Adding Checkin stats

checkin/models.py

@@ -2,8 +2,7 @@
 
 from django.db import models
 # Create your models here.
-from django.utils.datetime_safe import datetime
-
+from django.utils import timezone
 from applications.models import APP_CONFIRMED, APP_ATTENDED
 from user.models import User
 
@@ -15,7 +14,7 @@ class CheckIn(models.Model):
 
     def save(self, force_insert=False, force_update=False, using=None,
              update_fields=None):
-        self.update_time = datetime.now()
+        self.update_time = timezone.now()
         super(CheckIn, self).save(force_insert, force_update, using,
                                   update_fields)
         self.application.status = APP_ATTENDED

stats/templates/checkin_stats.html

@@ -0,0 +1,49 @@
+{% extends 'c3_base.html' %}
+
+{% block head_title %}Check-in stats{% endblock %}
+{% block panel %}
+    <h1>Check-in stats</h1>
+    <small class="pull-right"><b>Last updated:</b> <span id="update_date"></span></small>
+    <div class="row">
+        <div class="col-md-12">
+            <div id="timeseries"></div>
+            <p><b>Checkin count:</b> <span id="checkin_count"></span></p>
+        </div>
+    </div>
+{% endblock %}
+{% block c3script %}
+    <script>
+        $.getJSON('{% url 'api_checkin_stats' %}', function (data) {
+            var timeseries_dict = []
+            data['timeseries'].forEach(element => {
+                timeseries_dict.push({
+                    hours: new Date(element['hour']),
+                    checkins: element['checkins']
+                });
+            });
+            c3.generate({
+                bindto: '#timeseries',
+                data: {
+                    json: timeseries_dict,
+                    keys: {
+                        x: 'hours',
+                        xFormat: '%Y-%m-%d %H:%M:%S',
+                        value: ['checkins']
+                    }
+                },
+
+                axis: {
+                    x: {
+                        type: 'timeseries',
+                        tick: {
+                            format: 'Day %d, %Hh'
+                        }
+                    }
+                }
+            });
+            $('#update_date').html(data['update_time']);
+            $('#checkin_count').html(data['checkin_count']);
+        });
+
+    </script>
+{% endblock %}

stats/urls.py

@@ -8,8 +8,10 @@
     url(r'^api/apps/$', cache_page(5 * 60)(views.app_stats_api), name='api_app_stats'),
     url(r'^api/reimb/$', cache_page(5 * 60)(views.reimb_stats_api), name='api_reimb_stats'),
     url(r'^api/users/$', cache_page(5 * 60)(views.users_stats_api), name='api_users_stats'),
+    url(r'^api/checkin/$', cache_page(5 * 60)(views.checkin_stats_api), name='api_checkin_stats'),
     url(r'^apps/$', views.AppStats.as_view(), name='app_stats'),
     url(r'^users/$', views.UsersStats.as_view(), name='users_stats'),
+    url(r'^checkin/$', views.CheckinStats.as_view(), name='checkin_stats'),
 
 ]
 

stats/views.py

@@ -1,6 +1,6 @@
 from django.conf import settings
 from django.db.models import Count, Sum
-from django.db.models.functions import TruncDate
+from django.db.models.functions import TruncDate, TruncHour
 from django.http import JsonResponse
 from django.urls import reverse
 from django.utils import timezone
@@ -10,6 +10,7 @@
 from applications.models import Application, STATUS, APP_CONFIRMED, GENDERS
 from user.mixins import is_organizer, IsOrganizerMixin
 from user.models import User
+from checkin.models import CheckIn
 
 from collections import defaultdict
 
@@ -18,7 +19,8 @@
 
 
 def stats_tabs():
-    tabs = [('Applications', reverse('app_stats'), False), ('Users', reverse('users_stats'), False)]
+    tabs = [('Applications', reverse('app_stats'), False), ('Users', reverse('users_stats'), False),
+            ('Check-in', reverse('checkin_stats'), False)]
     if getattr(settings, 'REIMBURSEMENT_ENABLED', False):
         tabs.append(('Reimbursements', reverse('reimb_stats'), False))
     return tabs
@@ -181,7 +183,22 @@ def users_stats_api(request):
         {
             'update_time': timezone.now(),
             'users': users_count,
-            'users_count': len(users)
+            'users_count': len(users),
+        }
+    )
+
+
+@is_organizer
+def checkin_stats_api(request):
+    timeseries = CheckIn.objects.all().annotate(hour=TruncHour('update_time')) \
+        .values('hour').annotate(checkins=Count('hour'))
+    checkin_count = len(CheckIn.objects.all())
+
+    return JsonResponse(
+        {
+            'update_time': timezone.now(),
+            'timeseries': list(timeseries),
+            'checkin_count': checkin_count
         }
     )
 
@@ -205,3 +222,10 @@ class UsersStats(IsOrganizerMixin, TabsView):
 
     def get_current_tabs(self):
         return stats_tabs()
+
+
+class CheckinStats(IsOrganizerMixin, TabsView):
+    template_name = 'checkin_stats.html'
+
+    def get_current_tabs(self):
+        return stats_tabs()