finished admin_stats endpoint

core/views.py

@@ -25,6 +25,7 @@ from companies.models import Company
 from companies.serializers import CompanySerializer
 from products.models import Product
 from geo.models import City, Region
+from stats.models import StatsLog
 
 from . import models
 from . import serializers as core_serializers
@@ -214,10 +215,41 @@ def admin_stats(request):
         count = Product.objects.filter(company__geo__within=region.geo).count()
         products_per_region[region.name] = count
 
+    today = datetime.date.today()
+    # companies timeline: count companies at increments of 4 weeks
+    companies_timeline = {}
+    # products timeline: count products at increments of 4 weeks
+    products_timeline = {}
+    # users timeline: count users at increments of 4 weeks
+    users_timeline = {}
+    # contact timeline: count statlogs from contact at increments of 4 weeks
+    contact_timeline = {}
+    # shopping timeline: count statlogs from shopping at increments of 4 weeks
+    shopping_timeline = {}
+    for i in range(1, 13):
+        before = today - datetime.timedelta(weeks=( (i-1) * 4 ))
+        after = today - datetime.timedelta(weeks=(i*4))
+        # companies
+        companies_timeline[i] = Company.objects.filter(created__range= [after, before]).count()
+        # products
+        products_timeline[i] = Product.objects.filter(created__range= [after, before]).count()
+        # users
+        users_timeline[i] = User.objects.filter(created__range= [after, before]).count()
+        # contact
+        contact_timeline[i] = StatsLog.objects.filter(contact=True, created__range= [after, before]).count()
+        # shopping
+        shopping_timeline[i] = StatsLog.objects.filter(shop=True, created__range= [after, before]).count()
+
     data = {
         'company_count': company_count,
         'product_count': product_count,
         'companies_per_region': companies_per_region,
         'products_per_region': products_per_region,
+        'companies_timeline': companies_timeline,
+        'products_timeline': products_timeline,
+        'users_timeline': users_timeline,
+        'contact_timeline': contact_timeline,
+        'shopping_timeline': shopping_timeline,
     }
+
     return Response(data=data)