Added Shortcut to make Packages Public (#54)

Co-authored-by: Tim Lorsbach <tim@lorsba.ch>
Reviewed-on: enviPath/enviPy#54

epdb/logic.py

@@ -183,6 +183,25 @@ class PackageManager(object):
             return True
         return False
 
+    @staticmethod
+    def administrable(user, package):
+        if UserPackagePermission.objects.filter(package=package, user=user, permission=Permission.ALL[0]).exists() or \
+                GroupPackagePermission.objects.filter(package=package, group__in=GroupManager.get_groups(user), permission=Permission.ALL[0]).exists() or \
+                user.is_superuser:
+            return True
+        return False
+
+    # @staticmethod
+    # def get_package_permission(user: 'User', package: Union[str, 'Package']):
+    #     if PackageManager.administrable(user, package):
+    #         return Permission.ALL[0]
+    #     elif PackageManager.writable(user, package):
+    #         return Permission.WRITE[0]
+    #     elif PackageManager.readable(user, package):
+    #         return Permission.READ[0]
+    #     else:
+    #         return None
+
     @staticmethod
     def has_package_permission(user: 'User', package: Union[str, 'Package'], permission: str):