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/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