added link

src/core/ydl.py

@@ -1,4 +1,8 @@
 from __future__ import unicode_literals
+
+import os
+import uuid
+from datetime import datetime
 from urllib.parse import urlparse
 
 import youtube_dl
@@ -7,15 +11,25 @@ from src.exceptions.download_exceptions import SiteNotImplementedException
 
 
 class VideoDownloader:
+    SUPPORTING_WEBSITES = [
+        "ok.ru", "vk.com", "www.youtube.com"
+    ]
+    BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
+    BASE_DOWNLOAD_DIR = os.path.join(BASE_DIR, "downloads")
+    BASE_YOUTUBE_DIR = os.path.join(BASE_DOWNLOAD_DIR, "Youtube")
+
     def __init__(self, link: str, ydl_opts: dict = None, username: str = None, password: str = None):
         self.link = link
         self.ydl_opts = ydl_opts
         self.username = username
         self.password = password
 
-        self.SUPPORTING_WEBSITES = [
-            "ok.ru", "vk.com", "www.youtube.com"
-        ]
+    @staticmethod
+    def get_unique_video_filename():
+        prefix = f'vid_{datetime.now().strftime("%Y%m%d%H%M%S")}'
+        random_uuid4 = uuid.uuid4().hex[:8]
+        filename = f"{prefix}_{random_uuid4}"
+        return filename
 
     def download(self):
         domain = urlparse(self.link).netloc
@@ -25,5 +39,4 @@ class VideoDownloader:
         with youtube_dl.YoutubeDL(self.ydl_opts if self.ydl_opts else {}) as ydl:
             ydl.download([self.link])
             result = ydl.extract_info(self.link, download=False)
-            url = result['formats'][-1]
-        return url
+            return result