129 lines
2.7 KiB
Go
129 lines
2.7 KiB
Go
package listingstatus
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import (
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"strings"
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"time"
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"hfb_sys/backend/internal/model"
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"hfb_sys/backend/internal/timeutil"
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"gorm.io/gorm"
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)
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// 统计用的事件类型（与 to_status 对齐时优先用这些标准值）。
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const (
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EventPublished = "published"
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EventOffline = "offline"
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EventRented = "rented"
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EventCompleted = "completed"
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EventSealed = "sealed"
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EventAbnormal = "abnormal"
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)
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// 来源
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const (
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SourceSeller = "seller"
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SourceAdmin = "admin"
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SourceReview = "review"
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SourceOrder = "order"
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SourcePickup = "pickup"
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SourceDispute = "dispute"
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SourceSystem = "system"
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)
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// 操作者类型
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const (
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ActorUser = "user"
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ActorAdmin = "admin"
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ActorSystem = "system"
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)
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// Entry 单次状态变更事件。
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type Entry struct {
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ListingID uint64
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OwnerID uint64
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EventType string
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FromStatus string
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ToStatus string
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Source string
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ActorType string
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ActorID uint64
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Remark string
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// CreatedAt 为空时使用上海时间当前时刻。
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CreatedAt time.Time
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}
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// Append 写入一条状态事件。from==to 或 event 无法识别时跳过。
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func Append(tx *gorm.DB, entry Entry) error {
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if tx == nil {
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return nil
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}
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from := strings.TrimSpace(entry.FromStatus)
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to := strings.TrimSpace(entry.ToStatus)
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if to == "" {
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to = strings.TrimSpace(entry.EventType)
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}
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if to == "" || from == to {
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return nil
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}
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eventType := strings.TrimSpace(entry.EventType)
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if eventType == "" {
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eventType = normalizeEventType(to)
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}
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if eventType == "" {
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return nil
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}
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createdAt := entry.CreatedAt
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if createdAt.IsZero() {
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createdAt = timeutil.ShanghaiNow()
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}
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row := model.ListingStatusEvent{
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ListingID: entry.ListingID,
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OwnerID: entry.OwnerID,
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EventType: eventType,
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FromStatus: from,
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ToStatus: to,
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Source: strings.TrimSpace(entry.Source),
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ActorType: strings.TrimSpace(entry.ActorType),
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ActorID: entry.ActorID,
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Remark: strings.TrimSpace(entry.Remark),
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CreatedAt: createdAt,
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}
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return tx.Create(&row).Error
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}
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// AppendTransition 根据 listing 变更前后状态写事件。
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func AppendTransition(
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tx *gorm.DB,
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listing *model.RentalListing,
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fromStatus string,
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source string,
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actorType string,
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actorID uint64,
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remark string,
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) error {
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if listing == nil {
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return nil
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}
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return Append(tx, Entry{
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ListingID: listing.ID,
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OwnerID: listing.OwnerID,
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EventType: normalizeEventType(listing.Status),
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FromStatus: fromStatus,
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ToStatus: listing.Status,
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Source: source,
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ActorType: actorType,
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ActorID: actorID,
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Remark: remark,
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})
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}
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func normalizeEventType(status string) string {
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switch strings.TrimSpace(status) {
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case EventPublished, EventOffline, EventRented, EventCompleted, EventSealed, EventAbnormal:
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return status
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default:
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return ""
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}
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}
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