Update position field of eventsignups.

- Add documentation for position field.
- Add position field to post response.

Fixes #405 
Fixes #410

amivapi/events/__init__.py

@@ -21,6 +21,7 @@
     add_email_to_signup_collection,
     add_position_to_signup,
     add_position_to_signup_collection,
+    add_position_to_signup_on_inserted,
     add_signup_count_to_event,
     add_signup_count_to_event_collection
 )
@@ -49,6 +50,7 @@ def init_app(app):
     # Show user's position in the signup list
     app.on_fetched_resource_eventsignups += add_position_to_signup_collection
     app.on_fetched_item_eventsignups += add_position_to_signup
+    app.on_inserted_eventsignups += add_position_to_signup_on_inserted
 
     # Show signup count in events
     app.on_fetched_resource_events += add_signup_count_to_event_collection

amivapi/events/model.py

@@ -598,6 +598,12 @@
                 'type': 'boolean',
                 'admin_only': True
             },
+            'position': {
+                'description': "Position of the signup within all signups of "
+                               "the event.",
+                'readonly': True,
+                'type': 'integer',
+            }
         }
     }
 }

amivapi/events/projections.py

@@ -37,6 +37,11 @@ def add_position_to_signup_collection(response):
         add_position_to_signup(item)
 
 
+def add_position_to_signup_on_inserted(items):
+    for item in items:
+        add_position_to_signup(item)
+
+
 def add_signup_count_to_event(item):
     """After an event is fetched from the database we add the current signup
     count"""

amivapi/tests/events/test_projections.py

@@ -63,8 +63,8 @@ def test_signup_count_projected(self):
         self.assertEqual(event['signup_count'], 100)
         self.assertEqual(event['unaccepted_count'], 1)
 
-    def test_waitinglist_position_projection(self):
-        """Test that waiting list position is correctly inserted into a
+    def test_signuplist_position_projection(self):
+        """Test that signup list position is correctly inserted into a
         signup information"""
         with freeze_time("2016-01-01 00:00:00") as frozen_time:
             # Create a new event
@@ -93,6 +93,8 @@ def test_waitinglist_position_projection(self):
                 'event': str(event['_id']),
                 'user': str(late_user['_id'])
             }, status_code=201).json
+            # Check that position is part of the received entity
+            self.assertEqual(signup['position'], 4)
 
             # GET the late user's signup to check his position
             signup_info = self.api.get(