58 lines
1.2 KiB
Go
58 lines
1.2 KiB
Go
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package user
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import (
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"database/sql"
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"net/http"
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"toutoukan/init/databaseInit"
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"github.com/gin-gonic/gin"
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)
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// UserReq 定义了请求中用户ID的结构体
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type UserReq struct {
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Uid string `json:"uid" binding:"required,min=1,max=50"`
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}
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func GetScore(c *gin.Context) {
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var req UserReq
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// 1. 解析并验证请求参数
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{
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"error": "参数解析失败",
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"detail": err.Error(),
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})
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return
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}
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// 2. 根据 user_id 查询用户总积分
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// 使用 sql.NullInt64 来处理 SUM 函数可能返回 NULL 的情况
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var totalPoints sql.NullInt64
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if err := databaseInit.UserDB.Table("user_points").
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Where("user_id = ?", req.Uid).
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Select("SUM(points_change)").
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Scan(&totalPoints).Error; err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{
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"error": "查询用户积分失败: " + err.Error(),
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})
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return
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}
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// 3. 返回查询结果
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// 检查 totalPoints 是否为 NULL，如果是则返回 0
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finalPoints := 0
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if totalPoints.Valid {
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finalPoints = int(totalPoints.Int64)
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}
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c.JSON(http.StatusOK, gin.H{
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"success": true,
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"message": "查询成功",
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"data": gin.H{
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"user_id": req.Uid,
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"total_points": finalPoints,
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},
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})
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}
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