feat: query.

controllers/step_train.go

@@ -1,12 +1,15 @@
 package controllers
 
 import (
+	"errors"
 	"github.com/gin-gonic/gin"
 	"gorm.io/gorm"
 	"gorm.io/gorm/clause"
 	"hr_receiver/config"
 	"hr_receiver/models"
+	"math"
 	"net/http"
+	"strconv"
 )
 
 type StepTrainingController struct {
@@ -82,3 +85,105 @@ func (tc *StepTrainingController) CreateTrainingRecord(c *gin.Context) {
 		"id":      record.TrainId,
 	})
 }
+
+func (tc *StepTrainingController) GetTrainingRecords(c *gin.Context) {
+	// 定义分页参数结构
+	type PaginationParams struct {
+		PageNum  int `form:"pageNum,default=1"`   // 页码，默认第一页
+		PageSize int `form:"pageSize,default=10"` // 每页数量，默认10条
+	}
+
+	var params PaginationParams
+	if err := c.ShouldBindQuery(&params); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	// 验证分页参数有效性
+	if params.PageNum < 1 {
+		params.PageNum = 1
+	}
+	if params.PageSize < 1 || params.PageSize > 100 {
+		params.PageSize = 10
+	}
+
+	// 计算偏移量
+	offset := (params.PageNum - 1) * params.PageSize
+
+	var (
+		records   []models.StepTrainRecord
+		totalRows int64
+	)
+
+	// 获取总记录数
+	if err := tc.DB.Model(&models.StepTrainRecord{}).Count(&totalRows).Error; err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "获取记录总数失败"})
+		return
+	}
+
+	// 查询分页数据（按开始时间倒序排列）
+	result := tc.DB.
+		Order("start_time DESC"). // 按开始时间倒序
+		Offset(offset).
+		Limit(params.PageSize).
+		Find(&records)
+
+	if result.Error != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": result.Error.Error()})
+		return
+	}
+
+	// 计算总页数
+	totalPages := int(math.Ceil(float64(totalRows) / float64(params.PageSize)))
+
+	c.JSON(http.StatusOK, gin.H{
+		"message": "查询成功",
+		"data": gin.H{
+			"list": records,
+			"pagination": gin.H{
+				"currentPage": params.PageNum,
+				"pageSize":    params.PageSize,
+				"totalPage":   totalPages,
+				"totalList":   totalRows,
+			},
+		},
+	})
+}
+func (tc *StepTrainingController) GetTrainingRecordByTrainId(c *gin.Context) {
+	// 从URL路径参数获取trainId
+	trainId := c.Param("trainId")
+	if trainId == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "训练ID不能为空"})
+		return
+	}
+
+	// 将字符串trainId转换为uint类型
+	tid, err := strconv.ParseInt(trainId, 10, 64)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "无效的训练ID格式"})
+		return
+	}
+
+	var record models.StepTrainRecord
+
+	// 查询主记录并预加载关联的心率和步频数据
+	result := tc.DB.Where("train_id = ?", uint(tid)).
+		Preload("HeartRates").
+		Preload("StrideFreqs").
+		First(&record)
+
+	if result.Error != nil {
+		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
+			c.JSON(http.StatusNotFound, gin.H{"error": "训练记录不存在"})
+		} else {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": result.Error.Error()})
+		}
+		return
+	}
+
+	// 成功返回数据
+	c.JSON(http.StatusOK, gin.H{
+		"message": "查询成功",
+		"data":    record,
+	})
+}