gomod引用
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348
dao/order_monthly_statistics_dao.go
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348
dao/order_monthly_statistics_dao.go
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package dao
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import (
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"context"
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"fmt"
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"time"
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"gitee.com/red-future---jilin-g/common/do"
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"gitee.com/red-future---jilin-g/common/mongo"
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"order/consts"
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"order/model/entity"
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"go.mongodb.org/mongo-driver/v2/bson"
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)
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// OrderMonthlyStatisticsDAO 订单月统计DAO
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type OrderMonthlyStatisticsDAO struct{}
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var OrderMonthlyStatisticsDAOInstance = &OrderMonthlyStatisticsDAO{}
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// GenerateStatistics 使用Go代码生成月统计数据
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func (dao *OrderMonthlyStatisticsDAO) GenerateStatistics(ctx context.Context, tenantID int64, year int, month int) (*entity.OrderMonthlyStatistics, error) {
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// 设置时间范围
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startDate := time.Date(year, time.Month(month), 1, 0, 0, 0, 0, time.Local)
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endDate := startDate.AddDate(0, 1, 0)
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// 查询所有状态的订单数据
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var orders []*entity.OrderBase
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// 查询待支付订单
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var pendingOrders []*entity.OrderPending
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filter := bson.M{
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"tenantId": tenantID,
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"createdAt": bson.M{
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"$gte": startDate,
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"$lt": endDate,
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},
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}
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err := mongo.Find(ctx, filter, &pendingOrders, consts.OrderPendingCollection)
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if err != nil {
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return nil, fmt.Errorf("查询待支付订单数据失败: %v", err)
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}
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// 查询已支付订单
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var paidOrderEntities []*entity.OrderPaid
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err = mongo.Find(ctx, filter, &paidOrderEntities, consts.OrderPaidCollection)
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if err != nil {
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return nil, fmt.Errorf("查询已支付订单数据失败: %v", err)
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}
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// 查询已发货订单
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var shippedOrders []*entity.OrderShipped
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err = mongo.Find(ctx, filter, &shippedOrders, consts.OrderShippedCollection)
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if err != nil {
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return nil, fmt.Errorf("查询已发货订单数据失败: %v", err)
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}
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// 查询已完成订单
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var completedOrderEntities []*entity.OrderCompleted
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err = mongo.Find(ctx, filter, &completedOrderEntities, consts.OrderCompletedCollection)
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if err != nil {
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return nil, fmt.Errorf("查询已完成订单数据失败: %v", err)
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}
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// 合并所有订单到基础订单结构
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for _, order := range pendingOrders {
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orders = append(orders, &entity.OrderBase{
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MongoBaseDO: order.MongoBaseDO,
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OrderNo: order.OrderNo,
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UserID: order.UserID,
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TotalAmount: order.TotalAmount,
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PayAmount: order.PayAmount,
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OrderType: order.OrderType,
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Subject: order.Subject,
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Description: order.Description,
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OrderItems: order.OrderItems,
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ExpiredAt: order.ExpiredAt,
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})
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}
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for _, order := range paidOrderEntities {
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orders = append(orders, &entity.OrderBase{
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MongoBaseDO: order.MongoBaseDO,
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OrderNo: order.OrderNo,
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UserID: order.UserID,
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TotalAmount: order.TotalAmount,
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PayAmount: order.PayAmount,
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OrderType: order.OrderType,
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Subject: order.Subject,
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Description: order.Description,
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OrderItems: order.OrderItems,
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ExpiredAt: order.ExpiredAt,
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})
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}
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for _, order := range shippedOrders {
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orders = append(orders, &entity.OrderBase{
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MongoBaseDO: order.MongoBaseDO,
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OrderNo: order.OrderNo,
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UserID: order.UserID,
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TotalAmount: order.TotalAmount,
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PayAmount: order.PayAmount,
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OrderType: order.OrderType,
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Subject: order.Subject,
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Description: order.Description,
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OrderItems: order.OrderItems,
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ExpiredAt: order.ExpiredAt,
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})
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}
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for _, order := range completedOrderEntities {
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orders = append(orders, &entity.OrderBase{
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MongoBaseDO: order.MongoBaseDO,
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OrderNo: order.OrderNo,
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UserID: order.UserID,
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TotalAmount: order.TotalAmount,
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PayAmount: order.PayAmount,
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OrderType: order.OrderType,
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Subject: order.Subject,
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Description: order.Description,
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OrderItems: order.OrderItems,
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ExpiredAt: order.ExpiredAt,
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})
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}
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// 如果没有数据，创建空统计
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if len(orders) == 0 {
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statistics := &entity.OrderMonthlyStatistics{
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MongoBaseDO: do.MongoBaseDO{
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TenantId: tenantID,
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CreatedAt: time.Now(),
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UpdatedAt: time.Now(),
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},
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ReportDate: startDate,
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Period: startDate.Format("2006-01"),
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}
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return statistics, nil
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}
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// 使用Go代码计算统计指标
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totalOrders := int64(0)
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totalAmount := int64(0)
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completedOrders := int64(0)
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cancelledOrders := int64(0)
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paidOrders := int64(0)
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totalItems := int64(0)
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uniqueUsers := make(map[int64]bool)
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uniqueAssets := make(map[string]bool)
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assetCounts := make(map[string]int64)
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dailyOrders := make([]int64, 31)
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dailyAmounts := make([]int64, 31)
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for _, order := range orders {
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// 计算总金额
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totalAmount += order.TotalAmount
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// 统计订单状态（基于订单来源集合推断）
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// 由于订单已按状态拆分，这里可以统计总订单数
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totalOrders++
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// 统计唯一用户
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uniqueUsers[order.UserID] = true
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// 统计商品信息
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if order.OrderItems != nil {
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totalItems += int64(len(order.OrderItems))
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for _, item := range order.OrderItems {
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uniqueAssets[item.AssetID] = true
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assetCounts[item.AssetID]++
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}
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}
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// 统计每日分布
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day := order.CreatedAt.Day()
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if day >= 1 && day <= 31 {
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dailyOrders[day-1]++
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dailyAmounts[day-1] += order.TotalAmount
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}
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}
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// 计算业务指标
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var averageOrderValue int64
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if totalOrders > 0 {
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averageOrderValue = totalAmount / totalOrders
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}
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var paymentRate, completionRate float64
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if totalOrders > 0 {
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paymentRate = float64(paidOrders) / float64(totalOrders) * 100
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completionRate = float64(completedOrders) / float64(totalOrders) * 100
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}
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// 获取热门资产
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topAssetID, topAssetName, topAssetCount := dao.findTopAsset(assetCounts, orders)
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statistics := &entity.OrderMonthlyStatistics{
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MongoBaseDO: do.MongoBaseDO{
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TenantId: tenantID,
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CreatedAt: time.Now(),
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UpdatedAt: time.Now(),
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},
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ReportDate: startDate,
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Period: startDate.Format("2006-01"),
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TotalOrders: totalOrders,
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CompletedOrders: completedOrders,
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CancelledOrders: cancelledOrders,
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PaidOrders: paidOrders,
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TotalAmount: totalAmount,
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PaidAmount: totalAmount,
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NetAmount: totalAmount,
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AverageOrderValue: averageOrderValue,
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PaymentRate: paymentRate,
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CompletionRate: completionRate,
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UniqueUsers: int64(len(uniqueUsers)),
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NewUsers: 0,
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ReturningUsers: 0,
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TotalItems: totalItems,
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UniqueAssets: int64(len(uniqueAssets)),
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TopAssetID: topAssetID,
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TopAssetName: topAssetName,
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TopAssetCount: topAssetCount,
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DailyOrders: dailyOrders,
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DailyAmounts: dailyAmounts,
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PeakDay: dao.findPeakDay(dailyOrders),
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MonthOverMonthGrowth: dao.calculateMonthOverMonthGrowth(ctx, tenantID, startDate, totalOrders),
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}
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return statistics, nil
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}
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// findTopAsset 找出热门资产
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func (dao *OrderMonthlyStatisticsDAO) findTopAsset(assetCounts map[string]int64, orders []*entity.OrderBase) (string, string, int64) {
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if len(assetCounts) == 0 {
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return "", "", 0
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}
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var topAssetID string
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var maxCount int64
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for assetID, count := range assetCounts {
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if count > maxCount {
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maxCount = count
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topAssetID = assetID
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}
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}
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// 查找资产名称
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var topAssetName string
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for _, order := range orders {
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if order.OrderItems != nil {
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for _, item := range order.OrderItems {
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if item.AssetID == topAssetID {
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topAssetName = item.AssetName
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break
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}
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}
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}
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if topAssetName != "" {
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break
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}
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}
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return topAssetID, topAssetName, maxCount
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}
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// findPeakDay 找出高峰日
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func (dao *OrderMonthlyStatisticsDAO) findPeakDay(dailyOrders []int64) int {
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maxDay := 1
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maxCount := int64(0)
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for day, count := range dailyOrders {
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if count > maxCount {
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maxCount = count
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maxDay = day + 1
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}
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}
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return maxDay
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}
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// calculateMonthOverMonthGrowth 计算环比增长率
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func (dao *OrderMonthlyStatisticsDAO) calculateMonthOverMonthGrowth(ctx context.Context, tenantID int64, currentMonth time.Time, currentOrders int64) float64 {
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lastMonth := currentMonth.AddDate(0, -1, 0)
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lastMonthEnd := lastMonth.AddDate(0, 1, -1)
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// 查询上个月的订单数据
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filter := bson.M{
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"tenantId": tenantID,
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"createdAt": bson.M{
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"$gte": lastMonth,
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"$lt": lastMonthEnd,
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},
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}
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var lastMonthOrders []*entity.OrderBase
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err := mongo.Find(ctx, filter, &lastMonthOrders, consts.OrderCollection)
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if err != nil || len(lastMonthOrders) == 0 {
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return 0.0
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}
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lastMonthOrderCount := int64(len(lastMonthOrders))
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if lastMonthOrderCount == 0 {
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return 0.0
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}
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// 计算环比增长率
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growth := (float64(currentOrders) - float64(lastMonthOrderCount)) / float64(lastMonthOrderCount) * 100
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return growth
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}
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// Save 保存月统计数据
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func (dao *OrderMonthlyStatisticsDAO) Save(ctx context.Context, statistics *entity.OrderMonthlyStatistics) error {
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_, err := mongo.Insert(ctx, []interface{}{statistics}, consts.OrderMonthlyStatisticsCollection)
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return err
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}
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// Update 更新月统计数据
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func (dao *OrderMonthlyStatisticsDAO) Update(ctx context.Context, statistics *entity.OrderMonthlyStatistics) error {
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filter := bson.M{
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"tenantId": statistics.TenantId,
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"reportDate": statistics.ReportDate,
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}
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update := bson.M{
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"$set": statistics,
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}
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_, err := mongo.Update(ctx, filter, update, consts.OrderMonthlyStatisticsCollection)
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return err
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}
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// GetByTenantAndDate 获取指定租户和日期的月统计数据
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func (dao *OrderMonthlyStatisticsDAO) GetByTenantAndDate(ctx context.Context, tenantID int64, reportDate time.Time) (*entity.OrderMonthlyStatistics, error) {
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var result entity.OrderMonthlyStatistics
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filter := bson.M{
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"tenantId": tenantID,
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"reportDate": reportDate,
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}
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err := mongo.FindOne(ctx, filter, &result, consts.OrderMonthlyStatisticsCollection)
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if err != nil {
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return nil, err
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}
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return &result, nil
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}
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