Files
toutoukan/controllers/article/createarticle.go

138 lines
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2025-09-24 01:07:21 +08:00
package article
import (
"net/http"
"time"
"toutoukan/init/databaseInit"
"github.com/gin-gonic/gin"
)
// OptionItem 选项子结构
type OptionItem struct {
Content string `json:"content" binding:"required,min=1,max=200"` // 选项内容
SortOrder int `json:"sort_order" binding:"required,min=0"` // 排序值
}
// CreateArticleRequest 创建文章的请求参数结构
type CreateArticleRequest struct {
PublishUserID string `json:"publish_user_id" binding:"required,min=1,max=40"`
Title string `json:"title" binding:"required,min=1,max=255"`
VoteType string `json:"vote_type" binding:"required,min=1,max=60"`
EndTime time.Time `json:"end_time" binding:"required"`
Options []OptionItem `json:"options" binding:"required,min=1,max=3"`
}
// 数据库文章记录结构体(与表结构完全对应)
type ArticleList struct {
ArticleID int64 `gorm:"column:articleId;primaryKey;autoIncrement"` // 明确主键和自增
PublishUserID string `gorm:"column:publish_user_id"`
Title string `gorm:"column:title"`
VoteType string `gorm:"column:vote_type"`
EndTime time.Time `gorm:"column:end_time"`
IsEnded bool `gorm:"column:is_ended"`
TotalVotersNum int `gorm:"column:total_voters_num"`
CreateTime time.Time `gorm:"column:create_time"`
}
// 自定义表名(如果结构体名与表名不一致)
func (ArticleList) TableName() string {
return "article_list"
}
// CreateArticle 创建文章(包含选项)
func CreateArticle(c *gin.Context) {
var req CreateArticleRequest
if err := c.ShouldBindJSON(&req); err != nil {
c.JSON(http.StatusBadRequest, gin.H{
"error": "参数解析失败",
"detail": err.Error(),
})
return
}
tx := databaseInit.UserDB.Begin()
if tx.Error != nil {
c.JSON(http.StatusInternalServerError, gin.H{"error": "开启事务失败: " + tx.Error.Error()})
return
}
defer func() {
if r := recover(); r != nil {
tx.Rollback()
}
}()
// 1. 创建文章主记录
newArticle := ArticleList{
PublishUserID: req.PublishUserID,
Title: req.Title,
VoteType: req.VoteType,
EndTime: req.EndTime,
IsEnded: false,
TotalVotersNum: 0,
CreateTime: time.Now(),
}
// 插入文章并获取ID使用GORM的Create方法自动填充自增ID
if err := tx.Create(&newArticle).Error; err != nil {
tx.Rollback()
c.JSON(http.StatusInternalServerError, gin.H{"error": "创建文章失败: " + err.Error()})
return
}
// 验证文章ID是否有效必须大于0
if newArticle.ArticleID <= 0 {
tx.Rollback()
c.JSON(http.StatusInternalServerError, gin.H{"error": "无法获取文章ID创建失败"})
return
}
// 2. 批量创建选项确保vote_article_id正确关联
var options []map[string]interface{}
for _, opt := range req.Options {
options = append(options, map[string]interface{}{
"vote_article_id": newArticle.ArticleID, // 使用刚创建的文章ID
"option_content": opt.Content,
"option_votes_num": 0,
"sort_order": opt.SortOrder,
})
}
// 插入选项前先验证文章ID是否存在额外保险
var count int64
if err := tx.Model(&ArticleList{}).Where("articleId = ?", newArticle.ArticleID).Count(&count).Error; err != nil {
tx.Rollback()
c.JSON(http.StatusInternalServerError, gin.H{"error": "验证文章ID失败: " + err.Error()})
return
}
if count == 0 {
tx.Rollback()
c.JSON(http.StatusInternalServerError, gin.H{"error": "文章ID不存在外键约束失败"})
return
}
// 批量插入选项
if err := tx.Table("article_options").CreateInBatches(options, len(options)).Error; err != nil {
tx.Rollback()
c.JSON(http.StatusInternalServerError, gin.H{"error": "创建选项失败: " + err.Error()})
return
}
// 提交事务
if err := tx.Commit().Error; err != nil {
tx.Rollback()
c.JSON(http.StatusInternalServerError, gin.H{"error": "提交数据失败: " + err.Error()})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "文章及选项创建成功",
"data": gin.H{
"article_id": newArticle.ArticleID,
"option_count": len(req.Options),
},
})
}