Source code for ferrosoft.apps.ferrobase.tables.table

#  Copyright (c) 2025 Ferrosoft GmbH. All rights reserved.
import django_tables2 as tables2




class Table(tables2.Table):
    """Base table class that adapts to the responsive UI and permission state.

    On render the table strips its ``fixed-layout`` CSS class in portrait/UI
    mode and removes the first visible column's link when the current user
    lacks ``UPDATE`` permission on the model.
    """



    def before_render(self, request):
        """Apply responsive layout tweaks and permission-driven unlinkification.

        Args:
            request: The current HTTP request. ``None`` skips the responsive
                check; permission resolution still runs against the global
                permission registry.
        """
        from ferrosoft.apps.ferrobase.views.generic import Permissions, Verb

        if (
            request is not None
            and request.GET.get("ui", "") == "portrait"
            and "class" in self.attrs
        ):
            # Remove fixed-layout from class attribute, because it does not play nice in vertical UI layout.
            self.attrs["class"] = self.attrs["class"].replace("fixed-layout", "")

        # Usually the first column is linkified, pointing to model update page.
        # Check permission and unlinkify if necessary.
        first_col = next(self.columns.itervisible())
        if (
            first_col is not None
            and first_col.link is not None
            and not Permissions.allowed(request, self._meta.model, Verb.UPDATE)
        ):
            first_col.link = None