refactor: Optimize code structure

app/comment/service/internal/biz/comment.go

@@ -97,15 +97,15 @@ func (uc *CommentUseCase) GetCommentList(
 func (uc *CommentUseCase) CommentAction(
 	ctx context.Context, videoId, commentId uint32,
 	actionType uint32, commentText string,
-) (c *Comment, err error) {
+) (*Comment, error) {
 	userId := ctx.Value(middleware.UserIdKey("user_id")).(uint32)
 	switch actionType {
 	case CreateType:
 		if commentText == "" {
 			return nil, ErrCommentTextEmpty
 		}
 		createTime := time.Now().Format("01-02")
-		c, err = uc.repo.CreateComment(ctx, videoId, commentText, createTime)
+		c, err := uc.repo.CreateComment(ctx, videoId, commentText, createTime)
 		if err != nil {
 			uc.log.Errorf("CreateComment err: %v", err)
 			return nil, err
@@ -116,17 +116,17 @@ func (uc *CommentUseCase) CommentAction(
 			return nil, err
 		}
 		c.User = users[0]
-		return
+		return c, nil
 	case DeleteType:
 		if commentId == 0 {
 			return nil, ErrInvalidId
 		}
-		err = uc.repo.DeleteComment(ctx, videoId, commentId)
+		err := uc.repo.DeleteComment(ctx, videoId, commentId)
 		if err != nil {
 			uc.log.Errorf("DeleteComment err: %v", err)
 			return nil, err
 		}
-		return
+		return nil, nil
 	default:
 		return nil, errorX.ErrInValidActionType
 	}

app/comment/service/internal/data/data.go

@@ -4,12 +4,13 @@ import (
 	"context"
 	"sync"
 
+	"github.com/go-redis/redis/v8"
+
 	"github.com/segmentio/kafka-go"
 
 	"github.com/toomanysource/atreus/app/comment/service/internal/conf"
 
 	"github.com/go-kratos/kratos/v2/log"
-	"github.com/go-redis/redis/v8"
 	"github.com/google/wire"
 	"gorm.io/driver/mysql"
 	"gorm.io/gorm"