def save(self):

        if not self.name_per_invoice:

            self.name_per_invoice = self.name

        super(AttendeeProfile, self).save()

    # Things that appear on badge

    name = models.CharField(

        verbose_name="Your name (for your conference nametag)",

        max_length=64,

        help_text="Your name, as you'd like it to appear on your badge. ",

    )

    company = models.CharField(

        max_length=64,

        help_text="The name of your company, as you'd like it on your badge",

        blank=True,

    )

    free_text_1 = models.CharField(

        max_length=64,

        verbose_name="Free text line 1",

        help_text="A line of free text that will appear on your badge. Use "

                  "this for your Twitter handle, IRC nick, your preferred "

                  "pronouns or anything else you'd like people to see on "

                  "your badge.",

    )

    address_suburb = models.CharField(

        verbose_name="City/Town/Suburb",

        max_length=1024,

        blank=True,

    )

    address_postcode = models.CharField(

        verbose_name="Postal/Zip code",

        max_length=1024,

        blank=True,

    )

    country = CountryField(

        default="AU",

    )

    state = models.CharField(

        max_length=256,

        verbose_name="State/Territory/Province",

        help_text="If your Country is Australia, you must list a state.",

        blank=True,

    )

    of_legal_age = models.BooleanField(

        verbose_name="Are you over 18?",

        help_text="Being under 18 will not stop you from attending the "

    )

    dietary_restrictions = models.CharField(

        verbose_name="Food allergies, intolerances, or dietary restrictions",

        max_length=256,

        blank=True,

    )

    accessibility_requirements = models.CharField(

        verbose_name="Accessibility-related requirements",

        max_length=256,

        blank=True,

    )

    gender = models.CharField(

        help_text="Gender data will only be used for demographic purposes.",

        max_length=64,

        blank=True,

    )

    children = models.CharField(

        max_length=256,

        help_text="Linux.conf.au is a family friendly conference and provides "

            "free child-care for pre-school children from 6 months up to 5 years. We "

            "hope to also provide a programme for older children and will let you "

            "know closer to the conference. If you're wanting to bring your children "

            "to LCA, please let us know their age(s) so we can ensure we have "

            "enough spaces available.",

        blank=True

    )

    linux_australia = models.BooleanField(

        verbose_name="Linux Australia membership",

    past_lca = models.ManyToManyField(

        PastEvent,

        verbose_name="Which past linux.conf.au events have you attended?",

        blank=True,

    )

    def first_name(self):

        return wrap(self.name, 15, break_long_words=False)[0]

    def last_name(self):

        names = wrap(self.name, 15, break_long_words=False)

    <form class="form-horizontal" method="GET">

      {{ form | bootstrap}}

      <br/>

      <input class="btn btn-primary" type="submit">

    </form>

  {% endif %}

<hr />

{% for report in reports %}

<h3>{{ report.title }}</h3>

{% if report.headings %}

<table class="table table-striped table-reportdata">

{% else %}

<table class="table table-striped">

{% endif %}

<hr class="my-5" />

{% endfor %}

{% endblock %}

{% block extra_script %}

<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/v/bs4/jszip-2.5.0/dt-1.10.20/b-1.6.0/b-colvis-1.6.0/b-html5-1.6.0/b-print-1.6.0/cr-1.5.2/fc-3.3.0/fh-3.1.6/r-2.2.3/rg-1.1.1/datatables.min.css"/>

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/pdfmake/0.1.36/pdfmake.min.js"></script>

<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/pdfmake/0.1.36/vfs_fonts.js"></script>

<script type="text/javascript" src="https://cdn.datatables.net/v/bs4/jszip-2.5.0/dt-1.10.20/b-1.6.0/b-colvis-1.6.0/b-html5-1.6.0/b-print-1.6.0/cr-1.5.2/fc-3.3.0/fh-3.1.6/r-2.2.3/rg-1.1.1/datatables.min.js"></script>

        value = getattr(profile, field.name)

        if isinstance(field, models.ManyToManyField):

            value = ", ".join(str(i) for i in value.all())

        elif isinstance(field, CharField):

            try:

                value = bleach.clean(str(value))

            except TypeError:

                value = "Bad value for %s" % field.name

        profile_data.append((field.verbose_name, value))

    cart = CartController.for_user(attendee.user)

    try:

        reservation = cart.cart.reservation_duration + cart.cart.time_last_updated

    except AttributeError:  # No reservation_duration set -- default to 24h

        reservation = datetime.datetime.now() + datetime.timedelta(hours=24)

    profile_data.append(("Current cart reserved until", reservation))

    links = []

    links.append((

        reverse(views.badge, args=[user_id]),

        "View badge",

    ))

    links.append((

        reverse(views.amend_registration, args=[user_id]),

        "Amend current cart",

    ))

    links.append((

        reverse(views.extend_reservation, args=[user_id]),

    def display_field(profile, field):

        field_type = AttendeeProfile._meta.get_field(field)

        attr = getattr(profile, field)

        if isinstance(field_type, models.ManyToManyField):

            return [str(i) for i in attr.all()] or ""

        else:

            try:

                return bleach.clean(str(attr))

            except TypeError:

                return "Bad value found for %s" % attr

    headings.extend(field_names)

    data = []

    for item in items:

        profile = by_user[item.cart.user]

        line = [

            item.cart.user.id,

            getattr(profile, name_field),

            profile.attendee.user.email,

            item.product,

            status_display[item.cart.status],

        ] + [

            display_field(profile, field) for field in fields

        ]

        data.append(line)

    output.append(AttendeeListReport(

        "Attendees by item with profile data", headings, data,

        link_view=attendee

    ))

    return output