gomod引用
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279
dao/order_daily_statistics_dao.go
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279
dao/order_daily_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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"go.mongodb.org/mongo-driver/v2/mongo/options"
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)
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// OrderDailyStatisticsDAO 订单日统计DAO
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type OrderDailyStatisticsDAO struct{}
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var OrderDailyStatisticsDAOInstance = &OrderDailyStatisticsDAO{}
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// GenerateStatistics 使用Go代码生成日统计数据
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func (dao *OrderDailyStatisticsDAO) GenerateStatistics(ctx context.Context, tenantID int64, date time.Time) (*entity.OrderDailyStatistics, error) {
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// 设置时间范围
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startDate := time.Date(date.Year(), date.Month(), date.Day(), 0, 0, 0, 0, date.Location())
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endDate := startDate.Add(24 * time.Hour)
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// 查询订单数据
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filter := bson.M{
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"tenantId": tenantID,
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"createdAt": bson.M{
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"$gte": startDate,
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"$lt": endDate,
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},
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}
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var orders []*entity.OrderBase
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err := mongo.Find(ctx, filter, &orders, consts.OrderCollection)
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if err != nil {
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return nil, fmt.Errorf("查询订单数据失败: %v", err)
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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.OrderDailyStatistics{
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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("2006-01-02"),
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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(len(orders))
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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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hourlyOrders := make([]int64, 24)
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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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// 注意：OrderBase结构体没有Status字段，状态统计需要通过其他方式获取
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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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// 统计小时分布
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hour := order.CreatedAt.Hour()
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if hour >= 0 && hour < 24 {
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hourlyOrders[hour]++
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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.OrderDailyStatistics{
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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("2006-01-02"),
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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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HourlyOrders: hourlyOrders,
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PeakHour: dao.findPeakHour(hourlyOrders),
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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 *OrderDailyStatisticsDAO) 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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// findPeakHour 找出高峰时段
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func (dao *OrderDailyStatisticsDAO) findPeakHour(hourlyOrders []int64) int {
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maxHour := 0
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maxCount := int64(0)
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for hour, count := range hourlyOrders {
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if count > maxCount {
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maxCount = count
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maxHour = hour
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}
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}
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return maxHour
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}
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// Save 保存日统计数据
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func (dao *OrderDailyStatisticsDAO) Save(ctx context.Context, statistics *entity.OrderDailyStatistics) error {
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_, err := mongo.Insert(ctx, []interface{}{statistics}, consts.OrderDailyStatisticsCollection)
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return err
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}
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// Update 更新日统计数据
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func (dao *OrderDailyStatisticsDAO) Update(ctx context.Context, statistics *entity.OrderDailyStatistics) 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.OrderDailyStatisticsCollection)
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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日统计数据
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func (dao *OrderDailyStatisticsDAO) GetByTenantAndDate(ctx context.Context, tenantID int64, reportDate time.Time) (*entity.OrderDailyStatistics, error) {
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var result entity.OrderDailyStatistics
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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.OrderDailyStatisticsCollection)
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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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// GetListByTenant 获取指定租户的日统计列表
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func (dao *OrderDailyStatisticsDAO) GetListByTenant(ctx context.Context, tenantID int64, startDate, endDate time.Time, pageNum, pageSize int) ([]*entity.OrderDailyStatistics, int64, error) {
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filter := bson.M{
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"tenantId": tenantID,
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}
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// 添加日期范围过滤
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if !startDate.IsZero() || !endDate.IsZero() {
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dateFilter := bson.M{}
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if !startDate.IsZero() {
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dateFilter["$gte"] = startDate
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}
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if !endDate.IsZero() {
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dateFilter["$lte"] = endDate
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}
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filter["reportDate"] = dateFilter
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}
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// 获取总数
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totalCount, err := mongo.Count(ctx, filter, consts.OrderDailyStatisticsCollection)
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if err != nil {
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return nil, 0, err
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}
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// 分页查询
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skip := int64((pageNum - 1) * pageSize)
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var results []*entity.OrderDailyStatistics
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// 使用mongo.Find进行分页查询
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err = mongo.Find(ctx, filter, &results, consts.OrderDailyStatisticsCollection,
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options.Find().SetSkip(skip).SetLimit(int64(pageSize)).SetSort(bson.D{{Key: "reportDate", Value: -1}}))
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if err != nil {
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return nil, 0, err
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}
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return results, totalCount, nil
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}
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// DeleteByTenantAndDate 删除指定日统计数据
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func (dao *OrderDailyStatisticsDAO) DeleteByTenantAndDate(ctx context.Context, tenantID int64, reportDate time.Time) error {
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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.Delete(ctx, filter, consts.OrderDailyStatisticsCollection)
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return err
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}
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