Add api endpoints for collecting location details

- includes soil order name and code, ecological district, ecological region and address from linz

backend/right_tree/api/filters.py

@@ -1,20 +1,16 @@
 import json
 
-from django.contrib.gis.geos import Point
+from django.http import Http404
 from django.db.models import Q
 
 from .models import EcologicalRegion, EcologicalDistrictLayer, SoilOrder, SoilVariant
-
+from .utils import get_point_from_coordinates
 
 def coordinate_filter(request, queryset):
     coordinates = request.query_params.get('coordinates')
 
     if coordinates is not None:
-        coordinates_json = json.loads(coordinates)
+        pnt = get_point_from_coordinates(coordinates)
-        pnt = Point(coordinates_json["lng"],
-                    coordinates_json["lat"], srid=4326)
-        pnt.transform(2193)
-
         filtered_regions = EcologicalRegion.objects.filter(
             ecologicaldistrictlayer__geom__intersects=pnt).values_list('id', flat=True)
         filtered_soil_orders = SoilOrder.objects.filter(
@@ -37,3 +33,19 @@ def soil_variant_filter(request, queryset):
         return queryset.filter(soil_variants__in=soil_variant_ids).distinct()
 
     return queryset
+
+
+def soil_order_coordinate_filter(coordinates):
+    pnt = get_point_from_coordinates(coordinates)
+    try:
+        return SoilOrder.objects.filter(soillayer__geom__intersects=pnt)
+    except SoilOrder.DoesNotExist:
+        raise Http404(f"Soil Order cannot be found for point {pnt}")
+
+
+def ecological_district_coordinate_filter(coordinates):
+    pnt = get_point_from_coordinates(coordinates)
+    try:
+        return EcologicalDistrictLayer.objects.filter(geom__intersects=pnt)
+    except EcologicalDistrictLayer.DoesNotExist:
+        raise Http404(f"Ecological district layer cannot be found for point {pnt}")

backend/right_tree/api/serializers.py

@@ -1,5 +1,5 @@
 from rest_framework import serializers
-from right_tree.api.models import Plant, ToleranceLevel, SoilOrder, SoilVariant, EcologicalRegion
+from right_tree.api.models import Plant, ToleranceLevel, SoilOrder, SoilVariant, EcologicalRegion, EcologicalDistrictLayer
 
 
 class ToleranceLevelSerializer(serializers.HyperlinkedModelSerializer):
@@ -14,10 +14,23 @@ class EcologicalRegionSerializer(serializers.HyperlinkedModelSerializer):
         fields = ['name']
 
 
+class EcologicalDistrictLayerSerializer(serializers.HyperlinkedModelSerializer):
+    ecological_district = serializers.CharField(max_length=50, source='ecologic_1')
+    ecological_region = serializers.CharField(
+        max_length=50, source='ecologic_2')
+
+    class Meta:
+        model = EcologicalDistrictLayer
+        fields = ['ecological_district', 'ecological_region']
+
+
 class SoilOrderSerializer(serializers.HyperlinkedModelSerializer):
+    soil_name = serializers.CharField(max_length=50, source='name')
+    soil_code = serializers.CharField(max_length=1, source='code')
+
     class Meta:
         model = SoilOrder
-        fields = ['name']
+        fields = ['soil_name', 'soil_code']
 
 
 class SoilVariantSerializer(serializers.HyperlinkedModelSerializer):
@@ -26,6 +39,13 @@ class SoilVariantSerializer(serializers.HyperlinkedModelSerializer):
         fields = ['name']
 
 
+class LocationDetailsSerializer(serializers.Serializer):
+    ecologic_1 = serializers.CharField(max_length=50)
+    ecologic_2 = serializers.CharField(max_length=50)
+    code = serializers.CharField(max_length=1)
+    name = serializers.CharField(max_length=50)
+
+
 class PlantSerializer(serializers.HyperlinkedModelSerializer):
     id = serializers.ReadOnlyField()
     water_tolerance = ToleranceLevelSerializer()
@@ -39,3 +59,7 @@ class PlantSerializer(serializers.HyperlinkedModelSerializer):
     class Meta:
         model = Plant
         fields = '__all__'
+
+
+class AddressSerializer(serializers.Serializer):
+    full_address = serializers.CharField(max_length=500)

backend/right_tree/api/views.py

@@ -1,7 +1,17 @@
+import json
+
+from django.contrib.gis.geos import Point
+from django.contrib.gis.db import models
+from django.http import HttpResponseBadRequest
+
 from rest_framework import viewsets
-from right_tree.api.models import Plant
+from rest_framework.response import Response
-from right_tree.api.serializers import PlantSerializer
+
-from .filters import coordinate_filter, soil_variant_filter
+from right_tree.api.models import Plant, EcologicalDistrictLayer, SoilOrder
+from right_tree.api.serializers import PlantSerializer, SoilOrderSerializer, EcologicalDistrictLayerSerializer, AddressSerializer
+
+from .filters import *
+from .utils import get_address_from_coordinates
 
 class PlantViewSet(viewsets.ModelViewSet):
     """
@@ -20,3 +30,48 @@ class PlantViewSet(viewsets.ModelViewSet):
 
         return queryset
 
+class SoilOrderViewSet(viewsets.ModelViewSet):
+    """
+    Filtered viewset for soil details.
+    """
+    serializer_class = SoilOrderSerializer
+
+    def get_queryset(self):
+        """ Filtering soil order query set by coordinate parameters in the URL.
+        """
+        coordinates = self.request.query_params.get('coordinates')
+        if coordinates is not None:
+            return soil_order_coordinate_filter(coordinates)
+
+        return SoilOrder.objects.all()
+
+
+class EcologicalDistrictViewSet(viewsets.ModelViewSet):
+    """
+    Filtered viewset for ecological district/region details.
+    """
+    serializer_class = EcologicalDistrictLayerSerializer
+
+    def get_queryset(self):
+        """ Filtering ecological district/region query set by coordinate parameters in the URL.
+        """
+        coordinates = self.request.query_params.get('coordinates')
+        if coordinates is not None:
+            return ecological_district_coordinate_filter(coordinates)
+
+        return EcologicalDistrictLayer.objects.all()
+
+
+class LINZPropertyViewSet(viewsets.ViewSet):
+    """
+    Filtered viewset for ecological district/region details.
+    """
+
+    def list(self, request):
+        coordinates = self.request.query_params.get('coordinates')
+        if coordinates is not None:
+            address_data = get_address_from_coordinates(coordinates)
+            serializer = AddressSerializer(address_data)
+            return Response(serializer.data) 
+        else:  
+            return HttpResponseBadRequest("No coordinate given.")

backend/right_tree/urls.py

@@ -21,6 +21,9 @@ from right_tree.api import views
 
 router = routers.DefaultRouter()
 router.register(r'plants', views.PlantViewSet)
+router.register(r'soil', views.SoilOrderViewSet, basename='soil')
+router.register(r'ecologicaldistrict', views.EcologicalDistrictViewSet, basename='ecologicaldistrict')
+router.register(r'address', views.LINZPropertyViewSet, basename='address')
 
 urlpatterns = [
     path('admin/', admin.site.urls),