326 lines
9.3 KiB
Go
326 lines
9.3 KiB
Go
package services
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import (
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"encoding/json"
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"sync"
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"time"
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"voidraft/internal/models"
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"github.com/fsnotify/fsnotify"
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"github.com/spf13/viper"
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"github.com/wailsapp/wails/v3/pkg/services/log"
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)
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// ConfigService 提供基于 Viper 的配置管理功能
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type ConfigService struct {
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viper *viper.Viper // Viper 实例
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logger *log.LoggerService // 日志服务
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mu sync.RWMutex // 读写锁
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// 配置通知服务
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notificationService *ConfigNotificationService
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}
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// ConfigError 配置错误
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type ConfigError struct {
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Operation string // 操作名称
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Err error // 原始错误
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}
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// Error 实现error接口
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func (e *ConfigError) Error() string {
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return fmt.Sprintf("config error during %s: %v", e.Operation, e.Err)
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}
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// Unwrap 获取原始错误
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func (e *ConfigError) Unwrap() error {
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return e.Err
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}
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// Is 实现错误匹配
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func (e *ConfigError) Is(target error) bool {
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var configError *ConfigError
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ok := errors.As(target, &configError)
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return ok
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}
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// NewConfigService 创建新的配置服务实例
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func NewConfigService(logger *log.LoggerService) *ConfigService {
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// 设置日志服务
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if logger == nil {
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logger = log.New()
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}
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// 获取当前工作目录
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currentDir, err := os.Getwd()
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if err != nil {
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currentDir = "."
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}
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// 固定配置路径和文件名
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configPath := filepath.Join(currentDir, "config")
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configName := "settings"
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// 创建 Viper 实例
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v := viper.New()
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// 配置 Viper
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v.SetConfigName(configName)
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v.SetConfigType("json")
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v.AddConfigPath(configPath)
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// 设置环境变量前缀
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v.SetEnvPrefix("VOIDRAFT")
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v.AutomaticEnv()
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// 设置默认值
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setDefaults(v)
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// 构造配置服务实例
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service := &ConfigService{
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viper: v,
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logger: logger,
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}
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// 初始化配置通知服务
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service.notificationService = NewConfigNotificationService(v, logger)
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// 初始化配置
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if err := service.initConfig(); err != nil {
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service.logger.Error("Config: Failed to initialize config", "error", err)
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}
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// 启动配置文件监听
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service.startWatching()
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return service
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}
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// setDefaults 设置默认配置值
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func setDefaults(v *viper.Viper) {
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defaultConfig := models.NewDefaultAppConfig()
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// 通用设置默认值
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v.SetDefault("general.alwaysOnTop", defaultConfig.General.AlwaysOnTop)
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v.SetDefault("general.dataPath", defaultConfig.General.DataPath)
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v.SetDefault("general.enableSystemTray", defaultConfig.General.EnableSystemTray)
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v.SetDefault("general.enableGlobalHotkey", defaultConfig.General.EnableGlobalHotkey)
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v.SetDefault("general.globalHotkey.ctrl", defaultConfig.General.GlobalHotkey.Ctrl)
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v.SetDefault("general.globalHotkey.shift", defaultConfig.General.GlobalHotkey.Shift)
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v.SetDefault("general.globalHotkey.alt", defaultConfig.General.GlobalHotkey.Alt)
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v.SetDefault("general.globalHotkey.win", defaultConfig.General.GlobalHotkey.Win)
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v.SetDefault("general.globalHotkey.key", defaultConfig.General.GlobalHotkey.Key)
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// 编辑设置默认值
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v.SetDefault("editing.fontSize", defaultConfig.Editing.FontSize)
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v.SetDefault("editing.fontFamily", defaultConfig.Editing.FontFamily)
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v.SetDefault("editing.fontWeight", defaultConfig.Editing.FontWeight)
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v.SetDefault("editing.lineHeight", defaultConfig.Editing.LineHeight)
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v.SetDefault("editing.enableTabIndent", defaultConfig.Editing.EnableTabIndent)
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v.SetDefault("editing.tabSize", defaultConfig.Editing.TabSize)
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v.SetDefault("editing.tabType", defaultConfig.Editing.TabType)
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v.SetDefault("editing.autoSaveDelay", defaultConfig.Editing.AutoSaveDelay)
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// 外观设置默认值
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v.SetDefault("appearance.language", defaultConfig.Appearance.Language)
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v.SetDefault("appearance.systemTheme", defaultConfig.Appearance.SystemTheme)
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// 元数据默认值
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v.SetDefault("metadata.lastUpdated", defaultConfig.Metadata.LastUpdated)
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}
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// initConfig 初始化配置
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func (cs *ConfigService) initConfig() error {
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cs.mu.Lock()
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defer cs.mu.Unlock()
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// 尝试读取配置文件
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if err := cs.viper.ReadInConfig(); err != nil {
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var configFileNotFoundError viper.ConfigFileNotFoundError
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if errors.As(err, &configFileNotFoundError) {
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// 配置文件不存在，创建默认配置文件
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cs.logger.Info("Config: Config file not found, creating default config")
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return cs.createDefaultConfig()
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}
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// 配置文件存在但读取失败
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return &ConfigError{Operation: "read_config", Err: err}
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}
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cs.logger.Info("Config: Successfully loaded config file", "file", cs.viper.ConfigFileUsed())
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return nil
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}
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// createDefaultConfig 创建默认配置文件
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func (cs *ConfigService) createDefaultConfig() error {
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// 获取配置目录路径
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currentDir, err := os.Getwd()
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if err != nil {
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currentDir = "."
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}
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configDir := filepath.Join(currentDir, "config")
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configPath := filepath.Join(configDir, "settings.json")
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// 确保配置目录存在
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if err := os.MkdirAll(configDir, 0755); err != nil {
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return &ConfigError{Operation: "create_config_dir", Err: err}
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}
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// 获取默认配置
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defaultConfig := models.NewDefaultAppConfig()
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// 使用 JSON marshal 方式设置完整的默认配置
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configBytes, err := json.MarshalIndent(defaultConfig, "", " ")
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if err != nil {
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return &ConfigError{Operation: "marshal_default_config", Err: err}
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}
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// 写入配置文件
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if err := os.WriteFile(configPath, configBytes, 0644); err != nil {
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return &ConfigError{Operation: "write_default_config", Err: err}
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}
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// 重新读取配置文件到viper
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if err := cs.viper.ReadInConfig(); err != nil {
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return &ConfigError{Operation: "read_created_config", Err: err}
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}
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cs.logger.Info("Config: Created default config file", "path", configPath)
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return nil
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}
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// startWatching 启动配置文件监听
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func (cs *ConfigService) startWatching() {
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// 设置配置变化回调
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cs.viper.OnConfigChange(func(e fsnotify.Event) {
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cs.logger.Info("Config: Config file changed", "file", e.Name, "operation", e.Op.String())
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// 使用配置通知服务检查所有已注册的配置变更
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cs.notificationService.CheckConfigChanges()
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})
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// 启动配置文件监听
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cs.viper.WatchConfig()
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cs.logger.Info("Config: Started watching config file for changes")
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}
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// GetConfig 获取完整应用配置
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func (cs *ConfigService) GetConfig() (*models.AppConfig, error) {
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cs.mu.RLock()
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defer cs.mu.RUnlock()
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var config models.AppConfig
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if err := cs.viper.Unmarshal(&config); err != nil {
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return nil, &ConfigError{Operation: "unmarshal_config", Err: err}
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}
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return &config, nil
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}
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// Set 设置配置项
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func (cs *ConfigService) Set(key string, value interface{}) error {
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cs.mu.Lock()
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defer cs.mu.Unlock()
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// 设置值到viper
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cs.viper.Set(key, value)
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// 直接从viper获取配置并构建AppConfig结构
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var config models.AppConfig
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if err := cs.viper.Unmarshal(&config); err != nil {
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return &ConfigError{Operation: "unmarshal_config_for_set", Err: err}
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}
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// 更新时间戳
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config.Metadata.LastUpdated = time.Now().Format(time.RFC3339)
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// 直接写入JSON文件
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if err := cs.writeConfigToFile(&config); err != nil {
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return &ConfigError{Operation: "set_config", Err: err}
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}
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return nil
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}
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// Get 获取配置项
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func (cs *ConfigService) Get(key string) interface{} {
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cs.mu.RLock()
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defer cs.mu.RUnlock()
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return cs.viper.Get(key)
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}
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// ResetConfig 强制重置所有配置为默认值
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func (cs *ConfigService) ResetConfig() {
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cs.mu.Lock()
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defer cs.mu.Unlock()
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defaultConfig := models.NewDefaultAppConfig()
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// 直接写入JSON文件
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if err := cs.writeConfigToFile(defaultConfig); err != nil {
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cs.logger.Error("Config: Failed to write config during reset", "error", err)
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return
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}
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// 重新读取配置文件到viper
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if err := cs.viper.ReadInConfig(); err != nil {
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cs.logger.Error("Config: Failed to reload config after reset", "error", err)
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return
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}
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cs.logger.Info("Config: All settings have been reset to defaults")
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// 手动触发配置变更检查，确保通知系统能感知到变更
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cs.notificationService.CheckConfigChanges()
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}
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// writeConfigToFile 直接写入配置到JSON文件
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func (cs *ConfigService) writeConfigToFile(config *models.AppConfig) error {
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// 获取配置文件路径
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currentDir, err := os.Getwd()
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if err != nil {
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currentDir = "."
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}
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configPath := filepath.Join(currentDir, "config", "settings.json")
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// 序列化为JSON
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configBytes, err := json.MarshalIndent(config, "", " ")
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if err != nil {
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return fmt.Errorf("failed to marshal config: %v", err)
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}
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// 写入文件
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if err := os.WriteFile(configPath, configBytes, 0644); err != nil {
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return fmt.Errorf("failed to write config file: %v", err)
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}
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// 重新读取到viper中
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if err := cs.viper.ReadInConfig(); err != nil {
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return fmt.Errorf("failed to reload config: %v", err)
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}
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return nil
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}
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// SetHotkeyChangeCallback 设置热键配置变更回调
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func (cs *ConfigService) SetHotkeyChangeCallback(callback func(enable bool, hotkey *models.HotkeyCombo) error) error {
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cs.mu.Lock()
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defer cs.mu.Unlock()
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// 创建热键监听器并注册
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hotkeyListener := CreateHotkeyListener(callback)
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return cs.notificationService.RegisterListener(hotkeyListener)
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}
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// SetDataPathChangeCallback 设置数据路径配置变更回调
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func (cs *ConfigService) SetDataPathChangeCallback(callback func(oldPath, newPath string) error) error {
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cs.mu.Lock()
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defer cs.mu.Unlock()
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// 创建数据路径监听器并注册
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dataPathListener := CreateDataPathListener(callback)
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return cs.notificationService.RegisterListener(dataPathListener)
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}
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