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264
backend/internal/service/setting_service.go
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264
backend/internal/service/setting_service.go
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package service
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import (
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"context"
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"errors"
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"fmt"
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"strconv"
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"sub2api/internal/config"
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"sub2api/internal/model"
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"sub2api/internal/repository"
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"gorm.io/gorm"
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)
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var (
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ErrRegistrationDisabled = errors.New("registration is currently disabled")
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)
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// SettingService 系统设置服务
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type SettingService struct {
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settingRepo *repository.SettingRepository
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cfg *config.Config
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}
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// NewSettingService 创建系统设置服务实例
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func NewSettingService(settingRepo *repository.SettingRepository, cfg *config.Config) *SettingService {
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return &SettingService{
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settingRepo: settingRepo,
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cfg: cfg,
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}
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}
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// GetAllSettings 获取所有系统设置
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func (s *SettingService) GetAllSettings(ctx context.Context) (*model.SystemSettings, error) {
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settings, err := s.settingRepo.GetAll(ctx)
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if err != nil {
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return nil, fmt.Errorf("get all settings: %w", err)
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}
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return s.parseSettings(settings), nil
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}
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// GetPublicSettings 获取公开设置（无需登录）
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func (s *SettingService) GetPublicSettings(ctx context.Context) (*model.PublicSettings, error) {
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keys := []string{
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model.SettingKeyRegistrationEnabled,
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model.SettingKeyEmailVerifyEnabled,
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model.SettingKeyTurnstileEnabled,
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model.SettingKeyTurnstileSiteKey,
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model.SettingKeySiteName,
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model.SettingKeySiteLogo,
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model.SettingKeySiteSubtitle,
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model.SettingKeyApiBaseUrl,
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model.SettingKeyContactInfo,
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}
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settings, err := s.settingRepo.GetMultiple(ctx, keys)
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if err != nil {
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return nil, fmt.Errorf("get public settings: %w", err)
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}
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return &model.PublicSettings{
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RegistrationEnabled: settings[model.SettingKeyRegistrationEnabled] == "true",
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EmailVerifyEnabled: settings[model.SettingKeyEmailVerifyEnabled] == "true",
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TurnstileEnabled: settings[model.SettingKeyTurnstileEnabled] == "true",
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TurnstileSiteKey: settings[model.SettingKeyTurnstileSiteKey],
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SiteName: s.getStringOrDefault(settings, model.SettingKeySiteName, "Sub2API"),
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SiteLogo: settings[model.SettingKeySiteLogo],
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SiteSubtitle: s.getStringOrDefault(settings, model.SettingKeySiteSubtitle, "Subscription to API Conversion Platform"),
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ApiBaseUrl: settings[model.SettingKeyApiBaseUrl],
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ContactInfo: settings[model.SettingKeyContactInfo],
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}, nil
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}
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// UpdateSettings 更新系统设置
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func (s *SettingService) UpdateSettings(ctx context.Context, settings *model.SystemSettings) error {
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updates := make(map[string]string)
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// 注册设置
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updates[model.SettingKeyRegistrationEnabled] = strconv.FormatBool(settings.RegistrationEnabled)
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updates[model.SettingKeyEmailVerifyEnabled] = strconv.FormatBool(settings.EmailVerifyEnabled)
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// 邮件服务设置（只有非空才更新密码）
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updates[model.SettingKeySmtpHost] = settings.SmtpHost
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updates[model.SettingKeySmtpPort] = strconv.Itoa(settings.SmtpPort)
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updates[model.SettingKeySmtpUsername] = settings.SmtpUsername
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if settings.SmtpPassword != "" {
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updates[model.SettingKeySmtpPassword] = settings.SmtpPassword
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}
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updates[model.SettingKeySmtpFrom] = settings.SmtpFrom
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updates[model.SettingKeySmtpFromName] = settings.SmtpFromName
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updates[model.SettingKeySmtpUseTLS] = strconv.FormatBool(settings.SmtpUseTLS)
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// Cloudflare Turnstile 设置（只有非空才更新密钥）
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updates[model.SettingKeyTurnstileEnabled] = strconv.FormatBool(settings.TurnstileEnabled)
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updates[model.SettingKeyTurnstileSiteKey] = settings.TurnstileSiteKey
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if settings.TurnstileSecretKey != "" {
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updates[model.SettingKeyTurnstileSecretKey] = settings.TurnstileSecretKey
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}
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// OEM设置
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updates[model.SettingKeySiteName] = settings.SiteName
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updates[model.SettingKeySiteLogo] = settings.SiteLogo
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updates[model.SettingKeySiteSubtitle] = settings.SiteSubtitle
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updates[model.SettingKeyApiBaseUrl] = settings.ApiBaseUrl
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updates[model.SettingKeyContactInfo] = settings.ContactInfo
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// 默认配置
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updates[model.SettingKeyDefaultConcurrency] = strconv.Itoa(settings.DefaultConcurrency)
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updates[model.SettingKeyDefaultBalance] = strconv.FormatFloat(settings.DefaultBalance, 'f', 8, 64)
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return s.settingRepo.SetMultiple(ctx, updates)
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}
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// IsRegistrationEnabled 检查是否开放注册
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func (s *SettingService) IsRegistrationEnabled(ctx context.Context) bool {
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value, err := s.settingRepo.GetValue(ctx, model.SettingKeyRegistrationEnabled)
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if err != nil {
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// 默认开放注册
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return true
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}
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return value == "true"
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}
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// IsEmailVerifyEnabled 检查是否开启邮件验证
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func (s *SettingService) IsEmailVerifyEnabled(ctx context.Context) bool {
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value, err := s.settingRepo.GetValue(ctx, model.SettingKeyEmailVerifyEnabled)
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if err != nil {
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return false
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}
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return value == "true"
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}
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// GetSiteName 获取网站名称
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func (s *SettingService) GetSiteName(ctx context.Context) string {
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value, err := s.settingRepo.GetValue(ctx, model.SettingKeySiteName)
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if err != nil || value == "" {
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return "Sub2API"
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}
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return value
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}
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// GetDefaultConcurrency 获取默认并发量
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func (s *SettingService) GetDefaultConcurrency(ctx context.Context) int {
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value, err := s.settingRepo.GetValue(ctx, model.SettingKeyDefaultConcurrency)
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if err != nil {
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return s.cfg.Default.UserConcurrency
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}
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if v, err := strconv.Atoi(value); err == nil && v > 0 {
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return v
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}
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return s.cfg.Default.UserConcurrency
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}
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// GetDefaultBalance 获取默认余额
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func (s *SettingService) GetDefaultBalance(ctx context.Context) float64 {
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value, err := s.settingRepo.GetValue(ctx, model.SettingKeyDefaultBalance)
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if err != nil {
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return s.cfg.Default.UserBalance
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}
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if v, err := strconv.ParseFloat(value, 64); err == nil && v >= 0 {
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return v
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}
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return s.cfg.Default.UserBalance
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}
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// InitializeDefaultSettings 初始化默认设置
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func (s *SettingService) InitializeDefaultSettings(ctx context.Context) error {
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// 检查是否已有设置
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_, err := s.settingRepo.GetValue(ctx, model.SettingKeyRegistrationEnabled)
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if err == nil {
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// 已有设置，不需要初始化
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return nil
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}
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if !errors.Is(err, gorm.ErrRecordNotFound) {
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return fmt.Errorf("check existing settings: %w", err)
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}
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// 初始化默认设置
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defaults := map[string]string{
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model.SettingKeyRegistrationEnabled: "true",
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model.SettingKeyEmailVerifyEnabled: "false",
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model.SettingKeySiteName: "Sub2API",
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model.SettingKeySiteLogo: "",
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model.SettingKeyDefaultConcurrency: strconv.Itoa(s.cfg.Default.UserConcurrency),
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model.SettingKeyDefaultBalance: strconv.FormatFloat(s.cfg.Default.UserBalance, 'f', 8, 64),
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model.SettingKeySmtpPort: "587",
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model.SettingKeySmtpUseTLS: "false",
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}
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return s.settingRepo.SetMultiple(ctx, defaults)
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}
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// parseSettings 解析设置到结构体
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func (s *SettingService) parseSettings(settings map[string]string) *model.SystemSettings {
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result := &model.SystemSettings{
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RegistrationEnabled: settings[model.SettingKeyRegistrationEnabled] == "true",
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EmailVerifyEnabled: settings[model.SettingKeyEmailVerifyEnabled] == "true",
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SmtpHost: settings[model.SettingKeySmtpHost],
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SmtpUsername: settings[model.SettingKeySmtpUsername],
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SmtpFrom: settings[model.SettingKeySmtpFrom],
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SmtpFromName: settings[model.SettingKeySmtpFromName],
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SmtpUseTLS: settings[model.SettingKeySmtpUseTLS] == "true",
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TurnstileEnabled: settings[model.SettingKeyTurnstileEnabled] == "true",
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TurnstileSiteKey: settings[model.SettingKeyTurnstileSiteKey],
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SiteName: s.getStringOrDefault(settings, model.SettingKeySiteName, "Sub2API"),
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SiteLogo: settings[model.SettingKeySiteLogo],
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SiteSubtitle: s.getStringOrDefault(settings, model.SettingKeySiteSubtitle, "Subscription to API Conversion Platform"),
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ApiBaseUrl: settings[model.SettingKeyApiBaseUrl],
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ContactInfo: settings[model.SettingKeyContactInfo],
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}
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// 解析整数类型
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if port, err := strconv.Atoi(settings[model.SettingKeySmtpPort]); err == nil {
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result.SmtpPort = port
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} else {
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result.SmtpPort = 587
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}
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if concurrency, err := strconv.Atoi(settings[model.SettingKeyDefaultConcurrency]); err == nil {
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result.DefaultConcurrency = concurrency
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} else {
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result.DefaultConcurrency = s.cfg.Default.UserConcurrency
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}
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// 解析浮点数类型
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if balance, err := strconv.ParseFloat(settings[model.SettingKeyDefaultBalance], 64); err == nil {
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result.DefaultBalance = balance
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} else {
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result.DefaultBalance = s.cfg.Default.UserBalance
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}
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// 敏感信息直接返回，方便测试连接时使用
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result.SmtpPassword = settings[model.SettingKeySmtpPassword]
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result.TurnstileSecretKey = settings[model.SettingKeyTurnstileSecretKey]
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return result
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}
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// getStringOrDefault 获取字符串值或默认值
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func (s *SettingService) getStringOrDefault(settings map[string]string, key, defaultValue string) string {
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if value, ok := settings[key]; ok && value != "" {
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return value
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}
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return defaultValue
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}
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// IsTurnstileEnabled 检查是否启用 Turnstile 验证
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func (s *SettingService) IsTurnstileEnabled(ctx context.Context) bool {
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value, err := s.settingRepo.GetValue(ctx, model.SettingKeyTurnstileEnabled)
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if err != nil {
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return false
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}
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return value == "true"
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}
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// GetTurnstileSecretKey 获取 Turnstile Secret Key
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func (s *SettingService) GetTurnstileSecretKey(ctx context.Context) string {
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value, err := s.settingRepo.GetValue(ctx, model.SettingKeyTurnstileSecretKey)
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if err != nil {
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return ""
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}
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return value
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}
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