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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from inventory.forms import SignUpForm, MerchantDetailForm, LoginForm
from inventory.models import Merchant, Product
from django.contrib.auth.models import User
from django.contrib.auth import authenticate
from django.contrib.auth import login as auth_login
from django.contrib.auth import logout as auth_logout
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
from urllib.parse import urljoin
from django.http import HttpResponse
from django.views.decorators.csrf import csrf_exempt
import json
from django.http import JsonResponse
def test(request):
return render(request, 'inventory/test.html')
@csrf_exempt
def pay(request):
if request.method == 'POST':
body_unicode = request.body.decode('utf-8')
json_data = json.loads(body_unicode)
if json_data is None:
return HttpResponse("no json in body")
r = requests.post("https://backend.demo.taler.net/public/pay",
json=json_data,
headers={"Authorization": "ApiKey sandbox"})
if r.status_code != 200:
return HttpResponse(r.status_code)
return JsonResponse(r.json())
def payment(request):
session_id = request.session.session_key
# Creating an Order for a Payment
order = dict(order=dict(amount="KUDOS:0.1",
summary="codeless",
instance="default",
extra=dict(article_name="test"),
fulfillment_url="https://example.com/thanks.html",
pay_url="http://localhost:8000/payment/pay/",
)
)
order_resp = backend_post("order", order)
# Checking Payment Status and Prompting for Payment
pay_params = dict(
instance="default",
order_id=order_resp["order_id"],
session_id=session_id,
)
pay_status = backend_get("check-payment", pay_params)
payment_redirect_url = pay_status["payment_redirect_url"]
return redirect(payment_redirect_url)
def backend_get(endpoint, params):
headers = {"Authorization": "ApiKey sandbox"}
try:
resp = requests.get(urljoin("https://backend.demo.taler.net/", endpoint),
params=params,
headers=headers)
except requests.ConnectionError:
return HttpResponse("Could not establish connection to backend")
try:
response_json = resp.json()
except ValueError:
return HttpResponse("Could not parse response from backend")
return response_json
def backend_post(endpoint, json):
headers = {"Authorization": "ApiKey sandbox"}
try:
resp_url = urljoin("https://backend.demo.taler.net/", endpoint)
resp = requests.post(resp_url,
json=json,
headers=headers)
except requests.ConnectionError:
return HttpResponse("Could not establish connection to backend")
try:
response_json = resp.json()
except ValueError:
return HttpResponse("Could not parse response from backend")
return response_json
def update_inventory(name, quantity):
product_instance = Product.objects.get(name=name)
inventory_on_hand = product_instance.inventory_on_hand - quantity
product_instance.inventory_on_hand = inventory_on_hand
@login_required
def home(request):
user_instance = User.objects.get(username=request.user.username)
product = Product.objects.filter(user=user_instance)
context_dict = {}
array = []
for i in product:
data = {}
data['name'] = i.name
data['description'] = i.description
data['price'] = i.price
data['inventory_on_hand'] = i.inventory_on_hand
data['url'] = '/home/product/' + str(i.product_id)
array.append(data)
context_dict['data'] = array
return render(request, 'inventory/home.html', context_dict)
@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
url_update_inventory = str('/update_stock/') + product_instance.name
context_dict['url_update_inventory'] = url_update_inventory
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]
description = request.POST.get('description')
product_instance.description = description
price = request.POST.get('price')
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)
product_instance.user = user_instance
product_instance.save()
product = Product.objects.filter(user=user_instance)
context_dict = {}
array = []
for i in product:
data = {}
data['name'] = i.name
data['description'] = i.description
data['price'] = i.price
data['inventory_on_hand'] = i.inventory_on_hand
data['url'] = '/home/product/' + str(i.product_id)
array.append(data)
context_dict['data'] = array
return render(request, 'inventory/home.html', context_dict)
@login_required
def product(request, uid):
product_instance = Product.objects.get_or_create(product_id=uid)[0]
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
url_update_inventory = str('/update_stock/') + product_instance.name
context_dict['url_update_inventory'] = url_update_inventory
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')
def signup(request):
if request.method == 'POST':
form = SignUpForm(request.POST)
details_form = MerchantDetailForm(request.POST)
if form.is_valid():
form.save()
username = form.cleaned_data.get('username')
raw_password = form.cleaned_data.get('password1')
user = authenticate(username=username, password=raw_password)
auth_login(request, user)
instance = get_object_or_404(Merchant, user=user)
if details_form.is_valid():
instance.address = details_form.cleaned_data.get('address')
instance.save()
else:
print("somethings wrong with the form")
# Redirect to a success page.
return redirect('home')
else:
form = SignUpForm()
details_form = MerchantDetailForm()
dictionary = {'form': form, 'details_form': details_form}
return render(request, 'inventory/signup.html', dictionary)
def login(request):
form = LoginForm()
context_dict = {}
context_dict['form'] = form
error_message = ""
if request.method == 'POST':
username = request.POST['username']
password = request.POST['password']
user = authenticate(username=username, password=password)
if user is not None:
auth_login(request, user)
current_url = resolve(request.path_info).url_name
print(current_url)
# Redirect to a success page.
return redirect('home')
else:
error_message = "You are not a registered user please sign up"
form = LoginForm()
context_dict['form'] = form
context_dict['error_message'] = error_message
return render(request, 'inventory/login.html', context_dict)
def logout(request):
auth_logout(request)
return render(request, 'inventory/index.html')
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