Working mail alerts + alert system tweaks

restic_compose_backup/alerts/base.py

@@ -1,14 +1,14 @@
-from restic_compose_backup.alerts import ALERT_INFO, ALERT_ERROR, ALERT_TYPES
 
 
 class BaseAlert:
     name = None
 
-    def __init__(self):
-        pass
+    def create_from_env(self):
+        return None
 
-    def create_from_config(self, config):
-        pass
+    @property
+    def properly_configured(self) -> bool:
+        return False
 
-    def send(self, self, subject=None, attachment=None, alert_type=ALERT_ERROR):
+    def send(self, subject: str = None, body: str = None, alert_type: str = None):
         pass