feat:添加热榜功能并添加了增加热度的方法。

backend/internal/video/comment_handler.go

@@ -10,10 +10,11 @@ import (
 type CommentHandler struct {
 	service        *CommentService
 	accountService *account.AccountService
+	videoService   *VideoService
 }
 
-func NewCommentHandler(service *CommentService, accountService *account.AccountService) *CommentHandler {
-	return &CommentHandler{service: service, accountService: accountService}
+func NewCommentHandler(service *CommentService, accountService *account.AccountService, videoService *VideoService) *CommentHandler {
+	return &CommentHandler{service: service, accountService: accountService, videoService: videoService}
 }
 func (h *CommentHandler) PublishComment(c *gin.Context) {
 	var req PublishCommentRequest
@@ -49,6 +50,10 @@ func (h *CommentHandler) PublishComment(c *gin.Context) {
 		c.JSON(400, gin.H{"error": err.Error()})
 		return
 	}
+	if err := h.videoService.UpdatePopularity(c.Request.Context(), req.VideoID, 1); err != nil {
+		c.JSON(500, gin.H{"error": err.Error()})
+		return
+	}
 	c.JSON(200, gin.H{"message": "comment published successfully"})
 }
 
@@ -71,6 +76,7 @@ func (h *CommentHandler) DeleteComment(c *gin.Context) {
 		c.JSON(400, gin.H{"error": err.Error()})
 		return
 	}
+
 	c.JSON(200, gin.H{"message": "comment deleted successfully"})
 }