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Building a Retail Application

It's not the intent that normal unprivileged users of an application you build using Substance D ever see the :term:`SDI` management interface. That interface is reserved for privileged users, like you and your staff.

To build a "retail" application, you just use normal Pyramid :term:`view configuration` to associate objects with view logic based on the content types provided to you by Substance D and the content types you've defined.

For example, here's a view that will respond on the root Substance D object and return its SDI title:

from pyramid.view import view_config

@view_config(content_type='Root')
def hello(request):
    html = '<html><head></head><body>Hello from %s!</body></html>'
    request.response.body = html % request.context.sdi_title
    return request.response

Note that we did not use the :class:`substanced.sdi.mgmt_view` decorator. Instead we used the :class:`pyramid.view.view_config` decorator, which will expose the view to normal site visitors, not just those visiting the resource via the :term:`SDI`.

Substance D exposes a :term:`resource tree` that you can hang views from to build your application. You'll want to read up on :term:`traversal` to understand how to associate view configuration with :term:`resource` objects.