Compensation forms refactoring

* splits compensation/forms.py and /modalForms.py into individual files inside new packages
    * general forms stay in new files in compensation/forms
    * modal forms stay in new files in compensation/forms/modals

compensation/forms/modals/compensation_action.py

@@ -0,0 +1,155 @@
+"""
+Author: Michel Peltriaux
+Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
+Contact: ksp-servicestelle@sgdnord.rlp.de
+Created on: 18.08.22
+
+"""
+from dal import autocomplete
+from django import forms
+from django.utils.translation import gettext_lazy as _
+
+from codelist.models import KonovaCode
+from codelist.settings import CODELIST_COMPENSATION_ACTION_ID, CODELIST_COMPENSATION_ACTION_DETAIL_ID
+from intervention.inputs import CompensationActionTreeCheckboxSelectMultiple
+from konova.forms.modals import BaseModalForm, RemoveModalForm
+from konova.utils.message_templates import COMPENSATION_ACTION_EDITED, ADDED_COMPENSATION_ACTION
+
+
+class NewCompensationActionModalForm(BaseModalForm):
+    """ Form handling action related input
+
+    Compensation actions are the actions performed on the area, which shall be compensated. Actions will change the
+    surface of the area, the biotopes, and have an environmental impact. With actions the before-after states can change
+    (not in the process logic in Konova, but in the real world).
+
+    """
+    from compensation.models import UnitChoices
+    action_type = forms.MultipleChoiceField(
+        label=_("Action Type"),
+        label_suffix="",
+        required=True,
+        help_text=_("An action can consist of multiple different action types. All the selected action types are expected to be performed according to the amount and unit below on this form."),
+        choices=[],
+        widget=CompensationActionTreeCheckboxSelectMultiple(),
+    )
+    action_type_details = forms.ModelMultipleChoiceField(
+        label=_("Action Type detail"),
+        label_suffix="",
+        required=False,
+        help_text=_("Select the action type detail"),
+        queryset=KonovaCode.objects.filter(
+            is_archived=False,
+            is_leaf=True,
+            code_lists__in=[CODELIST_COMPENSATION_ACTION_DETAIL_ID],
+        ),
+        widget=autocomplete.ModelSelect2Multiple(
+            url="codes-compensation-action-detail-autocomplete",
+            attrs={
+                "data-placeholder": _("Action Type detail"),
+            }
+        ),
+    )
+    unit = forms.ChoiceField(
+        label=_("Unit"),
+        label_suffix="",
+        required=True,
+        help_text=_("Select the unit"),
+        choices=UnitChoices.choices,
+        widget=forms.Select(
+            attrs={
+                "class": "form-control"
+            }
+        )
+    )
+    amount = forms.DecimalField(
+        label=_("Amount"),
+        label_suffix="",
+        required=True,
+        help_text=_("Insert the amount"),
+        decimal_places=2,
+        min_value=0.00,
+        widget=forms.NumberInput(
+            attrs={
+                "class": "form-control",
+                "placeholder": "0,00",
+            }
+        )
+    )
+    comment = forms.CharField(
+        required=False,
+        label=_("Comment"),
+        label_suffix=_(""),
+        help_text=_("Additional comment"),
+        widget=forms.Textarea(
+            attrs={
+                "rows": 5,
+                "class": "form-control",
+            }
+        )
+    )
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.form_title = _("New action")
+        self.form_caption = _("Insert data for the new action")
+        choices =KonovaCode.objects.filter(
+            code_lists__in=[CODELIST_COMPENSATION_ACTION_ID],
+            is_archived=False,
+            is_leaf=True,
+        ).values_list("id", flat=True)
+        choices = [
+            (choice, choice)
+            for choice in choices
+        ]
+        self.fields["action_type"].choices = choices
+
+    def save(self):
+        action = self.instance.add_action(self)
+        self.instance.mark_as_edited(self.user, self.request, ADDED_COMPENSATION_ACTION)
+        return action
+
+
+class EditCompensationActionModalForm(NewCompensationActionModalForm):
+    action = None
+
+    def __init__(self, *args, **kwargs):
+        self.action = kwargs.pop("action", None)
+        super().__init__(*args, **kwargs)
+        self.form_title = _("Edit action")
+        form_data = {
+            "action_type": list(self.action.action_type.values_list("id", flat=True)),
+            "action_type_details": self.action.action_type_details.all(),
+            "amount": self.action.amount,
+            "unit": self.action.unit,
+            "comment": self.action.comment,
+        }
+        self.load_initial_data(form_data)
+
+    def save(self):
+        action = self.action
+        action.action_type.set(self.cleaned_data.get("action_type", []))
+        action.action_type_details.set(self.cleaned_data.get("action_type_details", []))
+        action.amount = self.cleaned_data.get("amount", None)
+        action.unit = self.cleaned_data.get("unit", None)
+        action.comment = self.cleaned_data.get("comment", None)
+        action.save()
+        self.instance.mark_as_edited(self.user, self.request, edit_comment=COMPENSATION_ACTION_EDITED)
+        return action
+
+
+class RemoveCompensationActionModalForm(RemoveModalForm):
+    """ Removing modal form for CompensationAction
+
+    Can be used for anything, where removing shall be confirmed by the user a second time.
+
+    """
+    action = None
+
+    def __init__(self, *args, **kwargs):
+        action = kwargs.pop("action", None)
+        self.action = action
+        super().__init__(*args, **kwargs)
+
+    def save(self):
+        self.instance.remove_action(self)