konova/ema/tables.py

"""
Author: Michel Peltriaux
Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
Contact: michel.peltriaux@sgdnord.rlp.de
Created on: 19.08.21

"""
from django.http import HttpRequest
from django.template.loader import render_to_string
from django.utils.html import format_html
from django.utils.timezone import localtime
from django.utils.translation import gettext_lazy as _
from django.urls import reverse

import django_tables2 as tables

from konova.sub_settings.django_settings import DEFAULT_DATE_TIME_FORMAT
from konova.utils.tables import BaseTable, TableRenderMixin
from ema.filters import EmaTableFilter
from ema.models import Ema


class EmaTable(BaseTable, TableRenderMixin):
    """
    Since EMA and compensation are basically the same, we can reuse CompensationTableFilter and extend the EMA filter
    in the future by inheriting.
    """
    id = tables.Column(
        verbose_name=_("Identifier"),
        orderable=True,
        accessor="identifier",
    )
    t = tables.Column(
        verbose_name=_("Title"),
        orderable=True,
        accessor="title",
    )
    d = tables.Column(
        verbose_name=_("Parcel gmrkng"),
        orderable=True,
        accessor="geometry",
    )
    r = tables.Column(
        verbose_name=_("Recorded"),
        orderable=True,
        empty_values=[],
        accessor="recorded",
    )
    e = tables.Column(
        verbose_name=_("Editable"),
        orderable=True,
        empty_values=[],
        accessor="users",
    )
    lm = tables.Column(
        verbose_name=_("Last edit"),
        orderable=True,
        accessor="modified__timestamp",
    )

    class Meta(BaseTable.Meta):
        template_name = "django_tables2/bootstrap4.html"

    def __init__(self, request: HttpRequest, *args, **kwargs):
        self.title = _("Payment funded compensations")
        self.subtitle = _("EMA explanation")
        self.add_new_url = reverse("ema:new")
        qs = kwargs.get("queryset", None)
        self.filter = EmaTableFilter(
            user=request.user,
            data=request.GET,
            queryset=qs,
        )
        kwargs["queryset"] = self.filter.qs
        super().__init__(request, *args, **kwargs)

    def render_id(self, value, record: Ema):
        """ Renders the id column for a EMA

        Args:
            value (str): The identifier value
            record (EMA): The EMA record

        Returns:

        """
        html = ""
        html += self.render_link(
            tooltip=_("Open {}").format(_("EMA")),
            href=reverse("ema:detail", args=(record.id,)),
            txt=value,
            new_tab=False,
        )
        return format_html(html)

    def render_d(self, value, record: Ema):
        """ Renders the parcel district column for a ema

        Args:
            value (str): The geometry
            record (Ema): The ema record

        Returns:

        """
        parcels = value.parcels.filter(
            parcelintersection__calculated_on__isnull=False,
        ).values_list(
            "gmrkng",
            flat=True
        ).distinct()
        html = render_to_string(
            "table/gmrkng_col.html",
            {
                "entries": parcels
            }
        )
        return html


    def render_r(self, value, record: Ema):
        """ Renders the registered column for a EMA

        Args:
            value (str): The identifier value
            record (Ema): The EMA record

        Returns:

        """
        html = ""
        recorded = value is not None
        tooltip = _("Not recorded yet")
        if recorded:
            value = value.timestamp
            value = localtime(value)
            on = value.strftime(DEFAULT_DATE_TIME_FORMAT)
            tooltip = _("Recorded on {} by {}").format(on, record.recorded.user)
        html += self.render_bookmark(
            tooltip=tooltip,
            icn_filled=recorded,
        )
        return format_html(html)

    def render_e(self, value, record: Ema):
        """ Renders the editable column for a EMA

        Args:
            value (str): The identifier value
            record (Ema): The EMA record

        Returns:

        """
        html = ""
        has_access = value.filter(
            id=self.user.id
        ).exists()

        html += self.render_icn(
            tooltip=_("Full access granted") if has_access else _("Access not granted"),
            icn_class="fas fa-edit rlp-r-inv" if has_access else "far fa-edit",
        )
        return format_html(html)