285 lines
11 KiB
Python
285 lines
11 KiB
Python
from rest_framework import serializers
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from access_control.models import SubscriptionPlan
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from access_control.serializers import SubscriptionPlanSerializer
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from access_control.catalog import GOLD_PLAN_CODE
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from access_control.services import get_effective_subscription_plan
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from .models import FarmHub, FarmSensor, FarmType, Product
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from .services import normalize_farm_boundary_input
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from sensor_catalog.models import SensorCatalog
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class FarmTypeSerializer(serializers.ModelSerializer):
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class Meta:
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model = FarmType
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fields = ["uuid", "name", "description", "metadata"]
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class ProductSerializer(serializers.ModelSerializer):
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class Meta:
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model = Product
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fields = [
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"uuid",
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"name",
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"description",
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"metadata",
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"light",
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"watering",
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"soil",
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"temperature",
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"planting_season",
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"harvest_time",
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"spacing",
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"fertilizer",
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"health_profile",
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"irrigation_profile",
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"growth_profile",
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]
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class FarmSensorSerializer(serializers.ModelSerializer):
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last_updated = serializers.DateTimeField(source="updated_at", read_only=True)
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sensor_catalog_uuid = serializers.UUIDField(source="sensor_catalog.uuid", read_only=True)
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class Meta:
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model = FarmSensor
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fields = [
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"uuid",
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"sensor_catalog_uuid",
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"physical_device_uuid",
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"name",
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"sensor_type",
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"is_active",
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"specifications",
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"power_source",
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"last_updated",
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]
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read_only_fields = ["uuid", "last_updated"]
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class FarmHubSerializer(serializers.ModelSerializer):
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last_updated = serializers.DateTimeField(source="updated_at", read_only=True)
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farm_type = FarmTypeSerializer(read_only=True)
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subscription_plan = serializers.SerializerMethodField()
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products = ProductSerializer(many=True, read_only=True)
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sensors = FarmSensorSerializer(many=True, read_only=True)
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area_uuid = serializers.UUIDField(source="current_crop_area.uuid", read_only=True)
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class Meta:
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model = FarmHub
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fields = [
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"farm_uuid",
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"area_uuid",
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"name",
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"is_active",
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"irrigation_method_id",
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"irrigation_method_name",
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"farm_type",
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"subscription_plan",
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"products",
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"sensors",
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"last_updated",
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]
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read_only_fields = ["farm_uuid", "last_updated"]
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def get_subscription_plan(self, obj):
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subscription_plan = get_effective_subscription_plan(obj)
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if subscription_plan is None:
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return None
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return SubscriptionPlanSerializer(subscription_plan, context=self.context).data
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class FarmSensorWriteSerializer(serializers.ModelSerializer):
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sensor_catalog_uuid = serializers.UUIDField(write_only=True, required=False)
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class Meta:
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model = FarmSensor
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fields = [
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"sensor_catalog_uuid",
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"physical_device_uuid",
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"name",
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"sensor_type",
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"is_active",
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"specifications",
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"power_source",
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]
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def validate(self, attrs):
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sensor_catalog_uuid = attrs.pop("sensor_catalog_uuid", None)
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if sensor_catalog_uuid is not None:
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try:
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sensor_catalog = SensorCatalog.objects.get(uuid=sensor_catalog_uuid)
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except SensorCatalog.DoesNotExist as exc:
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raise serializers.ValidationError({"sensor_catalog_uuid": ["Sensor catalog not found."]}) from exc
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attrs["sensor_catalog"] = sensor_catalog
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attrs.setdefault("name", sensor_catalog.name)
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return attrs
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class FarmHubCreateSerializer(serializers.ModelSerializer):
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area_geojson = serializers.JSONField(write_only=True, required=False)
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farm_boundary = serializers.JSONField(write_only=True, required=False)
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farm_type_uuid = serializers.UUIDField(write_only=True)
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subscription_plan_uuid = serializers.UUIDField(write_only=True, required=False, allow_null=True)
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product_uuids = serializers.ListField(
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child=serializers.UUIDField(),
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write_only=True,
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allow_empty=False,
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)
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sensors = FarmSensorWriteSerializer(many=True, required=False)
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sensor_key = serializers.CharField(write_only=True, required=False, allow_blank=True, default="sensor-7-1")
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sensor_payload = serializers.JSONField(write_only=True, required=False)
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irrigation_method_id = serializers.IntegerField(required=False, allow_null=True)
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irrigation_method_name = serializers.CharField(required=False, allow_blank=True)
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class Meta:
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model = FarmHub
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fields = [
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"name",
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"is_active",
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"farm_type_uuid",
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"subscription_plan_uuid",
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"product_uuids",
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"sensors",
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"area_geojson",
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"farm_boundary",
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"sensor_key",
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"sensor_payload",
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"irrigation_method_id",
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"irrigation_method_name",
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]
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def to_internal_value(self, data):
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if hasattr(data, "copy"):
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data = data.copy()
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data.pop("farm_uuid", None)
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return super().to_internal_value(data)
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def validate_area_geojson(self, value):
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try:
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return normalize_farm_boundary_input(value)
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except ValueError as exc:
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raise serializers.ValidationError(str(exc)) from exc
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def validate_farm_boundary(self, value):
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try:
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return normalize_farm_boundary_input(value)
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except ValueError as exc:
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raise serializers.ValidationError(str(exc)) from exc
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def validate_sensor_payload(self, value):
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if not isinstance(value, dict):
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raise serializers.ValidationError("`sensor_payload` must be an object.")
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return value
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def validate(self, attrs):
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farm_boundary = attrs.pop("farm_boundary", serializers.empty)
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if farm_boundary is not serializers.empty:
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attrs["area_geojson"] = farm_boundary
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farm_type_uuid = attrs.get("farm_type_uuid")
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subscription_plan_uuid = attrs.get("subscription_plan_uuid", serializers.empty)
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product_uuids = attrs.get("product_uuids")
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if farm_type_uuid is None:
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if self.instance is None:
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raise serializers.ValidationError({"farm_type_uuid": ["This field is required."]})
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farm_type = self.instance.farm_type
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else:
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try:
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farm_type = FarmType.objects.get(uuid=farm_type_uuid)
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except FarmType.DoesNotExist as exc:
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raise serializers.ValidationError({"farm_type_uuid": ["Farm type not found."]}) from exc
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if product_uuids is None:
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products = list(self.instance.products.all()) if self.instance is not None else []
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else:
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products = list(Product.objects.filter(uuid__in=product_uuids))
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if len(products) != len(product_uuids):
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raise serializers.ValidationError({"product_uuids": ["One or more products were not found."]})
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invalid_products = [product.name for product in products if product.farm_type_id != farm_type.id]
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if invalid_products:
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raise serializers.ValidationError(
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{"product_uuids": [f"Products must belong to farm type `{farm_type.name}`."]}
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)
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if subscription_plan_uuid is serializers.empty:
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if self.instance is not None:
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subscription_plan = self.instance.subscription_plan
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else:
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subscription_plan = SubscriptionPlan.objects.filter(code=GOLD_PLAN_CODE, is_active=True).first()
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elif subscription_plan_uuid is None:
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subscription_plan = None
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else:
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try:
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subscription_plan = SubscriptionPlan.objects.get(uuid=subscription_plan_uuid, is_active=True)
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except SubscriptionPlan.DoesNotExist as exc:
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raise serializers.ValidationError({"subscription_plan_uuid": ["Subscription plan not found."]}) from exc
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attrs["farm_type"] = farm_type
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attrs["subscription_plan"] = subscription_plan
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attrs["products"] = products
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irrigation_method_id = attrs.get("irrigation_method_id", serializers.empty)
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irrigation_method_name = attrs.get("irrigation_method_name", serializers.empty)
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if irrigation_method_id is None:
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attrs["irrigation_method_name"] = ""
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elif irrigation_method_name is serializers.empty and self.instance is not None:
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attrs["irrigation_method_name"] = self.instance.irrigation_method_name
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return attrs
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def create(self, validated_data):
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validated_data.pop("area_geojson", None)
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validated_data.pop("sensor_key", None)
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validated_data.pop("sensor_payload", None)
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sensors_data = validated_data.pop("sensors", [])
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products = validated_data.pop("products", [])
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validated_data["farm_type"] = validated_data.pop("farm_type")
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validated_data["subscription_plan"] = validated_data.pop("subscription_plan", None)
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validated_data.pop("farm_type_uuid", None)
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validated_data.pop("subscription_plan_uuid", None)
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validated_data.pop("product_uuids", None)
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farm = super().create(validated_data)
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if products:
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farm.products.set(products)
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if sensors_data:
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FarmSensor.objects.bulk_create([FarmSensor(farm=farm, **sensor_data) for sensor_data in sensors_data])
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return farm
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def update(self, instance, validated_data):
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validated_data.pop("area_geojson", None)
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validated_data.pop("sensor_key", None)
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validated_data.pop("sensor_payload", None)
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sensors_data = validated_data.pop("sensors", None)
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products = validated_data.pop("products", None)
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farm_type = validated_data.pop("farm_type", None)
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subscription_plan = validated_data.pop("subscription_plan", serializers.empty)
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validated_data.pop("farm_type_uuid", None)
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validated_data.pop("subscription_plan_uuid", None)
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validated_data.pop("product_uuids", None)
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for attr, value in validated_data.items():
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setattr(instance, attr, value)
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if farm_type is not None:
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instance.farm_type = farm_type
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if subscription_plan is not serializers.empty:
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instance.subscription_plan = subscription_plan
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instance.save()
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if products is not None:
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instance.products.set(products)
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if sensors_data is not None:
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instance.sensors.all().delete()
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if sensors_data:
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FarmSensor.objects.bulk_create([FarmSensor(farm=instance, **sensor_data) for sensor_data in sensors_data])
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return instance
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class FarmToggleSerializer(serializers.Serializer):
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farm_uuid = serializers.UUIDField()
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