/
like.go
54 lines (48 loc) · 1.19 KB
/
like.go
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package service
import (
"errors"
"github.com/ozline/tiktok/cmd/interaction/dal/cache"
"github.com/ozline/tiktok/cmd/interaction/dal/db"
"github.com/ozline/tiktok/kitex_gen/interaction"
"github.com/ozline/tiktok/pkg/errno"
"gorm.io/gorm"
)
func (s *InteractionService) Like(req *interaction.FavoriteActionRequest, userID int64) error {
exist, err := cache.IsVideoLikeExist(s.ctx, req.VideoId, userID)
if err != nil {
return err
}
if exist {
return errno.LikeAlreadyExistError
}
ok, _, err := cache.GetVideoLikeCount(s.ctx, req.VideoId)
if err != nil {
return err
}
if ok {
if err := cache.AddVideoLikeCount(s.ctx, req.VideoId, userID); err != nil {
return err
}
}
err = db.IsFavorited(s.ctx, userID, req.VideoId, 1)
if err == nil {
return errno.LikeAlreadyExistError
}
// write into mysql
err = db.IsFavoriteExist(s.ctx, userID, req.VideoId)
// no exist
if errors.Is(err, gorm.ErrRecordNotFound) {
fav := &db.Favorite{
VideoID: req.VideoId,
UserID: userID,
Status: 1,
}
return db.FavoriteCreate(s.ctx, fav)
}
// not gorm.ErrRecordNotFound error
if err != nil {
return err
}
// exist
return db.UpdateFavoriteStatus(s.ctx, userID, req.VideoId, 1)
}