Fix CaseStudy serialisation..

..by ensuring CS images are serialised correctly

apps/map/templates/map/index.html

@@ -145,7 +145,7 @@ function getLabelClass(pos_or_neg) {
 
 function popup(feature, layer) {
   layer.bindPopup(
-    "<img src='"+feature.properties.image+"' width='100%'>"+
+    "<img src='"+feature.properties.images[0].file+"' width='100%'>"+
     "<div class='popup-head'>"+
       "<h5>"+feature.properties.entry_name+"</h5>" +
       "<i>"+feature.properties.country_name+"</i>"+

ojusomap/urls.py

@@ -18,10 +18,13 @@ from django.urls import reverse
 from django.conf.urls.i18n import i18n_patterns
 from django.contrib import admin
 from django.contrib.auth.models import User
-from apps.map.models import CaseStudy
+
 from rest_framework import routers, serializers, viewsets
 from rest_framework_gis import serializers as gis_serializers
 
+from apps.files.models import File
+from apps.map.models import CaseStudy
+
 from .views import LanguageDropdownView
 
 class UserSerializer(serializers.HyperlinkedModelSerializer):
@@ -35,10 +38,17 @@ class UserViewSet(viewsets.ModelViewSet):
     serializer_class = UserSerializer
 
 
+class FileSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = File
+        fields = ('file',)
+
+
 class CaseStudySerializer(gis_serializers.GeoFeatureModelSerializer):
     sector_of_economy = serializers.CharField(source='get_sector_of_economy_display')
     country_name = serializers.CharField(source='get_country_display')
     positive_or_negative_display = serializers.CharField(source='get_positive_or_negative_display')
+    images = FileSerializer(many=True)
 
     class Meta:
         model = CaseStudy
@@ -47,7 +57,7 @@ class CaseStudySerializer(gis_serializers.GeoFeatureModelSerializer):
             'country',
             'country_name',
             'entry_name',
-            'image',
+            'images',
             'location',
             'positive_or_negative',
             'positive_or_negative_display',