🎨 新增获取已购课程接口&

service/article/article.go

@@ -141,3 +141,36 @@ func (s ArticleService) GetMyArticleList(req request.GetList) (list []article.Ar
 	err = db.Limit(limit).Offset(offset).Find(&list).Error
 	return list, total, err
 }
+
+func (s ArticleService) GetBuyList(p request.GetList) (articles []article.Article, total int64, err error) {
+	buyIds := make([]int, 0)
+	// 获取用户购买的文章ID列表
+	err = global.GVA_DB.Model(&app.Order{}).Where("user_id = ? AND status = 2", p.UserId).Select("article_id").Find(&buyIds).Error
+	if err != nil {
+		global.GVA_LOG.Error("查询用户购买记录失败", zap.Error(err))
+		return nil, 0, err
+	}
+
+	if len(buyIds) == 0 {
+		// 如果没有购买记录，直接返回空列表
+		return []article.Article{}, 0, nil
+	}
+
+	db := global.GVA_DB.Model(&article.Article{}).Where("id IN ?", buyIds)
+	if p.Title != "" {
+		db = db.Where("title LIKE ?", "%"+p.Title+"%")
+	}
+
+	err = db.Count(&total).Error
+	if err != nil {
+		global.GVA_LOG.Error("查询购买文章总数失败", zap.Error(err))
+		return nil, 0, err
+	}
+
+	err = db.Limit(p.PageSize).Offset(p.PageSize * (p.Page - 1)).Find(&articles).Error
+	if err != nil {
+		global.GVA_LOG.Error("查询购买文章列表失败", zap.Error(err))
+		return nil, 0, err
+	}
+	return articles, total, nil
+}