basic payment using taler implemented

3 files changed, 85 insertions, 3 deletions

diff --git a/inventory/migrations/0002_auto_20180607_1714.py b/inventory/migrations/0002_auto_20180607_1714.py
new file mode 100644
index 0000000..600d07c
--- /dev/null
+++ b/inventory/migrations/0002_auto_20180607_1714.py
@@ -0,0 +1,29 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('inventory', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='paymentbutton',
+            name='product',
+            field=models.ForeignKey(null=True, to='inventory.Product'),
+        ),
+        migrations.AlterField(
+            model_name='merchant',
+            name='pay_url',
+            field=models.URLField(max_length=250, default='NULL'),
+        ),
+        migrations.AlterField(
+            model_name='order',
+            name='fulfillment_url',
+            field=models.URLField(default='NULL'),
+        ),
+    ]
diff --git a/inventory/models.py b/inventory/models.py
index 21ba7fa..aa8b848 100644
--- a/inventory/models.py
+++ b/inventory/models.py
@@ -90,6 +90,7 @@ class Purchase(models.Model):
 
 class PaymentButton(models.Model):
     """ Design pattern for the payment button are stored in this table. """
+    product = models.ForeignKey(Product, on_delete=models.CASCADE, null=True)
     text = models.CharField(max_length=100, blank=True, null=True)
     font_size = models.CharField(max_length=50, blank=True, null=True)
     color = models.CharField(max_length=50, blank=True, null=True)
diff --git a/inventory/views.py b/inventory/views.py
index 157bf35..a03bf8e 100644
--- a/inventory/views.py
+++ b/inventory/views.py
@@ -11,6 +11,36 @@ from django.shortcuts import get_object_or_404
 from django.contrib.auth.decorators import login_required
 from django.shortcuts import render, redirect
 from django.core.urlresolvers import resolve
+import requests
+
+
+def test(request):
+    return render(request, 'inventory/test.html')
+
+
+def payment(request):
+    # Creating an Order for a Payment
+    order = dict(order=dict(amount="KUDOS:1",
+        summary="test for codeless",
+        instance="default",
+        extra=dict(article_name="test article"),
+        fulfillment_url="https://example.com/thanks.html"))
+    order_resp = requests.post("https://backend.demo.taler.net/order",
+        json=order,
+        headers={"Authorization": "ApiKey sandbox"})
+    order_resp = order_resp.json()
+    order_id = order_resp["order_id"]
+    # Checking Payment Status and Prompting for Payment
+    r = requests.get("https://backend.demo.taler.net/check-payment",
+        params=dict(order_id=order_resp["order_id"]),
+        headers={"Authorization": "ApiKey sandbox"})
+    pay_url = r.json()["payment_redirect_url"]
+    return redirect(pay_url)
+
+
+def update_inventory(name, quantity):
+    product_instance = Product.objects.get(name=name)
+    product_instance.inventory_on_hand = product_instance.inventory_on_hand - quantity
 
 
 @login_required
@@ -24,7 +54,7 @@ def home(request):
         data['name'] = i.name
         data['description'] = i.description
         data['price'] = i.price
-        data['inventory_on_hand'] = i.starting_inventory
+        data['inventory_on_hand'] = i.inventory_on_hand
         data['url'] = '/home/product/' + str(i.product_id)
         array.append(data)
     context_dict['data'] = array
@@ -32,6 +62,21 @@ def home(request):
 
 
 @login_required
+def update_stock(request, uid):
+    product_instance = Product.objects.get(name=uid)
+    product_instance.inventory_on_hand = request.POST.get('stock_updated')
+    product_instance.save()
+    product_instance = Product.objects.get(name=uid)
+    context_dict = {}
+    context_dict['name'] = product_instance.name
+    context_dict['description'] = product_instance.description
+    context_dict['price'] = product_instance.price
+    context_dict['inventory_on_hand'] = product_instance.inventory_on_hand
+    context_dict['url_update_inventory'] = str('/update_stock/') + product_instance.name
+    return render(request, 'inventory/product.html', context_dict)
+
+
+@login_required
 def add_product(request):
     name = request.POST.get('name')
     product_instance = Product.objects.get_or_create(name=name)[0]
@@ -41,6 +86,7 @@ def add_product(request):
     product_instance.price = price
     starting_inventory = request.POST.get('starting_inventory')
     product_instance.starting_inventory = starting_inventory
+    product_instance.inventory_on_hand = starting_inventory
     minimum_required = request.POST.get('minimum_required')
     product_instance.minimum_required = minimum_required
     user_instance = User.objects.get(username=request.user.username)
@@ -54,7 +100,7 @@ def add_product(request):
         data['name'] = i.name
         data['description'] = i.description
         data['price'] = i.price
-        data['inventory_on_hand'] = i.starting_inventory
+        data['inventory_on_hand'] = i.inventory_on_hand
         data['url'] = '/home/product/' + str(i.product_id)
         array.append(data)
     context_dict['data'] = array
@@ -68,11 +114,17 @@ def product(request, uid):
     context_dict['name'] = product_instance.name
     context_dict['description'] = product_instance.description
     context_dict['price'] = product_instance.price
-    context_dict['inventory_on_hand'] = product_instance.starting_inventory
+    context_dict['inventory_on_hand'] = product_instance.inventory_on_hand
+    context_dict['url_update_inventory'] = str('/update_stock/') + product_instance.name
     return render(request, 'inventory/product.html', context_dict)
 
 
 @login_required
+def customize_payment_button(request):
+    return render(request, 'inventory/new_product.html')
+
+
+@login_required
 def new_product(request):
     return render(request, 'inventory/new_product.html')