refactor: 删除 ports 目录

backend/internal/service/token_refresh_service.go

@@ -9,13 +9,12 @@ import (
 
 	"github.com/Wei-Shaw/sub2api/internal/config"
 	"github.com/Wei-Shaw/sub2api/internal/model"
-	"github.com/Wei-Shaw/sub2api/internal/service/ports"
 )
 
 // TokenRefreshService OAuth token自动刷新服务
 // 定期检查并刷新即将过期的token
 type TokenRefreshService struct {
-	accountRepo ports.AccountRepository
+	accountRepo AccountRepository
 	refreshers  []TokenRefresher
 	cfg         *config.TokenRefreshConfig
 
@@ -25,7 +24,7 @@ type TokenRefreshService struct {
 
 // NewTokenRefreshService 创建token刷新服务
 func NewTokenRefreshService(
-	accountRepo ports.AccountRepository,
+	accountRepo AccountRepository,
 	oauthService *OAuthService,
 	openaiOAuthService *OpenAIOAuthService,
 	cfg *config.Config,

backend/internal/service/update_service.go

@@ -17,8 +17,6 @@ import (
 	"strconv"
 	"strings"
 	"time"
-
-	"github.com/Wei-Shaw/sub2api/internal/service/ports"
 )
 
 const (
@@ -34,6 +32,12 @@ const (
 	maxDownloadSize = 500 * 1024 * 1024
 )
 
+// UpdateCache defines cache operations for update service
+type UpdateCache interface {
+	GetUpdateInfo(ctx context.Context) (string, error)
+	SetUpdateInfo(ctx context.Context, data string, ttl time.Duration) error
+}
+
 // GitHubReleaseClient 获取 GitHub release 信息的接口
 type GitHubReleaseClient interface {
 	FetchLatestRelease(ctx context.Context, repo string) (*GitHubRelease, error)
@@ -43,14 +47,14 @@ type GitHubReleaseClient interface {
 
 // UpdateService handles software updates
 type UpdateService struct {
-	cache          ports.UpdateCache
+	cache          UpdateCache
 	githubClient   GitHubReleaseClient
 	currentVersion string
 	buildType      string // "source" for manual builds, "release" for CI builds
 }
 
 // NewUpdateService creates a new UpdateService
-func NewUpdateService(cache ports.UpdateCache, githubClient GitHubReleaseClient, version, buildType string) *UpdateService {
+func NewUpdateService(cache UpdateCache, githubClient GitHubReleaseClient, version, buildType string) *UpdateService {
 	return &UpdateService{
 		cache:          cache,
 		githubClient:   githubClient,

backend/internal/service/usage_service.go

@@ -4,12 +4,11 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"time"
+
 	"github.com/Wei-Shaw/sub2api/internal/model"
 	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
 	"github.com/Wei-Shaw/sub2api/internal/pkg/usagestats"
-	"github.com/Wei-Shaw/sub2api/internal/service/ports"
-	"time"
-
 	"gorm.io/gorm"
 )
 
@@ -55,12 +54,12 @@ type UsageStats struct {
 
 // UsageService 使用统计服务
 type UsageService struct {
-	usageRepo ports.UsageLogRepository
-	userRepo  ports.UserRepository
+	usageRepo UsageLogRepository
+	userRepo  UserRepository
 }
 
 // NewUsageService 创建使用统计服务实例
-func NewUsageService(usageRepo ports.UsageLogRepository, userRepo ports.UserRepository) *UsageService {
+func NewUsageService(usageRepo UsageLogRepository, userRepo UserRepository) *UsageService {
 	return &UsageService{
 		usageRepo: usageRepo,
 		userRepo:  userRepo,

backend/internal/service/user_service.go

@@ -4,10 +4,9 @@ import (
 	"context"
 	"errors"
 	"fmt"
+
 	"github.com/Wei-Shaw/sub2api/internal/model"
 	"github.com/Wei-Shaw/sub2api/internal/pkg/pagination"
-	"github.com/Wei-Shaw/sub2api/internal/service/ports"
-
 	"golang.org/x/crypto/bcrypt"
 	"gorm.io/gorm"
 )
@@ -18,6 +17,24 @@ var (
 	ErrInsufficientPerms = errors.New("insufficient permissions")
 )
 
+type UserRepository interface {
+	Create(ctx context.Context, user *model.User) error
+	GetByID(ctx context.Context, id int64) (*model.User, error)
+	GetByEmail(ctx context.Context, email string) (*model.User, error)
+	GetFirstAdmin(ctx context.Context) (*model.User, error)
+	Update(ctx context.Context, user *model.User) error
+	Delete(ctx context.Context, id int64) error
+
+	List(ctx context.Context, params pagination.PaginationParams) ([]model.User, *pagination.PaginationResult, error)
+	ListWithFilters(ctx context.Context, params pagination.PaginationParams, status, role, search string) ([]model.User, *pagination.PaginationResult, error)
+
+	UpdateBalance(ctx context.Context, id int64, amount float64) error
+	DeductBalance(ctx context.Context, id int64, amount float64) error
+	UpdateConcurrency(ctx context.Context, id int64, amount int) error
+	ExistsByEmail(ctx context.Context, email string) (bool, error)
+	RemoveGroupFromAllowedGroups(ctx context.Context, groupID int64) (int64, error)
+}
+
 // UpdateProfileRequest 更新用户资料请求
 type UpdateProfileRequest struct {
 	Email       *string `json:"email"`
@@ -34,11 +51,11 @@ type ChangePasswordRequest struct {
 
 // UserService 用户服务
 type UserService struct {
-	userRepo ports.UserRepository
+	userRepo UserRepository
 }
 
 // NewUserService 创建用户服务实例
-func NewUserService(userRepo ports.UserRepository) *UserService {
+func NewUserService(userRepo UserRepository) *UserService {
 	return &UserService{
 		userRepo: userRepo,
 	}

backend/internal/service/ports/user_subscription.go → backend/internal/service/user_subscription_port.go

-package ports
+package service
 
 import (
 	"context"

backend/internal/service/wire.go

@@ -2,8 +2,6 @@ package service
 
 import (
 	"github.com/Wei-Shaw/sub2api/internal/config"
-	"github.com/Wei-Shaw/sub2api/internal/service/ports"
-
 	"github.com/google/wire"
 )
 
@@ -24,7 +22,7 @@ func ProvidePricingService(cfg *config.Config, remoteClient PricingRemoteClient)
 }
 
 // ProvideUpdateService creates UpdateService with BuildInfo
-func ProvideUpdateService(cache ports.UpdateCache, githubClient GitHubReleaseClient, buildInfo BuildInfo) *UpdateService {
+func ProvideUpdateService(cache UpdateCache, githubClient GitHubReleaseClient, buildInfo BuildInfo) *UpdateService {
 	return NewUpdateService(cache, githubClient, buildInfo.Version, buildInfo.BuildType)
 }
 
@@ -35,7 +33,7 @@ func ProvideEmailQueueService(emailService *EmailService) *EmailQueueService {
 
 // ProvideTokenRefreshService creates and starts TokenRefreshService
 func ProvideTokenRefreshService(
-	accountRepo ports.AccountRepository,
+	accountRepo AccountRepository,
 	oauthService *OAuthService,
 	openaiOAuthService *OpenAIOAuthService,
 	cfg *config.Config,