c0267c7a33
后端： - GMVBreakdown 结构体拆分 total/cash/coupon/points 四个维度 - calcGMVByTotalAmount 返回值改为 GMVBreakdown，SELECT 增加 actual_amount/discount_amount/points_amount - StatsOverview/StatsDailyItem 新增 cash_cents/coupon_cents/points_cents 字段 - 测试数据增加优惠券场景，新增拆分断言 前端： - API 接口类型同步增加 3 个拆分字段 - 概览区新增支付构成行：现金/优惠券/积分 各带金额和占比
649 lines
20 KiB
Go
Executable File
649 lines
20 KiB
Go
Executable File
package channel
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import (
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"context"
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"errors"
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"strconv"
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"strings"
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"time"
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"bindbox-game/internal/pkg/logger"
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"bindbox-game/internal/repository/mysql"
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"bindbox-game/internal/repository/mysql/dao"
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"bindbox-game/internal/repository/mysql/model"
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"gorm.io/gen/field"
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"gorm.io/gorm"
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)
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type Service interface {
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Create(ctx context.Context, in CreateInput) (*model.Channels, error)
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Modify(ctx context.Context, id int64, in ModifyInput) error
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Delete(ctx context.Context, id int64) error
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List(ctx context.Context, in ListInput) (items []*ChannelWithStat, total int64, err error)
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GetStats(ctx context.Context, channelID int64, days int, startDate, endDate string) (*StatsOutput, error)
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GetByID(ctx context.Context, id int64) (*model.Channels, error)
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SearchUsers(ctx context.Context, in SearchUsersInput) (items []*ChannelUserItem, total int64, err error)
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BindUsers(ctx context.Context, channelID int64, userIDs []int64) (*BindUsersOutput, error)
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}
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type service struct {
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logger logger.CustomLogger
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readDB *dao.Query
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writeDB *dao.Query
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}
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func New(l logger.CustomLogger, db mysql.Repo) Service {
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return &service{logger: l, readDB: dao.Use(db.GetDbR()), writeDB: dao.Use(db.GetDbW())}
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}
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type CreateInput struct {
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Name string
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Code string
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Type string
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Remarks string
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}
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type ModifyInput struct {
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Name *string
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Type *string
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Remarks *string
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}
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type ListInput struct {
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Name string
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Page int
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PageSize int
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}
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type ChannelWithStat struct {
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*model.Channels
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UserCount int64 `json:"user_count"`
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PaidAmountCents int64 `json:"paid_amount_cents"`
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PaidAmount int64 `json:"paid_amount"`
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}
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type StatsOutput struct {
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Overview StatsOverview `json:"overview"`
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Daily []StatsDailyItem `json:"daily"`
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}
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type StatsOverview struct {
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TotalUsers int64 `json:"total_users"`
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TotalOrders int64 `json:"total_orders"`
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TotalGMV int64 `json:"total_gmv"`
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TotalPaidCents int64 `json:"total_paid_cents"`
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TotalCostCents int64 `json:"total_cost_cents"` // 总成本(分)
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TotalProfitCents int64 `json:"total_profit_cents"` // 盈亏(分) = paid - cost
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TotalCost int64 `json:"total_cost"` // 总成本(元)
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TotalProfit int64 `json:"total_profit"` // 盈亏(元)
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CashCents int64 `json:"cash_cents"` // 现金支付(分)
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CouponCents int64 `json:"coupon_cents"` // 优惠券抵扣(分)
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PointsCents int64 `json:"points_cents"` // 积分抵扣(分)
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}
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type StatsDailyItem struct {
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Date string `json:"date"`
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UserCount int64 `json:"user_count"`
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OrderCount int64 `json:"order_count"`
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GMV int64 `json:"gmv"`
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PaidCents int64 `json:"paid_cents"`
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CostCents int64 `json:"cost_cents"` // 当日成本(分)
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ProfitCents int64 `json:"profit_cents"` // 当日盈亏(分)
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CashCents int64 `json:"cash_cents"` // 当日现金(分)
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CouponCents int64 `json:"coupon_cents"` // 当日优惠券(分)
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PointsCents int64 `json:"points_cents"` // 当日积分(分)
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}
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type SearchUsersInput struct {
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Keyword string
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ChannelID int64
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Page int
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PageSize int
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}
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type ChannelUserItem struct {
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ID int64 `json:"id"`
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Nickname string `json:"nickname"`
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Mobile string `json:"mobile"`
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Avatar string `json:"avatar"`
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ChannelID int64 `json:"channel_id"`
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ChannelName string `json:"channel_name"`
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ChannelCode string `json:"channel_code"`
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}
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type BindUsersOutput struct {
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SuccessCount int `json:"success_count"`
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FailedCount int `json:"failed_count"`
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SkippedCount int `json:"skipped_count"`
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Details []BindUserDetail `json:"details"`
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}
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type BindUserDetail struct {
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UserID int64 `json:"user_id"`
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Status string `json:"status"` // success | failed | skipped
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Message string `json:"message,omitempty"`
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OldChannelID int64 `json:"old_channel_id"`
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NewChannelID int64 `json:"new_channel_id"`
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}
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var (
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ErrChannelNotFound = errors.New("channel_not_found")
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ErrBindUsersEmpty = errors.New("bind_users_empty")
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ErrBindUsersTooMany = errors.New("bind_users_too_many")
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ErrSearchKeywordEmpty = errors.New("search_keyword_empty")
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)
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type orderAmountRow struct {
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ActualAmount int64
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CreatedAt time.Time
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}
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// GMVBreakdown GMV 支付方式拆分
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type GMVBreakdown struct {
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Total int64 // total_amount 合计(分)
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Cash int64 // actual_amount 现金(分)
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Coupon int64 // discount_amount 优惠券(分)
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Points int64 // points_amount 积分(分)
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}
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// calcGMVByTotalAmount 按订单原价（total_amount）统计渠道GMV，同时拆分支付方式。
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// total_amount = actual_amount(现金) + discount_amount(优惠券) + points_amount(积分)
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// 返回：总拆分、按 dateFmt 格式分组的拆分。
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func (s *service) calcGMVByTotalAmount(ctx context.Context, channelID int64, dateFmt string, orderFilter string, startDate, endDate *time.Time) (GMVBreakdown, map[string]GMVBreakdown) {
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type row struct {
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TotalAmount int64
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ActualAmount int64
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DiscountAmount int64
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PointsAmount int64
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CreatedAt time.Time
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}
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q := s.readDB.Orders.WithContext(ctx).UnderlyingDB().Table("orders").
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Joins("JOIN users ON users.id = orders.user_id").
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Select("orders.total_amount, orders.actual_amount, orders.discount_amount, orders.points_amount, orders.created_at").
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Where(orderFilter, channelID)
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if startDate != nil && endDate != nil {
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q = q.Where("orders.created_at >= ? AND orders.created_at <= ?", *startDate, *endDate)
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}
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var rows []row
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q.Scan(&rows)
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var total GMVBreakdown
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byDate := make(map[string]GMVBreakdown)
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for _, r := range rows {
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total.Total += r.TotalAmount
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total.Cash += r.ActualAmount
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total.Coupon += r.DiscountAmount
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total.Points += r.PointsAmount
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key := r.CreatedAt.Format(dateFmt)
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d := byDate[key]
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d.Total += r.TotalAmount
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d.Cash += r.ActualAmount
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d.Coupon += r.DiscountAmount
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d.Points += r.PointsAmount
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byDate[key] = d
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}
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return total, byDate
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}
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// calcCostByInventory 计算渠道用户获得奖品的成本（含道具卡倍数）。
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// 成本 = SUM(奖品价值 × 道具卡倍数)
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// 奖品价值优先级: user_inventory.value_cents → activity_reward_settings.price_snapshot_cents → products.price
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// 道具卡倍数: system_item_cards.reward_multiplier_x1000 / 1000，无卡时 ×1.0
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func (s *service) calcCostByInventory(ctx context.Context, channelID int64, dateFmt string, startDate, endDate *time.Time) (int64, map[string]int64) {
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type costRow struct {
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UnitCost int64
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Multiplier int64
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CreatedAt time.Time
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}
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q := s.readDB.UserInventory.WithContext(ctx).UnderlyingDB().
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Table("user_inventory").
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Select(`
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COALESCE(NULLIF(user_inventory.value_cents, 0), activity_reward_settings.price_snapshot_cents, products.price, 0) AS unit_cost,
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CASE WHEN COALESCE(system_item_cards.reward_multiplier_x1000, 1000) < 1000 THEN 1000 ELSE COALESCE(system_item_cards.reward_multiplier_x1000, 1000) END AS multiplier,
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user_inventory.created_at
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`).
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Joins("JOIN users ON users.id = user_inventory.user_id").
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Joins("LEFT JOIN orders ON orders.id = user_inventory.order_id").
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Joins("LEFT JOIN activity_reward_settings ON activity_reward_settings.id = user_inventory.reward_id").
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Joins("LEFT JOIN products ON products.id = user_inventory.product_id").
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Joins("LEFT JOIN user_item_cards ON user_item_cards.id = orders.item_card_id").
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Joins("LEFT JOIN system_item_cards ON system_item_cards.id = user_item_cards.card_id").
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Where("users.channel_id = ? AND users.deleted_at IS NULL", channelID).
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Where("user_inventory.status IN ?", []int{1, 3}).
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Where("COALESCE(user_inventory.remark, '') NOT LIKE ?", "%void%").
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Where("(orders.status = 2 OR user_inventory.order_id = 0 OR user_inventory.order_id IS NULL)").
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Where("(orders.source_type IN (2,3,4) OR user_inventory.order_id = 0 OR user_inventory.order_id IS NULL)").
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Where("(orders.total_amount > 0 OR user_inventory.order_id = 0 OR user_inventory.order_id IS NULL)")
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if startDate != nil && endDate != nil {
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q = q.Where("user_inventory.created_at >= ? AND user_inventory.created_at <= ?", *startDate, *endDate)
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}
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var rows []costRow
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q.Scan(&rows)
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var total int64
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byDate := make(map[string]int64)
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for _, r := range rows {
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cost := r.UnitCost * r.Multiplier / 1000
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total += cost
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byDate[r.CreatedAt.Format(dateFmt)] += cost
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}
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return total, byDate
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}
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func (s *service) Create(ctx context.Context, in CreateInput) (*model.Channels, error) {
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m := &model.Channels{Name: in.Name, Code: in.Code, Type: in.Type, Remarks: in.Remarks}
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if err := s.writeDB.Channels.WithContext(ctx).Create(m); err != nil {
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return nil, err
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}
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return m, nil
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}
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func (s *service) Modify(ctx context.Context, id int64, in ModifyInput) error {
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updater := s.writeDB.Channels.WithContext(ctx).Where(s.writeDB.Channels.ID.Eq(id))
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set := map[string]any{}
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if in.Name != nil {
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set["name"] = *in.Name
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}
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if in.Type != nil {
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set["type"] = *in.Type
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}
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if in.Remarks != nil {
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set["remarks"] = *in.Remarks
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}
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if len(set) == 0 {
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return nil
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}
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_, err := updater.Updates(set)
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return err
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}
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func (s *service) Delete(ctx context.Context, id int64) error {
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_, err := s.writeDB.Channels.WithContext(ctx).Where(s.writeDB.Channels.ID.Eq(id)).Delete()
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return err
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}
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func (s *service) List(ctx context.Context, in ListInput) (items []*ChannelWithStat, total int64, err error) {
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if in.Page <= 0 {
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in.Page = 1
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}
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if in.PageSize <= 0 {
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in.PageSize = 20
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}
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q := s.readDB.Channels.WithContext(ctx)
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if in.Name != "" {
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like := "%" + in.Name + "%"
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q = q.Where(s.readDB.Channels.Name.Like(like)).Or(s.readDB.Channels.Code.Like(like))
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}
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total, err = q.Count()
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if err != nil {
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return
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}
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// List channels
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channels, err := q.Order(s.readDB.Channels.ID.Desc()).Limit(in.PageSize).Offset((in.Page - 1) * in.PageSize).Find()
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if err != nil {
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return
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}
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// Get user counts
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var channelIDs []int64
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for _, c := range channels {
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channelIDs = append(channelIDs, c.ID)
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}
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stats := make(map[int64]int64)
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paidStats := make(map[int64]int64)
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if len(channelIDs) > 0 {
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type Result struct {
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ChannelID int64
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Count int64
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}
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var results []Result
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// Using raw query for grouping
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err = s.readDB.Users.WithContext(ctx).UnderlyingDB().Table("users").
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Select("channel_id, count(*) as count").
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Where("channel_id IN ?", channelIDs).
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Group("channel_id").
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Scan(&results).Error
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if err == nil {
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for _, r := range results {
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stats[r.ChannelID] = r.Count
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}
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}
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type GMVResult struct {
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ChannelID int64
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TotalAmount int64
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}
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var gmvResults []GMVResult
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err = s.readDB.Orders.WithContext(ctx).UnderlyingDB().Table("orders").
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Joins("JOIN users ON users.id = orders.user_id").
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Select("users.channel_id, orders.total_amount").
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Where("users.channel_id IN ?", channelIDs).
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Where("users.deleted_at IS NULL AND orders.status = 2 AND orders.total_amount > 0 AND orders.actual_amount > 0 AND orders.source_type IN (2,3,4) AND (orders.ext_order_id = '' OR orders.ext_order_id IS NULL)").
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Scan(&gmvResults).Error
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if err == nil {
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for _, r := range gmvResults {
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paidStats[r.ChannelID] += r.TotalAmount
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}
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}
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}
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for _, c := range channels {
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paidAmountCents := paidStats[c.ID]
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items = append(items, &ChannelWithStat{
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Channels: c,
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UserCount: stats[c.ID],
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PaidAmountCents: paidAmountCents,
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PaidAmount: paidAmountCents / 100,
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})
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}
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return
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}
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func (s *service) GetStats(ctx context.Context, channelID int64, days int, startDateStr, endDateStr string) (*StatsOutput, error) {
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now := time.Now()
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_, err := s.readDB.Channels.WithContext(ctx).Where(s.readDB.Channels.ID.Eq(channelID)).First()
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if err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, ErrChannelNotFound
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}
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return nil, err
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}
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out := &StatsOutput{}
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// source_type: 2=小程序抽奖 3=对对碰 4=一番赏/次卡 5=直播间抽奖抖店(不计入)；排除商城直购(1)
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// actual_amount>0 排除次卡免费使用的订单（避免与购买次卡的订单重复计入GMV）
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orderFilter := "users.channel_id = ? AND users.deleted_at IS NULL AND orders.status = 2 AND orders.total_amount > 0 AND orders.actual_amount > 0 AND orders.source_type IN (2,3,4) AND (orders.ext_order_id = '' OR orders.ext_order_id IS NULL)"
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// ========== 1. Overview（全量，不限时间）==========
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userCount, _ := s.readDB.Users.WithContext(ctx).Where(s.readDB.Users.ChannelID.Eq(channelID)).Count()
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out.Overview.TotalUsers = userCount
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type countResult struct{ Count int64 }
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var cr countResult
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s.readDB.Orders.WithContext(ctx).UnderlyingDB().Table("orders").
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Joins("JOIN users ON users.id = orders.user_id").
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Select("count(*) as count").
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Where(orderFilter, channelID).
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Scan(&cr)
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out.Overview.TotalOrders = cr.Count
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totalGMV, _ := s.calcGMVByTotalAmount(ctx, channelID, "2006-01-02", orderFilter, nil, nil)
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out.Overview.TotalPaidCents = totalGMV.Total
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out.Overview.TotalGMV = totalGMV.Total / 100
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out.Overview.CashCents = totalGMV.Cash
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out.Overview.CouponCents = totalGMV.Coupon
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out.Overview.PointsCents = totalGMV.Points
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// 1d. 累计成本（全量，含道具卡倍数）
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totalCost, _ := s.calcCostByInventory(ctx, channelID, "2006-01-02", nil, nil)
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out.Overview.TotalCostCents = totalCost
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out.Overview.TotalCost = totalCost / 100
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out.Overview.TotalProfitCents = totalGMV.Total - totalCost
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out.Overview.TotalProfit = out.Overview.TotalProfitCents / 100
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// ========== 2. 趋势图（按天分组，受 days 限制）==========
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var startDate, endDate time.Time
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if startDateStr != "" && endDateStr != "" {
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startDate, _ = time.Parse("2006-01-02", startDateStr)
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endDate, _ = time.Parse("2006-01-02", endDateStr)
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endDate = endDate.Add(24*time.Hour - time.Second)
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} else {
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if days <= 0 {
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days = 12
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}
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startDate = time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, now.Location()).AddDate(0, 0, -days+1)
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endDate = now
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}
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dateMap := make(map[string]*StatsDailyItem)
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var dateList []string
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for d := startDate; !d.After(endDate); d = d.AddDate(0, 0, 1) {
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key := d.Format("2006-01-02")
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dateList = append(dateList, key)
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dateMap[key] = &StatsDailyItem{Date: key}
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}
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type dailyCount struct {
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Date string
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Count int64
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}
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var dailyUsers []dailyCount
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s.readDB.Users.WithContext(ctx).UnderlyingDB().Table("users").
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Select("DATE_FORMAT(created_at, '%Y-%m-%d') as date, count(*) as count").
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Where("channel_id = ? AND deleted_at IS NULL AND created_at >= ? AND created_at <= ?", channelID, startDate, endDate).
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Group("date").Scan(&dailyUsers)
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for _, u := range dailyUsers {
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if item, ok := dateMap[u.Date]; ok {
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item.UserCount = u.Count
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}
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}
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var dailyOrders []dailyCount
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s.readDB.Orders.WithContext(ctx).UnderlyingDB().Table("orders").
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Joins("JOIN users ON users.id = orders.user_id").
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Select("DATE_FORMAT(orders.created_at, '%Y-%m-%d') as date, count(*) as count").
|
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Where(orderFilter+" AND orders.created_at >= ? AND orders.created_at <= ?", channelID, startDate, endDate).
|
||
Group("date").Scan(&dailyOrders)
|
||
for _, o := range dailyOrders {
|
||
if item, ok := dateMap[o.Date]; ok {
|
||
item.OrderCount = o.Count
|
||
}
|
||
}
|
||
|
||
_, dailyPaid := s.calcGMVByTotalAmount(ctx, channelID, "2006-01-02", orderFilter, &startDate, &endDate)
|
||
for dateKey, paid := range dailyPaid {
|
||
if item, ok := dateMap[dateKey]; ok {
|
||
item.PaidCents = paid.Total
|
||
item.GMV = paid.Total / 100
|
||
item.CashCents = paid.Cash
|
||
item.CouponCents = paid.Coupon
|
||
item.PointsCents = paid.Points
|
||
}
|
||
}
|
||
|
||
// 2f. 每日成本（含道具卡倍数）
|
||
_, dailyCost := s.calcCostByInventory(ctx, channelID, "2006-01-02", &startDate, &endDate)
|
||
for dateKey, cost := range dailyCost {
|
||
if item, ok := dateMap[dateKey]; ok {
|
||
item.CostCents = cost
|
||
item.ProfitCents = item.PaidCents - cost
|
||
}
|
||
}
|
||
|
||
for _, d := range dateList {
|
||
out.Daily = append(out.Daily, *dateMap[d])
|
||
}
|
||
|
||
return out, nil
|
||
}
|
||
|
||
func (s *service) GetByID(ctx context.Context, id int64) (*model.Channels, error) {
|
||
if id <= 0 {
|
||
return nil, ErrChannelNotFound
|
||
}
|
||
ch, err := s.readDB.Channels.WithContext(ctx).Where(s.readDB.Channels.ID.Eq(id)).First()
|
||
if err != nil {
|
||
if errors.Is(err, gorm.ErrRecordNotFound) {
|
||
return nil, ErrChannelNotFound
|
||
}
|
||
return nil, err
|
||
}
|
||
return ch, nil
|
||
}
|
||
|
||
func (s *service) SearchUsers(ctx context.Context, in SearchUsersInput) (items []*ChannelUserItem, total int64, err error) {
|
||
keyword := strings.TrimSpace(in.Keyword)
|
||
if keyword == "" && in.ChannelID <= 0 {
|
||
return nil, 0, ErrSearchKeywordEmpty
|
||
}
|
||
if in.Page <= 0 {
|
||
in.Page = 1
|
||
}
|
||
if in.PageSize <= 0 {
|
||
in.PageSize = 20
|
||
}
|
||
if in.PageSize > 50 {
|
||
in.PageSize = 50
|
||
}
|
||
|
||
u := s.readDB.Users
|
||
c := s.readDB.Channels
|
||
q := s.readDB.Users.WithContext(ctx).ReadDB().
|
||
LeftJoin(c, c.ID.EqCol(u.ChannelID)).
|
||
Select(
|
||
u.ID,
|
||
u.Nickname,
|
||
u.Mobile,
|
||
u.Avatar,
|
||
u.ChannelID,
|
||
c.Name.As("channel_name"),
|
||
c.Code.As("channel_code"),
|
||
)
|
||
|
||
if in.ChannelID > 0 {
|
||
q = q.Where(u.ChannelID.Eq(in.ChannelID))
|
||
}
|
||
|
||
if keyword != "" {
|
||
like := "%" + keyword + "%"
|
||
if id, parseErr := strconv.ParseInt(keyword, 10, 64); parseErr == nil {
|
||
q = q.Where(field.Or(u.ID.Eq(id), u.Mobile.Like(like), u.Nickname.Like(like)))
|
||
} else {
|
||
q = q.Where(field.Or(u.Mobile.Like(like), u.Nickname.Like(like)))
|
||
}
|
||
}
|
||
|
||
total, err = q.Count()
|
||
if err != nil {
|
||
return nil, 0, err
|
||
}
|
||
|
||
type row struct {
|
||
ID int64
|
||
Nickname string
|
||
Mobile string
|
||
Avatar string
|
||
ChannelID int64
|
||
ChannelName string
|
||
ChannelCode string
|
||
}
|
||
var rows []row
|
||
if err = q.Order(u.ID.Desc()).Offset((in.Page - 1) * in.PageSize).Limit(in.PageSize).Scan(&rows); err != nil {
|
||
return nil, 0, err
|
||
}
|
||
|
||
items = make([]*ChannelUserItem, 0, len(rows))
|
||
for _, r := range rows {
|
||
items = append(items, &ChannelUserItem{
|
||
ID: r.ID,
|
||
Nickname: r.Nickname,
|
||
Mobile: r.Mobile,
|
||
Avatar: r.Avatar,
|
||
ChannelID: r.ChannelID,
|
||
ChannelName: r.ChannelName,
|
||
ChannelCode: r.ChannelCode,
|
||
})
|
||
}
|
||
return items, total, nil
|
||
}
|
||
|
||
func (s *service) BindUsers(ctx context.Context, channelID int64, userIDs []int64) (*BindUsersOutput, error) {
|
||
if len(userIDs) == 0 {
|
||
return nil, ErrBindUsersEmpty
|
||
}
|
||
|
||
seen := make(map[int64]struct{}, len(userIDs))
|
||
deduped := make([]int64, 0, len(userIDs))
|
||
for _, uid := range userIDs {
|
||
if uid <= 0 {
|
||
continue
|
||
}
|
||
if _, ok := seen[uid]; ok {
|
||
continue
|
||
}
|
||
seen[uid] = struct{}{}
|
||
deduped = append(deduped, uid)
|
||
}
|
||
if len(deduped) == 0 {
|
||
return nil, ErrBindUsersEmpty
|
||
}
|
||
if len(deduped) > 200 {
|
||
return nil, ErrBindUsersTooMany
|
||
}
|
||
|
||
result := &BindUsersOutput{
|
||
Details: make([]BindUserDetail, 0, len(deduped)),
|
||
}
|
||
|
||
err := s.writeDB.Transaction(func(tx *dao.Query) error {
|
||
_, chErr := tx.Channels.WithContext(ctx).Where(tx.Channels.ID.Eq(channelID)).First()
|
||
if chErr != nil {
|
||
if errors.Is(chErr, gorm.ErrRecordNotFound) {
|
||
return ErrChannelNotFound
|
||
}
|
||
return chErr
|
||
}
|
||
|
||
users, findErr := tx.Users.WithContext(ctx).Where(tx.Users.ID.In(deduped...)).Find()
|
||
if findErr != nil {
|
||
return findErr
|
||
}
|
||
userMap := make(map[int64]*model.Users, len(users))
|
||
for _, u := range users {
|
||
userMap[u.ID] = u
|
||
}
|
||
|
||
for _, uid := range deduped {
|
||
detail := BindUserDetail{
|
||
UserID: uid,
|
||
NewChannelID: channelID,
|
||
}
|
||
|
||
userRow, ok := userMap[uid]
|
||
if !ok {
|
||
detail.Status = "failed"
|
||
detail.Message = "user_not_found"
|
||
result.FailedCount++
|
||
result.Details = append(result.Details, detail)
|
||
continue
|
||
}
|
||
|
||
detail.OldChannelID = userRow.ChannelID
|
||
if userRow.ChannelID == channelID {
|
||
detail.Status = "skipped"
|
||
detail.Message = "already_in_channel"
|
||
result.SkippedCount++
|
||
result.Details = append(result.Details, detail)
|
||
continue
|
||
}
|
||
|
||
if _, updateErr := tx.Users.WithContext(ctx).
|
||
Where(tx.Users.ID.Eq(uid)).
|
||
Update(tx.Users.ChannelID, channelID); updateErr != nil {
|
||
return updateErr
|
||
}
|
||
|
||
detail.Status = "success"
|
||
result.SuccessCount++
|
||
result.Details = append(result.Details, detail)
|
||
}
|
||
|
||
return nil
|
||
})
|
||
if err != nil {
|
||
return nil, err
|
||
}
|
||
return result, nil
|
||
}
|