Verify and redownload corrupted .nupkg files (#552)

* Initial solution

* Solve review comments

* Resolve review comments

Author: JosueNina

lean/components/cloud/module_manager.py

@@ -116,14 +116,27 @@ def _download_file(self, product_id: int, organization_id: str, package: NuGetPa
         :param organization_id: the id of the organization that has a license for the module
         :param package: the NuGet package to download
         """
-        package_file = Path(MODULES_DIRECTORY) / package.get_file_name()
 
+        package_file = Path(MODULES_DIRECTORY) / package.get_file_name()
+        
         if package_file.is_file():
-            if product_id not in self._installed_packages:
-                self._installed_packages[product_id] = []
-            self._installed_packages[product_id].append(package)
-            self._logger.debug(f"ModuleManager._download_file(): {package_file} already exists locally")
-            return
+            from zipfile import ZipFile, BadZipFile
+            from contextlib import suppress
+            with suppress(BadZipFile, IOError):
+                with ZipFile(package_file, 'r') as zip_ref:
+                    # Verify the integrity of the file
+                    if zip_ref.testzip() is None:
+                        self._logger.debug(f"{package_file.name} exists and passed the integrity check.")
+                        if product_id not in self._installed_packages:
+                            self._installed_packages[product_id] = []
+                        self._installed_packages[product_id].append(package)
+                        self._logger.debug(f"ModuleManager._download_file(): {package_file} already exists locally")
+                        return
+
+            self._logger.info(f"{package_file.name} exists but is corrupted. Downloading again...")
+            
+            from os import remove
+            remove(package_file)
 
         self._logger.info(f"Downloading '{package_file.name}'")