feat: collect complete Feishu media assets

skills/dingtalk-feishu-collector/scripts/step4_download_files.py

@@ -30,6 +30,38 @@ def main():
             if r.returncode==0: new+=1
             else: print(f"    FAIL")
         except Exception as e: print(f"    ERR: {e}")
-    print(f"\n下载 {new} 个 -> {DOWNLOAD_DIR}")
+
+    media_path = os.path.join(LINKS_DIR, "all_chat_media.json")
+    media = []
+    if os.path.isfile(media_path):
+        with open(media_path, "r", encoding="utf-8") as f: media = json.load(f)
+    media_dir = os.path.join(DOWNLOAD_DIR, "chat-media")
+    os.makedirs(media_dir, exist_ok=True)
+    media_new = 0
+    for item in media:
+        resource_id = item.get("resourceId", "")
+        message_id = item.get("messageId", "")
+        conversation_id = item.get("conversationId", "")
+        if not resource_id or not message_id or not conversation_id:
+            print(f"  MEDIA FAIL 缺少下载标识: {message_id or resource_id}")
+            continue
+        ext = ".mp4" if item.get("mediaType") == "video" else ".jpg"
+        stamp = item.get("time", "unknown").replace(":", "").replace(" ", "_").replace("-", "")
+        safe_id = "".join(ch for ch in message_id if ch.isalnum())[-12:] or "media"
+        output = os.path.join(media_dir, f"{stamp}_{safe_id}{ext}")
+        if args.incremental and os.path.isfile(output) and os.path.getsize(output) > 0:
+            print(f"  SKIP {os.path.basename(output)}")
+            continue
+        cmd = [dws, "chat", "message", "download-media", "--type", "mediaId",
+               "--resource-id", resource_id, "--message-id", message_id,
+               "--open-conversation-id", conversation_id, "--output", output, "-y"]
+        try:
+            r = subprocess.run(cmd, capture_output=True, timeout=120)
+            if r.returncode == 0 and os.path.isfile(output) and os.path.getsize(output) > 0:
+                media_new += 1
+            else:
+                print(f"  MEDIA FAIL {message_id}")
+        except Exception as e: print(f"  MEDIA ERR {message_id}: {e}")
+    print(f"\n下载附件 {new} 个、聊天媒体 {media_new} 个 -> {DOWNLOAD_DIR}")
 
 if __name__ == "__main__": main()