fix: 修复构建配置和运行时错误处理

backend/internal/video/chunk_handler.go

@@ -3,6 +3,7 @@ package video
 import (
 	"crypto/md5"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"net/http"
@@ -18,6 +19,8 @@ import (
 
 const sessionTTL = 24 * time.Hour
 
+var errChunkCacheUnavailable = errors.New("chunk upload requires redis")
+
 type ChunkUploadHandler struct {
 	cache *rediscache.Client
 }
@@ -35,6 +38,9 @@ func (h *ChunkUploadHandler) hashKey(accountID uint, fileHash string) string {
 }
 
 func (h *ChunkUploadHandler) getSession(ctx *gin.Context, uploadID string) (*ChunkUploadSession, error) {
+	if h.cache == nil {
+		return nil, errChunkCacheUnavailable
+	}
 	b, err := h.cache.GetBytes(ctx.Request.Context(), h.sessionKey(uploadID))
 	if err != nil {
 		return nil, fmt.Errorf("upload session not found")
@@ -47,6 +53,9 @@ func (h *ChunkUploadHandler) getSession(ctx *gin.Context, uploadID string) (*Chu
 }
 
 func (h *ChunkUploadHandler) saveSession(ctx *gin.Context, s *ChunkUploadSession) error {
+	if h.cache == nil {
+		return errChunkCacheUnavailable
+	}
 	b, err := json.Marshal(s)
 	if err != nil {
 		return err
@@ -55,6 +64,11 @@ func (h *ChunkUploadHandler) saveSession(ctx *gin.Context, s *ChunkUploadSession
 }
 
 func (h *ChunkUploadHandler) InitChunkUpload(c *gin.Context) {
+	if h.cache == nil {
+		c.JSON(http.StatusServiceUnavailable, gin.H{"error": errChunkCacheUnavailable.Error()})
+		return
+	}
+
 	var req InitChunkUploadRequest
 	if err := c.ShouldBindJSON(&req); err != nil {
 		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
@@ -120,6 +134,11 @@ func (h *ChunkUploadHandler) InitChunkUpload(c *gin.Context) {
 }
 
 func (h *ChunkUploadHandler) UploadChunk(c *gin.Context) {
+	if h.cache == nil {
+		c.JSON(http.StatusServiceUnavailable, gin.H{"error": errChunkCacheUnavailable.Error()})
+		return
+	}
+
 	var req UploadChunkRequest
 	if err := c.ShouldBind(&req); err != nil {
 		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
@@ -211,6 +230,11 @@ func (h *ChunkUploadHandler) UploadChunk(c *gin.Context) {
 }
 
 func (h *ChunkUploadHandler) ChunkStatus(c *gin.Context) {
+	if h.cache == nil {
+		c.JSON(http.StatusServiceUnavailable, gin.H{"error": errChunkCacheUnavailable.Error()})
+		return
+	}
+
 	var req ChunkStatusRequest
 	if err := c.ShouldBindJSON(&req); err != nil {
 		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
@@ -241,6 +265,11 @@ func (h *ChunkUploadHandler) ChunkStatus(c *gin.Context) {
 }
 
 func (h *ChunkUploadHandler) CompleteChunkUpload(c *gin.Context) {
+	if h.cache == nil {
+		c.JSON(http.StatusServiceUnavailable, gin.H{"error": errChunkCacheUnavailable.Error()})
+		return
+	}
+
 	var req CompleteChunkUploadRequest
 	if err := c.ShouldBindJSON(&req); err != nil {
 		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
@@ -328,11 +357,11 @@ func (h *ChunkUploadHandler) CompleteChunkUpload(c *gin.Context) {
 	finalFile.Close()
 
 	// Clean up temp chunks
-	os.RemoveAll(tmpDir)
+	_ = os.RemoveAll(tmpDir)
 
 	// Clean up Redis session
-	h.cache.Del(c.Request.Context(), h.sessionKey(req.UploadID))
-	h.cache.Del(c.Request.Context(), h.hashKey(accountID, session.FileHash))
+	_ = h.cache.Del(c.Request.Context(), h.sessionKey(req.UploadID))
+	_ = h.cache.Del(c.Request.Context(), h.hashKey(accountID, session.FileHash))
 
 	urlPath := fmt.Sprintf("/static/videos/%d/%s/%s.mp4", accountID, date, filename)
 	playURL := buildAbsoluteURL(c, urlPath)

backend/internal/video/comment_service.go

@@ -6,6 +6,7 @@ import (
 	"feedsystem_video_go/internal/apierror"
 	"feedsystem_video_go/internal/middleware/rabbitmq"
 	rediscache "feedsystem_video_go/internal/middleware/redis"
+	"log"
 	"regexp"
 	"strings"
 
@@ -150,6 +151,8 @@ func (s *CommentService) notifyMentions(ctx context.Context, comment *Comment) {
 			TargetID:    comment.VideoID,
 			Content:     comment.Username + " 在评论中提到了你",
 		}
-		s.repo.db.WithContext(ctx).Table("notifications").Create(&notif)
+		if err := s.repo.db.WithContext(ctx).Table("notifications").Create(&notif).Error; err != nil {
+			log.Printf("create mention notification failed: %v", err)
+		}
 	}
 }

backend/internal/video/video_service.go

@@ -64,8 +64,12 @@ func (vs *VideoService) Publish(ctx context.Context, video *Video) error {
 		tags := ExtractTags(video.Title + " " + video.Description)
 		for _, tagName := range tags {
 			var tag Tag
-			tx.Where("name = ?", tagName).FirstOrCreate(&tag, Tag{Name: tagName})
-			tx.Create(&VideoTag{VideoID: video.ID, TagID: tag.ID})
+			if err := tx.Where("name = ?", tagName).FirstOrCreate(&tag, Tag{Name: tagName}).Error; err != nil {
+				return err
+			}
+			if err := tx.Create(&VideoTag{VideoID: video.ID, TagID: tag.ID}).Error; err != nil {
+				return err
+			}
 		}
 		return nil
 	})