da36506b89
P0 fixes: - ModelError.Is(): use exact matching instead of substring contains() - shouldClearStickySession: add context param for cancellation/tracing P1 fixes: - TODO stubs: return 501 Not Implemented errors - validateInstanceSignature: deduplicate to shared validateCodeSignature() - Error messages: standardize to English only - http.go: remove pseudo if-else with duplicate branches
74 lines
1.4 KiB
Go
74 lines
1.4 KiB
Go
package service
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import (
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"time"
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)
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// PromoCode 注册优惠码
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type PromoCode struct {
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ID int64
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Code string
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BonusAmount float64
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MaxUses int
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UsedCount int
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Status string
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ExpiresAt *time.Time
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Notes string
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CreatedAt time.Time
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UpdatedAt time.Time
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// 关联
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UsageRecords []PromoCodeUsage
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}
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// PromoCodeUsage 优惠码使用记录
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type PromoCodeUsage struct {
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ID int64
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PromoCodeID int64
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UserID int64
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BonusAmount float64
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UsedAt time.Time
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// 关联
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PromoCode *PromoCode
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User *User
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}
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// CanUse 检查优惠码是否可用
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func (p *PromoCode) CanUse() bool {
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if p.Status != PromoCodeStatusActive {
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return false
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}
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if p.ExpiresAt != nil && time.Now().After(*p.ExpiresAt) {
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return false
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}
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if p.MaxUses > 0 && p.UsedCount >= p.MaxUses {
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return false
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}
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return true
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}
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// IsExpired 检查是否已过期
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func (p *PromoCode) IsExpired() bool {
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return p.ExpiresAt != nil && time.Now().After(*p.ExpiresAt)
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}
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// CreatePromoCodeInput 创建优惠码输入
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type CreatePromoCodeInput struct {
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Code string
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BonusAmount float64
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MaxUses int
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ExpiresAt *time.Time
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Notes string
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}
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// UpdatePromoCodeInput 更新优惠码输入
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type UpdatePromoCodeInput struct {
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Code *string
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BonusAmount *float64
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MaxUses *int
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Status *string
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ExpiresAt *time.Time
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Notes *string
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}
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