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

compensation/tables.py

@@ -5,7 +5,6 @@ Contact: michel.peltriaux@sgdnord.rlp.de
 Created on: 01.12.20
 
 """
-from django.db.models import Sum
 from django.http import HttpRequest
 from django.template.loader import render_to_string
 from django.urls import reverse
@@ -15,7 +14,6 @@ from django.utils.translation import gettext_lazy as _
 
 from compensation.filters import CompensationTableFilter, EcoAccountTableFilter
 from compensation.models import Compensation, EcoAccount
-from intervention.filters import InterventionTableFilter
 from konova.sub_settings.django_settings import DEFAULT_DATE_TIME_FORMAT
 from konova.utils.tables import BaseTable
 import django_tables2 as tables
@@ -53,7 +51,7 @@ class CompensationTable(BaseTable):
     lm = tables.Column(
         verbose_name=_("Last edit"),
         orderable=True,
-        accessor="created__timestamp",
+        accessor="modified__timestamp",
     )
 
     class Meta(BaseTable.Meta):
@@ -126,21 +124,21 @@ class CompensationTable(BaseTable):
 
         """
         html = ""
-        checked = value is not None
+        recorded = value is not None
         tooltip = _("Not recorded yet")
-        if checked:
+        if recorded:
             value = value.timestamp
             value = localtime(value)
             on = value.strftime(DEFAULT_DATE_TIME_FORMAT)
             tooltip = _("Recorded on {} by {}").format(on, record.intervention.recorded.user)
         html += self.render_bookmark(
             tooltip=tooltip,
-            icn_filled=checked,
+            icn_filled=recorded,
         )
         return format_html(html)
 
     def render_e(self, value, record: Compensation):
-        """ Renders the registered column for a compensation
+        """ Renders the editable column for a compensation
 
         Args:
             value (str): The identifier value
@@ -192,7 +190,7 @@ class EcoAccountTable(BaseTable):
     lm = tables.Column(
         verbose_name=_("Last edit"),
         orderable=True,
-        accessor="created__timestamp",
+        accessor="modified__timestamp",
     )
 
     class Meta(BaseTable.Meta):