41 lines
1.6 KiB
Python
41 lines
1.6 KiB
Python
from rest_framework import serializers
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from drf_spectacular.utils import extend_schema_field
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from drf_spectacular.types import OpenApiTypes
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from typing import Optional
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from sitemanagement.models import Alert
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class AlertSerializer(serializers.ModelSerializer):
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name = serializers.SerializerMethodField()
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object = serializers.SerializerMethodField()
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metric_value = serializers.SerializerMethodField()
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detector_type = serializers.SerializerMethodField()
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class Meta:
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model = Alert
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fields = ('id', 'name', 'object', 'metric_value', 'detector_type', 'message', 'severity', 'created_at', 'resolved')
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@extend_schema_field(OpenApiTypes.STR)
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def get_name(self, obj) -> str:
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return obj.sensor.name
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@extend_schema_field(OpenApiTypes.STR)
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def get_object(self, obj) -> Optional[str]:
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zone = obj.sensor.zones.first()
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return zone.object.title if zone else None
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@extend_schema_field(OpenApiTypes.STR)
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def get_metric_value(self, obj) -> str:
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if obj.metric.value is not None:
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unit = obj.sensor.signal_format.unit if obj.sensor.signal_format else ''
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return f"{obj.metric.value} {unit}".strip()
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return obj.metric.raw_value
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@extend_schema_field(OpenApiTypes.STR)
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def get_detector_type(self, obj) -> str:
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sensor_type = getattr(obj, 'sensor_type', None)
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if sensor_type is None and hasattr(obj, 'sensor') and obj.sensor:
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sensor_type = getattr(obj.sensor, 'sensor_type', None)
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if sensor_type is None:
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return ''
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return (getattr(sensor_type, 'code', '') or '').upper()
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