New warehouse

services/settings.go

@@ -0,0 +1,105 @@
+package services
+
+import (
+	"networkDev/database"
+	"networkDev/models"
+	"strconv"
+	"sync"
+
+	"github.com/sirupsen/logrus"
+)
+
+// SettingsService 设置服务
+type SettingsService struct {
+	mu    sync.RWMutex
+	cache map[string]string
+}
+
+var settingsService *SettingsService
+var settingsOnce sync.Once
+
+// GetSettingsService 获取设置服务单例
+func GetSettingsService() *SettingsService {
+	settingsOnce.Do(func() {
+		settingsService = &SettingsService{
+			cache: make(map[string]string),
+		}
+		// 初始化时加载所有设置
+		settingsService.loadAllSettings()
+	})
+	return settingsService
+}
+
+// loadAllSettings 从数据库加载所有设置到缓存
+func (s *SettingsService) loadAllSettings() {
+	db, err := database.GetDB()
+	if err != nil {
+		logrus.WithError(err).Error("获取数据库连接失败")
+		return
+	}
+
+	var settings []models.Settings
+	if err := db.Find(&settings).Error; err != nil {
+		logrus.WithError(err).Error("加载设置失败")
+		return
+	}
+
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	for _, setting := range settings {
+		s.cache[setting.Name] = setting.Value
+	}
+
+	logrus.WithField("count", len(settings)).Info("设置缓存加载完成")
+}
+
+// GetString 获取字符串类型的设置值
+func (s *SettingsService) GetString(name, defaultValue string) string {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+
+	if value, exists := s.cache[name]; exists {
+		return value
+	}
+	return defaultValue
+}
+
+// GetInt 获取整数类型的设置值
+func (s *SettingsService) GetInt(name string, defaultValue int) int {
+	strValue := s.GetString(name, "")
+	if strValue == "" {
+		return defaultValue
+	}
+
+	if intValue, err := strconv.Atoi(strValue); err == nil {
+		return intValue
+	}
+	return defaultValue
+}
+
+// GetBool 获取布尔类型的设置值
+func (s *SettingsService) GetBool(name string, defaultValue bool) bool {
+	strValue := s.GetString(name, "")
+	if strValue == "" {
+		return defaultValue
+	}
+
+	return strValue == "1" || strValue == "true"
+}
+
+// RefreshCache 刷新设置缓存
+func (s *SettingsService) RefreshCache() {
+	s.loadAllSettings()
+}
+
+
+// GetSessionTimeout 获取会话超时时间（秒）
+func (s *SettingsService) GetSessionTimeout() int {
+	return s.GetInt("session_timeout", 3600) // 默认1小时
+}
+
+// IsMaintenanceMode 检查系统是否关闭
+func (s *SettingsService) IsMaintenanceMode() bool {
+	return s.GetBool("maintenance_mode", false)
+}