Payments add modal form

* adds modal form for adding payments
* generalizes generic_table_form.html for table-form-like usage in modal_form.html
* adds css enhancements for focused input fields
* adds BaseModalForm as specification to BaseForm, which inherits the BSModalForm class as well
* adds translations

compensation/forms.py

@@ -5,10 +5,60 @@ Contact: michel.peltriaux@sgdnord.rlp.de
 Created on: 04.12.20
 
 """
-from konova.forms import BaseForm
+from django import forms
+from django.db import transaction
+from django.utils.translation import gettext_lazy as _
+
+from compensation.models import Payment
+from konova.forms import BaseForm, BaseModalForm
 
 
 class NewCompensationForm(BaseForm):
 
     def __init__(self, *args, **kwargs):
-        super().__init__(*args, **kwargs)
+        super().__init__(*args, **kwargs)
+
+
+class NewPaymentForm(BaseModalForm):
+    amount = forms.FloatField(
+        min_value=0.01,
+        label=_("Amount"),
+        label_suffix=_(""),
+    )
+    due = forms.DateField(
+        required=False,
+        label=_("Due on"),
+        label_suffix=_(""),
+        widget=forms.DateInput(
+            attrs={
+                "type": "date",
+                "data-provide": "datepicker",
+            },
+            format="%d.%m.%Y"
+        )
+    )
+    transfer_note = forms.CharField(
+        max_length=1000,
+        required=False,
+        label_suffix=_(""),
+        label=_("Transfer note")
+    )
+
+    def __init__(self, *args, **kwargs):
+        self.user = kwargs.pop("request", None).user
+        self.intervention = kwargs.pop("intervention", None)
+        super().__init__(*args, **kwargs)
+
+        self.form_title = _("Payment")
+        self.form_caption = _("Add a payment for intervention '{}'").format(self.intervention.title)
+
+    def save(self):
+        with transaction.atomic():
+            pay = Payment.objects.create(
+                created_by=self.user,
+                amount=self.cleaned_data.get("amount", -1),
+                due_on=self.cleaned_data.get("due", None),
+                comment=self.cleaned_data.get("transfer_note", None),
+                intervention=self.intervention,
+            )
+            return pay

compensation/urls.py

@@ -19,7 +19,7 @@ urlpatterns = [
     path('<id>/remove', remove_view, name='remove'),
 
     # Payment
-    path('pay/new', new_view, name='pay-new'),
+    path('pay/<intervention_id>/new', new_payment_view, name='pay-new'),
     path('pay/<id>', open_view, name='pay-open'),
     path('pay/<id>/edit', edit_view, name='pay-edit'),
     path('pay/<id>/remove', remove_view, name='pay-remove'),

compensation/views.py

@@ -1,9 +1,12 @@
 from django.contrib.auth.decorators import login_required
 from django.http import HttpRequest
-from django.shortcuts import render
+from django.shortcuts import render, get_object_or_404
+from django.utils.translation import gettext_lazy as _
 
+from compensation.forms import NewPaymentForm
 from compensation.models import Compensation, EcoAccount
 from compensation.tables import CompensationTable, EcoAccountTable
+from intervention.models import Intervention
 from konova.contexts import BaseContext
 from konova.decorators import *
 
@@ -108,3 +111,41 @@ def account_open_view(request: HttpRequest, id: str):
 def account_remove_view(request: HttpRequest, id: str):
     # ToDo
     pass
+
+
+@login_required
+def new_payment_view(request: HttpRequest, intervention_id: str):
+    """ Renders a modal view for adding new payments
+
+    Args:
+        request (HttpRequest): The incoming request
+        intervention_id (str): The intervention's id for which a new payment shall be added
+
+    Returns:
+
+    """
+    template = "modal/modal_form.html"
+    intervention = get_object_or_404(Intervention, id=intervention_id)
+    form = NewPaymentForm(request.POST or None, intervention=intervention, request=request)
+    if request.method == "POST":
+        if form.is_valid():
+            payment = form.save()
+            messages.success(
+                request,
+                _("Payment added")
+            )
+            return redirect(request.META.get("HTTP_REFERER", "home"))
+        else:
+            messages.info(
+                request,
+                _("There was an error on this form.")
+            )
+            return redirect(request.META.get("HTTP_REFERER", "home"))
+    elif request.method == "GET":
+        context = {
+            "form": form,
+        }
+        context = BaseContext(request, context).context
+        return render(request, template, context)
+    else:
+        raise NotImplementedError