Blizzard
85 lines
2.4 KiB
Go
85 lines
2.4 KiB
Go
package plant
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import (
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"errors"
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"sundynix-go/global"
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common "sundynix-go/model/commom/request"
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"sundynix-go/model/plant"
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plantReq "sundynix-go/model/plant/request"
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"sundynix-go/model/system"
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"gorm.io/gorm"
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)
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type WikiClassService struct{}
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var WikiClassServiceApp = new(WikiClassService)
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// AddClass 添加分类
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func (s *WikiClassService) AddClass(req plantReq.CreateWikiClass) error {
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//1.查询name是否存在 2.查询oss是否存在
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if !errors.Is(global.DB.Where("name = ?", req.Name).First(&plant.WikiClass{}).Error, gorm.ErrRecordNotFound) {
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return errors.New("存在重复分类名称，请修改名称")
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}
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if errors.Is(global.DB.Where("id = ?", req.OssId).First(&system.Oss{}).Error, gorm.ErrRecordNotFound) {
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return errors.New("不存在此图片")
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}
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return global.DB.Create(&plant.WikiClass{
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Name: req.Name,
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OssId: req.OssId,
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}).Error
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}
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// UpdateClass 修改分类
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func (s *WikiClassService) UpdateClass(req plantReq.UpdateWikiClass) error {
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updateMap := map[string]interface{}{
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"name": req.Name,
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"oss": req.OssId,
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}
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return global.DB.Model(&plant.WikiClass{}).Where("id = ?", req.Id).Updates(updateMap).Error
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}
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func (s *WikiClassService) ClassPage(req common.PageInfo) (list interface{}, total int64, err error) {
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limit := req.PageSize
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offset := req.PageSize * (req.Current - 1)
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db := global.DB.Model(&plant.WikiClass{}).Preload("Oss")
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var classes []*plant.WikiClass
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err = db.Count(&total).Error
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if err != nil {
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return
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}
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err = db.Limit(limit).Offset(offset).Order("created_at desc").Find(&classes).Error
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return classes, total, err
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}
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// DeleteClass 删除分类
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func (s *WikiClassService) DeleteClass(req common.IdsReq) error {
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var classes []plant.WikiClass
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if err := global.DB.Where("id in ?", req.Ids).Find(&classes).Error; err != nil {
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return err
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}
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// todo 删除关联?
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return global.DB.Unscoped().Delete(&classes).Error
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}
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// ClassList 列表
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func (s *WikiClassService) ClassList() (list interface{}, err error) {
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var classes []plant.WikiClass
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err = global.DB.Order("created_at desc").Find(&classes).Error
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if err != nil {
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return
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}
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return classes, err
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}
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// Detail 详情
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func (s *WikiClassService) Detail(id string) (c plant.WikiClass, err error) {
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var class plant.WikiClass
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err = global.DB.Where("id = ?", id).Preload("Oss").First(&class).Error
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//不存在的时候不要返回错误，而是返回nil
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if err != nil {
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return class, err
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}
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return class, nil
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}
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