feat: hr save.

controllers/train.go

@@ -2,11 +2,80 @@ package controllers
 
 import (
 	"github.com/gin-gonic/gin"
+	"gorm.io/gorm"
+	"gorm.io/gorm/clause"
 	"hr_receiver/config"
 	"hr_receiver/models"
 	"net/http"
 )
 
+type TrainingController struct {
+	DB *gorm.DB
+}
+
+func NewTrainingController() *TrainingController {
+	return &TrainingController{DB: config.DB}
+}
+
+// 接收训练记录
+func (tc *TrainingController) CreateTrainingRecord(c *gin.Context) {
+	var record models.TrainRecord
+
+	// 绑定并验证JSON数据
+	if err := c.ShouldBindJSON(&record); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	// 使用事务保存数据[4](@ref)
+	err := tc.DB.Transaction(func(tx *gorm.DB) error {
+		// 保存主记录
+		if err := tx.Clauses(clause.OnConflict{
+			Columns: []clause.Column{{Name: "train_id"}}, // 指定冲突的列
+			DoUpdates: clause.Assignments(map[string]interface{}{
+				"max_heart_rate": record.MaxHeartRate,
+				"start_time":     record.StartTime,
+				"end_time":       record.EndTime,
+				"duration":       record.Duration,
+				"people_num":     record.PeopleNum,
+				"name":           record.Name,
+				"evaluation":     record.Evaluation,
+			}),
+		}).Omit("HeartRates", "belts").Create(&record).Error; err != nil {
+			return err
+		}
+
+		// 保存关联的心率数据
+		for i := range record.HeartRates {
+			if err := tx.Clauses(
+				clause.OnConflict{
+					Columns:   []clause.Column{{Name: "identifier"}}, // 指定冲突的列
+					DoUpdates: clause.Assignments(map[string]interface{}{"value": record.HeartRates[i].Value, "time": record.HeartRates[i].Time}),
+				},
+			).Create(&record.HeartRates[i]).Error; err != nil {
+
+				return err
+			}
+		}
+
+		//// 保存腰带关联关系
+		//if len(record.Belts) > 0 {
+		//	if err := tx.Model(&record).Association("Belts").Replace(record.Belts); err != nil {
+		//		return err
+		//	}
+		//}
+
+		return nil
+	})
+
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusCreated, record)
+}
+
 func ReceiveTrainingData(c *gin.Context) {
 	var data models.TrainingData
 

main.go

@@ -13,8 +13,9 @@ func main() {
 	// 连接数据库
 	config.ConnectDB()
 
+	config.DB.Debug()
 	// 自动迁移模型
-	config.DB.AutoMigrate(&models.TrainingData{})
+	config.DB.AutoMigrate(&models.TrainRecord{}, &models.TrainingData{}, &models.Belt{}, &models.HeartRate{})
 
 	// 启动服务
 	r := routes.SetupRouter()

models/training.go

@@ -9,3 +9,37 @@ type TrainingData struct {
 	Probability float64 `gorm:"type:decimal(5,4)" json:"probability"`
 	SessionID   string  `gorm:"index" json:"session_id"`
 }
+
+// 对应Flutter的Belt结构
+type Belt struct {
+	gorm.Model
+	Addr string `gorm:"uniqueIndex;size:255" json:"addr"` // 对应Dart的addr字段[6](@ref)
+	BID  uint   `gorm:"column:bid" json:"bid"`            // 对应Dart的bid字段
+	Name string `gorm:"size:100" json:"name"`
+}
+
+// 对应Flutter的HeartRate结构
+type HeartRate struct {
+	gorm.Model
+	TrainId    uint   `gorm:"column:train_id; index" json:"trainId"`     // 外键关联训练记录[4](@ref)
+	BeltId     uint   `gorm:"column:belt_id;index" json:"bid"`           // 对应Dart的bid字段
+	BeltAddr   string `gorm:"column:belt_addr;size:255" json:"beltAddr"` // 对应Dart的beltAddr字段
+	Time       int64  `gorm:"type:bigint" json:"time"`                   // 保持与前端一致的毫秒时间戳[3](@ref)
+	Value      int    `gorm:"type:int" json:"value"`
+	Identifier string `gorm:"uniqueIndex;type:varchar(255)" json:"identifier"`
+}
+
+// 对应Flutter的TrainRecord结构
+type TrainRecord struct {
+	gorm.Model
+	TrainId      uint        `gorm:"uniqueIndex" json:"tid"`     // 对应Dart的tid字段
+	StartTime    int64       `gorm:"type:bigint" json:"time"`    // 开始时间戳
+	EndTime      int64       `gorm:"type:bigint" json:"endTime"` // 结束时间戳[3](@ref)
+	Name         string      `gorm:"size:100" json:"name"`
+	MaxHeartRate int         `gorm:"type:int" json:"maxHeartRate"`
+	Duration     int         `gorm:"type:int" json:"duration"` // 持续时间(秒)
+	PeopleNum    int         `gorm:"type:int" json:"peopleNum"`
+	Evaluation   string      `gorm:"size:50" json:"evaluation"`
+	Belts        []Belt      `gorm:"many2many:train_record_belts;" json:"belts"` // 多对多关联[4](@ref)
+	HeartRates   []HeartRate `gorm:"foreignKey:TrainId;references:TrainId" json:"heart_rates"`
+}

routes/routes.go

@@ -7,11 +7,15 @@ import (
 
 func SetupRouter() *gin.Engine {
 	r := gin.Default()
+	trainingController := controllers.NewTrainingController()
 
-	api := r.Group("/api/v1")
+	v1 := r.Group("/api/v1")
 	{
-		api.POST("/training", controllers.ReceiveTrainingData)
+		records := v1.Group("/train-records")
+		{
+			records.POST("", trainingController.CreateTrainingRecord)
+			// 可扩展其他路由：GET, PUT, DELETE等
+		}
 	}
-
 	return r
 }