import django_tables2 as tables

__all__ = (
    'TenantColumn',
)


class TenantColumn(tables.TemplateColumn):
    """
    Include the tenant description.
    """
    template_code = """
    {% if record.tenant %}
        <a href="{{ record.tenant.get_absolute_url }}" title="{{ record.tenant.description }}">{{ record.tenant }}</a>
    {% elif record.vrf.tenant %}
        <a href="{{ record.vrf.tenant.get_absolute_url }}" title="{{ record.vrf.tenant.description }}">{{ record.vrf.tenant }}</a>*
    {% else %}
        &mdash;
    {% endif %}
    """

    def __init__(self, *args, **kwargs):
        super().__init__(template_code=self.template_code, *args, **kwargs)

    def value(self, value):
        return str(value) if value else None