实现service层

internal/app/service/monitor_service.go

@@ -24,6 +24,7 @@ type MonitorService interface {
 	ListPigSickLogs(opts repository.PigSickLogListOptions, page, pageSize int) ([]models.PigSickLog, int64, error)
 	ListPigPurchases(opts repository.PigPurchaseListOptions, page, pageSize int) ([]models.PigPurchase, int64, error)
 	ListPigSales(opts repository.PigSaleListOptions, page, pageSize int) ([]models.PigSale, int64, error)
+	ListNotifications(opts repository.NotificationListOptions, page, pageSize int) ([]models.Notification, int64, error)
 }
 
 // monitorService 是 MonitorService 接口的具体实现
@@ -40,6 +41,7 @@ type monitorService struct {
 	pigTransferLogRepo    repository.PigTransferLogRepository
 	pigSickLogRepo        repository.PigSickLogRepository
 	pigTradeRepo          repository.PigTradeRepository
+	notificationRepo      repository.NotificationRepository
 }
 
 // NewMonitorService 创建一个新的 MonitorService 实例
@@ -56,6 +58,7 @@ func NewMonitorService(
 	pigTransferLogRepo repository.PigTransferLogRepository,
 	pigSickLogRepo repository.PigSickLogRepository,
 	pigTradeRepo repository.PigTradeRepository,
+	notificationRepo repository.NotificationRepository,
 ) MonitorService {
 	return &monitorService{
 		sensorDataRepo:        sensorDataRepo,
@@ -70,6 +73,7 @@ func NewMonitorService(
 		pigTransferLogRepo:    pigTransferLogRepo,
 		pigSickLogRepo:        pigSickLogRepo,
 		pigTradeRepo:          pigTradeRepo,
+		notificationRepo:      notificationRepo,
 	}
 }
 
@@ -157,3 +161,8 @@ func (s *monitorService) ListPigPurchases(opts repository.PigPurchaseListOptions
 func (s *monitorService) ListPigSales(opts repository.PigSaleListOptions, page, pageSize int) ([]models.PigSale, int64, error) {
 	return s.pigTradeRepo.ListPigSales(opts, page, pageSize)
 }
+
+// ListNotifications 负责处理查询通知列表的业务逻辑
+func (s *monitorService) ListNotifications(opts repository.NotificationListOptions, page, pageSize int) ([]models.Notification, int64, error) {
+	return s.notificationRepo.List(opts, page, pageSize)
+}

internal/infra/repository/notification_repository.go

@@ -5,6 +5,7 @@ import (
 
 	"git.huangwc.com/pig/pig-farm-controller/internal/infra/models"
 	"git.huangwc.com/pig/pig-farm-controller/internal/infra/notify"
+	"go.uber.org/zap/zapcore"
 	"gorm.io/gorm"
 )
 
@@ -13,6 +14,7 @@ type NotificationListOptions struct {
 	UserID       *uint                // 按用户ID过滤
 	NotifierType *notify.NotifierType // 按通知器类型过滤
 	Status       *string              // 按通知状态过滤 (例如："success", "failed", "pending")
+	Level        *zapcore.Level       // 按通知等级过滤 (例如："info", "warning", "error")
 	StartTime    *time.Time           // 通知内容生成时间范围 - 开始时间 (对应 AlarmTimestamp)
 	EndTime      *time.Time           // 通知内容生成时间范围 - 结束时间 (对应 AlarmTimestamp)
 	OrderBy      string               // 排序字段，例如 "alarm_timestamp DESC"
@@ -79,6 +81,9 @@ func (r *gormNotificationRepository) List(opts NotificationListOptions, page, pa
 	if opts.Status != nil {
 		query = query.Where("status = ?", *opts.Status)
 	}
+	if opts.Level != nil {
+		query = query.Where("level = ?", opts.Level.String())
+	}
 	if opts.StartTime != nil {
 		query = query.Where("alarm_timestamp >= ?", *opts.StartTime)
 	}