add sessions stats

rowers/urls.py

@@ -275,6 +275,7 @@ urlpatterns = [
             views.instroke_data, name='instroke_data'),
     re_path(r'^exportallworkouts/?/$', views.workouts_summaries_email_view,
             name='workouts_summaries_email_view'),
+    path('sessionstats/', views.sessions_stats, name='sessions_stats'),
     path('failedjobs/', views.failed_queue_view, name='failed_queue_view'),
     path('sleep/', views.sleep_view, name='sleep_view'),
     path('filmdeaths/', views.filmdeaths_view, name='filmdeaths_view'),

rowers/views/otherviews.py

@@ -1,6 +1,7 @@
 
 from rowers.views.statements import *
 from rowers.interactiveplots import sleep
+from rowers.plannedsessions import is_session_complete
 
 from rq import Queue
 from redis import Redis
@@ -55,6 +56,47 @@ def download_fit(request, filename=''):
 
     return response  # pragma: no cover
 
+@login_required()
+def sessions_stats(request):
+    if not request.user.is_staff:  # pragma: no cover
+        raise PermissionDenied("Not Allowed")
+
+    ws = Workout.objects.filter(plannedsession__isnull=False)
+
+    results = []
+
+    for w in ws:
+        ps = w.plannedsession
+        r = w.user
+        ratio, status, cdate = is_session_complete(r, ps)
+        d = {
+            'date':w.date,
+            'session_id':ps.id,
+            'session_name':ps.name,
+            'complete': ratio,
+            'status': status,
+            'rscore': w.rscore,
+            'duration': w.duration,
+        }
+        results.append(d)
+
+    df = pd.DataFrame(results)
+
+    code = str(uuid4())
+    filename = code+'.csv'
+
+    df.to_csv(filename)
+
+    with open(filename,'r') as f:
+        response = HttpResponse(f)
+        response['Content-Disposition'] = 'attachment; filename="%s"' % filename
+        response['Content-Type'] = 'application/octet-stream'
+
+    os.remove(filename)
+    return response
+        
+        
+
 
 @login_required()
 def failed_queue_view(request):