Intervention revocation

* adds Revocation model to interventions/models.py
* adds revocations to interventions detail view
* fixes duplicated ids in html includes
* refactors controls for detail view into included template files (controls.html)
* reduces max length for payment transfer notes from 1000 to 200
* adds RevocationAdmin to intervention/admin.py
* adds new form for adding a Revocation to an intervention's legal_data
  * only one revocation per intervention possible
  * removes add button in case of an existing revocation
* adds revocation routes to intervention app
* renames document field in Document model into file for more clarity
* adds/updates translations

intervention/forms.py

@@ -14,7 +14,7 @@ from django.db import transaction
 from django.urls import reverse
 from django.utils.translation import gettext_lazy as _
 
-from intervention.models import Intervention
+from intervention.models import Intervention, Revocation
 from konova.forms import BaseForm, BaseModalForm
 from konova.models import Document
 from konova.settings import DEFAULT_LAT, DEFAULT_LON, DEFAULT_ZOOM, ZB_GROUP, ETS_GROUP
@@ -315,3 +315,71 @@ class ShareInterventionForm(BaseModalForm):
             id__in=self.cleaned_data["users"]
         )
         self.instance.users.set(accessing_users)
+
+
+class NewRevocationForm(BaseModalForm):
+    date = forms.DateField(
+        label=_("Date"),
+        label_suffix=_(""),
+        help_text=_("Date of revocation"),
+        widget=forms.DateInput(
+            attrs={
+                "type": "date",
+                "data-provide": "datepicker",
+            },
+            format="%d.%m.%Y"
+        )
+    )
+    file = forms.FileField(
+        label=_("Document"),
+        label_suffix=_(""),
+        help_text=_("Must be smaller than 15 Mb"),
+        widget=forms.FileInput(
+            attrs={
+                "class": "w-75"
+            }
+        )
+    )
+    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,
+            }
+        )
+    )
+
+    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):
+        with transaction.atomic():
+            user_action = UserActionLogEntry.objects.create(
+                user=self.user,
+                action=UserAction.CREATED
+            )
+            document = Document.objects.create(
+                title="revocation_of_{}".format(self.instance.identifier),
+                date_of_creation=self.cleaned_data["date"],
+                comment=self.cleaned_data["comment"],
+                file=self.cleaned_data["file"],
+            )
+            revocation = Revocation.objects.create(
+                date=self.cleaned_data["date"],
+                comment=self.cleaned_data["comment"],
+                document=document,
+                created=user_action,
+            )
+            self.instance.legal.revocation = revocation
+            self.instance.legal.save()
+        return revocation