merge upstream main
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226
backend/internal/domain/announcement.go
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226
backend/internal/domain/announcement.go
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@@ -0,0 +1,226 @@
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package domain
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import (
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"strings"
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"time"
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infraerrors "github.com/Wei-Shaw/sub2api/internal/pkg/errors"
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)
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const (
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AnnouncementStatusDraft = "draft"
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AnnouncementStatusActive = "active"
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AnnouncementStatusArchived = "archived"
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)
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const (
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AnnouncementConditionTypeSubscription = "subscription"
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AnnouncementConditionTypeBalance = "balance"
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)
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const (
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AnnouncementOperatorIn = "in"
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AnnouncementOperatorGT = "gt"
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AnnouncementOperatorGTE = "gte"
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AnnouncementOperatorLT = "lt"
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AnnouncementOperatorLTE = "lte"
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AnnouncementOperatorEQ = "eq"
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)
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var (
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ErrAnnouncementNotFound = infraerrors.NotFound("ANNOUNCEMENT_NOT_FOUND", "announcement not found")
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ErrAnnouncementInvalidTarget = infraerrors.BadRequest("ANNOUNCEMENT_INVALID_TARGET", "invalid announcement targeting rules")
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)
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type AnnouncementTargeting struct {
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// AnyOf 表示 OR：任意一个条件组满足即可展示。
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AnyOf []AnnouncementConditionGroup `json:"any_of,omitempty"`
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}
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type AnnouncementConditionGroup struct {
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// AllOf 表示 AND：组内所有条件都满足才算命中该组。
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AllOf []AnnouncementCondition `json:"all_of,omitempty"`
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}
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type AnnouncementCondition struct {
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// Type: subscription | balance
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Type string `json:"type"`
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// Operator:
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// - subscription: in
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// - balance: gt/gte/lt/lte/eq
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Operator string `json:"operator"`
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// subscription 条件：匹配的订阅套餐（group_id）
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GroupIDs []int64 `json:"group_ids,omitempty"`
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// balance 条件：比较阈值
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Value float64 `json:"value,omitempty"`
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}
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func (t AnnouncementTargeting) Matches(balance float64, activeSubscriptionGroupIDs map[int64]struct{}) bool {
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// 空规则：展示给所有用户
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if len(t.AnyOf) == 0 {
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return true
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}
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for _, group := range t.AnyOf {
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if len(group.AllOf) == 0 {
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// 空条件组不命中（避免 OR 中出现无条件 “全命中”）
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continue
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}
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allMatched := true
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for _, cond := range group.AllOf {
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if !cond.Matches(balance, activeSubscriptionGroupIDs) {
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allMatched = false
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break
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}
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}
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if allMatched {
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return true
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}
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}
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return false
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}
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func (c AnnouncementCondition) Matches(balance float64, activeSubscriptionGroupIDs map[int64]struct{}) bool {
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switch c.Type {
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case AnnouncementConditionTypeSubscription:
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if c.Operator != AnnouncementOperatorIn {
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return false
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}
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if len(c.GroupIDs) == 0 {
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return false
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}
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if len(activeSubscriptionGroupIDs) == 0 {
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return false
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}
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for _, gid := range c.GroupIDs {
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if _, ok := activeSubscriptionGroupIDs[gid]; ok {
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return true
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}
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}
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return false
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case AnnouncementConditionTypeBalance:
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switch c.Operator {
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case AnnouncementOperatorGT:
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return balance > c.Value
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case AnnouncementOperatorGTE:
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return balance >= c.Value
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case AnnouncementOperatorLT:
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return balance < c.Value
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case AnnouncementOperatorLTE:
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return balance <= c.Value
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case AnnouncementOperatorEQ:
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return balance == c.Value
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default:
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return false
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}
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default:
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return false
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}
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}
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func (t AnnouncementTargeting) NormalizeAndValidate() (AnnouncementTargeting, error) {
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normalized := AnnouncementTargeting{AnyOf: make([]AnnouncementConditionGroup, 0, len(t.AnyOf))}
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// 允许空 targeting（展示给所有用户）
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if len(t.AnyOf) == 0 {
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return normalized, nil
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}
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if len(t.AnyOf) > 50 {
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return AnnouncementTargeting{}, ErrAnnouncementInvalidTarget
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}
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for _, g := range t.AnyOf {
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if len(g.AllOf) == 0 {
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return AnnouncementTargeting{}, ErrAnnouncementInvalidTarget
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}
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if len(g.AllOf) > 50 {
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return AnnouncementTargeting{}, ErrAnnouncementInvalidTarget
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}
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group := AnnouncementConditionGroup{AllOf: make([]AnnouncementCondition, 0, len(g.AllOf))}
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for _, c := range g.AllOf {
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cond := AnnouncementCondition{
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Type: strings.TrimSpace(c.Type),
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Operator: strings.TrimSpace(c.Operator),
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Value: c.Value,
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}
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for _, gid := range c.GroupIDs {
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if gid <= 0 {
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return AnnouncementTargeting{}, ErrAnnouncementInvalidTarget
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}
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cond.GroupIDs = append(cond.GroupIDs, gid)
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}
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if err := cond.validate(); err != nil {
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return AnnouncementTargeting{}, err
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}
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group.AllOf = append(group.AllOf, cond)
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}
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normalized.AnyOf = append(normalized.AnyOf, group)
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}
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return normalized, nil
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}
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func (c AnnouncementCondition) validate() error {
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switch c.Type {
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case AnnouncementConditionTypeSubscription:
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if c.Operator != AnnouncementOperatorIn {
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return ErrAnnouncementInvalidTarget
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}
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if len(c.GroupIDs) == 0 {
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return ErrAnnouncementInvalidTarget
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}
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return nil
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case AnnouncementConditionTypeBalance:
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switch c.Operator {
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case AnnouncementOperatorGT, AnnouncementOperatorGTE, AnnouncementOperatorLT, AnnouncementOperatorLTE, AnnouncementOperatorEQ:
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return nil
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default:
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return ErrAnnouncementInvalidTarget
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}
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default:
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return ErrAnnouncementInvalidTarget
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}
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}
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type Announcement struct {
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ID int64
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Title string
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Content string
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Status string
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Targeting AnnouncementTargeting
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StartsAt *time.Time
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EndsAt *time.Time
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CreatedBy *int64
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UpdatedBy *int64
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CreatedAt time.Time
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UpdatedAt time.Time
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}
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func (a *Announcement) IsActiveAt(now time.Time) bool {
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if a == nil {
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return false
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}
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if a.Status != AnnouncementStatusActive {
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return false
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}
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if a.StartsAt != nil && now.Before(*a.StartsAt) {
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return false
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}
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if a.EndsAt != nil && !now.Before(*a.EndsAt) {
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// ends_at 语义：到点即下线
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return false
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}
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return true
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}
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64
backend/internal/domain/constants.go
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64
backend/internal/domain/constants.go
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@@ -0,0 +1,64 @@
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package domain
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// Status constants
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const (
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StatusActive = "active"
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StatusDisabled = "disabled"
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StatusError = "error"
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StatusUnused = "unused"
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StatusUsed = "used"
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StatusExpired = "expired"
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)
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// Role constants
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const (
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RoleAdmin = "admin"
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RoleUser = "user"
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)
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// Platform constants
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const (
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PlatformAnthropic = "anthropic"
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PlatformOpenAI = "openai"
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PlatformGemini = "gemini"
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PlatformAntigravity = "antigravity"
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)
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// Account type constants
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const (
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AccountTypeOAuth = "oauth" // OAuth类型账号（full scope: profile + inference）
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AccountTypeSetupToken = "setup-token" // Setup Token类型账号（inference only scope）
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AccountTypeAPIKey = "apikey" // API Key类型账号
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)
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// Redeem type constants
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const (
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RedeemTypeBalance = "balance"
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RedeemTypeConcurrency = "concurrency"
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RedeemTypeSubscription = "subscription"
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)
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// PromoCode status constants
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const (
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PromoCodeStatusActive = "active"
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PromoCodeStatusDisabled = "disabled"
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)
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// Admin adjustment type constants
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const (
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AdjustmentTypeAdminBalance = "admin_balance" // 管理员调整余额
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AdjustmentTypeAdminConcurrency = "admin_concurrency" // 管理员调整并发数
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)
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// Group subscription type constants
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const (
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SubscriptionTypeStandard = "standard" // 标准计费模式（按余额扣费）
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SubscriptionTypeSubscription = "subscription" // 订阅模式（按限额控制）
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)
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// Subscription status constants
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const (
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SubscriptionStatusActive = "active"
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SubscriptionStatusExpired = "expired"
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SubscriptionStatusSuspended = "suspended"
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)
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