base adresse: add support for geocoding API (#10326)

passerelle/apps/base_adresse/templates/base_adresse/base_adresse_detail.html

@@ -29,10 +29,10 @@ format.
 </p>
 
 <ul>
-<li>{% trans 'Geocoding:' %} <a href="{% url 'base_adresse-search' slug=object.slug %}"
-        >{{ site_base_uri }}{% url 'base_adresse-search' slug=object.slug %}</a></li>
-<li>{% trans 'Reverse geocoding:' %} <a href="{% url 'base_adresse-reverse' slug=object.slug %}"
-        >{{ site_base_uri }}{% url 'base_adresse-reverse' slug=object.slug %}</a></li>
+<li>{% trans 'Geocoding:' %} <a href="{% url 'base_adresse-search' slug=object.slug %}?q=169 rue du chateau, paris&format=json"
+        >{{ site_base_uri }}{% url 'base_adresse-search' slug=object.slug %}</a>?q=<i>q</i>&amp;format=json</li>
+<li>{% trans 'Reverse geocoding:' %} <a href="{% url 'base_adresse-reverse' slug=object.slug %}?lat=48.833708&amp;lon=2.323349&amp;format=json"
+        >{{ site_base_uri }}{% url 'base_adresse-reverse' slug=object.slug %}</a>?lat=<i>lat</i>&amp;lon=<i>lon</i>&amp;format=json</li>
 </ul>
 </div>
 

passerelle/apps/base_adresse/views.py

@@ -49,15 +49,43 @@ class BaseAddresseDeleteView(DeleteView):
 class SearchView(View, SingleObjectMixin):
     model = BaseAddresse
 
-    def get(self, request, *args, **kwargs):
-        raise NotImplementedError()
-
-
-class SearchPathView(View, SingleObjectMixin):
-    model = BaseAddresse
+    def get_query(self, request, *args, **kwargs):
+        if not 'q' in request.GET:
+            return HttpResponseBadRequest('missing parameter')
+        return request.GET['q']
 
     def get(self, request, *args, **kwargs):
-        raise NotImplementedError()
+        response_format = 'json'
+        if 'format' in request.GET:
+            response_format = request.GET['format']
+        if response_format != 'json':
+            raise NotImplementedError()
+
+        scheme, netloc, path, params, query, fragment = urlparse.urlparse(
+                self.get_object().service_url)
+        path = '/search/'
+        query = urllib.urlencode({'q': self.get_query(request, *args, **kwargs), 'limit': 1})
+        url = urlparse.urlunparse((scheme, netloc, path, params, query, fragment))
+
+        result_response = requests.get(url)
+        result = []
+
+        for feature in result_response.json().get('features'):
+            if not feature['geometry']['type'] == 'Point':
+                continue # skip unknown
+            result.append({
+                'lon': str(feature['geometry']['coordinates'][0]),
+                'lat': str(feature['geometry']['coordinates'][1]),
+                'display_name': feature['properties']['label'],
+            })
+            break
+
+        return utils.response_for_json(request, result)
+
+
+class SearchPathView(SearchView):
+    def get_query(self, request, *args, **kwargs):
+        return kwargs.get('path')
 
 
 class ReverseView(View, SingleObjectMixin):