimal(decimal.Zero)
summary.CustomerConsumptionValley = decimal.NewNullDecimal(decimal.Zero)
for _, eu := range endUserDetails {
eu.OverallFee = decimal.NewNullDecimal(
eu.Overall.Decimal.Mul(summary.OverallPrice.Decimal).RoundBank(2),
)
eu.CriticalFee = decimal.NewNullDecimal(
eu.Critical.Decimal.Mul(summary.CriticalPrice.Decimal).RoundBank(2),
)
eu.PeakFee = decimal.NewNullDecimal(
eu.Peak.Decimal.Mul(summary.PeakPrice.Decimal).RoundBank(2),
)
eu.FlatFee = decimal.NewNullDecimal(
eu.Flat.Decimal.Mul(summary.FlatPrice.Decimal).RoundBank(2),
)
eu.ValleyFee = decimal.NewNullDecimal(
eu.Valley.Decimal.Mul(summary.ValleyPrice.Decimal).RoundBank(2),
)
if eu.IsPublicMeter && eu.WillDilute {
summary.PublicConsumption.Decimal = summary.PublicConsumption.Decimal.Add(eu.Overall.Decimal)
summary.PublicConsumptionCritical.Decimal = summary.PublicConsumptionCritical.Decimal.Add(eu.Critical.Decimal)
summary.PublicConsumptionPeak.Decimal = summary.PublicConsumptionPeak.Decimal.Add(eu.Peak.Decimal)
summary.PublicConsumptionFlat.Decimal = summary.PublicConsumptionPeak.Decimal.Add(eu.Flat.Decimal)
summary.PublicConsumptionValley.Decimal = summary.PublicConsumptionValley.Decimal.Add(eu.Valley.Decimal)
} else {
summary.CustomerConsumption.Decimal = summary.CustomerConsumption.Decimal.Add(eu.Overall.Decimal)
summary.CustomerConsumptionCritical.Decimal = summary.CustomerConsumptionCritical.Decimal.Add(eu.Critical.Decimal)
summary.CustomerConsumptionPeak.Decimal = summary.CustomerConsumptionPeak.Decimal.Add(eu.Peak.Decimal)
summary.CustomerConsumptionFlat.Decimal = summary.CustomerConsumptionPeak.Decimal.Add(eu.Flat.Decimal)
summary.CustomerConsumptionValley.Decimal = summary.CustomerConsumptionValley.Decimal.Add(eu.Valley.Decimal)
}
}
// 计算户表总电费和公共总电费以及相应的摊薄
summary.CustomerConsumptionFee = decimal.NewNullDecimal(
summary.CustomerConsumption.Decimal.Mul(summary.OverallPrice.Decimal).RoundBank(2),
)
summary.CustomerConsumptionCriticalFee = decimal.NewNullDecimal(
summary.CustomerConsumptionCritical.Decimal.Mul(summary.OverallPrice.Decimal).RoundBank(2),
)
summary.CustomerConsumptionPeakFee = decimal.NewNullDecimal(
summary.CustomerConsumptionPeak.Decimal.Mul(summary.OverallPrice.Decimal).RoundBank(2),
)
summary.CustomerConsumptionFlatFee = decimal.NewNullDecimal(
summary.CustomerConsumptionFlat.Decimal.Mul(summary.OverallPrice.Decimal).RoundBank(2),
)
summary.CustomerConsumptionValleyFee = decimal.NewNullDecimal(
summary.CustomerConsumptionValley.Decimal.Mul(summary.OverallPrice.Decimal).RoundBank(2),
)
summary.PublicConsumptionFee = decimal.NewNullDecimal(
summary.PublicConsumption.Decimal.Mul(summary.OverallPrice.Decimal).RoundBank(2),
)
summary.PublicConsumptionCriticalFee = decimal.NewNullDecimal(
summary.PublicConsumptionCritical.Decimal.Mul(summary.OverallPrice.Decimal).RoundBank(2),
)
summary.PublicConsumptionPeakFee = decimal.NewNullDecimal(
summary.PublicConsumptionPeak.Decimal.Mul(summary.OverallPrice.Decimal).RoundBank(2),
)
summary.PublicConsumptionFlatFee = decimal.NewNullDecimal(
summary.PublicConsumptionFlat.Decimal.Mul(summary.OverallPrice.Decimal).RoundBank(2),
)
summary.PublicConsumptionValleyFee = decimal.NewNullDecimal(
summary.PublicConsumptionValley.Decimal.Mul(summary.OverallPrice.Decimal).RoundBank(2),
)
if summary.Overall.Abs().GreaterThan(decimal.Zero) {
summary.PublicConsumptionProportion = decimal.NewNullDecimal(
summary.PublicConsumption.Decimal.Div(summary.Overall).RoundBank(15),
)
}
// 计算线损
summary.Loss = decimal.NewNullDecimal(
summary.Overall.Sub(summary.PublicConsumption.Decimal).Sub(summary.CustomerConsumption.Decimal),
)
summary.LossFee = decimal.NewNullDecimal(
summary.Loss.Decimal.Mul(summary.OverallPrice.Decimal).RoundBank(8),
)
if summary.Overall.Abs().GreaterThan(decimal.Zero) {
summary.LossProportion = decimal.NewNullDecimal(
summary.Loss.Decimal.Div(summary.Overall).RoundBank(15),
)
}
if summary.CustomerConsumption.Decimal.Abs().GreaterThan(decimal.Zero) {
summary.LossDilutedPrice = decimal.NewNullDecimal(
summary.LossFee.Decimal.Div(summary.CustomerConsumption.Decimal).RoundBank(8),
)
}
// 计算基本电费和调整电费等的摊薄
if summary.CustomerConsumption.Decimal.Abs().GreaterThan(decimal.Zero) {
summary.BasicDilutedPrice = decimal.NewNullDecimal(
summary.BasicFee.Div(summary.CustomerConsumption.Decimal).RoundBank(8),
)
summary.AdjustDilutedPrice = decimal.NewNullDecimal(
summary.AdjustFee.Div(summary.CustomerConsumption.Decimal).RoundBank(8),
)
summary.MaintenanceDilutedPrice = decimal.NewNullDecimal(
maintenanceFeeTotal.Div(summary.CustomerConsumption.Decimal).RoundBank(8),
)
summary.PublicConsumptionDilutedPrice = decimal.NewNullDecimal(
summary.PublicConsumptionFee.Decimal.Div(summary.CustomerConsumption.Decimal).RoundBank(8),
)
}
// 计算摊薄总计
summary.FinalDilutedOverall = decimal.NewNullDecimal(
summary.BasicFee.
Add(summary.AdjustFee).
Add(summary.PublicConsumptionFee.Decimal).
Add(maintenanceFeeTotal).
Add(summary.LossFee.Decimal),
)
// 计算终端用户的全部摊薄内容
for _, eu := range endUserDetails {
if eu.IsPublicMeter && eu.WillDilute {
// 计算需要摊薄的公共表计的摊薄内容
if summary.PublicConsumption.Decimal.Abs().GreaterThan(decimal.Zero) {
eu.OverallProportion = eu.Overall.Decimal.Div(summary.PublicConsumption.Decimal).RoundBank(15)
} else {
eu.OverallProportion = decimal.Zero
}
} else {
// 计算户表表计的摊薄内容
if summary.CustomerConsumption.Decimal.Abs().GreaterThan(decimal.Zero) {
eu.OverallProportion = eu.Overall.Decimal.Div(summary.CustomerConsumption.Decimal).RoundBank(15)
} else {
eu.OverallProportion = decimal.Zero
}
eu.BasicFeeDiluted = decimal.NewNullDecimal(
eu.Overall.Decimal.Mul(summary.BasicDilutedPrice.Decimal).RoundBank(2),
)
eu.AdjustFeeDiluted = decimal.NewNullDecimal(
eu.Overall.Decimal.Mul(summary.AdjustDilutedPrice.Decimal).RoundBank(2),
)
eu.LossDiluted = decimal.NewNullDecimal(
summary.Loss.Decimal.Mul(eu.OverallProportion).RoundBank(8),
)
eu.LossDiluted = decimal.NewNullDecimal(
eu.Overall.Decimal.Mul(summary.LossDilutedPrice.Decimal).RoundBank(8),
)
eu.MaintenanceFeeDiluted = decimal.NewNullDecimal(
eu.Overall.Decimal.Mul(summary.MaintenanceDilutedPrice.Decimal).RoundBank(8),
)
eu.PublicConsumptionDiluted = decimal.NewNullDecimal(
eu.Overall.Decimal.Mul(summary.PublicConsumptionDilutedPrice.Decimal).RoundBank(8),
)
eu.FinalDiluted = decimal.NewNullDecimal(
eu.BasicFeeDiluted.Decimal.
Add(eu.AdjustFeeDiluted.Decimal).
Add(eu.LossFeeDiluted.Decimal).
Add(eu.MaintenanceFeeDiluted.Decimal).
Add(eu.PublicConsumptionDiluted.Decimal).
RoundBank(2),
)
eu.FinalCharge = decimal.NewNullDecimal(
eu.OverallFee.Decimal.Add(eu.FinalDiluted.Decimal).RoundBank(2),
)
}
}
// 向数据库保存报表概况以及终端用户摊薄结果
tx := global.DBConn.NewSession()
if err = tx.Begin(); err != nil {
return
}
defer tx.Close()
_, err = tx.ID(reportId).Update(summary)
if err != nil {
tx.Rollback()
return
}
for _, eu := range endUserDetails {
_, err = tx.ID(schemas.NewPK(eu.ReportId, eu.ParkId, eu.MeterId)).Update(eu)
if err != nil {
tx.Rollback()
return
}
}
err = tx.Commit()
if err != nil {
tx.Rollback()
return
}
return
}