egg_im/internal/logic/domain/group/repo/group_notice_dao.go

package repo

import (
	"egg-im/internal/logic/domain/group/model"
	"egg-im/pkg/db"
	"egg-im/pkg/gerrors"

	"github.com/jinzhu/gorm"
)

type groupNoticeDao struct{}

var GroupNoticeDao = new(groupNoticeDao)

// Get 获取群组公告信息
func (*groupNoticeDao) Get(groupId int64) (*model.GroupNotice, error) {
	var group = model.GroupNotice{GroupId: groupId}
	err := db.DB.First(&group).Error
	if err != nil && err != gorm.ErrRecordNotFound {
		return nil, gerrors.WrapError(err)
	}
	if err == gorm.ErrRecordNotFound {
		return nil, nil
	}
	return &group, nil
}

// Save 插入一条群组
func (g *groupNoticeDao) Save(groupNotice *model.GroupNotice, isPublish bool) error {
	mm, err := g.Get(groupNotice.GroupId)
	if err != nil {
		return err
	}
	if mm != nil && isPublish {
		mm.Content = groupNotice.Content
		mm.LikeNums = 0
		mm.ReadNums = 0
		mm.PublishType = groupNotice.PublishType
		mm.UpdateTime = groupNotice.UpdateTime

		//清除群组点赞记录
		err = GroupNoticeWithLikeRecordsDao.Clean(groupNotice.GroupId)
		if err != nil {
			return err
		}
		err = db.DB.Save(&mm).Error
		if err != nil {
			return gerrors.WrapError(err)
		}
		//删除缓存
		GroupNoticeCache.Del(groupNotice.GroupId)
	} else {
		err = db.DB.Save(&groupNotice).Error
		if err != nil {
			return gerrors.WrapError(err)
		}
	}
	return nil
}