feat(video): add likescount and updatelikescount

internal/video/like_service.go

@@ -7,11 +7,12 @@ import (
 )
 
 type LikeService struct {
-	repo *LikeRepository
+	repo      *LikeRepository
+	VideoRepo *VideoRepository
 }
 
-func NewLikeService(repo *LikeRepository) *LikeService {
-	return &LikeService{repo: repo}
+func NewLikeService(repo *LikeRepository, videoRepo *VideoRepository) *LikeService {
+	return &LikeService{repo: repo, VideoRepo: videoRepo}
 }
 
 func (s *LikeService) Like(ctx context.Context, like *Like) error {
@@ -19,14 +20,34 @@ func (s *LikeService) Like(ctx context.Context, like *Like) error {
 		return errors.New("user has liked this video")
 	}
 	like.CreatedAt = time.Now()
-	return s.repo.Like(ctx, like)
+	if err := s.repo.Like(ctx, like); err != nil {
+		return err
+	}
+	likesCount, err := s.GetLikesCount(ctx, like.VideoID)
+	if err != nil {
+		return err
+	}
+	if err := s.VideoRepo.UpdateLikesCount(ctx, like.VideoID, likesCount); err != nil {
+		return err
+	}
+	return nil
 }
 
 func (s *LikeService) Unlike(ctx context.Context, like *Like) error {
 	if isLiked, err := s.IsLiked(ctx, like.VideoID, like.AccountID); err == nil && !isLiked {
 		return errors.New("user has not liked this video")
 	}
-	return s.repo.Unlike(ctx, like)
+	if err := s.repo.Unlike(ctx, like); err != nil {
+		return err
+	}
+	likesCount, err := s.GetLikesCount(ctx, like.VideoID)
+	if err != nil {
+		return err
+	}
+	if err := s.VideoRepo.UpdateLikesCount(ctx, like.VideoID, likesCount); err != nil {
+		return err
+	}
+	return nil
 }
 
 func (s *LikeService) IsLiked(ctx context.Context, videoID, accountID uint) (bool, error) {