Alerts

shared/alerts.py

@@ -0,0 +1,47 @@
+import time
+
+class AlertManager:
+    def __init__(self):
+        self.alerts = []
+        self.on_alert_callback = None
+        
+    def set_on_alert_callback(self, callback):
+        self.on_alert_callback = callback
+
+    def add_alert(self, alert):
+        self.alerts.append(alert)
+        if self.on_alert_callback:
+            self.on_alert_callback(alert)
+
+    def get_alerts(self):
+        return self.alerts
+
+    def clear_alerts(self):
+        self.alerts.clear()
+    
+class Alert:
+    def __init__(self, alertType: "AlertType", message: str):
+        self.alertType = alertType
+        self.message = message
+        self.timestamp = time.time()
+
+    def to_dict(self):
+        return {
+            "type": self.alertType,
+            "message": self.message,
+            "timestamp": self.timestamp
+        }
+        
+    def to_json(self):
+        import json
+        return json.dumps(self.to_dict())
+    
+    def from_json(json_string: str) -> "Alert":
+        import json
+        data = json.loads(json_string)
+        alert = Alert(data["type"], data["message"])
+        alert.timestamp = data["timestamp"]
+        return alert
+        
+class AlertType:
+    COOKING_SAFETY = "COOKING_SAFETY"