geojson

gazetteer/places/models.py

@@ -1,6 +1,10 @@
 from django.db import connection
 from django.contrib.gis.db import models
 from django.contrib.gis.geos import Polygon
+try:
+    import json
+except:
+    import simplejson as json
 
 # Create your models here.
 
@@ -53,6 +57,18 @@ class Feature(models.Model):
         return "%s: %s" % (self.feature_type.code, self.feature_type.name,)
     feature_type_name.short_description = "Feature Type"
 
+    def get_geojson(self):
+        geom = json.loads(self.geojson)
+        properties = {
+            'id': self.id,
+            'preferred_name': self.preferred_name
+        }
+        return {
+            'type': 'Feature',
+            'properties': properties,
+            'geometry': geom
+        }        
+
     def time_start(self):
         tf = self.time_frame
         if tf is not None:

gazetteer/places/views.py

@@ -17,8 +17,12 @@ def search_json(request):
     bs = bbox.split(",")
     bs_param = (float(bs[0]), float(bs[1]), float(bs[2]), float(bs[3]),)
 
-    features = Feature.search.overlaps(bs_param, text=search_term, srid=3785)
-    d = {'c': features.count()}
+    features_qset = Feature.search.overlaps(bs_param, text=search_term, srid=3785)
+    features = [f.get_geojson() for f in features_qset]
+    d = {
+        'type': 'FeatureCollection',
+        'features': features
+    }
     return render_to_json_response(d)
 
 def search_related(request):