func (as *ArticleService) Read(v interface{}) (*Result, error) {
opt, ok := v.(ArticleReadOption)
if !ok {
return nil, ErrServiceFuncNeedType(as.Read, opt)
}
whereStr, whereArgs := opt.toWhereString()
a := new(model.Article)
if _, err := core.Db.Where(whereStr, whereArgs...).Get(a); err != nil {
return nil, err
}
if a.Id == 0 {
return nil, ErrArticleNotFound
}
if opt.IsPublish && !a.IsPublish() {
return nil, ErrArticleNotFound
}
if opt.IsHit {
if _, err := core.Db.Exec("UPDATE article SET hits = hits + 1 WHERE id = ?", a.Id); err != nil {
return nil, err
}
}
return newResult(as.Read, a), nil
}
