Document views

* replaces function based views for creating, editing, removing and fetching documents with class based views
    * implemented for all major data types

intervention/views/document.py

@@ -6,107 +6,58 @@ Created on: 19.08.22
 
 """
 from django.contrib.auth.decorators import login_required
-from django.http import HttpRequest
-from django.shortcuts import get_object_or_404
-from django.urls import reverse
-from django.utils.translation import gettext_lazy as _
+from django.utils.decorators import method_decorator
 
 from intervention.forms.modals.document import NewInterventionDocumentModalForm
 from intervention.models import Intervention, InterventionDocument
 from konova.decorators import default_group_required, shared_access_required
 from konova.forms.modals import EditDocumentModalForm
-from konova.utils.documents import get_document, remove_document
-from konova.utils.message_templates import DOCUMENT_ADDED, DOCUMENT_EDITED
+from konova.views.document import AbstractNewDocumentView, AbstractGetDocumentView, AbstractRemoveDocumentView, \
+    AbstractEditDocumentView
 
 
-@login_required
-@default_group_required
-@shared_access_required(Intervention, "id")
-def new_document_view(request: HttpRequest, id: str):
-    """ Renders a form for uploading new documents
+class NewInterventionDocumentView(AbstractNewDocumentView):
+    model = Intervention
+    form = NewInterventionDocumentModalForm
+    redirect_url = "intervention:detail"
 
-    Args:
-        request (HttpRequest): The incoming request
-        id (str): The intervention's id to which the new document will be related
-    Returns:
-
-    """
-    intervention = get_object_or_404(Intervention, id=id)
-    form = NewInterventionDocumentModalForm(request.POST or None, request.FILES or None, instance=intervention, request=request)
-    return form.process_request(
-        request,
-        msg_success=DOCUMENT_ADDED,
-        redirect_url=reverse("intervention:detail", args=(id,)) + "#related_data"
-    )
+    @method_decorator(login_required)
+    @method_decorator(default_group_required)
+    @method_decorator(shared_access_required(Intervention, "id"))
+    def dispatch(self, request, *args, **kwargs):
+        return super().dispatch(request, *args, **kwargs)
 
 
-@login_required
-@default_group_required
-@shared_access_required(Intervention, "id")
-def get_document_view(request: HttpRequest, id: str, doc_id: str):
-    """ Returns the document as downloadable file
+class GetInterventionDocumentView(AbstractGetDocumentView):
+    model = Intervention
+    document_model = InterventionDocument
 
-    Wraps the generic document fetcher function from konova.utils.
-
-    Args:
-        request (HttpRequest): The incoming request
-        id (str): The intervention id
-        doc_id (str): The document id
-
-    Returns:
-
-    """
-    intervention = get_object_or_404(Intervention, id=id)
-    doc = get_object_or_404(InterventionDocument, id=doc_id)
-    return get_document(doc)
+    @method_decorator(login_required)
+    @method_decorator(default_group_required)
+    @method_decorator(shared_access_required(Intervention, "id"))
+    def dispatch(self, request, *args, **kwargs):
+        return super().dispatch(request, *args, **kwargs)
 
 
-@login_required
-@default_group_required
-@shared_access_required(Intervention, "id")
-def remove_document_view(request: HttpRequest, id: str, doc_id: str):
-    """ Removes the document from the database and file system
+class RemoveInterventionDocumentView(AbstractRemoveDocumentView):
+    model = Intervention
+    document_model = InterventionDocument
 
-    Wraps the generic functionality from konova.utils.
-
-    Args:
-        request (HttpRequest): The incoming request
-        id (str): The intervention id
-        doc_id (str): The document id
-
-    Returns:
-
-    """
-    intervention = get_object_or_404(Intervention, id=id)
-    doc = get_object_or_404(InterventionDocument, id=doc_id)
-    return remove_document(
-        request,
-        doc
-    )
+    @method_decorator(login_required)
+    @method_decorator(default_group_required)
+    @method_decorator(shared_access_required(Intervention, "id"))
+    def dispatch(self, request, *args, **kwargs):
+        return super().dispatch(request, *args, **kwargs)
 
 
-@login_required
-@default_group_required
-@shared_access_required(Intervention, "id")
-def edit_document_view(request: HttpRequest, id: str, doc_id: str):
-    """ Removes the document from the database and file system
-
-    Wraps the generic functionality from konova.utils.
-
-    Args:
-        request (HttpRequest): The incoming request
-        id (str): The intervention id
-        doc_id (str): The document id
-
-    Returns:
-
-    """
-    intervention = get_object_or_404(Intervention, id=id)
-    doc = get_object_or_404(InterventionDocument, id=doc_id)
-    form = EditDocumentModalForm(request.POST or None, request.FILES or None, instance=intervention, document=doc, request=request)
-    return form.process_request(
-        request,
-        DOCUMENT_EDITED,
-        redirect_url=reverse("intervention:detail", args=(intervention.id,)) + "#related_data"
-    )
+class EditInterventionDocumentView(AbstractEditDocumentView):
+    model = Intervention
+    document_model = InterventionDocument
+    form = EditDocumentModalForm
+    redirect_url = "intervention:detail"
 
+    @method_decorator(login_required)
+    @method_decorator(default_group_required)
+    @method_decorator(shared_access_required(Intervention, "id"))
+    def dispatch(self, request, *args, **kwargs):
+        return super().dispatch(request, *args, **kwargs)