func SaveArticle(article *entities.Article) error {
var err error
db := db.NewDB()
db.Begin()
bBuffer := bytes.NewBufferString("insert into article (user_id,title, tags,categories, content, created_at) ")
bBuffer.WriteString("values(?,?,?,?,?,now())")
_, err = db.Raw(bBuffer.String(), []interface{}{article.UserId, article.Title, article.Tags, article.Categories, article.Content}).Exec()
if nil == err {
var categories []entities.Category
if len(article.Categories) > 0 {
categoryNames := strings.Split(article.Categories, ",")
categories = entities.NewCategories(article.UserId, categoryNames)
}
BatchSaveOrUpdateCategory(db, categories)
}
if nil == err {
db.Commit()
} else {
db.Rollback()
}
return err
}
func UpdateArticle(article *entities.Article) error {
var err error
db := db.NewDB()
db.Begin()
sql := "update article set title = ? ,tags=?,categories=?, content=?, updated_at=now() where user_id = ? and id = ? "
_, err = db.Raw(sql, []interface{}{article.Title, article.Tags, article.Categories, article.Content, article.UserId, article.Id}).Exec()
if nil == err {
var categories []entities.Category
if len(article.Categories) > 0 {
categoryNames := strings.Split(article.Categories, ",")
categories = entities.NewCategories(article.UserId, categoryNames)
}
BatchSaveOrUpdateCategory(db, categories)
}
if nil == err {
db.Commit()
} else {
db.Rollback()
}
return err
}
func ArticleLikeLogs(userId int64, articleIds interface{}) []int64 {
var signs []int64
articleIdStr := utils.SliceToString(articleIds, ",")
sql := "select article_id from article_like where user_id = ? and valid=1 and article_id in (" + articleIdStr + ") "
db := db.NewDB()
db.Raw(sql, userId).QueryRows(&signs)
return signs
}
func TopLikeArticles() []entities.Article {
var articles []entities.Article
sql := "select id,user_id,title from article where like_count >0 and created_at > date_sub(now(),interval ? DAY) order by like_count desc limit 10"
dayRange := ParameterIntValue("like_article_day_range")
db := db.NewDB()
db.Raw(sql, []interface{}{dayRange}).QueryRows(&articles)
return articles
}