added purchase_email endpoint to products views

products/views.py

@@ -1,6 +1,7 @@
 import logging
 import csv
 import datetime
+import json
 
 from django.db.models import Q
 from django.core import serializers
@@ -242,3 +243,63 @@ class CategoryTagAutocomplete(autocomplete.Select2QuerySetView):
             qs = qs.filter(name__icontains=self.q)
 
         return qs       # [x.label for x in qs]
+
+
+@api_view(['POST'])
+def purchase_email(request):
+    """Notify coop manager and user about item purchase
+    """
+
+    data = json.loads(request.body)
+    # check data
+    try:
+        for param in ('email', 'telephone', 'company', 'product', 'comment'):
+            assert(param in data.keys())
+    except:
+        return Response({"error": "Required parameters for anonymous user: email, telephone"}, status=status.HTTP_406_NOT_ACCEPTABLE)
+
+    if request.user.is_anonymous:
+        email = data.get('email')
+    else:
+        email = request.user.email
+    telephone = data.get('telephone')
+
+    # prepare email messages
+    company_message = render_to_string('purchase_notification.html', {
+        'company': instance,
+        'email': request.user.email,
+        'full_name': request.user.full_name,
+        'quantity': data['quantity'],
+        'phone_number': data.get('phone_number'),
+        'comments': data['comments'],
+        'product_info': data['product_info'],
+    })
+    user_message = render_to_string('confirm_company_contact.html', {
+        'company': instance,
+        'username': request.user.full_name,
+        'data': data,
+    })
+    # send email to company
+    subject = "Contacto de usuario"
+    email = EmailMessage(subject, company_message, to=[instance.creator.email])
+    email.send()
+    logging.info(f"Email sent to {instance.creator.email} as manager of {instance.name}")
+    # send confirmation email to user
+    subject = 'Confirmación de contacto'
+    email = EmailMessage(subject, message, to=[request.user.email])
+    email.send()
+    logging.info(f"Contact confirmation email sent to {request.user.email}")
+    stats_data = {
+        'action_object': instance,
+        'user': None,
+        'anonymous': True,
+        'ip_address': client_ip,
+        'geo': g.geos(client_ip),
+        'contact': True,
+        'shop': instance.shop,
+    }
+
+    # email user
+
+    # response
+    return Response()