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[wolnelektury.git] / src / paypal / rest.py

diff --git a/src/paypal/rest.py b/src/paypal/rest.py
index 68ac30f..92752b7 100644 (file)
--- a/src/paypal/rest.py
+++ b/src/paypal/rest.py
@@ -1,4 +1,3 @@
-# -*- coding: utf-8 -*-
 # This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
@@ -7,11 +6,10 @@ from datetime import timedelta
 import paypalrestsdk
 import pytz
 from django.contrib.sites.models import Site
-from django.core.urlresolvers import reverse
+from django.urls import reverse
 from django.utils import timezone
-from paypalrestsdk import BillingPlan, BillingAgreement, ResourceNotFound
 from django.conf import settings
-from .models import BillingPlan as BillingPlanModel
+from .models import BillingPlan, BillingAgreement
 
 paypalrestsdk.configure(settings.PAYPAL_CONFIG)
 
@@ -25,7 +23,7 @@ def absolute_url(url_name):
 
 
 def create_plan(amount):
-    billing_plan = BillingPlan({
+    billing_plan = paypalrestsdk.BillingPlan({
         "name": "Cykliczna darowizna na Wolne Lektury: %s zł" % amount,
         "description": "Cykliczna darowizna na wsparcie Wolnych Lektur",
         "merchant_preferences": {
@@ -55,7 +53,7 @@ def create_plan(amount):
         raise PaypalError(billing_plan.error)
     if not billing_plan.activate():
         raise PaypalError(billing_plan.error)
-    plan, created = BillingPlanModel.objects.get_or_create(amount=amount, defaults={'plan_id': billing_plan.id})
+    plan, created = BillingPlan.objects.get_or_create(amount=amount, defaults={'plan_id': billing_plan.id})
     return plan.plan_id
 
 
@@ -65,17 +63,17 @@ def get_link(links, rel):
             return link.href
 
 
-def create_agreement(amount):
+def create_agreement(amount, app=False):
     try:
-        plan = BillingPlanModel.objects.get(amount=amount)
-    except BillingPlanModel.DoesNotExist:
+        plan = BillingPlan.objects.get(amount=amount)
+    except BillingPlan.DoesNotExist:
         plan_id = create_plan(amount)
     else:
         plan_id = plan.plan_id
     start = (timezone.now() + timedelta(0, 3600*24)).astimezone(pytz.utc).strftime('%Y-%m-%dT%H:%M:%SZ')
-    billing_agreement = BillingAgreement({
+    billing_agreement = paypalrestsdk.BillingAgreement({
         "name": "Subskrypcja klubu WL",
-        "description": "Cykliczne wspieranie Wolnych Lektur kwotą %s złotych" % amount,
+        "description": "Stałe wsparcie Wolnych Lektur kwotą %s złotych" % amount,
         "start_date": start,
         "plan": {
             "id": plan_id,
@@ -84,6 +82,10 @@ def create_agreement(amount):
             "payment_method": "paypal"
         },
     })
+    if app:
+        billing_agreement['override_merchant_preferences'] = {
+            'return_url': absolute_url('paypal_app_return'),
+        }
 
     response = billing_agreement.create()
     if response:
@@ -92,15 +94,15 @@ def create_agreement(amount):
         raise PaypalError(billing_agreement.error)
 
 
-def agreement_approval_url(amount):
-    agreement = create_agreement(amount)
+def agreement_approval_url(amount, app=False):
+    agreement = create_agreement(amount, app=app)
     return get_link(agreement.links, 'approval_url')
 
 
 def get_agreement(agreement_id):
     try:
-        return BillingAgreement.find(agreement_id)
-    except ResourceNotFound:
+        return paypalrestsdk.BillingAgreement.find(agreement_id)
+    except paypalrestsdk.ResourceNotFound:
         return None
 
 
@@ -110,5 +112,10 @@ def check_agreement(agreement_id):
         return a.state == 'Active'
 
 
+def user_is_subscribed(user):
+    agreements = BillingAgreement.objects.filter(user=user)
+    return any(agreement.check_agreement() for agreement in agreements)
+
+
 def execute_agreement(token):
-    return BillingAgreement.execute(token)
+    return paypalrestsdk.BillingAgreement.execute(token)