perf: 提升后端高并发承载能力

backend/internal/api/room.go

@@ -6,15 +6,14 @@ import (
 	"github.com/gin-gonic/gin"
 
 	"hightube/internal/db"
-	"hightube/internal/model"
 )
 
 // GetMyRoom returns the room details for the currently authenticated user
 func GetMyRoom(c *gin.Context) {
 	userID, _ := c.Get("user_id")
 
-	var room model.Room
-	if err := db.DB.Where("user_id = ?", userID).First(&room).Error; err != nil {
+	room, err := db.LoadRoomByUserID(userID.(uint))
+	if err != nil {
 		c.JSON(http.StatusNotFound, gin.H{"error": "Room not found"})
 		return
 	}
@@ -29,9 +28,8 @@ func GetMyRoom(c *gin.Context) {
 
 // GetActiveRooms returns a list of all currently active live rooms
 func GetActiveRooms(c *gin.Context) {
-	var rooms []model.Room
-	// Fetch rooms where is_active is true
-	if err := db.DB.Where("is_active = ?", true).Find(&rooms).Error; err != nil {
+	rooms, err := db.ListActiveRooms()
+	if err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": "Failed to fetch active rooms"})
 		return
 	}