调整 ReleaseFeedWeightTask
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@@ -95,7 +95,7 @@ func (r *ReleaseFeedWeightTask) Execute() error {
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// 获取当前搅拌罐重量
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func (r *ReleaseFeedWeightTask) getNowWeight() (float64, error) {
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sensorData, err := r.sensorDataRepo.GetLatestSensorDataByDeviceIDAndSensorType(r.mixingTankDeviceID, models.SensorDataTypeWeight)
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sensorData, err := r.sensorDataRepo.GetLatestSensorDataByDeviceIDAndSensorType(r.mixingTankDeviceID, models.SensorTypeWeight)
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if err != nil {
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r.logger.Errorf("获取设备 %v 最新传感器数据失败: %v , 日志ID: %v", r.mixingTankDeviceID, err, r.claimedLog.ID)
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return 0, err
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@@ -58,8 +58,8 @@ type SensorData struct {
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// RegionalControllerID 是上报此数据的区域主控的ID。
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RegionalControllerID uint `json:"regional_controller_id"`
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// SensorDataType 是传感数据的类型
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SensorDataType SensorType `gorm:"not null;index" json:"sensor_data_type"`
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// SensorType 是传感数据的类型
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SensorType SensorType `gorm:"not null;index" json:"sensor_type"`
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// Data 存储一个或多个传感器读数,格式为 JSON。
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Data datatypes.JSON `gorm:"type:jsonb" json:"data"`
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@@ -10,7 +10,7 @@ import (
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// SensorDataRepository 定义了与传感器数据相关的数据库操作接口。
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type SensorDataRepository interface {
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Create(sensorData *models.SensorData) error
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GetLatestSensorDataByDeviceIDAndSensorType(deviceID uint, sensorType models.SensorDataType) (*models.SensorData, error)
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GetLatestSensorDataByDeviceIDAndSensorType(deviceID uint, sensorType models.SensorType) (*models.SensorData, error)
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}
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// gormSensorDataRepository 是 SensorDataRepository 的 GORM 实现。
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@@ -30,10 +30,10 @@ func (r *gormSensorDataRepository) Create(sensorData *models.SensorData) error {
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}
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// GetLatestSensorDataByDeviceIDAndSensorType 根据设备ID和传感器类型查询最新的传感器数据。
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func (r *gormSensorDataRepository) GetLatestSensorDataByDeviceIDAndSensorType(deviceID uint, sensorDataType models.SensorDataType) (*models.SensorData, error) {
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func (r *gormSensorDataRepository) GetLatestSensorDataByDeviceIDAndSensorType(deviceID uint, sensorType models.SensorType) (*models.SensorData, error) {
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var sensorData models.SensorData
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// 增加一个时间范围来缩小查询范围, 从而加快查找速度, 当使用时序数据库时时间范围可以让数据库忽略时间靠前的分片
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err := r.db.Where("device_id = ? AND sensor_data_type = ? AND time >=?", deviceID, sensorDataType, time.Now().Add(-24*time.Hour)).
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err := r.db.Where("device_id = ? AND sensor_type = ? AND time >=?", deviceID, sensorType, time.Now().Add(-24*time.Hour)).
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Order("time DESC").
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First(&sensorData).Error
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return &sensorData, err
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