Working mail alerts + alert system tweaks

restic_compose_backup/alerts/__init__.py

@@ -1,8 +1,25 @@
+from restic_compose_backup.alerts.smtp import SMTPAlert
+from restic_compose_backup.alerts.discord import DiscordWebhookAlert
+from restic_compose_backup.config import Config
+
 ALERT_INFO = 'INFO',
 ALERT_ERROR = 'ERROR'
 ALERT_TYPES = [ALERT_INFO, ALERT_ERROR]
+BACKENDS = [SMTPAlert, DiscordWebhookAlert]
 
 
 def send(subject: str = None, attachment: str = None, alert_type: str = ALERT_ERROR):
     """Send an alert"""
     pass
+
+
+def configured_alert_classes():
+    """Returns a list of configured alert class instances"""
+    entires = []
+
+    for cls in BACKENDS:
+        instance = cls.create_from_env()
+        if instance:
+            entires.append(instance)
+
+    return entires