修改投票和get逻辑
This commit is contained in:
JACKYMYPERSON
@@ -1,7 +1,6 @@
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package article
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import (
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"fmt"
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"net/http"
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"time"
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"toutoukan/init/databaseInit"
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@@ -10,10 +9,20 @@ import (
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"gorm.io/gorm"
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)
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// 投票请求结构体，同时支持单选(optionId)和多选(optionIds)
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type VoteArticleRequest struct {
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Uid string `json:"uid" binding:"required,min=1,max=50"` // 用户ID，非空且长度限制
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ArticleID int64 `json:"articleId" binding:"required,min=1"` // 文评ID，非空且为正整数
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OptionID int64 `json:"optionId" binding:"required,min=1"` // 选项ID，投票必需
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Uid string `json:"uid" binding:"required,min=1,max=50"` // 用户ID
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ArticleID int64 `json:"articleId" binding:"required,min=1"` // 文章ID
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OptionID int64 `json:"optionId" binding:"omitempty,min=1"` // 单个选项ID（单选时使用）
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OptionIDs []int64 `json:"optionIds" binding:"omitempty,dive,min=1"` // 多个选项ID（多选时使用）
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}
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// 用户投票记录表结构
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type UserVote struct {
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UserID string `gorm:"column:user_id"`
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VoteArticleID int64 `gorm:"column:vote_article_id"`
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OptionID int64 `gorm:"column:option_id"`
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VoteTime time.Time `gorm:"column:vote_time"`
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}
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func VoteArticle(c *gin.Context) {
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@@ -42,31 +51,11 @@ func VoteArticle(c *gin.Context) {
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}
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}()
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// 3. 检查用户是否已投票（防重复投票）
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var existingVote struct{ ID int64 }
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voteCheckErr := tx.Table("user_votes").
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Where("user_id = ? AND vote_article_id = ?", req.Uid, req.ArticleID).
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First(&existingVote).Error
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if voteCheckErr == nil {
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// 已存在投票记录
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tx.Rollback()
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c.JSON(http.StatusForbidden, gin.H{
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"error": "您已对该文评投过票，无法重复投票",
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})
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return
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} else if voteCheckErr != gorm.ErrRecordNotFound {
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// 其他查询错误
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tx.Rollback()
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c.JSON(http.StatusInternalServerError, gin.H{
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"error": "检查投票记录失败: " + voteCheckErr.Error(),
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})
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return
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}
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// 3. 检查文章状态和投票类型
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var articleStatus struct {
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IsEnded bool `gorm:"column:is_ended"`
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EndTime time.Time `gorm:"column:end_time"` // 新增：获取截止时间
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IsEnded bool `gorm:"column:is_ended"`
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EndTime time.Time `gorm:"column:end_time"`
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VoteType string `gorm:"column:vote_type"` // 投票类型：single-单选，multiple-多选
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}
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if err := tx.Table("article_list").
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Where("articleId = ?", req.ArticleID).
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@@ -80,70 +69,95 @@ func VoteArticle(c *gin.Context) {
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return
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}
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// 双重检查：已标记结束 或 已过截止时间，均禁止投票
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// 3.1 检查投票是否已结束
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now := time.Now()
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if articleStatus.IsEnded || articleStatus.EndTime.Before(now) {
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tx.Rollback()
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// 区分提示信息（可选，增强用户体验）
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var errMsg string
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if articleStatus.IsEnded {
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errMsg = "该文评投票已结束，无法投票"
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} else {
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errMsg = "该文评投票已过截止时间，无法投票"
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}
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c.JSON(http.StatusForbidden, gin.H{"error": errMsg})
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c.JSON(http.StatusForbidden, gin.H{"error": "该文评投票已结束或已过截止时间，无法投票"})
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return
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}
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// 额外优化：如果已过截止时间但is_ended未更新，主动更新状态（可选）
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if !articleStatus.IsEnded && articleStatus.EndTime.Before(now) {
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if err := tx.Table("article_list").
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Where("articleId = ?", req.ArticleID).
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Update("is_ended", true).Error; err != nil {
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// 此处不回滚，仅记录警告，不影响主要逻辑
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fmt.Printf("警告：更新过期文评状态失败，articleId=%d, err=%v\n", req.ArticleID, err)
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// 4. 处理投票选项，统一转换为选项ID列表
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var selectedOptions []int64
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if articleStatus.VoteType == "single" {
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if req.OptionID == 0 || len(req.OptionIDs) > 0 {
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tx.Rollback()
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c.JSON(http.StatusForbidden, gin.H{
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"error": "该文评为单选投票，请使用optionId提交单个选项",
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})
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return
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}
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selectedOptions = []int64{req.OptionID}
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} else {
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if len(req.OptionIDs) == 0 || req.OptionID != 0 {
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tx.Rollback()
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c.JSON(http.StatusForbidden, gin.H{
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"error": "该文评为多选投票，请使用optionIds提交多个选项",
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})
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return
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}
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selectedOptions = req.OptionIDs
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}
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// 5. 检查选项是否属于该文评
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var optionCheck struct{ ID int64 }
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if err := tx.Table("article_options").
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Where("id = ? AND vote_article_id = ?", req.OptionID, req.ArticleID).
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First(&optionCheck).Error; err != nil {
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// 5. 检查用户是否已投票
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var voteCount int64
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if err := tx.Table("user_votes").
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Where("user_id = ? AND vote_article_id = ?", req.Uid, req.ArticleID).
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Count(&voteCount).Error; err != nil {
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tx.Rollback()
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if err == gorm.ErrRecordNotFound {
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c.JSON(http.StatusNotFound, gin.H{"error": "选项不存在或不属于该文评"})
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} else {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "查询选项失败: " + err.Error()})
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}
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c.JSON(http.StatusInternalServerError, gin.H{"error": "检查投票记录失败: " + err.Error()})
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return
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}
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// 6. 执行投票事务（三表操作）
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// 6.1 记录用户投票记录
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if err := tx.Table("user_votes").Create(map[string]interface{}{
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"user_id": req.Uid,
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"vote_article_id": req.ArticleID,
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"option_id": req.OptionID,
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"vote_time": time.Now(),
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}).Error; err != nil {
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if voteCount > 0 {
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tx.Rollback()
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c.JSON(http.StatusInternalServerError, gin.H{"error": "记录投票失败: " + err.Error()})
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c.JSON(http.StatusForbidden, gin.H{"error": "您已对该文评投过票，无法重复投票"})
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return
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}
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// 6.2 更新选项票数
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// 6. 批量检查所有选项是否属于该文评
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var existingOptionsCount int64
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if err := tx.Table("article_options").
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Where("id = ?", req.OptionID).
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Where("vote_article_id = ? AND id IN ?", req.ArticleID, selectedOptions).
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Count(&existingOptionsCount).Error; err != nil {
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tx.Rollback()
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c.JSON(http.StatusInternalServerError, gin.H{"error": "查询选项失败: " + err.Error()})
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return
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}
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if existingOptionsCount != int64(len(selectedOptions)) {
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tx.Rollback()
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c.JSON(http.StatusNotFound, gin.H{"error": "部分选项ID不存在或不属于该文评"})
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return
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}
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// 7. 执行批量投票事务
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voteTime := time.Now()
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// 7.1 批量插入用户投票记录
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userVotes := make([]UserVote, len(selectedOptions))
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for i, optionID := range selectedOptions {
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userVotes[i] = UserVote{
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UserID: req.Uid,
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VoteArticleID: req.ArticleID,
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OptionID: optionID,
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VoteTime: voteTime,
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}
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}
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if err := tx.Table("user_votes").Create(&userVotes).Error; err != nil {
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tx.Rollback()
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c.JSON(http.StatusInternalServerError, gin.H{"error": "批量记录投票失败: " + err.Error()})
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return
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}
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// 7.2 批量更新选项票数
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if err := tx.Table("article_options").
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Where("id IN ?", selectedOptions).
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Update("option_votes_num", gorm.Expr("option_votes_num + 1")).Error; err != nil {
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tx.Rollback()
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c.JSON(http.StatusInternalServerError, gin.H{"error": "更新选项票数失败: " + err.Error()})
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c.JSON(http.StatusInternalServerError, gin.H{"error": "批量更新选项票数失败: " + err.Error()})
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return
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}
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// 6.3 更新文评总投票人数
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// 7.3 更新文评总投票人数
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if err := tx.Table("article_list").
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Where("articleId = ?", req.ArticleID).
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Update("total_voters_num", gorm.Expr("total_voters_num + 1")).Error; err != nil {
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@@ -152,21 +166,27 @@ func VoteArticle(c *gin.Context) {
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return
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}
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// 7. 提交事务
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// 8. 提交事务
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if err := tx.Commit().Error; err != nil {
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tx.Rollback()
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c.JSON(http.StatusInternalServerError, gin.H{"error": "提交投票失败: " + err.Error()})
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return
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}
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// 8. 返回成功响应
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// 9. 返回成功响应
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responseData := gin.H{
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"articleId": req.ArticleID,
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"voteTime": voteTime.Format("2006-01-02 15:04:05"),
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}
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if articleStatus.VoteType == "single" {
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responseData["optionId"] = req.OptionID
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} else {
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responseData["optionIds"] = req.OptionIDs
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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": "投票成功",
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"data": gin.H{
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"articleId": req.ArticleID,
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"optionId": req.OptionID,
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"voteTime": time.Now().Format("2006-01-02 15:04:05"),
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},
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"data": responseData,
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})
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}
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