package article

import (
	"git.echol.cn/loser/lckt/global"
	"git.echol.cn/loser/lckt/model/article"
	"git.echol.cn/loser/lckt/model/article/request"
)

type ArticleService struct{}

func (ArticleService) CreateArticle(req article.Article) (err error) {
	err = global.GVA_DB.Create(&req).Error
	return
}

func (ArticleService) DeleteArticle(ids request.DeleteIds) (err error) {
	err = global.GVA_DB.Delete(&article.Article{}, "id in ?", ids.Ids).Error
	return
}

func (ArticleService) UpdateArticle(req article.Article) (err error) {
	err = global.GVA_DB.Model(&article.Article{}).Where("id = ?", req.ID).Updates(&req).Error
	return
}
func (ArticleService) GetArticle(id string) (article article.Article, err error) {
	err = global.GVA_DB.Where("id = ?", id).First(&article).Error
	return
}

func (ArticleService) GetArticleList(pageInfo request.GetList) (list []article.Article, total int64, err error) {
	limit := pageInfo.PageSize
	offset := pageInfo.PageSize * (pageInfo.Page - 1)
	// 创建db
	db := global.GVA_DB.Model(&article.Article{})
	err = db.Count(&total).Error
	if err != nil {
		return
	}
	err = db.Limit(limit).Offset(offset).Find(&list).Error
	return
}