Intervention forms

* refactors intervention/forms and ../modalForms into individual files in separated packages
    * forms.py has been renamed into intervention.py, now can be found as intervention/forms/intervention.py
    * modalForms.py has been split into individual files living in modals package, can be found as intervention/forms/modals/...

intervention/forms/modals/revocation.py

@@ -0,0 +1,110 @@
+"""
+Author: Michel Peltriaux
+Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
+Contact: ksp-servicestelle@sgdnord.rlp.de
+Created on: 18.08.22
+
+"""
+from django import forms
+from django.core.exceptions import ObjectDoesNotExist
+from django.utils.translation import gettext_lazy as _
+
+from intervention.models import RevocationDocument
+from konova.forms.modals import BaseModalForm, RemoveModalForm
+from konova.utils.message_templates import REVOCATION_ADDED, REVOCATION_EDITED
+
+
+class NewRevocationModalForm(BaseModalForm):
+    date = forms.DateField(
+        label=_("Date"),
+        label_suffix=_(""),
+        help_text=_("Date of revocation"),
+        widget=forms.DateInput(
+            attrs={
+                "type": "date",
+                "data-provide": "datepicker",
+                "class": "form-control",
+            },
+            format="%d.%m.%Y"
+        )
+    )
+    file = forms.FileField(
+        label=_("Document"),
+        label_suffix=_(""),
+        required=False,
+        help_text=_("Must be smaller than 15 Mb"),
+        widget=forms.FileInput(
+            attrs={
+                "class": "form-control-file"
+            }
+        )
+    )
+    comment = forms.CharField(
+        required=False,
+        max_length=200,
+        label=_("Comment"),
+        label_suffix=_(""),
+        help_text=_("Additional comment, maximum {} letters").format(200),
+        widget=forms.Textarea(
+            attrs={
+                "cols": 30,
+                "rows": 5,
+                "class": "form-control",
+            }
+        )
+    )
+    document_model = RevocationDocument
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.form_title = _("Add revocation")
+        self.form_caption = ""
+        self.form_attrs = {
+            "enctype": "multipart/form-data",  # important for file upload
+        }
+
+    def save(self):
+        revocation = self.instance.add_revocation(self)
+        self.instance.mark_as_edited(self.user, self.request, edit_comment=REVOCATION_ADDED)
+        return revocation
+
+
+class EditRevocationModalForm(NewRevocationModalForm):
+    revocation = None
+
+    def __init__(self, *args, **kwargs):
+        self.revocation = kwargs.pop("revocation", None)
+        super().__init__(*args, **kwargs)
+        self.form_title = _("Edit revocation")
+        try:
+            doc = self.revocation.document.file
+        except ObjectDoesNotExist:
+            doc = None
+        form_data = {
+            "date": str(self.revocation.date),
+            "file": doc,
+            "comment": self.revocation.comment,
+        }
+        self.load_initial_data(form_data)
+
+    def save(self):
+        revocation = self.instance.edit_revocation(self)
+        self.instance.mark_as_edited(self.user, self.request, edit_comment=REVOCATION_EDITED)
+        return revocation
+
+
+class RemoveRevocationModalForm(RemoveModalForm):
+    """ Removing modal form for Revocation
+
+    Can be used for anything, where removing shall be confirmed by the user a second time.
+
+    """
+    revocation = None
+
+    def __init__(self, *args, **kwargs):
+        revocation = kwargs.pop("revocation", None)
+        self.revocation = revocation
+        super().__init__(*args, **kwargs)
+
+    def save(self):
+        self.instance.remove_revocation(self)