EMA

* adds Ema model (basically Compensation inherited)
* adds index view for EMAs
* fixes drop-down link bug for menu 'More' in navbar
* refactors some more forms to use process_request()
* adds modified attribute to BaseResource for easy last_modified check
* adds setting of modified attribute in all places where UserAction.EDITED is added to log
* adds EMA_ACCOUNT_IDENTIFIER_LENGTH and EMA_ACCOUNT_IDENTIFIER_TEMPLATE to ema/settings.py
* adds EmaAdmin to ema/admin.py
* fixes wrong title in intervention detail view html for revocations
* adds support for subtitle variable to BaseTable and generic_index.html
* drops next_version attribute from models
* adds/updates translations
* adds default ordering for UserActionLogEntry
   * removes extra ordering in log modal rendering

ema/tables.py

@@ -0,0 +1,132 @@
+"""
+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.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
+from ema.filters import EmaTableFilter
+from ema.models import Ema
+
+
+class EmaTable(BaseTable):
+    """
+    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",
+    )
+    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="created__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,
+        )
+        super().__init__(request, self.filter, *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:open", args=(record.id,)),
+            txt=value,
+            new_tab=False,
+        )
+        return format_html(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(
+            username=self.user.username
+        ).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)