Document upload

* adds document upload form
* refactors modal form templates into form classes
* adds document upload route to intervention routes of urls.py

intervention/views.py

@@ -9,7 +9,7 @@ from intervention.models import Intervention
 from intervention.tables import InterventionTable
 from konova.contexts import BaseContext
 from konova.decorators import *
-from konova.forms import RemoveForm, SimpleGeomForm
+from konova.forms import RemoveForm, SimpleGeomForm, NewDocumentForm
 
 
 @login_required
@@ -73,6 +73,45 @@ def new_view(request: HttpRequest):
     return render(request, template, context)
 
 
+@login_required
+def new_document_view(request: HttpRequest, id: str):
+    """ Renders a form for uploading new documents
+
+    Args:
+        request (HttpRequest): The incoming request
+        id (str): The intervention's id to which the new document will be related
+    Returns:
+
+    """
+    form = NewDocumentForm(request.POST, request.FILES, user=request.user)
+    template = form.template
+    if request.method == "POST":
+        if form.is_valid():
+            doc = form.save()
+            intervention = get_object_or_404(Intervention, id=id)
+            intervention.documents.add(doc)
+            messages.success(
+                request,
+                _("Document '{}' added").format(doc.title)
+            )
+
+            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
+
+
 @login_required
 def open_view(request: HttpRequest, id: str):
     """ Renders a detail view for viewing an intervention's data