feat: implement advanced comment features including reply and like functionality

- Added support for nested comments with reply functionality.
- Implemented like/unlike feature for comments and posts.
- Enhanced comment DTO to include reply count, like count, and like status.
- Updated comment and like services to handle new functionalities.
- Created new API endpoints for toggling likes and listing comments.
- Improved UI components for comments to support replies and likes with animations.
- Added localization for new comment-related messages.
- Introduced a TODO list for future enhancements in the comment module.

internal/model/like.go

@@ -2,6 +2,7 @@ package model
 
 import (
 	"fmt"
+
 	"github.com/snowykami/neo-blog/pkg/constant"
 	"gorm.io/gorm"
 )
@@ -32,10 +33,10 @@ func (l *Like) AfterDelete(tx *gorm.DB) (err error) {
 	switch l.TargetType {
 	case constant.TargetTypePost:
 		return tx.Model(&Post{}).Where("id = ?", l.TargetID).
-			UpdateColumn("like_count", gorm.Expr("GREATEST(like_count - ?, 0)", 1)).Error
+			UpdateColumn("like_count", gorm.Expr("like_count - ?", 1)).Error
 	case constant.TargetTypeComment:
 		return tx.Model(&Comment{}).Where("id = ?", l.TargetID).
-			UpdateColumn("like_count", gorm.Expr("GREATEST(like_count - ?, 0)", 1)).Error
+			UpdateColumn("like_count", gorm.Expr("like_count - ?", 1)).Error
 	default:
 		return fmt.Errorf("不支持的目标类型: %s", l.TargetType)
 	}