初始化

API/internal/handler/creative_video_archive.go

@@ -0,0 +1,47 @@
+// 本文件负责剧集视频 ZIP 下载请求的参数校验、响应头设置和对象流写入。
+package handler
+
+import (
+	"context"
+	"io"
+	"mime"
+	"net/http"
+
+	"juhe-factory/api/internal/service"
+	"juhe-factory/api/internal/videoarchive"
+
+	"github.com/gin-gonic/gin"
+)
+
+// DownloadEpisodeVideos 下载当前剧集按项目类型筛选后的视频 ZIP。
+func (h *Creative) DownloadEpisodeVideos(c *gin.Context) {
+	if !h.objectStorageAvailable(c) {
+		return
+	}
+	projectID, ok := h.projectID(c)
+	if !ok {
+		return
+	}
+	episodeID, err := service.ParseUUID(c.Param("episode_id"), "剧集")
+	if err != nil {
+		h.bad(c, err)
+		return
+	}
+	manifest, err := h.service.EpisodeVideoArchive(currentWebUser(c).ID, projectID, episodeID)
+	if err != nil {
+		h.bad(c, err)
+		return
+	}
+	c.Header("Content-Type", "application/zip")
+	c.Header("Content-Disposition", mime.FormatMediaType("attachment", map[string]string{"filename": manifest.Name}))
+	c.Header("X-Content-Type-Options", "nosniff")
+	c.Status(http.StatusOK)
+	err = videoarchive.Write(c.Request.Context(), c.Writer, manifest.Entries, func(ctx context.Context, objectKey string) (io.ReadCloser, error) {
+		body, _, _, openErr := h.cos.Open(ctx, objectKey)
+		return body, openErr
+	})
+	if err != nil {
+		_ = c.Error(err)
+		c.Abort()
+	}
+}