added frontend for social + feed partiali working

backend/social/posts/models.py

@@ -67,7 +67,18 @@ class PostContent(SoftDeleteModel):
     
     def save(self, *args, **kwargs):
         if self.file and not self.file._committed:
-            self.mime_type = mime.from_buffer(self.file.read(1024))
+            if mime is not None:
+                data = self.file.read(1024)
+                self.file.seek(0)
+                self.mime_type = mime.from_buffer(data)
+            else:
+                import mimetypes
+                content_type = getattr(self.file, 'content_type', None)
+                self.mime_type = (
+                    content_type
+                    or mimetypes.guess_type(self.file.name)[0]
+                    or 'application/octet-stream'
+                )
         return super().save(*args, **kwargs)