return statistics of a contribution

requirements.txt

@@ -20,4 +20,5 @@ WebOb==1.6.0
 WebTest==2.0.21
 zope.deprecation==4.1.2
 zope.interface==4.1.3
-colander==1.2
+colander==1.2
+bs4

restapi/protocol.py

@@ -13,4 +13,4 @@ def reset_database():
 
 
 def get_contract(contract):
-    return backfeed_protocol.get_contract(contract)
+    return backfeed_protocol.utils.get_contract(contract)

restapi/tests/test_contributions.py

@@ -1,3 +1,5 @@
+import types
+
 from common import APITestCase
 from ..views.config import URL_CONTRIBUTION_RESOURCE, URL_CONTRIBUTION_COLLECTION
 
@@ -49,6 +51,8 @@ def test_data(self):
         # check the data returned by POST request
         response = self.app.post(self.url_collection, {'contributor_id': user.id})
         data = response.json
+        contribution_id = data['id']
+        contribution = self.contract.get_contribution(contribution_id)
 
         self.assertTrue(data['id'])
         self.assertEqual(data['score'], 0.0)
@@ -57,7 +61,18 @@ def test_data(self):
         self.assertEqual(data['contributor']['tokens'], 49.0)
         self.assertEqual(data['contributor']['reputation'], 1.0)
         self.assertEqual(data['type'], 'article')
+        self.assertEqual(data['stats']['evaluations'], {})
 
         # they should be the same as those returned by the GET request
-        data_get = self.app.get(self.url_resource(data['id'])).json
+        data_get = self.app.get(self.url_resource(contribution_id)).json
         self.assertEqual(data, data_get)
+
+        # now check if we get the right statistics
+        evaluator = self.contract.create_user()
+        self.contract.create_evaluation(contribution=contribution, user=evaluator, value=1)
+        evaluator = self.contract.create_user()
+        self.contract.create_evaluation(contribution=contribution, user=evaluator, value=0)
+
+        data = self.app.get(self.url_resource(contribution_id)).json
+        self.assertEqual(type(data['stats']['evaluations']['0']['reputation']), types.FloatType)
+        self.assertEqual(type(data['stats']['evaluations']['1']['reputation']), types.FloatType)

restapi/views/contributions.py

@@ -44,6 +44,7 @@ def get(request):
 def contribution_to_dict(contribution, request):
     """return a dictionary with information about this contribution"""
     user = contribution.user
+    stats = contribution.get_statistics()
     return {
         'id': contribution.id,
         'contributor': {
@@ -54,4 +55,5 @@ def contribution_to_dict(contribution, request):
         'score': request.contract.contribution_score(contribution),
         'engaged_reputation': contribution.engaged_reputation(),
         'type': contribution.contribution_type,
+        'stats': stats,
     }