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Django app for automated billing with an API.

Project description

silver
======

Django automated billing with an API

.. list-table::

* - **Travis** (public)
- .. image:: https://travis-ci.org/silverapp/silver.svg?branch=master
:target: https://travis-ci.org/silverapp/silver
* - **Drone** (private)
- .. image:: https://drone.presslabs.net/api/badges/PressLabs/silver/status.svg?branch=master
:target: https://drone.presslabs.net/PressLabs/silver


Installation
------------

To get the latest stable release from PyPi

.. code-block:: bash

sudo apt-get build-dep python-imaging
pip install django-silver

To get the latest commit from GitHub

.. code-block:: bash

pip install -e git+git://github.com/PressLabs/silver.git#egg=silver

Add ``silver`` to your ``INSTALLED_APPS``

.. code-block:: python

INSTALLED_APPS = (
...,
'silver',
)

Add the ``silver`` URLs to your ``urls.py``

.. code-block:: python

urlpatterns = patterns('',
...
url(r'^silver/', include('silver.urls')),
)

Don't forget to migrate your database

.. code-block:: bash

./manage.py migrate silver


Configuration
-----

For the complete API reference, check the project's wiki: <https://github.com/PressLabs/silver/wiki>.

To run Silver automatically, you will have to setup a cron which calls the ``generate_documents`` Django command.

For creating the PDF templates, Silver uses the built-in templating engine of
Django <https://docs.djangoproject.com/en/1.8/topics/templates/#the-django-template-language>.
The template variables that are available in the context of the template are:

* ``name``
* ``unit``
* ``subscription``
* ``plan``
* ``provider``
* ``customer``
* ``product_code``
* ``start_date``
* ``end_date``
* ``prorated``
* ``proration_percentage``
* ``metered_feature``
* ``context``

For specifying the storage used add the ``SILVER_DOCUMENT_STORAGE`` setting to
your settings file. Example for storing the PDFs on S3:

.. code-block:: python

SILVER_DOCUMENT_STORAGE = (
'storages.backends.s3boto.S3BotoStorage', [], {
'bucket': 'THE-AWS-BUCKET',
'access_key': 'YOUR-AWS-ACCESS-KEY',
'secret_key': 'YOUR-AWS-SECRET-KEY',
'acl': 'private',
'calling_format': 'boto.s3.connection.OrdinaryCallingFormat'
}
)

Other available settings:

* ``SILVER_DEFAULT_DUE_DAYS`` - the default number of days until an invoice is due for payment.
* ``SILVER_DOCUMENT_PREFIX`` - it gets prepended to the path of the saved files.
The default path of the documents is ``{prefix}{company}/{doc_type}/{date}/{filename}``


To add REST hooks to Silver you can install and configure the following packages:

* <https://github.com/PressLabs/django-rest-hooks-ng>
* <https://github.com/PressLabs/django-rest-hooks-delivery>


Getting Started
---------------

1. Create your profile as a service provider.
2. Add your pricing plans to the mix.
3. Import/add your customer list.
4. Create subscriptions for your customers.
5. Create your custom templates using HTML/CSS or use the ones already provided.
6. Setup cron job for generating the invoices automatically.
7. Enjoy. Silver will automatically generate the invoices or proforma invoices based on your providers' configuration.


Contribute
----------

Development of silver happens at http://github.com/PressLabs/silver.

Issues are tracked at http://github.com/PressLabs/silver/issues.

The Python package can be found at https://pypi.python.org/pypi/django-silver/.

You are highly encouraged to contribute with code, tests, documentation or just
sharing experience.

Please see CONTRIBUTING.md for a short guide on how to get started with Silver contributions.

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