Adding code to allow experimenter to add participants to an already c…

…ompleted experiment session. Fixes #85

vcweb/core/subjectpool/templates/subjectpool/experiment-session-detail.html

@@ -36,14 +36,24 @@
                 </div>
             </form>
         </div>
+        <div class="alert alert-warning">
+            <span id="add-participant-error" class="alert-danger"></span>
+            <form class="form-inline" id="addParticipant">
+                {% csrf_token %}
+                <div class="form-group">
+                    <label for="participantEmail">Add Participant with Email: </label>
+                    <input type="text" id="participantEmail" name="participantEmail" class="form-control input-sm" />
+                    <button type="submit" class="btn btn-default input-sm">Add Participant</button>
+                </div>
+            </form>
+        </div>
         {% for dict in formset.errors %}
             {% for error in dict.values %}
                 <div class="alert alert-error">
                     <strong>{{ error|escape }}</strong>
                 </div>
             {% endfor %}
         {% endfor %}
-
         <h3>Registered Participants</h3>
         <form method="POST" id="participant-info" class="form-inline">
             {% csrf_token %}
@@ -101,6 +111,25 @@ <h3>Registered Participants</h3>
                 }
             });
 
+            $("#addParticipant").submit(function(event) {
+                $.post("{% url 'subjectpool:add_participant' session_detail.pk %}", $(event.target).serialize(), function(data) {
+                    console.log(data.success);
+                    if(data.success) {
+                        // reload page to show the added participant
+                        location.reload();
+                    } else {
+                        $("#add-participant-error").text("ERROR: " + data.error);
+                    }
+                }).fail(function(data) {
+                    if(data.status == 404) {
+                        $("#add-participant-error").text("ERROR: Participant not found in the system. Please contact the administrator");
+                    } else {
+                        $("#add-participant-error").text("ERROR: Something went wrong. Please try again, If issue persists please contact the administrator");
+                    }
+                });
+                event.preventDefault();
+            });
+
             /* API method to get paging information */
             $.fn.dataTableExt.oApi.fnPagingInfo = function ( oSettings ) {
                 return {

vcweb/core/subjectpool/urls.py

@@ -4,13 +4,14 @@
                                           manage_participant_attendance, send_invitations, get_invitations_count,
                                           invite_email_preview, experiment_session_signup,
                                           submit_experiment_session_signup, cancel_experiment_session_signup,
-                                          download_experiment_session)
+                                          download_experiment_session, add_participant)
 
 urlpatterns = [
     url(r'^$', experimenter_index, name='experimenter_index'),
     url(r'^session/manage/(?P<pk>\-?\d+)$', manage_experiment_session, name='manage_experiment_session'),
     url(r'^session/events$', get_session_events, name='session_events'),
     url(r'^session/detail/event/(?P<pk>\d+)$', manage_participant_attendance, name='session_event_detail'),
+    url(r'^session/(?P<pk>\d+)/participant/add/$', add_participant, name='add_participant'),
     url(r'^session/invite$', send_invitations, name='send_invites'),
     url(r'^session/invite/count$', get_invitations_count, name='get_invitations_count'),
     url(r'^session/email-preview$', invite_email_preview, name='invite_email_preview'),

vcweb/core/subjectpool/views.py

@@ -292,6 +292,41 @@ def manage_participant_attendance(request, pk=None):
                   {'session_detail': es, 'formset': formset})
 
 
+@group_required(PermissionGroup.experimenter)
+@ownership_required(ExperimentSession)
+@require_POST
+def add_participant(request, pk=None):
+    user_email = request.POST.get('participantEmail')
+    participant = get_object_or_404(Participant.objects.select_related('user'), user__email=user_email)
+    invitations = Invitation.objects.filter(participant=participant, experiment_session__pk=pk)
+    logger.debug("Found %s invitations for participant %s while adding him to experiment session %s", len(invitations), participant, pk)
+
+    es = get_object_or_404(ExperimentSession, pk=pk)
+
+    # First check the experiment session should be over
+    if es.scheduled_end_date < datetime.now():
+        logger.debug("Experimeter %s tried adding participant %s to experiment session %s that isn't still over",
+                     request.user, participant, pk)
+        return JsonResponse({'success': False, 'error': "Can't add a participant to yet not finished experiment session"})
+
+    # second check the participant must have recevied invitations
+    if len(invitations) == 0:
+        logger.debug("Experimeter %s tried adding participant %s to experiment session %s, who hasn't recevied invitation for the same",
+                     request.user, participant, pk)
+        return JsonResponse({'success': False, 'error': "Can't add a participant who hasn't received invitation"})
+
+    signups = ParticipantSignup.objects.filter(invitation__in=invitations).count()
+
+    # third and final check, the participant must not have already signedup for the experiment session
+    if signups > 0:
+        logger.debug("Experimeter %s tried adding participant %s to experiment session %s, who is already signed up for the same",
+                     request.user, participant, pk)
+        return JsonResponse({'success': False, 'error': 'Participant is already signed up of the experiment session'})
+    else:
+        ParticipantSignup(invitation=invitations[0], attendance=ParticipantSignup.ATTENDANCE.participated).save()
+        return JsonResponse({'success': True})
+
+
 @group_required(PermissionGroup.participant)
 @require_POST
 def cancel_experiment_session_signup(request):