first commit
This commit is contained in:
669
backend/internal/service/subscription_service.go
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669
backend/internal/service/subscription_service.go
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@@ -0,0 +1,669 @@
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package service
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import (
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"context"
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"fmt"
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"log"
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"time"
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infraerrors "github.com/Wei-Shaw/sub2api/internal/pkg/errors"
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"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
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)
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// MaxExpiresAt is the maximum allowed expiration date (year 2099)
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// This prevents time.Time JSON serialization errors (RFC 3339 requires year <= 9999)
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var MaxExpiresAt = time.Date(2099, 12, 31, 23, 59, 59, 0, time.UTC)
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// MaxValidityDays is the maximum allowed validity days for subscriptions (100 years)
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const MaxValidityDays = 36500
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var (
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ErrSubscriptionNotFound = infraerrors.NotFound("SUBSCRIPTION_NOT_FOUND", "subscription not found")
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ErrSubscriptionExpired = infraerrors.Forbidden("SUBSCRIPTION_EXPIRED", "subscription has expired")
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ErrSubscriptionSuspended = infraerrors.Forbidden("SUBSCRIPTION_SUSPENDED", "subscription is suspended")
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ErrSubscriptionAlreadyExists = infraerrors.Conflict("SUBSCRIPTION_ALREADY_EXISTS", "subscription already exists for this user and group")
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ErrGroupNotSubscriptionType = infraerrors.BadRequest("GROUP_NOT_SUBSCRIPTION_TYPE", "group is not a subscription type")
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ErrDailyLimitExceeded = infraerrors.TooManyRequests("DAILY_LIMIT_EXCEEDED", "daily usage limit exceeded")
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ErrWeeklyLimitExceeded = infraerrors.TooManyRequests("WEEKLY_LIMIT_EXCEEDED", "weekly usage limit exceeded")
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ErrMonthlyLimitExceeded = infraerrors.TooManyRequests("MONTHLY_LIMIT_EXCEEDED", "monthly usage limit exceeded")
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ErrSubscriptionNilInput = infraerrors.BadRequest("SUBSCRIPTION_NIL_INPUT", "subscription input cannot be nil")
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)
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// SubscriptionService 订阅服务
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type SubscriptionService struct {
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groupRepo GroupRepository
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userSubRepo UserSubscriptionRepository
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billingCacheService *BillingCacheService
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}
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// NewSubscriptionService 创建订阅服务
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func NewSubscriptionService(groupRepo GroupRepository, userSubRepo UserSubscriptionRepository, billingCacheService *BillingCacheService) *SubscriptionService {
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return &SubscriptionService{
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groupRepo: groupRepo,
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userSubRepo: userSubRepo,
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billingCacheService: billingCacheService,
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}
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}
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// AssignSubscriptionInput 分配订阅输入
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type AssignSubscriptionInput struct {
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UserID int64
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GroupID int64
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ValidityDays int
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AssignedBy int64
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Notes string
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}
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// AssignSubscription 分配订阅给用户(不允许重复分配)
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func (s *SubscriptionService) AssignSubscription(ctx context.Context, input *AssignSubscriptionInput) (*UserSubscription, error) {
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// 检查分组是否存在且为订阅类型
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group, err := s.groupRepo.GetByID(ctx, input.GroupID)
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if err != nil {
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return nil, fmt.Errorf("group not found: %w", err)
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}
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if !group.IsSubscriptionType() {
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return nil, ErrGroupNotSubscriptionType
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}
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// 检查是否已存在订阅
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exists, err := s.userSubRepo.ExistsByUserIDAndGroupID(ctx, input.UserID, input.GroupID)
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if err != nil {
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return nil, err
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}
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if exists {
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return nil, ErrSubscriptionAlreadyExists
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}
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sub, err := s.createSubscription(ctx, input)
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if err != nil {
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return nil, err
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}
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// 失效订阅缓存
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if s.billingCacheService != nil {
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userID, groupID := input.UserID, input.GroupID
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go func() {
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cacheCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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_ = s.billingCacheService.InvalidateSubscription(cacheCtx, userID, groupID)
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}()
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}
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return sub, nil
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}
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// AssignOrExtendSubscription 分配或续期订阅(用于兑换码等场景)
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// 如果用户已有同分组的订阅:
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// - 未过期:从当前过期时间累加天数
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// - 已过期:从当前时间开始计算新的过期时间,并激活订阅
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//
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// 如果没有订阅:创建新订阅
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func (s *SubscriptionService) AssignOrExtendSubscription(ctx context.Context, input *AssignSubscriptionInput) (*UserSubscription, bool, error) {
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// 检查分组是否存在且为订阅类型
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group, err := s.groupRepo.GetByID(ctx, input.GroupID)
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if err != nil {
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return nil, false, fmt.Errorf("group not found: %w", err)
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}
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if !group.IsSubscriptionType() {
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return nil, false, ErrGroupNotSubscriptionType
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}
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// 查询是否已有订阅
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existingSub, err := s.userSubRepo.GetByUserIDAndGroupID(ctx, input.UserID, input.GroupID)
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if err != nil {
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// 不存在记录是正常情况,其他错误需要返回
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existingSub = nil
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}
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validityDays := input.ValidityDays
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if validityDays <= 0 {
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validityDays = 30
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}
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if validityDays > MaxValidityDays {
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validityDays = MaxValidityDays
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}
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// 已有订阅,执行续期
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if existingSub != nil {
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now := time.Now()
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var newExpiresAt time.Time
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if existingSub.ExpiresAt.After(now) {
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// 未过期:从当前过期时间累加
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newExpiresAt = existingSub.ExpiresAt.AddDate(0, 0, validityDays)
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} else {
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// 已过期:从当前时间开始计算
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newExpiresAt = now.AddDate(0, 0, validityDays)
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}
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// 确保不超过最大过期时间
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if newExpiresAt.After(MaxExpiresAt) {
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newExpiresAt = MaxExpiresAt
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}
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// 更新过期时间
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if err := s.userSubRepo.ExtendExpiry(ctx, existingSub.ID, newExpiresAt); err != nil {
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return nil, false, fmt.Errorf("extend subscription: %w", err)
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}
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// 如果订阅已过期或被暂停,恢复为active状态
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if existingSub.Status != SubscriptionStatusActive {
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if err := s.userSubRepo.UpdateStatus(ctx, existingSub.ID, SubscriptionStatusActive); err != nil {
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return nil, false, fmt.Errorf("update subscription status: %w", err)
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}
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}
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// 追加备注
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if input.Notes != "" {
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newNotes := existingSub.Notes
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if newNotes != "" {
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newNotes += "\n"
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}
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newNotes += input.Notes
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if err := s.userSubRepo.UpdateNotes(ctx, existingSub.ID, newNotes); err != nil {
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log.Printf("update subscription notes failed: sub_id=%d err=%v", existingSub.ID, err)
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}
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}
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// 失效订阅缓存
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if s.billingCacheService != nil {
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userID, groupID := input.UserID, input.GroupID
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go func() {
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cacheCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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_ = s.billingCacheService.InvalidateSubscription(cacheCtx, userID, groupID)
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}()
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}
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// 返回更新后的订阅
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sub, err := s.userSubRepo.GetByID(ctx, existingSub.ID)
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return sub, true, err // true 表示是续期
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}
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// 没有订阅,创建新订阅
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sub, err := s.createSubscription(ctx, input)
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if err != nil {
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return nil, false, err
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}
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// 失效订阅缓存
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if s.billingCacheService != nil {
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userID, groupID := input.UserID, input.GroupID
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go func() {
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cacheCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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_ = s.billingCacheService.InvalidateSubscription(cacheCtx, userID, groupID)
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}()
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}
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return sub, false, nil // false 表示是新建
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}
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// createSubscription 创建新订阅(内部方法)
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func (s *SubscriptionService) createSubscription(ctx context.Context, input *AssignSubscriptionInput) (*UserSubscription, error) {
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validityDays := input.ValidityDays
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if validityDays <= 0 {
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validityDays = 30
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}
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if validityDays > MaxValidityDays {
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validityDays = MaxValidityDays
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}
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now := time.Now()
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expiresAt := now.AddDate(0, 0, validityDays)
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if expiresAt.After(MaxExpiresAt) {
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expiresAt = MaxExpiresAt
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}
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sub := &UserSubscription{
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UserID: input.UserID,
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GroupID: input.GroupID,
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StartsAt: now,
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ExpiresAt: expiresAt,
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Status: SubscriptionStatusActive,
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AssignedAt: now,
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Notes: input.Notes,
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CreatedAt: now,
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UpdatedAt: now,
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}
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// 只有当 AssignedBy > 0 时才设置(0 表示系统分配,如兑换码)
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if input.AssignedBy > 0 {
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sub.AssignedBy = &input.AssignedBy
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}
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if err := s.userSubRepo.Create(ctx, sub); err != nil {
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return nil, err
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}
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// 重新获取完整订阅信息(包含关联)
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return s.userSubRepo.GetByID(ctx, sub.ID)
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}
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// BulkAssignSubscriptionInput 批量分配订阅输入
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type BulkAssignSubscriptionInput struct {
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UserIDs []int64
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GroupID int64
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ValidityDays int
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AssignedBy int64
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Notes string
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}
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// BulkAssignResult 批量分配结果
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type BulkAssignResult struct {
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SuccessCount int
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FailedCount int
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Subscriptions []UserSubscription
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Errors []string
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}
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// BulkAssignSubscription 批量分配订阅
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func (s *SubscriptionService) BulkAssignSubscription(ctx context.Context, input *BulkAssignSubscriptionInput) (*BulkAssignResult, error) {
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result := &BulkAssignResult{
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Subscriptions: make([]UserSubscription, 0),
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Errors: make([]string, 0),
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}
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for _, userID := range input.UserIDs {
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sub, err := s.AssignSubscription(ctx, &AssignSubscriptionInput{
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UserID: userID,
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GroupID: input.GroupID,
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ValidityDays: input.ValidityDays,
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AssignedBy: input.AssignedBy,
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Notes: input.Notes,
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})
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if err != nil {
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result.FailedCount++
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result.Errors = append(result.Errors, fmt.Sprintf("user %d: %v", userID, err))
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} else {
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result.SuccessCount++
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result.Subscriptions = append(result.Subscriptions, *sub)
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}
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}
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return result, nil
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}
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// RevokeSubscription 撤销订阅
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func (s *SubscriptionService) RevokeSubscription(ctx context.Context, subscriptionID int64) error {
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// 先获取订阅信息用于失效缓存
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sub, err := s.userSubRepo.GetByID(ctx, subscriptionID)
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if err != nil {
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return err
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}
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if err := s.userSubRepo.Delete(ctx, subscriptionID); err != nil {
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return err
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}
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// 失效订阅缓存
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if s.billingCacheService != nil {
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userID, groupID := sub.UserID, sub.GroupID
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go func() {
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cacheCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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_ = s.billingCacheService.InvalidateSubscription(cacheCtx, userID, groupID)
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}()
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}
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return nil
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}
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// ExtendSubscription 延长订阅
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func (s *SubscriptionService) ExtendSubscription(ctx context.Context, subscriptionID int64, days int) (*UserSubscription, error) {
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sub, err := s.userSubRepo.GetByID(ctx, subscriptionID)
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if err != nil {
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return nil, ErrSubscriptionNotFound
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}
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// 限制延长天数
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if days > MaxValidityDays {
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days = MaxValidityDays
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}
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// 计算新的过期时间
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newExpiresAt := sub.ExpiresAt.AddDate(0, 0, days)
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if newExpiresAt.After(MaxExpiresAt) {
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newExpiresAt = MaxExpiresAt
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}
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if err := s.userSubRepo.ExtendExpiry(ctx, subscriptionID, newExpiresAt); err != nil {
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return nil, err
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}
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// 如果订阅已过期,恢复为active状态
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if sub.Status == SubscriptionStatusExpired {
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if err := s.userSubRepo.UpdateStatus(ctx, subscriptionID, SubscriptionStatusActive); err != nil {
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return nil, err
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}
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}
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// 失效订阅缓存
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if s.billingCacheService != nil {
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userID, groupID := sub.UserID, sub.GroupID
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go func() {
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cacheCtx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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_ = s.billingCacheService.InvalidateSubscription(cacheCtx, userID, groupID)
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}()
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}
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return s.userSubRepo.GetByID(ctx, subscriptionID)
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}
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// GetByID 根据ID获取订阅
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func (s *SubscriptionService) GetByID(ctx context.Context, id int64) (*UserSubscription, error) {
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return s.userSubRepo.GetByID(ctx, id)
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}
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// GetActiveSubscription 获取用户对特定分组的有效订阅
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func (s *SubscriptionService) GetActiveSubscription(ctx context.Context, userID, groupID int64) (*UserSubscription, error) {
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sub, err := s.userSubRepo.GetActiveByUserIDAndGroupID(ctx, userID, groupID)
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if err != nil {
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return nil, ErrSubscriptionNotFound
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}
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return sub, nil
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}
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// ListUserSubscriptions 获取用户的所有订阅
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func (s *SubscriptionService) ListUserSubscriptions(ctx context.Context, userID int64) ([]UserSubscription, error) {
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subs, err := s.userSubRepo.ListByUserID(ctx, userID)
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if err != nil {
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return nil, err
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}
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normalizeExpiredWindows(subs)
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return subs, nil
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}
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// ListActiveUserSubscriptions 获取用户的所有有效订阅
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func (s *SubscriptionService) ListActiveUserSubscriptions(ctx context.Context, userID int64) ([]UserSubscription, error) {
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subs, err := s.userSubRepo.ListActiveByUserID(ctx, userID)
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if err != nil {
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return nil, err
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}
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normalizeExpiredWindows(subs)
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return subs, nil
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}
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// ListGroupSubscriptions 获取分组的所有订阅
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func (s *SubscriptionService) ListGroupSubscriptions(ctx context.Context, groupID int64, page, pageSize int) ([]UserSubscription, *pagination.PaginationResult, error) {
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params := pagination.PaginationParams{Page: page, PageSize: pageSize}
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subs, pag, err := s.userSubRepo.ListByGroupID(ctx, groupID, params)
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if err != nil {
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return nil, nil, err
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}
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normalizeExpiredWindows(subs)
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return subs, pag, nil
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}
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// List 获取所有订阅(分页,支持筛选)
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func (s *SubscriptionService) List(ctx context.Context, page, pageSize int, userID, groupID *int64, status string) ([]UserSubscription, *pagination.PaginationResult, error) {
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params := pagination.PaginationParams{Page: page, PageSize: pageSize}
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subs, pag, err := s.userSubRepo.List(ctx, params, userID, groupID, status)
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if err != nil {
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return nil, nil, err
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}
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normalizeExpiredWindows(subs)
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return subs, pag, nil
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}
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// normalizeExpiredWindows 将已过期窗口的数据清零(仅影响返回数据,不影响数据库)
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// 这确保前端显示正确的当前窗口状态,而不是过期窗口的历史数据
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func normalizeExpiredWindows(subs []UserSubscription) {
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for i := range subs {
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sub := &subs[i]
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// 日窗口过期:清零展示数据
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if sub.NeedsDailyReset() {
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sub.DailyWindowStart = nil
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sub.DailyUsageUSD = 0
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}
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// 周窗口过期:清零展示数据
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if sub.NeedsWeeklyReset() {
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sub.WeeklyWindowStart = nil
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sub.WeeklyUsageUSD = 0
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}
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// 月窗口过期:清零展示数据
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if sub.NeedsMonthlyReset() {
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sub.MonthlyWindowStart = nil
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sub.MonthlyUsageUSD = 0
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}
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}
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}
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// startOfDay 返回给定时间所在日期的零点(保持原时区)
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func startOfDay(t time.Time) time.Time {
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return time.Date(t.Year(), t.Month(), t.Day(), 0, 0, 0, 0, t.Location())
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}
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// CheckAndActivateWindow 检查并激活窗口(首次使用时)
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func (s *SubscriptionService) CheckAndActivateWindow(ctx context.Context, sub *UserSubscription) error {
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if sub.IsWindowActivated() {
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return nil
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}
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|
||||
// 使用当天零点作为窗口起始时间
|
||||
windowStart := startOfDay(time.Now())
|
||||
return s.userSubRepo.ActivateWindows(ctx, sub.ID, windowStart)
|
||||
}
|
||||
|
||||
// CheckAndResetWindows 检查并重置过期的窗口
|
||||
func (s *SubscriptionService) CheckAndResetWindows(ctx context.Context, sub *UserSubscription) error {
|
||||
// 使用当天零点作为新窗口起始时间
|
||||
windowStart := startOfDay(time.Now())
|
||||
needsInvalidateCache := false
|
||||
|
||||
// 日窗口重置(24小时)
|
||||
if sub.NeedsDailyReset() {
|
||||
if err := s.userSubRepo.ResetDailyUsage(ctx, sub.ID, windowStart); err != nil {
|
||||
return err
|
||||
}
|
||||
sub.DailyWindowStart = &windowStart
|
||||
sub.DailyUsageUSD = 0
|
||||
needsInvalidateCache = true
|
||||
}
|
||||
|
||||
// 周窗口重置(7天)
|
||||
if sub.NeedsWeeklyReset() {
|
||||
if err := s.userSubRepo.ResetWeeklyUsage(ctx, sub.ID, windowStart); err != nil {
|
||||
return err
|
||||
}
|
||||
sub.WeeklyWindowStart = &windowStart
|
||||
sub.WeeklyUsageUSD = 0
|
||||
needsInvalidateCache = true
|
||||
}
|
||||
|
||||
// 月窗口重置(30天)
|
||||
if sub.NeedsMonthlyReset() {
|
||||
if err := s.userSubRepo.ResetMonthlyUsage(ctx, sub.ID, windowStart); err != nil {
|
||||
return err
|
||||
}
|
||||
sub.MonthlyWindowStart = &windowStart
|
||||
sub.MonthlyUsageUSD = 0
|
||||
needsInvalidateCache = true
|
||||
}
|
||||
|
||||
// 如果有窗口被重置,失效 Redis 缓存以保持一致性
|
||||
if needsInvalidateCache && s.billingCacheService != nil {
|
||||
_ = s.billingCacheService.InvalidateSubscription(ctx, sub.UserID, sub.GroupID)
|
||||
}
|
||||
|
||||
return nil
|
||||
}
|
||||
|
||||
// CheckUsageLimits 检查使用限额(返回错误如果超限)
|
||||
// 用于中间件的快速预检查,additionalCost 通常为 0
|
||||
func (s *SubscriptionService) CheckUsageLimits(ctx context.Context, sub *UserSubscription, group *Group, additionalCost float64) error {
|
||||
if !sub.CheckDailyLimit(group, additionalCost) {
|
||||
return ErrDailyLimitExceeded
|
||||
}
|
||||
if !sub.CheckWeeklyLimit(group, additionalCost) {
|
||||
return ErrWeeklyLimitExceeded
|
||||
}
|
||||
if !sub.CheckMonthlyLimit(group, additionalCost) {
|
||||
return ErrMonthlyLimitExceeded
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
// RecordUsage 记录使用量到订阅
|
||||
func (s *SubscriptionService) RecordUsage(ctx context.Context, subscriptionID int64, costUSD float64) error {
|
||||
return s.userSubRepo.IncrementUsage(ctx, subscriptionID, costUSD)
|
||||
}
|
||||
|
||||
// SubscriptionProgress 订阅进度
|
||||
type SubscriptionProgress struct {
|
||||
ID int64 `json:"id"`
|
||||
GroupName string `json:"group_name"`
|
||||
ExpiresAt time.Time `json:"expires_at"`
|
||||
ExpiresInDays int `json:"expires_in_days"`
|
||||
Daily *UsageWindowProgress `json:"daily,omitempty"`
|
||||
Weekly *UsageWindowProgress `json:"weekly,omitempty"`
|
||||
Monthly *UsageWindowProgress `json:"monthly,omitempty"`
|
||||
}
|
||||
|
||||
// UsageWindowProgress 使用窗口进度
|
||||
type UsageWindowProgress struct {
|
||||
LimitUSD float64 `json:"limit_usd"`
|
||||
UsedUSD float64 `json:"used_usd"`
|
||||
RemainingUSD float64 `json:"remaining_usd"`
|
||||
Percentage float64 `json:"percentage"`
|
||||
WindowStart time.Time `json:"window_start"`
|
||||
ResetsAt time.Time `json:"resets_at"`
|
||||
ResetsInSeconds int64 `json:"resets_in_seconds"`
|
||||
}
|
||||
|
||||
// GetSubscriptionProgress 获取订阅使用进度
|
||||
func (s *SubscriptionService) GetSubscriptionProgress(ctx context.Context, subscriptionID int64) (*SubscriptionProgress, error) {
|
||||
sub, err := s.userSubRepo.GetByID(ctx, subscriptionID)
|
||||
if err != nil {
|
||||
return nil, ErrSubscriptionNotFound
|
||||
}
|
||||
|
||||
group := sub.Group
|
||||
if group == nil {
|
||||
group, err = s.groupRepo.GetByID(ctx, sub.GroupID)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
}
|
||||
|
||||
progress := &SubscriptionProgress{
|
||||
ID: sub.ID,
|
||||
GroupName: group.Name,
|
||||
ExpiresAt: sub.ExpiresAt,
|
||||
ExpiresInDays: sub.DaysRemaining(),
|
||||
}
|
||||
|
||||
// 日进度
|
||||
if group.HasDailyLimit() && sub.DailyWindowStart != nil {
|
||||
limit := *group.DailyLimitUSD
|
||||
resetsAt := sub.DailyWindowStart.Add(24 * time.Hour)
|
||||
progress.Daily = &UsageWindowProgress{
|
||||
LimitUSD: limit,
|
||||
UsedUSD: sub.DailyUsageUSD,
|
||||
RemainingUSD: limit - sub.DailyUsageUSD,
|
||||
Percentage: (sub.DailyUsageUSD / limit) * 100,
|
||||
WindowStart: *sub.DailyWindowStart,
|
||||
ResetsAt: resetsAt,
|
||||
ResetsInSeconds: int64(time.Until(resetsAt).Seconds()),
|
||||
}
|
||||
if progress.Daily.RemainingUSD < 0 {
|
||||
progress.Daily.RemainingUSD = 0
|
||||
}
|
||||
if progress.Daily.Percentage > 100 {
|
||||
progress.Daily.Percentage = 100
|
||||
}
|
||||
if progress.Daily.ResetsInSeconds < 0 {
|
||||
progress.Daily.ResetsInSeconds = 0
|
||||
}
|
||||
}
|
||||
|
||||
// 周进度
|
||||
if group.HasWeeklyLimit() && sub.WeeklyWindowStart != nil {
|
||||
limit := *group.WeeklyLimitUSD
|
||||
resetsAt := sub.WeeklyWindowStart.Add(7 * 24 * time.Hour)
|
||||
progress.Weekly = &UsageWindowProgress{
|
||||
LimitUSD: limit,
|
||||
UsedUSD: sub.WeeklyUsageUSD,
|
||||
RemainingUSD: limit - sub.WeeklyUsageUSD,
|
||||
Percentage: (sub.WeeklyUsageUSD / limit) * 100,
|
||||
WindowStart: *sub.WeeklyWindowStart,
|
||||
ResetsAt: resetsAt,
|
||||
ResetsInSeconds: int64(time.Until(resetsAt).Seconds()),
|
||||
}
|
||||
if progress.Weekly.RemainingUSD < 0 {
|
||||
progress.Weekly.RemainingUSD = 0
|
||||
}
|
||||
if progress.Weekly.Percentage > 100 {
|
||||
progress.Weekly.Percentage = 100
|
||||
}
|
||||
if progress.Weekly.ResetsInSeconds < 0 {
|
||||
progress.Weekly.ResetsInSeconds = 0
|
||||
}
|
||||
}
|
||||
|
||||
// 月进度
|
||||
if group.HasMonthlyLimit() && sub.MonthlyWindowStart != nil {
|
||||
limit := *group.MonthlyLimitUSD
|
||||
resetsAt := sub.MonthlyWindowStart.Add(30 * 24 * time.Hour)
|
||||
progress.Monthly = &UsageWindowProgress{
|
||||
LimitUSD: limit,
|
||||
UsedUSD: sub.MonthlyUsageUSD,
|
||||
RemainingUSD: limit - sub.MonthlyUsageUSD,
|
||||
Percentage: (sub.MonthlyUsageUSD / limit) * 100,
|
||||
WindowStart: *sub.MonthlyWindowStart,
|
||||
ResetsAt: resetsAt,
|
||||
ResetsInSeconds: int64(time.Until(resetsAt).Seconds()),
|
||||
}
|
||||
if progress.Monthly.RemainingUSD < 0 {
|
||||
progress.Monthly.RemainingUSD = 0
|
||||
}
|
||||
if progress.Monthly.Percentage > 100 {
|
||||
progress.Monthly.Percentage = 100
|
||||
}
|
||||
if progress.Monthly.ResetsInSeconds < 0 {
|
||||
progress.Monthly.ResetsInSeconds = 0
|
||||
}
|
||||
}
|
||||
|
||||
return progress, nil
|
||||
}
|
||||
|
||||
// GetUserSubscriptionsWithProgress 获取用户所有订阅及进度
|
||||
func (s *SubscriptionService) GetUserSubscriptionsWithProgress(ctx context.Context, userID int64) ([]SubscriptionProgress, error) {
|
||||
subs, err := s.userSubRepo.ListActiveByUserID(ctx, userID)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
progresses := make([]SubscriptionProgress, 0, len(subs))
|
||||
for _, sub := range subs {
|
||||
progress, err := s.GetSubscriptionProgress(ctx, sub.ID)
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
progresses = append(progresses, *progress)
|
||||
}
|
||||
|
||||
return progresses, nil
|
||||
}
|
||||
|
||||
// UpdateExpiredSubscriptions 更新过期订阅状态(定时任务调用)
|
||||
func (s *SubscriptionService) UpdateExpiredSubscriptions(ctx context.Context) (int64, error) {
|
||||
return s.userSubRepo.BatchUpdateExpiredStatus(ctx)
|
||||
}
|
||||
|
||||
// ValidateSubscription 验证订阅是否有效
|
||||
func (s *SubscriptionService) ValidateSubscription(ctx context.Context, sub *UserSubscription) error {
|
||||
if sub.Status == SubscriptionStatusExpired {
|
||||
return ErrSubscriptionExpired
|
||||
}
|
||||
if sub.Status == SubscriptionStatusSuspended {
|
||||
return ErrSubscriptionSuspended
|
||||
}
|
||||
if sub.IsExpired() {
|
||||
// 更新状态
|
||||
_ = s.userSubRepo.UpdateStatus(ctx, sub.ID, SubscriptionStatusExpired)
|
||||
return ErrSubscriptionExpired
|
||||
}
|
||||
return nil
|
||||
}
|
||||
Reference in New Issue
Block a user