func UpdateNews(input *duoerlapi.NewsInput) (originInput *duoerlapi.NewsInput, err error) {
originInput = input
newsId, err := utils.ToObjectId(input.Id)
if err != nil {
utils.PrintStackAndError(err)
return
}
brandId, err := utils.ToObjectId(input.BrandId)
if err != nil {
utils.PrintStackAndError(err)
return
}
dbNews, err := news.FindById(newsId)
if err != nil {
utils.PrintStackAndError(err)
return
}
dbNews.BrandId = brandId
dbNews.Title = input.Title
dbNews.Content = input.Content
if err = dbNews.Save(); err != nil {
utils.PrintStackAndError(err)
return
}
return
}
func ShowNews(newsIdHex, userIdHex string) (apiNews *duoerlapi.News, err error) {
newsId, err := utils.ToObjectId(newsIdHex)
if err != nil {
utils.PrintStackAndError(err)
return
}
dbNews, err := news.FindById(newsId)
if err != nil {
utils.PrintStackAndError(err)
return
}
brand, err := brands.FindById(dbNews.BrandId)
if err != nil {
utils.PrintStackAndError(err)
return
}
author, err := users.FindById(dbNews.AuthorId)
if err != nil {
utils.PrintStackAndError(err)
return
}
apiNews = toApiNews(dbNews, brand, author)
return
}
func EditNews(user *users.User, newsIdHex string) (newsInput *duoerlapi.NewsInput, err error) {
newsId, err := utils.ToObjectId(newsIdHex)
if err != nil {
utils.PrintStackAndError(err)
return
}
dbNews, err := news.FindById(newsId)
if err != nil {
utils.PrintStackAndError(err)
return
}
if dbNews.AuthorId != user.Id {
err = global.PermissionDeniedError
return
}
newsInput = toNewsInput(dbNews)
return
}