How to setup easypaisa with django.

1. pip install git+https://github.com/qasimgulzar/easypaisa_module
2. add django_easypaisa in INSTALLED_APPS
    `INSTALLED_APPS = [
        'django.contrib.admin',
        'django.contrib.auth',
        'django.contrib.contenttypes',
        'django.contrib.sessions',
        'django.contrib.messages',
        'django.contrib.staticfiles',
        'main',
        'rest_framework',
        'django_easypaisa'
    ]`
3. add django-easypaisa urls to your application's urls file
    url(r'^payments/', include('django_easypaisa.urls', namespace='django_easypaisa'))
4. set parameters settings
    STORE_ID=os.environ.get("STORE_ID",None) ###you will get store id easypaisa's merchant portal.
    PAYMEN_TEMPLATE='index.html' ###set payment confirmation template which will also post data t easypaisa's server for first redirection.
    PAY_TEMPLATE='pay.html' ### set template for second redirection which will post auth_token to easypaisa for second redirection.
    EASYPAISA_POST_BACK_URL=os.environ.get('EASYPAISA_POST_BACK_URL','https://easypaisa-tutorial.herokuapp.com/payments/postbackhandler/')
    EASYPAISA_SERVER_URL=os.environ.get('EASYPAISA_SERVER_URL','https://easypaystg.easypaisa.com.pk')
    PAYMENT_COMPLETION_REDIRECT_TO_URL='/' # set redirect url.
4.5 export STORE_ID=<your-store-id>
5. Make migrations `python manage.py makemigrations` 
6. Run migrations `python manage.py migrate`

4.1 Content for PAYMEN_TEMPLATE

```html
        <form action="{{ EASYPAISA_SERVER_URL }}/easypay/Index.jsf " method="POST" target="_blank">
                    <! -- Store Id Provided by Easypay-->
                    <input name="storeId" value="2785" hidden = "true"/>
                    <! -- Amount of Transaction from merchant’s website -->
                    <input name="amount" value="10" hidden = "true"/>
                    <! – Post back URL from merchant’s website -- >
                    <input name="postBackURL" value="{{ postBackURL }}" hidden = "true"/>
                    <! – Order Reference Number from merchant’s website -- >
                    <input name="orderRefNum" value="1212"/>
                    <! – Expiry Date from merchant’s website -- >
            {#        <input type ="hidden" name="expiryDate" value="20140606 201521">#}
                    <! – This is the button of the form which submits the form -- >
                    <input type = "image" src="checkout-button-with-logo.png" border="0" name= "pay">
            </form>
```

4.2 Content for PAY_TEMPLATE

```html
    <form action="{{ EASYPAISA_SERVER_URL }}/easypay/Confirm.jsf " method="POST" target="_blank">
            <input name="auth_token" value="{{ auth_token }}" hidden="true"/>
            <input name="postBackURL" value="{{ postBackURL }}" hidden="true"/>
            <input value="confirm" type="submit" name="pay"/>
    </form>
```

How to setup tutorial project.

git clone https://github.com/qasimgulzar/django-easypaisa-tutorial.git
cd django-easypaisa-tutorial
pip install -r requirements.txt
export DJANGO_SETTINGS_MODULE=easypaisa.settings on linux
set DJANGO_SETTINGS_MODULE=easypaisa.settings if you are using windows

python manage.py migrate

python manage.py runserver