Initial commit

internal/service/settings.go

@@ -0,0 +1,128 @@
+package service
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+
+	"git.zkcoi.com/zkcoi/meshray/internal/model"
+	sqlite "git.zkcoi.com/zkcoi/meshray/internal/store/sqlite"
+	"go.uber.org/zap"
+	"gorm.io/gorm"
+)
+
+// SettingsService 系统设置服务
+type SettingsService struct {
+	store  *sqlite.Store
+	logger *zap.Logger
+}
+
+// NewSettingsService 创建系统设置服务
+func NewSettingsService(store *sqlite.Store, logger *zap.Logger) *SettingsService {
+	return &SettingsService{
+		store:  store,
+		logger: logger,
+	}
+}
+
+// GetSettings 获取系统设置（单例）
+func (s *SettingsService) GetSettings() (*model.SystemSetting, error) {
+	var setting model.SystemSetting
+
+	// 尝试查找 ID=1 的记录
+	result := s.store.DB().First(&setting, 1)
+	if result.Error != nil {
+		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
+			// 如果不存在，创建默认设置
+			setting = model.SystemSetting{
+				ID:         1,
+				ServerIP:   "",
+				ServerPort: 51820,
+				LogLevel:   "info",
+				LogFormat:  "console",
+				MaxBackups: 7,
+				MaxAge:     30,
+				Theme:      "light",
+				Language:   "zh-CN",
+			}
+			if err := s.store.DB().Create(&setting).Error; err != nil {
+				return nil, fmt.Errorf("创建默认设置失败：%w", err)
+			}
+			s.logger.Info("已创建默认系统设置")
+			return &setting, nil
+		}
+		return nil, fmt.Errorf("查询设置失败：%w", result.Error)
+	}
+
+	return &setting, nil
+}
+
+// UpdateSettings 更新系统设置
+func (s *SettingsService) UpdateSettings(updates map[string]interface{}) (*model.SystemSetting, error) {
+	// 先获取现有设置
+	setting, err := s.GetSettings()
+	if err != nil {
+		return nil, err
+	}
+
+	// JSON 序列化 updates，确保数据有效
+	data, err := json.Marshal(updates)
+	if err != nil {
+		return nil, fmt.Errorf("序列化更新数据失败：%w", err)
+	}
+
+	// 反序列化到临时对象，过滤无效字段
+	var validUpdates map[string]interface{}
+	if err := json.Unmarshal(data, &validUpdates); err != nil {
+		return nil, fmt.Errorf("解析更新数据失败：%w", err)
+	}
+
+	// 移除敏感字段和不可变字段
+	delete(validUpdates, "id")
+	delete(validUpdates, "created_at")
+	delete(validUpdates, "updated_at")
+
+	// 构建 GORM 的 Updates map
+	updatesMap := make(map[string]interface{})
+	for key, value := range validUpdates {
+		// 驼峰转蛇形转换（可选，这里直接使用前端传来的键名）
+		updatesMap[key] = value
+	}
+
+	// 执行更新
+	if err := s.store.DB().Model(&setting).Updates(updatesMap).Error; err != nil {
+		return nil, fmt.Errorf("更新设置失败：%w", err)
+	}
+
+	s.logger.Info("系统设置已更新", zap.Any("updates", updates))
+
+	// 返回最新数据
+	return s.GetSettings()
+}
+
+// ResetSettings 重置为默认设置
+func (s *SettingsService) ResetSettings() (*model.SystemSetting, error) {
+	_, err := s.GetSettings()
+	if err != nil {
+		return nil, err
+	}
+
+	defaultSetting := model.SystemSetting{
+		ID:         1,
+		ServerIP:   "",
+		ServerPort: 51820,
+		LogLevel:   "info",
+		LogFormat:  "console",
+		MaxBackups: 7,
+		MaxAge:     30,
+		Theme:      "light",
+		Language:   "zh-CN",
+	}
+
+	if err := s.store.DB().Save(&defaultSetting).Error; err != nil {
+		return nil, fmt.Errorf("重置设置失败：%w", err)
+	}
+
+	s.logger.Info("系统设置已重置为默认值")
+	return &defaultSetting, nil
+}