feat / AEB-60 create get route for sensors list

backend/api/account/serializers/sensor_serializers.py

@@ -1,13 +1,84 @@
 from rest_framework import serializers
-from django.conf import settings
-from sitemanagement.models import Sensor, Metric, Alert
+from sitemanagement.models import Sensor, Alert
+
+class NotificationSerializer(serializers.ModelSerializer):
+    type = serializers.SerializerMethodField()
+    priority = serializers.SerializerMethodField()
+    timestamp = serializers.DateTimeField(source='created_at')
+    acknowledged = serializers.BooleanField(source='resolved', default=False)
+    
+    class Meta:
+        model = Alert
+        fields = ('id', 'type', 'timestamp', 'acknowledged', 'priority')
+        
+    def get_type(self, obj):
+        return 'critical' if obj.severity == 'critical' else 'warning'
+        
+    def get_priority(self, obj):
+        return 'high' if obj.severity == 'critical' else 'medium'
+
+class DetectorSerializer(serializers.ModelSerializer):
+    detector_id = serializers.SerializerMethodField()
+    type = serializers.SerializerMethodField()
+    name = serializers.SerializerMethodField()
+    object = serializers.SerializerMethodField()
+    status = serializers.SerializerMethodField()
+    zone = serializers.SerializerMethodField()
+    floor = serializers.SerializerMethodField()
+    notifications = NotificationSerializer(source='alerts', many=True)
 
-class SensorSerializer(serializers.ModelSerializer):
     class Meta:
         model = Sensor
-        fields = '__all__'
+        fields = ('detector_id', 'type', 'name', 'object', 'status', 'zone', 'floor', 'notifications')
 
-class MetricSerializer(serializers.ModelSerializer):
-    class Meta:
-        model = Metric
-        fields = '__all__'
+    def get_detector_id(self, obj):
+        return obj.name or f"{obj.sensor_type.code}-{obj.id}"
+
+    def get_type(self, obj):
+        # маппинг типов сенсоров на нужные значения
+        sensor_type_mapping = {
+            'GA': 'fire_detector',
+            'PE': 'pressure_sensor',
+            'GLE': 'gas_detector'
+        }
+        return sensor_type_mapping.get(obj.sensor_type.code, 'unknown')
+
+    def get_name(self, obj):
+        return f"{obj.sensor_type.name} {obj.serial_number}"
+
+    def get_object(self, obj):
+        # получаем первую зону датчика и её объект
+        zone = obj.zones.first()
+        if zone:
+            return zone.object.title
+        return None
+
+    def get_status(self, obj):
+        # проверяем наличие активных алертов
+        latest_alert = obj.alerts.filter(resolved=False).first()
+        if latest_alert:
+            return latest_alert.severity  # вернет 'warning' или 'critical'
+        return 'normal'
+
+    def get_zone(self, obj):
+        zone = obj.zones.first()
+        if zone:
+            return zone.name
+        return None
+
+    def get_floor(self, obj):
+        # получаем этаж из зоны
+        zone = obj.zones.first()
+        if zone:
+            return zone.floor
+        return None  # если датчик не привязали к зоне
+
+class DetectorsResponseSerializer(serializers.Serializer):
+    detectors = serializers.SerializerMethodField()
+
+    def get_detectors(self, sensors):
+        detector_serializer = DetectorSerializer(sensors, many=True)
+        return {
+            sensor['detector_id']: sensor 
+            for sensor in detector_serializer.data
+        }