69 lines
1.9 KiB
Go
69 lines
1.9 KiB
Go
package repository
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import (
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"time"
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"infinite-canvas/backend/internal/model"
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)
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// BillingReviewStats 记录需要人工关注的长期未闭合订单数量。
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// 巡检只读数据库，不改变订单状态或积分余额。
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type BillingReviewStats struct {
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Reserved int64 `json:"reserved"`
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Running int64 `json:"running"`
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Uncertain int64 `json:"uncertain"`
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Oldest *time.Time `json:"oldest,omitempty"`
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}
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func (s BillingReviewStats) Total() int64 {
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return s.Reserved + s.Running + s.Uncertain
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}
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// StaleBillingReviewStats 查询超过 age 未更新、仍处于未闭合状态的订单。
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func (r *Repository) StaleBillingReviewStats(now time.Time, age time.Duration) (BillingReviewStats, error) {
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cutoff := now.Add(-age)
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stats := BillingReviewStats{}
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var rows []struct {
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Status model.BillingStatus
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Count int64
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}
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if err := r.db.Model(&model.BillingOrder{}).
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Select("status, count(*) AS count").
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Where("status IN ? AND updated_at < ?", []model.BillingStatus{
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model.BillingStatusReserved,
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model.BillingStatusRunning,
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model.BillingStatusUncertain,
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}, cutoff).
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Group("status").Scan(&rows).Error; err != nil {
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return stats, err
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}
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for _, row := range rows {
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switch row.Status {
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case model.BillingStatusReserved:
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stats.Reserved = row.Count
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case model.BillingStatusRunning:
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stats.Running = row.Count
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case model.BillingStatusUncertain:
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stats.Uncertain = row.Count
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}
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}
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if stats.Total() == 0 {
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return stats, nil
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}
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var oldest struct {
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CreatedAt time.Time
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}
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if err := r.db.Model(&model.BillingOrder{}).
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Select("created_at").
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Where("status IN ? AND updated_at < ?", []model.BillingStatus{
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model.BillingStatusReserved,
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model.BillingStatusRunning,
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model.BillingStatusUncertain,
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}, cutoff).
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Order("created_at asc").Limit(1).Scan(&oldest).Error; err != nil {
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return stats, err
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}
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stats.Oldest = &oldest.CreatedAt
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return stats, nil
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}
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