# Report view refactoring

* refactors function based report views into class based for EIV, OEK, EMA, KOM
* introduces BaseReportView for proper inheritance of shared logic
* refactors generating of qr codes into proper class

compensation/urls/compensation.py

@@ -10,21 +10,21 @@ from django.urls import path
 from compensation.views.compensation.document import EditCompensationDocumentView, NewCompensationDocumentView, \
     GetCompensationDocumentView, RemoveCompensationDocumentView
 from compensation.views.compensation.resubmission import CompensationResubmissionView
-from compensation.views.compensation.report import report_view
+from compensation.views.compensation.report import CompensationReportView
 from compensation.views.compensation.deadline import NewCompensationDeadlineView, EditCompensationDeadlineView, \
     RemoveCompensationDeadlineView
 from compensation.views.compensation.action import NewCompensationActionView, EditCompensationActionView, \
     RemoveCompensationActionView
 from compensation.views.compensation.state import NewCompensationStateView, EditCompensationStateView, \
     RemoveCompensationStateView
-from compensation.views.compensation.compensation import index_view, new_view, new_id_view, detail_view, edit_view, \
+from compensation.views.compensation.compensation import new_view, detail_view, edit_view, \
-    remove_view
+    remove_view, CompensationIndexView, CompensationIdentifierGeneratorView
 from compensation.views.compensation.log import CompensationLogView
 
 urlpatterns = [
     # Main compensation
-    path("", index_view, name="index"),
+    path("", CompensationIndexView.as_view(), name="index"),
-    path('new/id', new_id_view, name='new-id'),
+    path('new/id', CompensationIdentifierGeneratorView.as_view(), name='new-id'),
     path('new/<intervention_id>', new_view, name='new'),
     path('new', new_view, name='new'),
     path('<id>', detail_view, name='detail'),
@@ -43,7 +43,7 @@ urlpatterns = [
     path('<id>/deadline/new', NewCompensationDeadlineView.as_view(), name="new-deadline"),
     path('<id>/deadline/<deadline_id>/edit', EditCompensationDeadlineView.as_view(), name='deadline-edit'),
     path('<id>/deadline/<deadline_id>/remove', RemoveCompensationDeadlineView.as_view(), name='deadline-remove'),
-    path('<id>/report', report_view, name='report'),
+    path('<id>/report', CompensationReportView.as_view(), name='report'),
     path('<id>/resub', CompensationResubmissionView.as_view(), name='resubmission-create'),
 
     # Documents

compensation/urls/eco_account.py

@@ -8,11 +8,11 @@ Created on: 24.08.21
 from django.urls import path
 
 from compensation.autocomplete.eco_account import EcoAccountAutocomplete
-from compensation.views.eco_account.eco_account import index_view, new_view, new_id_view, edit_view, remove_view, \
+from compensation.views.eco_account.eco_account import new_view, edit_view, remove_view, \
-    detail_view
+    detail_view, EcoAccountIndexView, EcoAccountIdentifierGeneratorView
 from compensation.views.eco_account.log import EcoAccountLogView
 from compensation.views.eco_account.record import EcoAccountRecordView
-from compensation.views.eco_account.report import report_view
+from compensation.views.eco_account.report import EcoAccountReportView
 from compensation.views.eco_account.resubmission import EcoAccountResubmissionView
 from compensation.views.eco_account.state import NewEcoAccountStateView, EditEcoAccountStateView, \
     RemoveEcoAccountStateView
@@ -28,13 +28,13 @@ from compensation.views.eco_account.deduction import NewEcoAccountDeductionView,
 
 app_name = "acc"
 urlpatterns = [
-    path("", index_view, name="index"),
+    path("", EcoAccountIndexView.as_view(), name="index"),
     path('new/', new_view, name='new'),
-    path('new/id', new_id_view, name='new-id'),
+    path('new/id', EcoAccountIdentifierGeneratorView.as_view(), name='new-id'),
     path('<id>', detail_view, name='detail'),
     path('<id>/log', EcoAccountLogView.as_view(), name='log'),
     path('<id>/record', EcoAccountRecordView.as_view(), name='record'),
-    path('<id>/report', report_view, name='report'),
+    path('<id>/report', EcoAccountReportView.as_view(), name='report'),
     path('<id>/edit', edit_view, name='edit'),
     path('<id>/remove', remove_view, name='remove'),
     path('<id>/resub', EcoAccountResubmissionView.as_view(), name='resubmission-create'),

compensation/views/compensation/compensation.py

@@ -7,8 +7,8 @@ Created on: 19.08.22
 """
 from django.contrib import messages
 from django.contrib.auth.decorators import login_required
+from django.contrib.auth.mixins import LoginRequiredMixin
 from django.core.exceptions import ObjectDoesNotExist
-from django.db.models import Sum
 from django.http import HttpRequest, JsonResponse
 from django.shortcuts import get_object_or_404, render, redirect
 from django.urls import reverse
@@ -28,37 +28,21 @@ from konova.sub_settings.context_settings import TAB_TITLE_IDENTIFIER
 from konova.utils.message_templates import COMPENSATION_REMOVED_TEMPLATE, DATA_CHECKED_PREVIOUSLY_TEMPLATE, \
     RECORDED_BLOCKS_EDIT, CHECK_STATE_RESET, FORM_INVALID, PARAMS_INVALID, IDENTIFIER_REPLACED, \
     COMPENSATION_ADDED_TEMPLATE, DO_NOT_FORGET_TO_SHARE, GEOMETRY_SIMPLIFIED, GEOMETRIES_IGNORED_TEMPLATE
+from konova.views.base import BaseIndexView, BaseIdentifierGeneratorView
 
 
-@login_required
+class CompensationIndexView(LoginRequiredMixin, BaseIndexView):
-@any_group_check
+    _TAB_TITLE = _("Compensations - Overview")
-def index_view(request: HttpRequest):
+    _INDEX_TABLE_CLS = CompensationTable
-    """
-    Renders the index view for compensation
 
-    Args:
+    def _get_queryset(self):
-        request (HttpRequest): The incoming request
+        qs = Compensation.objects.filter(
-
-    Returns:
-        A rendered view
-    """
-    template = "generic_index.html"
-    compensations = Compensation.objects.filter(
             deleted=None,  # only show those which are not deleted individually
             intervention__deleted=None,  # and don't show the ones whose intervention has been deleted
         ).order_by(
             "-modified__timestamp"
         )
-    table = CompensationTable(
+        return qs
-        request=request,
-        queryset=compensations
-    )
-    context = {
-        "table": table,
-        TAB_TITLE_IDENTIFIER: _("Compensations - Overview"),
-    }
-    context = BaseContext(request, context).context
-    return render(request, template, context)
 
 
 @login_required
@@ -131,23 +115,9 @@ def new_view(request: HttpRequest, intervention_id: str = None):
     return render(request, template, context)
 
 
-@login_required
+class CompensationIdentifierGeneratorView(LoginRequiredMixin, BaseIdentifierGeneratorView):
-@default_group_required
+    _MODEL_CLS = Compensation
-def new_id_view(request: HttpRequest):
+    _REDIRECT_URL = "compensation:index"
-    """ JSON endpoint
-
-    Provides fetching of free identifiers for e.g. AJAX calls
-
-    """
-    tmp = Compensation()
-    identifier = tmp.generate_new_identifier()
-    while Compensation.objects.filter(identifier=identifier).exists():
-        identifier = tmp.generate_new_identifier()
-    return JsonResponse(
-        data={
-            "gen_data": identifier
-        }
-    )
 
 
 @login_required

compensation/views/compensation/report.py

@@ -5,77 +5,48 @@ Contact: ksp-servicestelle@sgdnord.rlp.de
 Created on: 19.08.22
 
 """
-from django.http import HttpRequest
-from django.shortcuts import get_object_or_404, render
 from django.urls import reverse
-from django.utils.translation import gettext_lazy as _
 
 from compensation.models import Compensation
-from konova.contexts import BaseContext
+from konova.sub_settings.django_settings import BASE_URL
-from konova.decorators import uuid_required
+from konova.utils.qrcode import QrCode
-from konova.forms import SimpleGeomForm
+from konova.views.report import BaseReportView
-from konova.sub_settings.context_settings import TAB_TITLE_IDENTIFIER
-from konova.utils.generators import generate_qr_code
 
-@uuid_required
-def report_view(request: HttpRequest, id: str):
-    """ Renders the public report view
-
-    Args:
-        request (HttpRequest): The incoming request
-        id (str): The id of the intervention
-
-    Returns:
-
-    """
-    # Reuse the compensation report template since compensations are structurally identical
-    template = "compensation/report/compensation/report.html"
-    comp = get_object_or_404(Compensation, id=id)
-
-    tab_title = _("Report {}").format(comp.identifier)
-    # If intervention is not recorded (yet or currently) we need to render another template without any data
-    if not comp.is_ready_for_publish():
-        template = "report/unavailable.html"
-        context = {
-            TAB_TITLE_IDENTIFIER: tab_title,
-        }
-        context = BaseContext(request, context).context
-        return render(request, template, context)
-
-    # Prepare data for map viewer
-    geom_form = SimpleGeomForm(
-        instance=comp
-    )
-    parcels = comp.get_underlying_parcels()
-
-    qrcode_url = request.build_absolute_uri(reverse("compensation:report", args=(id,)))
-    qrcode_img = generate_qr_code(qrcode_url, 10)
-    qrcode_lanis_url = comp.get_LANIS_link()
-    qrcode_img_lanis = generate_qr_code(qrcode_lanis_url, 7)
 
+class BaseCompensationReportView(BaseReportView):
+    def _get_compensation_report_context(self, obj):
         # Order states by surface
-    before_states = comp.before_states.all().order_by("-surface").prefetch_related("biotope_type")
+        before_states = obj.before_states.all().order_by("-surface").prefetch_related("biotope_type")
-    after_states = comp.after_states.all().order_by("-surface").prefetch_related("biotope_type")
+        after_states = obj.after_states.all().order_by("-surface").prefetch_related("biotope_type")
-    actions = comp.actions.all().prefetch_related("action_type")
+        actions = obj.actions.all().prefetch_related("action_type")
 
-    context = {
+        return {
-        "obj": comp,
-        "qrcode": {
-            "img": qrcode_img,
-            "url": qrcode_url,
-        },
-        "qrcode_lanis": {
-            "img": qrcode_img_lanis,
-            "url": qrcode_lanis_url,
-        },
-        "is_entry_shared": False,  # disables action buttons during rendering
             "before_states": before_states,
             "after_states": after_states,
-        "geom_form": geom_form,
-        "parcels": parcels,
             "actions": actions,
-        "tables_scrollable": False,
-        TAB_TITLE_IDENTIFIER: tab_title,
         }
-    context = BaseContext(request, context).context
+
-    return render(request, template, context)
+
+class CompensationReportView(BaseCompensationReportView):
+    _MODEL = Compensation
+    _TEMPLATE = "compensation/report/compensation/report.html"
+
+    def _get_report_context(self, obj):
+        report_url = BASE_URL + reverse("compensation:report", args=(obj.id,))
+        qrcode_report = QrCode(report_url, 10)
+        qrcode_lanis = QrCode(obj.get_LANIS_link(), 7)
+
+        report_context = {
+            "qrcode": {
+                "img": qrcode_report.get_img(),
+                "url": qrcode_report.get_content(),
+            },
+            "qrcode_lanis": {
+                "img": qrcode_lanis.get_img(),
+                "url": qrcode_lanis.get_content(),
+            },
+            "is_entry_shared": False,  # disables action buttons during rendering
+            "tables_scrollable": False,
+        }
+        report_context.update(self._get_compensation_report_context(obj))
+        return report_context

compensation/views/eco_account/deduction.py

@@ -5,54 +5,28 @@ Contact: ksp-servicestelle@sgdnord.rlp.de
 Created on: 19.08.22
 
 """
-from django.contrib.auth.decorators import login_required
+from django.contrib.auth.mixins import LoginRequiredMixin
 from django.http import Http404
-from django.utils.decorators import method_decorator
 
 from compensation.models import EcoAccount
-from konova.decorators import default_group_required, login_required_modal
 from konova.views.deduction import AbstractNewDeductionView, AbstractEditDeductionView, AbstractRemoveDeductionView
 
 
-class NewEcoAccountDeductionView(AbstractNewDeductionView):
+class NewEcoAccountDeductionView(LoginRequiredMixin, AbstractNewDeductionView):
-    model = EcoAccount
+    _MODEL = EcoAccount
-    redirect_url = "compensation:acc:detail"
+    _REDIRECT_URL = "compensation:acc:detail"
-
-    @method_decorator(login_required_modal)
-    @method_decorator(login_required)
-    @method_decorator(default_group_required)
-    def dispatch(self, request, *args, **kwargs):
-        return super().dispatch(request, *args, **kwargs)
 
     def _custom_check(self, obj):
+        # New deductions can only be created if the eco account has been recorded
         if not obj.recorded:
             raise Http404()
 
 
-class EditEcoAccountDeductionView(AbstractEditDeductionView):
+class EditEcoAccountDeductionView(LoginRequiredMixin, AbstractEditDeductionView):
-    def _custom_check(self, obj):
+    _MODEL = EcoAccount
-        pass
+    _REDIRECT_URL = "compensation:acc:detail"
-
-    model = EcoAccount
-    redirect_url = "compensation:acc:detail"
-
-    @method_decorator(login_required_modal)
-    @method_decorator(login_required)
-    @method_decorator(default_group_required)
-    def dispatch(self, request, *args, **kwargs):
-        return super().dispatch(request, *args, **kwargs)
 
 
-class RemoveEcoAccountDeductionView(AbstractRemoveDeductionView):
+class RemoveEcoAccountDeductionView(LoginRequiredMixin, AbstractRemoveDeductionView):
-    def _custom_check(self, obj):
+    _MODEL = EcoAccount
-        pass
+    _REDIRECT_URL = "compensation:acc:detail"
-
-    model = EcoAccount
-    redirect_url = "compensation:acc:detail"
-
-    @method_decorator(login_required_modal)
-    @method_decorator(login_required)
-    @method_decorator(default_group_required)
-    def dispatch(self, request, *args, **kwargs):
-        return super().dispatch(request, *args, **kwargs)
-

compensation/views/eco_account/eco_account.py

@@ -7,7 +7,7 @@ Created on: 19.08.22
 """
 from django.contrib import messages
 from django.contrib.auth.decorators import login_required
-from django.db.models import Sum
+from django.contrib.auth.mixins import LoginRequiredMixin
 from django.http import HttpRequest, JsonResponse
 from django.shortcuts import get_object_or_404, redirect, render
 from django.urls import reverse
@@ -24,36 +24,20 @@ from konova.settings import ETS_GROUP, DEFAULT_GROUP, ZB_GROUP
 from konova.sub_settings.context_settings import TAB_TITLE_IDENTIFIER
 from konova.utils.message_templates import CANCEL_ACC_RECORDED_OR_DEDUCTED, RECORDED_BLOCKS_EDIT, FORM_INVALID, \
     IDENTIFIER_REPLACED, DO_NOT_FORGET_TO_SHARE, GEOMETRY_SIMPLIFIED, GEOMETRIES_IGNORED_TEMPLATE
+from konova.views.base import BaseIndexView, BaseIdentifierGeneratorView
 
 
-@login_required
+class EcoAccountIndexView(LoginRequiredMixin, BaseIndexView):
-@any_group_check
+    _INDEX_TABLE_CLS = EcoAccountTable
-def index_view(request: HttpRequest):
+    _TAB_TITLE = _("Eco-account - Overview")
-    """
-    Renders the index view for eco accounts
 
-    Args:
+    def _get_queryset(self):
-        request (HttpRequest): The incoming request
+        qs = EcoAccount.objects.filter(
-
-    Returns:
-        A rendered view
-    """
-    template = "generic_index.html"
-    eco_accounts = EcoAccount.objects.filter(
             deleted=None,
         ).order_by(
             "-modified__timestamp"
         )
-    table = EcoAccountTable(
+        return qs
-        request=request,
-        queryset=eco_accounts
-    )
-    context = {
-        "table": table,
-        TAB_TITLE_IDENTIFIER: _("Eco-account - Overview"),
-    }
-    context = BaseContext(request, context).context
-    return render(request, template, context)
 
 
 @login_required
@@ -112,23 +96,9 @@ def new_view(request: HttpRequest):
     return render(request, template, context)
 
 
-@login_required
+class EcoAccountIdentifierGeneratorView(LoginRequiredMixin, BaseIdentifierGeneratorView):
-@default_group_required
+    _MODEL_CLS = EcoAccount
-def new_id_view(request: HttpRequest):
+    _REDIRECT_URL = "compensation:acc:index"
-    """ JSON endpoint
-
-    Provides fetching of free identifiers for e.g. AJAX calls
-
-    """
-    tmp = EcoAccount()
-    identifier = tmp.generate_new_identifier()
-    while EcoAccount.objects.filter(identifier=identifier).exists():
-        identifier = tmp.generate_new_identifier()
-    return JsonResponse(
-        data={
-            "gen_data": identifier
-        }
-    )
 
 
 @login_required

compensation/views/eco_account/report.py

@@ -5,85 +5,41 @@ Contact: ksp-servicestelle@sgdnord.rlp.de
 Created on: 19.08.22
 
 """
-from django.http import HttpRequest
-from django.shortcuts import get_object_or_404, render
 from django.urls import reverse
-from django.utils.translation import gettext_lazy as _
 
 from compensation.models import EcoAccount
-from konova.contexts import BaseContext
+from compensation.views.compensation.report import BaseCompensationReportView
-from konova.decorators import uuid_required
+from konova.sub_settings.django_settings import BASE_URL
-from konova.forms import SimpleGeomForm
+from konova.utils.qrcode import QrCode
-from konova.sub_settings.context_settings import TAB_TITLE_IDENTIFIER
-from konova.utils.generators import generate_qr_code
 
 
-@uuid_required
+class EcoAccountReportView(BaseCompensationReportView):
-def report_view(request: HttpRequest, id: str):
+    _MODEL = EcoAccount
-    """ Renders the public report view
+    _TEMPLATE = "compensation/report/eco_account/report.html"
 
-    Args:
+    def _get_report_context(self, obj):
-        request (HttpRequest): The incoming request
+        report_url = BASE_URL + reverse("compensation:acc:report", args=(obj.id,))
-        id (str): The id of the intervention
+        qrcode_report = QrCode(report_url, 10)
-
+        qrcode_lanis = QrCode(obj.get_LANIS_link(), 7)
-    Returns:
-
-    """
-    # Reuse the compensation report template since EcoAccounts are structurally identical
-    template = "compensation/report/eco_account/report.html"
-    acc = get_object_or_404(EcoAccount, id=id)
-
-    tab_title = _("Report {}").format(acc.identifier)
-    # If intervention is not recorded (yet or currently) we need to render another template without any data
-    if not acc.is_ready_for_publish():
-        template = "report/unavailable.html"
-        context = {
-            TAB_TITLE_IDENTIFIER: tab_title,
-        }
-        context = BaseContext(request, context).context
-        return render(request, template, context)
-
-    # Prepare data for map viewer
-    geom_form = SimpleGeomForm(
-        instance=acc
-    )
-    parcels = acc.get_underlying_parcels()
-
-    qrcode_url = request.build_absolute_uri(reverse("compensation:acc:report", args=(id,)))
-    qrcode_img = generate_qr_code(qrcode_url, 10)
-    qrcode_lanis_url = acc.get_LANIS_link()
-    qrcode_img_lanis = generate_qr_code(qrcode_lanis_url, 7)
-
-    # Order states by surface
-    before_states = acc.before_states.all().order_by("-surface").select_related("biotope_type__parent")
-    after_states = acc.after_states.all().order_by("-surface").select_related("biotope_type__parent")
-    actions = acc.actions.all().prefetch_related("action_type__parent")
 
         # Reduce amount of db fetched data to the bare minimum we need in the template (deduction's intervention id and identifier)
-    deductions = acc.deductions.all()\
+        deductions = obj.deductions.all() \
-        .distinct("intervention")\
+            .distinct("intervention") \
-        .select_related("intervention")\
+            .select_related("intervention") \
             .values_list("intervention__id", "intervention__identifier", "intervention__title", named=True)
 
-    context = {
+        report_context = {
-        "obj": acc,
             "qrcode": {
-            "img": qrcode_img,
+                "img": qrcode_report.get_img(),
-            "url": qrcode_url,
+                "url": qrcode_report.get_content(),
             },
             "qrcode_lanis": {
-            "img": qrcode_img_lanis,
+                "img": qrcode_lanis.get_img(),
-            "url": qrcode_lanis_url,
+                "url": qrcode_lanis.get_content(),
             },
             "is_entry_shared": False,  # disables action buttons during rendering
-        "before_states": before_states,
-        "after_states": after_states,
-        "geom_form": geom_form,
-        "parcels": parcels,
-        "actions": actions,
             "deductions": deductions,
             "tables_scrollable": False,
-        TAB_TITLE_IDENTIFIER: tab_title,
         }
-    context = BaseContext(request, context).context
+        report_context.update(self._get_compensation_report_context(obj))
-    return render(request, template, context)
+        return report_context

ema/urls.py

@@ -10,25 +10,26 @@ from django.urls import path
 from ema.views.action import NewEmaActionView, EditEmaActionView, RemoveEmaActionView
 from ema.views.deadline import NewEmaDeadlineView, EditEmaDeadlineView, RemoveEmaDeadlineView
 from ema.views.document import NewEmaDocumentView, EditEmaDocumentView, RemoveEmaDocumentView, GetEmaDocumentView
-from ema.views.ema import index_view, new_view, new_id_view, detail_view, edit_view, remove_view
+from ema.views.ema import new_view, detail_view, edit_view, remove_view, EmaIndexView, \
+    EmaIdentifierGeneratorView
 from ema.views.log import EmaLogView
 from ema.views.record import EmaRecordView
-from ema.views.report import report_view
+from ema.views.report import EmaReportView
 from ema.views.resubmission import EmaResubmissionView
 from ema.views.share import EmaShareFormView, EmaShareByTokenView
 from ema.views.state import NewEmaStateView, EditEmaStateView, RemoveEmaStateView
 
 app_name = "ema"
 urlpatterns = [
-    path("", index_view, name="index"),
+    path("", EmaIndexView.as_view(), name="index"),
     path("new/", new_view, name="new"),
-    path("new/id", new_id_view, name="new-id"),
+    path("new/id", EmaIdentifierGeneratorView.as_view(), name="new-id"),
     path("<id>", detail_view, name="detail"),
     path('<id>/log', EmaLogView.as_view(), name='log'),
     path('<id>/edit', edit_view, name='edit'),
     path('<id>/remove', remove_view, name='remove'),
     path('<id>/record', EmaRecordView.as_view(), name='record'),
-    path('<id>/report', report_view, name='report'),
+    path('<id>/report', EmaReportView.as_view(), name='report'),
     path('<id>/resub', EmaResubmissionView.as_view(), name='resubmission-create'),
 
     path('<id>/state/new', NewEmaStateView.as_view(), name='new-state'),

ema/views/ema.py

@@ -7,7 +7,7 @@ Created on: 19.08.22
 """
 from django.contrib import messages
 from django.contrib.auth.decorators import login_required
-from django.db.models import Sum
+from django.contrib.auth.mixins import LoginRequiredMixin
 from django.http import HttpRequest, JsonResponse
 from django.shortcuts import get_object_or_404, redirect, render
 from django.urls import reverse
@@ -24,36 +24,21 @@ from konova.forms.modals import RemoveModalForm
 from konova.settings import DEFAULT_GROUP, ZB_GROUP, ETS_GROUP
 from konova.sub_settings.context_settings import TAB_TITLE_IDENTIFIER
 from konova.utils.message_templates import RECORDED_BLOCKS_EDIT, IDENTIFIER_REPLACED, FORM_INVALID, \
-    DO_NOT_FORGET_TO_SHARE, GEOMETRY_SIMPLIFIED, GEOMETRIES_IGNORED_TEMPLATE
+    DO_NOT_FORGET_TO_SHARE, GEOMETRY_SIMPLIFIED, GEOMETRIES_IGNORED_TEMPLATE, MISSING_GROUP_PERMISSION
+from konova.views.base import BaseIndexView, BaseIdentifierGeneratorView
 
 
-@login_required
+class EmaIndexView(LoginRequiredMixin, BaseIndexView):
-def index_view(request: HttpRequest):
+    _TAB_TITLE = _("EMAs - Overview")
-    """ Renders the index view for EMAs
+    _INDEX_TABLE_CLS = EmaTable
 
-    Args:
+    def _get_queryset(self):
-        request (HttpRequest): The incoming request
+        qs = Ema.objects.filter(
-
-    Returns:
-
-    """
-    template = "generic_index.html"
-    emas = Ema.objects.filter(
             deleted=None,
         ).order_by(
             "-modified__timestamp"
         )
-
+        return qs
-    table = EmaTable(
-        request,
-        queryset=emas
-    )
-    context = {
-        "table": table,
-        TAB_TITLE_IDENTIFIER: _("EMAs - Overview"),
-    }
-    context = BaseContext(request, context).context
-    return render(request, template, context)
 
 
 @login_required
@@ -111,23 +96,12 @@ def new_view(request: HttpRequest):
     return render(request, template, context)
 
 
-@login_required
+class EmaIdentifierGeneratorView(LoginRequiredMixin, BaseIdentifierGeneratorView):
-@conservation_office_group_required
+    _MODEL_CLS = Ema
-def new_id_view(request: HttpRequest):
+    _REDIRECT_URL = "ema:index"
-    """ JSON endpoint
 
-    Provides fetching of free identifiers for e.g. AJAX calls
+    def _user_has_permission(self, user):
-
+        return user.is_ets_user()
-    """
-    tmp = Ema()
-    identifier = tmp.generate_new_identifier()
-    while Ema.objects.filter(identifier=identifier).exists():
-        identifier = tmp.generate_new_identifier()
-    return JsonResponse(
-        data={
-            "gen_data": identifier
-        }
-    )
 
 
 @login_required

ema/views/report.py

@@ -5,77 +5,36 @@ Contact: ksp-servicestelle@sgdnord.rlp.de
 Created on: 19.08.22
 
 """
-from django.http import HttpRequest
-from django.shortcuts import get_object_or_404, render
 from django.urls import reverse
-from django.utils.translation import gettext_lazy as _
 
+from compensation.views.compensation.report import BaseCompensationReportView
 from ema.models import Ema
-from konova.contexts import BaseContext
+from konova.sub_settings.django_settings import BASE_URL
-from konova.decorators import uuid_required
+from konova.utils.qrcode import QrCode
-from konova.forms import SimpleGeomForm
-from konova.sub_settings.context_settings import TAB_TITLE_IDENTIFIER
-from konova.utils.generators import generate_qr_code
 
-@uuid_required
-def report_view(request:HttpRequest, id: str):
-    """ Renders the public report view
 
-    Args:
+class EmaReportView(BaseCompensationReportView):
-        request (HttpRequest): The incoming request
+    _TEMPLATE = "ema/report/report.html"
-        id (str): The id of the intervention
+    _MODEL = Ema
 
-    Returns:
+    def _get_report_context(self, obj):
+        report_url = BASE_URL + reverse("ema:report", args=(obj.id,))
+        qrcode_report = QrCode(report_url, 10)
+        qrcode_lanis = QrCode(obj.get_LANIS_link(), 7)
 
-    """
+        generic_compensation_report_context = self._get_compensation_report_context(obj)
-    # Reuse the compensation report template since EMAs are structurally identical
-    template = "ema/report/report.html"
-    ema = get_object_or_404(Ema, id=id)
 
-    tab_title = _("Report {}").format(ema.identifier)
+        report_context = {
-    # If intervention is not recorded (yet or currently) we need to render another template without any data
-    if not ema.is_ready_for_publish():
-        template = "report/unavailable.html"
-        context = {
-            TAB_TITLE_IDENTIFIER: tab_title,
-        }
-        context = BaseContext(request, context).context
-        return render(request, template, context)
-
-    # Prepare data for map viewer
-    geom_form = SimpleGeomForm(
-        instance=ema,
-    )
-    parcels = ema.get_underlying_parcels()
-
-    qrcode_url = request.build_absolute_uri(reverse("ema:report", args=(id,)))
-    qrcode_img = generate_qr_code(qrcode_url, 10)
-    qrcode_lanis_url = ema.get_LANIS_link()
-    qrcode_img_lanis = generate_qr_code(qrcode_lanis_url, 7)
-
-    # Order states by surface
-    before_states = ema.before_states.all().order_by("-surface").prefetch_related("biotope_type")
-    after_states = ema.after_states.all().order_by("-surface").prefetch_related("biotope_type")
-    actions = ema.actions.all().prefetch_related("action_type")
-
-    context = {
-        "obj": ema,
             "qrcode": {
-            "img": qrcode_img,
+                "img": qrcode_report.get_img(),
-            "url": qrcode_url
+                "url": qrcode_report.get_content(),
             },
             "qrcode_lanis": {
-            "img": qrcode_img_lanis,
+                "img": qrcode_lanis.get_img(),
-            "url": qrcode_lanis_url
+                "url": qrcode_lanis.get_content(),
             },
             "is_entry_shared": False,  # disables action buttons during rendering
-        "before_states": before_states,
-        "after_states": after_states,
-        "geom_form": geom_form,
-        "parcels": parcels,
-        "actions": actions,
             "tables_scrollable": False,
-        TAB_TITLE_IDENTIFIER: tab_title,
         }
-    context = BaseContext(request, context).context
+        report_context.update(generic_compensation_report_context)
-    return render(request, template, context)
+        return report_context

intervention/urls.py

@@ -14,10 +14,11 @@ from intervention.views.deduction import NewInterventionDeductionView, EditInter
     RemoveInterventionDeductionView
 from intervention.views.document import NewInterventionDocumentView, GetInterventionDocumentView, \
     RemoveInterventionDocumentView, EditInterventionDocumentView
-from intervention.views.intervention import index_view, new_view, new_id_view, detail_view, edit_view, remove_view
+from intervention.views.intervention import new_view, detail_view, edit_view, remove_view, \
+    InterventionIndexView, InterventionIdentifierGeneratorView
 from intervention.views.log import InterventionLogView
 from intervention.views.record import InterventionRecordView
-from intervention.views.report import report_view
+from intervention.views.report import InterventionReportView
 from intervention.views.resubmission import InterventionResubmissionView
 from intervention.views.revocation import new_revocation_view, edit_revocation_view, remove_revocation_view, \
     get_revocation_view
@@ -25,9 +26,9 @@ from intervention.views.share import InterventionShareFormView, InterventionShar
 
 app_name = "intervention"
 urlpatterns = [
-    path("", index_view, name="index"),
+    path("", InterventionIndexView.as_view(), name="index"),
     path('new/', new_view, name='new'),
-    path('new/id', new_id_view, name='new-id'),
+    path('new/id', InterventionIdentifierGeneratorView.as_view(), name='new-id'),
     path('<id>', detail_view, name='detail'),
     path('<id>/log', InterventionLogView.as_view(), name='log'),
     path('<id>/edit', edit_view, name='edit'),
@@ -36,7 +37,7 @@ urlpatterns = [
     path('<id>/share', InterventionShareFormView.as_view(), name='share-form'),
     path('<id>/check', check_view, name='check'),
     path('<id>/record', InterventionRecordView.as_view(), name='record'),
-    path('<id>/report', report_view, name='report'),
+    path('<id>/report', InterventionReportView.as_view(), name='report'),
     path('<id>/resub', InterventionResubmissionView.as_view(), name='resubmission-create'),
 
     # Compensations

intervention/views/deduction.py

@@ -5,51 +5,22 @@ Contact: ksp-servicestelle@sgdnord.rlp.de
 Created on: 19.08.22
 
 """
-from django.contrib.auth.decorators import login_required
+from django.contrib.auth.mixins import LoginRequiredMixin
-from django.utils.decorators import method_decorator
 
 from intervention.models import Intervention
-from konova.decorators import default_group_required, shared_access_required
 from konova.views.deduction import AbstractNewDeductionView, AbstractEditDeductionView, AbstractRemoveDeductionView
 
 
-class NewInterventionDeductionView(AbstractNewDeductionView):
+class NewInterventionDeductionView(LoginRequiredMixin, AbstractNewDeductionView):
-    def _custom_check(self, obj):
+    _MODEL = Intervention
-        pass
+    _REDIRECT_URL = "intervention:detail"
-
-    model = Intervention
-    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)
 
 
-class EditInterventionDeductionView(AbstractEditDeductionView):
+class EditInterventionDeductionView(LoginRequiredMixin, AbstractEditDeductionView):
-    def _custom_check(self, obj):
+    _MODEL = Intervention
-        pass
+    _REDIRECT_URL = "intervention:detail"
-
-    model = Intervention
-    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)
 
 
-class RemoveInterventionDeductionView(AbstractRemoveDeductionView):
+class RemoveInterventionDeductionView(LoginRequiredMixin, AbstractRemoveDeductionView):
-    def _custom_check(self, obj):
+    _MODEL = Intervention
-        pass
+    _REDIRECT_URL = "intervention:detail"
-
-    model = Intervention
-    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)

intervention/views/intervention.py

@@ -7,6 +7,7 @@ Created on: 19.08.22
 """
 from django.contrib import messages
 from django.contrib.auth.decorators import login_required
+from django.contrib.auth.mixins import LoginRequiredMixin
 from django.http import JsonResponse, HttpRequest
 from django.shortcuts import get_object_or_404, render, redirect
 from django.urls import reverse
@@ -25,40 +26,22 @@ from konova.sub_settings.context_settings import TAB_TITLE_IDENTIFIER
 from konova.utils.message_templates import DATA_CHECKED_PREVIOUSLY_TEMPLATE, RECORDED_BLOCKS_EDIT, \
     CHECK_STATE_RESET, FORM_INVALID, IDENTIFIER_REPLACED, DO_NOT_FORGET_TO_SHARE, GEOMETRY_SIMPLIFIED, \
     GEOMETRIES_IGNORED_TEMPLATE
+from konova.views.base import BaseIndexView, BaseIdentifierGeneratorView
 
 
-@login_required
+class InterventionIndexView(LoginRequiredMixin, BaseIndexView):
-@any_group_check
+    _INDEX_TABLE_CLS = InterventionTable
-def index_view(request: HttpRequest):
+    _TAB_TITLE = _("Interventions - Overview")
-    """
-    Renders the index view for Interventions
 
-    Args:
+    def _get_queryset(self):
-        request (HttpRequest): The incoming request
+        qs = Intervention.objects.filter(
-
+            deleted=None,
-    Returns:
-        A rendered view
-    """
-    template = "generic_index.html"
-
-    # Filtering by user access is performed in table filter inside InterventionTableFilter class
-    interventions = Intervention.objects.filter(
-        deleted=None,  # not deleted
         ).select_related(
             "legal"
         ).order_by(
             "-modified__timestamp"
         )
-    table = InterventionTable(
+        return qs
-        request=request,
-        queryset=interventions
-    )
-    context = {
-        "table": table,
-        TAB_TITLE_IDENTIFIER: _("Interventions - Overview"),
-    }
-    context = BaseContext(request, context).context
-    return render(request, template, context)
 
 
 @login_required
@@ -117,23 +100,9 @@ def new_view(request: HttpRequest):
     return render(request, template, context)
 
 
-@login_required
+class InterventionIdentifierGeneratorView(LoginRequiredMixin, BaseIdentifierGeneratorView):
-@default_group_required
+    _MODEL_CLS = Intervention
-def new_id_view(request: HttpRequest):
+    _REDIRECT_URL = "intervention:index"
-    """ JSON endpoint
-
-    Provides fetching of free identifiers for e.g. AJAX calls
-
-    """
-    tmp_intervention = Intervention()
-    identifier = tmp_intervention.generate_new_identifier()
-    while Intervention.objects.filter(identifier=identifier).exists():
-        identifier = tmp_intervention.generate_new_identifier()
-    return JsonResponse(
-        data={
-            "gen_data": identifier
-        }
-    )
 
 
 @login_required

intervention/views/report.py

@@ -5,72 +5,41 @@ Contact: ksp-servicestelle@sgdnord.rlp.de
 Created on: 19.08.22
 
 """
-from django.http import HttpRequest
-from django.shortcuts import get_object_or_404, render
 from django.urls import reverse
-from django.utils.translation import gettext_lazy as _
 
 from intervention.models import Intervention
-from konova.contexts import BaseContext
+from konova.sub_settings.django_settings import BASE_URL
-from konova.decorators import uuid_required
+from konova.utils.qrcode import QrCode
-from konova.forms import SimpleGeomForm
+from konova.views.report import BaseReportView
-from konova.sub_settings.context_settings import TAB_TITLE_IDENTIFIER
-from konova.utils.generators import generate_qr_code
 
 
-@uuid_required
+class InterventionReportView(BaseReportView):
-def report_view(request: HttpRequest, id: str):
+    _TEMPLATE = 'intervention/report/report.html'
-    """ Renders the public report view
+    _MODEL = Intervention
+
+    def _get_report_context(self, obj: Intervention):
+        """ Returns the specific context needed for an intervention report
 
         Args:
-        request (HttpRequest): The incoming request
+            obj (Intervention): The object for the report
-        id (str): The id of the intervention
 
         Returns:
-
+            dict: The object specific context for rendering the report
         """
-    template = "intervention/report/report.html"
+        distinct_deductions = obj.deductions.all().distinct("account")
-    intervention = get_object_or_404(Intervention, id=id)
+        report_url = BASE_URL + reverse("intervention:report", args=(obj.id,))
+        qrcode_report = QrCode(report_url, 10)
+        qrcode_lanis = QrCode(obj.get_LANIS_link(), 7)
 
-    tab_title = _("Report {}").format(intervention.identifier)
+        return {
-    # If intervention is not recorded (yet or currently) we need to render another template without any data
-    if not intervention.is_ready_for_publish():
-        template = "report/unavailable.html"
-        context = {
-            TAB_TITLE_IDENTIFIER: tab_title,
-        }
-        context = BaseContext(request, context).context
-        return render(request, template, context)
-
-    # Prepare data for map viewer
-    geom_form = SimpleGeomForm(
-        instance=intervention
-    )
-    parcels = intervention.get_underlying_parcels()
-
-    distinct_deductions = intervention.deductions.all().distinct(
-        "account"
-    )
-    qrcode_url = request.build_absolute_uri(reverse("intervention:report", args=(id,)))
-    qrcode_img = generate_qr_code(qrcode_url, 10)
-    qrcode_lanis_url = intervention.get_LANIS_link()
-    qrcode_img_lanis = generate_qr_code(qrcode_lanis_url, 7)
-
-    context = {
-        "obj": intervention,
             "deductions": distinct_deductions,
             "qrcode": {
-            "img": qrcode_img,
+                "img": qrcode_report.get_img(),
-            "url": qrcode_url,
+                "url": qrcode_report.get_content(),
             },
             "qrcode_lanis": {
-            "img": qrcode_img_lanis,
+                "img": qrcode_lanis.get_img(),
-            "url": qrcode_lanis_url,
+                "url": qrcode_lanis.get_content(),
             },
-        "geom_form": geom_form,
-        "parcels": parcels,
             "tables_scrollable": False,
-        TAB_TITLE_IDENTIFIER: tab_title,
         }
-    context = BaseContext(request, context).context
-    return render(request, template, context)

konova/utils/general.py

@@ -5,6 +5,9 @@ Contact: michel.peltriaux@sgdnord.rlp.de
 Created on: 17.09.21
 
 """
+from django.contrib import messages
+from django.utils.translation import gettext_lazy as _
+from django.http import HttpRequest
 
 
 def format_german_float(num) -> str:
@@ -19,3 +22,19 @@ def format_german_float(num) -> str:
         num (str): The number as german Gleitkommazahl
     """
     return format(num, "0,.2f").replace(",", "X").replace(".", ",").replace("X", ".")
+
+
+def check_user_is_in_any_group(request: HttpRequest):
+    """
+    Checks for any group membership. Adds a message in case of having none.
+
+    """
+    user = request.user
+    # Inform user about missing group privileges!
+    groups = user.groups.all()
+    if not groups:
+        messages.info(
+            request,
+            _("+++ Attention: You are not part of any group. You won't be able to create, edit or do anything. Please contact an administrator. +++")
+        )
+    return request

konova/utils/generators.py

@@ -7,10 +7,6 @@ Created on: 09.11.20
 """
 import random
 import string
-import qrcode
-import qrcode.image.svg
-
-from io import BytesIO
 
 
 def generate_token() -> str:
@@ -42,23 +38,3 @@ def generate_random_string(length: int, use_numbers: bool = False, use_letters_l
     ret_val = "".join(random.choice(elements) for i in range(length))
     return ret_val
 
-
-def generate_qr_code(content: str, size: int = 20) -> str:
-    """ Generates a qr code from given content
-
-    Args:
-        content (str): The content for the qr code
-        size (int): The image size
-
-    Returns:
-        qrcode_svg (str): The qr code as svg
-    """
-    qrcode_factory = qrcode.image.svg.SvgImage
-    qrcode_img = qrcode.make(
-        content,
-        image_factory=qrcode_factory,
-        box_size=size
-    )
-    stream = BytesIO()
-    qrcode_img.save(stream)
-    return stream.getvalue().decode()

konova/utils/qrcode.py

@@ -0,0 +1,47 @@
+"""
+Author: Michel Peltriaux
+Created on: 17.10.25
+
+"""
+from io import BytesIO
+
+import qrcode
+import qrcode.image.svg as svg
+
+
+class QrCode:
+    """ A wrapping class for creating a qr code with content
+
+    """
+    _content = None
+    _img = None
+
+    def __init__(self, content: str, size: int):
+        self._content = content
+        self._img = self._generate_qr_code(content, size)
+
+    def _generate_qr_code(self, content: str, size: int = 20) -> str:
+        """ Generates a qr code from given content
+
+        Args:
+            content (str): The content for the qr code
+            size (int): The image size
+
+        Returns:
+            qrcode_svg (str): The qr code as svg
+        """
+        img_factory = svg.SvgImage
+        qrcode_img = qrcode.make(
+            content,
+            image_factory=img_factory,
+            box_size=size
+        )
+        stream = BytesIO()
+        qrcode_img.save(stream)
+        return stream.getvalue().decode()
+
+    def get_img(self):
+        return self._img
+
+    def get_content(self):
+        return self._content

konova/views/base.py

@@ -0,0 +1,141 @@
+"""
+Author: Michel Peltriaux
+Created on: 15.10.25
+
+"""
+from abc import abstractmethod
+
+from django.contrib import messages
+from django.http import HttpRequest, JsonResponse
+from django.shortcuts import render, redirect
+from django.urls import reverse
+from django.views import View
+
+from konova.contexts import BaseContext
+from konova.sub_settings.context_settings import TAB_TITLE_IDENTIFIER
+from konova.utils.general import check_user_is_in_any_group
+from konova.utils.message_templates import MISSING_GROUP_PERMISSION, DATA_UNSHARED
+
+
+class BaseView(View):
+    _TEMPLATE: str = "CHANGE_ME"
+    _TAB_TITLE: str = "CHANGE_ME"
+    _REDIRECT_URL: str = "CHANGE_ME"
+    _REDIRECT_URL_ERROR: str = "home"
+
+    class Meta:
+        abstract = True
+
+    def dispatch(self, request, *args, **kwargs):
+        if not self._user_has_permission(request.user):
+            messages.info(request, MISSING_GROUP_PERMISSION)
+            return redirect(reverse(self._REDIRECT_URL_ERROR))
+        if not self._user_has_shared_access(request.user, **kwargs):
+            messages.info(request, DATA_UNSHARED)
+            return redirect(reverse(self._REDIRECT_URL_ERROR))
+        return super().dispatch(request, *args, **kwargs)
+
+    def _user_has_permission(self, user):
+        """ Has to be implemented properly by inheriting classes
+
+        Args:
+            user ():
+
+        Returns:
+
+        """
+        return False
+
+    def _user_has_shared_access(self, user, **kwargs):
+        """ Has to be implemented properly by inheriting classes
+
+        Args:
+            user ():
+
+        Returns:
+
+        """
+        return False
+
+
+class BaseModalFormView(BaseView):
+    _TEMPLATE = "modal/modal_form.html"
+    _TAB_TITLE = None
+
+    class Meta:
+        abstract = True
+
+
+class BaseIndexView(BaseView):
+    """ Base class for index views
+
+    """
+    _TEMPLATE = "generic_index.html"
+    _INDEX_TABLE_CLS = None
+    _REDIRECT_URL = "home"
+
+    class Meta:
+        abstract = True
+
+    def dispatch(self, request, *args, **kwargs):
+        request = check_user_is_in_any_group(request)
+        return super().dispatch(request, *args, **kwargs)
+
+    def get(self, request: HttpRequest):
+        qs = self._get_queryset()
+        table = self._INDEX_TABLE_CLS(
+            request=request,
+            queryset=qs
+        )
+        context = {
+            "table": table,
+            TAB_TITLE_IDENTIFIER: self._TAB_TITLE,
+        }
+        context = BaseContext(request, context).context
+        return render(request, self._TEMPLATE, context)
+
+    @abstractmethod
+    def _get_queryset(self):
+        raise NotImplementedError
+
+    def _user_has_permission(self, user):
+        # No specific permissions needed for opening base index view
+        return True
+
+    def _user_has_shared_access(self, user, **kwargs):
+        # No specific constraints for shared access of index views
+        return True
+
+
+class BaseIdentifierGeneratorView(BaseView):
+    _MODEL_CLS = None
+    _REDIRECT_URL: str = "home"
+
+    class Meta:
+        abstract = True
+
+    def get(self, request: HttpRequest):
+        tmp_obj = self._MODEL_CLS()
+        identifier = tmp_obj.generate_new_identifier()
+        while self._MODEL_CLS.objects.filter(identifier=identifier).exists():
+            identifier = tmp_obj.generate_new_identifier()
+        return JsonResponse(
+            data={
+                "gen_data": identifier
+            }
+        )
+
+    def _user_has_permission(self, user):
+        """ Should be overwritten in inheriting classes!
+
+        Args:
+            user ():
+
+        Returns:
+
+        """
+        return user.is_default_user()
+
+    def _user_has_shared_access(self, user, **kwargs):
+        # No specific constraints for shared access
+        return True

konova/views/deduction.py

@@ -6,30 +6,60 @@ Created on: 22.08.22
 
 """
 from django.core.exceptions import ObjectDoesNotExist
-from django.http import Http404
+from django.http import Http404, HttpRequest
 from django.shortcuts import get_object_or_404
 from django.urls import reverse
-from django.views import View
 
 from intervention.forms.modals.deduction import NewEcoAccountDeductionModalForm, EditEcoAccountDeductionModalForm, \
     RemoveEcoAccountDeductionModalForm
 from konova.utils.message_templates import DEDUCTION_ADDED, DEDUCTION_EDITED, DEDUCTION_REMOVED, DEDUCTION_UNKNOWN
+from konova.views.base import BaseModalFormView
 
 
-class AbstractDeductionView(View):
+class AbstractDeductionView(BaseModalFormView):
-    model = None
+    _MODEL = None
-    redirect_url = None
+    _REDIRECT_URL = None
 
     def _custom_check(self, obj):
         """
         Can be used by inheriting classes to provide custom checks before further processing
 
         """
-        raise NotImplementedError("Must be implemented in subclasses")
+        pass
+
+    def _user_has_permission(self, user) -> bool:
+        """
+
+        Args:
+            user ():
+
+        Returns:
+
+        """
+        return user.is_default_user()
+
+    def _user_has_shared_access(self, user, **kwargs) -> bool:
+        """ A user has shared access on
+
+        Args:
+            user (User): The performing user
+            kwargs (dict): Parameters
+
+        Returns:
+            bool: True if the user has access to the requested object, False otherwise
+        """
+        ret_val: bool = False
+        try:
+            obj = self._MODEL.objects.get(
+                id=kwargs.get("id")
+            )
+            ret_val = obj.is_shared_with(user)
+        except ObjectDoesNotExist:
+            ret_val = False
+        return ret_val
 
 
 class AbstractNewDeductionView(AbstractDeductionView):
-
     class Meta:
         abstract = True
 
@@ -43,13 +73,13 @@ class AbstractNewDeductionView(AbstractDeductionView):
         Returns:
 
         """
-        obj = get_object_or_404(self.model, id=id)
+        obj = get_object_or_404(self._MODEL, id=id)
         self._custom_check(obj)
         form = NewEcoAccountDeductionModalForm(request.POST or None, instance=obj, request=request)
         return form.process_request(
             request,
             msg_success=DEDUCTION_ADDED,
-            redirect_url=reverse(self.redirect_url, args=(id,)) + "#related_data",
+            redirect_url=reverse(self._REDIRECT_URL, args=(id,)) + "#related_data",
         )
 
     def post(self, request, id: str):
@@ -57,10 +87,6 @@ class AbstractNewDeductionView(AbstractDeductionView):
 
 
 class AbstractEditDeductionView(AbstractDeductionView):
-
-    def _custom_check(self, obj):
-        pass
-
     class Meta:
         abstract = True
 
@@ -75,7 +101,7 @@ class AbstractEditDeductionView(AbstractDeductionView):
         Returns:
 
         """
-        obj = get_object_or_404(self.model, id=id)
+        obj = get_object_or_404(self._MODEL, id=id)
         self._custom_check(obj)
         try:
             eco_deduction = obj.deductions.get(id=deduction_id)
@@ -87,7 +113,7 @@ class AbstractEditDeductionView(AbstractDeductionView):
         return form.process_request(
             request=request,
             msg_success=DEDUCTION_EDITED,
-            redirect_url=reverse(self.redirect_url, args=(id,)) + "#related_data"
+            redirect_url=reverse(self._REDIRECT_URL, args=(id,)) + "#related_data"
         )
 
     def post(self, request, id: str, deduction_id: str):
@@ -95,10 +121,6 @@ class AbstractEditDeductionView(AbstractDeductionView):
 
 
 class AbstractRemoveDeductionView(AbstractDeductionView):
-
-    def _custom_check(self, obj):
-        pass
-
     class Meta:
         abstract = True
 
@@ -113,7 +135,7 @@ class AbstractRemoveDeductionView(AbstractDeductionView):
         Returns:
 
         """
-        obj = get_object_or_404(self.model, id=id)
+        obj = get_object_or_404(self._MODEL, id=id)
         self._custom_check(obj)
         try:
             eco_deduction = obj.deductions.get(id=deduction_id)
@@ -124,7 +146,7 @@ class AbstractRemoveDeductionView(AbstractDeductionView):
         return form.process_request(
             request=request,
             msg_success=DEDUCTION_REMOVED,
-            redirect_url=reverse(self.redirect_url, args=(id,)) + "#related_data"
+            redirect_url=reverse(self._REDIRECT_URL, args=(id,)) + "#related_data"
         )
 
     def post(self, request, id: str, deduction_id: str):

konova/views/report.py

@@ -0,0 +1,106 @@
+"""
+Author: Michel Peltriaux
+Created on: 17.10.25
+
+"""
+from abc import abstractmethod
+from uuid import UUID
+
+from django.http import HttpRequest, Http404
+from django.shortcuts import get_object_or_404, render
+from django.utils.translation import gettext_lazy as _
+
+from konova.contexts import BaseContext
+from konova.forms import SimpleGeomForm
+from konova.sub_settings.context_settings import TAB_TITLE_IDENTIFIER
+from konova.views.base import BaseView
+
+
+class BaseReportView(BaseView):
+    _TEMPLATE = None
+    _TAB_TITLE = _("Report {}")
+    _MODEL = None
+
+    class Meta:
+        abstract = True
+
+    def dispatch(self, request, *args, **kwargs):
+        # If the given id is not a uuid we act as the result was not found
+        try:
+            UUID(kwargs.get('id'))
+        except ValueError:
+            raise Http404()
+        return super().dispatch(request, *args, **kwargs)
+
+    def _return_unpublishable_content_response(self, request: HttpRequest, tab_title: str):
+        """ Handles HttpResponse return in case the object is not ready for publish
+
+        Args:
+            request ():
+            tab_title ():
+
+        Returns:
+
+        """
+        template = "report/unavailable.html"
+        context = {
+            TAB_TITLE_IDENTIFIER: tab_title,
+        }
+        context = BaseContext(request, context).context
+        return render(request, template, context)
+
+    def get(self, request: HttpRequest, id: str):
+        """ Renders the public report view
+
+        Args:
+            request (HttpRequest): The incoming request
+            id (str): The id of the intervention
+
+        Returns:
+
+        """
+        obj = get_object_or_404(self._MODEL, id=id)
+        tab_title = self._TAB_TITLE.format(obj.identifier)
+
+        # If object is not recorded we need to render another template without any data
+        if not obj.is_ready_for_publish():
+            return self._return_unpublishable_content_response(request, tab_title)
+
+        # First get specific report context for different types of objects due to inheritance
+        report_context = self._get_report_context(obj)
+
+        # Then generate and add default report context (the same for all models)
+        geom_form = SimpleGeomForm(instance=obj)
+        parcels = obj.get_underlying_parcels()
+        report_context.update(
+            {
+                TAB_TITLE_IDENTIFIER: tab_title,
+                "parcels": parcels,
+                "geom_form": geom_form,
+                "obj": obj
+            }
+        )
+
+        # Then generate the general context based on the report specific data
+        context = BaseContext(request, report_context).context
+        return render(request, self._TEMPLATE, context)
+
+    @abstractmethod
+    def _get_report_context(self, obj):
+        """ Returns the specific context needed for this report view
+
+        Args:
+            obj (RecordableObjectMixin): The object for the report
+
+        Returns:
+            dict: The object specific context for rendering the report
+        """
+        raise NotImplementedError
+
+    def _user_has_permission(self, user):
+        # Reports do not need specific permissions to be callable
+        return True
+
+    def _user_has_shared_access(self, user, **kwargs):
+        # Reports do not need specific share states to be callable
+        return True

templates/navbars/navbar.html

@@ -56,7 +56,7 @@
                     {% if user.is_staff or user.is_superuser %}
                     <a class="dropdown-item" target="_blank" href="{% url 'admin:index' %}">{% fa5_icon 'tools' %}  {% trans 'Admin' %}</a>
                     {% endif %}
-                    <a class="dropdown-item" href="{% url 'user:index' %}">{% fa5_icon 'cogs' %}  {% trans 'Settings' %}</a>
+                    <a class="dropdown-item" href="{% url 'user:detail' %}">{% fa5_icon 'cogs' %}  {% trans 'Settings' %}</a>
                     <a class="dropdown-item" href="{% url 'logout' %}">{% fa5_icon 'sign-out-alt' %}  {% trans 'Logout' %}</a>
                 </div>
             </li>

user/forms/user.py

@@ -38,7 +38,7 @@ class UserNotificationForm(BaseForm):
         self.form_title = _("Edit notifications")
         self.form_caption = _("")
         self.action_url = reverse("user:notifications")
-        self.cancel_redirect = reverse("user:index")
+        self.cancel_redirect = reverse("user:detail")
 
         # Insert all notifications into form field by creating choices as tuples
         notifications = UserNotification.objects.filter(

user/tests/test_views.py

@@ -26,7 +26,7 @@ class UserViewTestCase(BaseViewTestCase):
         self.team.users.add(self.superuser)
         self.team.admins.add(self.superuser)
         # Prepare urls
-        self.index_url = reverse("user:index", args=())
+        self.index_url = reverse("user:detail", args=())
         self.notification_url = reverse("user:notifications", args=())
         self.api_token_url = reverse("user:api-token", args=())
         self.contact_url = reverse("user:contact", args=(self.superuser.id,))

user/tests/unit/test_forms.py

@@ -233,7 +233,7 @@ class UserNotificationFormTestCase(BaseTestCase):
         self.assertEqual(form.form_title, str(_("Edit notifications")))
         self.assertEqual(form.form_caption, "")
         self.assertEqual(form.action_url, reverse("user:notifications"))
-        self.assertEqual(form.cancel_redirect, reverse("user:index"))
+        self.assertEqual(form.cancel_redirect, reverse("user:detail"))
 
     def test_save(self):
         selected_notification = UserNotification.objects.first()

user/urls.py

@@ -15,15 +15,15 @@ from user.views.views import *
 
 app_name = "user"
 urlpatterns = [
-    path("", index_view, name="index"),
+    path("", UserDetailView.as_view(), name="detail"),
     path("propagate/", PropagateUserView.as_view(), name="propagate"),
-    path("notifications/", notifications_view, name="notifications"),
+    path("notifications/", NotificationsView.as_view(), name="notifications"),
     path("token/api", APITokenView.as_view(), name="api-token"),
     path("token/api/new", new_api_token_view, name="api-token-new"),
-    path("contact/<id>", contact_view, name="contact"),
+    path("contact/<id>", ContactView.as_view(), name="contact"),
-    path("team/", index_team_view, name="team-index"),
+    path("team/", TeamIndexView.as_view(), name="team-index"),
     path("team/new", new_team_view, name="team-new"),
-    path("team/<id>", data_team_view, name="team-data"),
+    path("team/<id>", TeamDetailModalView.as_view(), name="team-data"),
     path("team/<id>/edit", edit_team_view, name="team-edit"),
     path("team/<id>/remove", remove_team_view, name="team-remove"),
     path("team/<id>/leave", leave_team_view, name="team-leave"),

user/views/views.py

@@ -1,8 +1,10 @@
 from django.contrib import messages
 from django.contrib.auth.decorators import login_required
+from django.contrib.auth.mixins import LoginRequiredMixin
 from django.urls import reverse
 
 from konova.sub_settings.context_settings import TAB_TITLE_IDENTIFIER
+from konova.views.base import BaseView, BaseModalFormView
 from user.forms.modals.team import NewTeamModalForm, EditTeamModalForm, RemoveTeamModalForm, LeaveTeamModalForm
 from user.forms.modals.user import UserContactForm
 from user.forms.team import TeamDataForm
@@ -13,70 +15,66 @@ from django.shortcuts import render, redirect, get_object_or_404
 from django.utils.translation import gettext_lazy as _
 
 from konova.contexts import BaseContext
-from konova.decorators import any_group_check, login_required_modal
+from konova.decorators import login_required_modal
 
 
-@login_required
+class UserBaseView(BaseView):
-@any_group_check
+    def _user_has_shared_access(self, user, **kwargs):
-def index_view(request: HttpRequest):
+        return True
-    """ Renders the user's data index view
 
-    Args:
+    def _user_has_permission(self, user):
-        request ():
+        return True
 
-    Returns:
 
-    """
+class UserDetailView(LoginRequiredMixin, UserBaseView):
-    template = "user/index.html"
+    _TEMPLATE = "user/index.html"
+    _TAB_TITLE = _("User settings")
+
+    def get(self, request: HttpRequest):
         context = {
             "user": request.user,
-        TAB_TITLE_IDENTIFIER: _("User settings"),
+            TAB_TITLE_IDENTIFIER: self._TAB_TITLE,
         }
         context = BaseContext(request, context).context
-    return render(request, template, context)
+        return render(request, self._TEMPLATE, context)
 
 
-@login_required
+class NotificationsView(LoginRequiredMixin, UserBaseView):
-@any_group_check
+    _TEMPLATE = "user/notifications.html"
-def notifications_view(request: HttpRequest):
+    _TAB_TITLE = _("User notifications")
-    """ Renders the notifications settings view
 
-    Args:
+    def get(self, request: HttpRequest):
-        request ():
-
-    Returns:
-
-    """
-    template = "user/notifications.html"
         user = request.user
+        form = UserNotificationForm(user=user, data=None)
+        context = {
+            "user": user,
+            "form": form,
+            TAB_TITLE_IDENTIFIER: self._TAB_TITLE,
+        }
+        context = BaseContext(request, context).context
+        return render(request, self._TEMPLATE, context)
 
-    form = UserNotificationForm(user=user, data=request.POST or None)
+    def post(self, request: HttpRequest):
-    if request.method == "POST":
+        user = request.user
+        form = UserNotificationForm(user=user, data=request.POST)
         if form.is_valid():
             form.save()
             messages.success(
                 request,
                 _("Notifications edited")
             )
-            return redirect("user:index")
+            return redirect("user:detail")
-    elif request.method == "GET":
-        # Implicit
-        pass
-    else:
-        raise NotImplementedError
-
         context = {
             "user": user,
             "form": form,
-        TAB_TITLE_IDENTIFIER: _("User notifications"),
+            TAB_TITLE_IDENTIFIER: self._TAB_TITLE,
         }
         context = BaseContext(request, context).context
-    return render(request, template, context)
+        return render(request, self._TEMPLATE, context)
 
 
-@login_required_modal
+class ContactView(LoginRequiredMixin, BaseModalFormView):
-@login_required
+    def get(self, request: HttpRequest, id: str):
-def contact_view(request: HttpRequest, id: str):
         """ Renders contact modal view of a users contact data
 
         Args:
@@ -88,21 +86,23 @@ def contact_view(request: HttpRequest, id: str):
         """
         user = get_object_or_404(User, id=id)
         form = UserContactForm(request.POST or None, instance=user, request=request)
-    template = "modal/modal_form.html"
         context = {
             "form": form,
         }
         context = BaseContext(request, context).context
-    return render(
+        return render(request, self._TEMPLATE, context)
-        request,
+
-        template,
+    def _user_has_shared_access(self, user, **kwargs):
-        context
+        # No specific constraints
-    )
+        return True
+
+    def _user_has_permission(self, user):
+        # No specific constraints
+        return True
 
 
-@login_required_modal
+class TeamDetailModalView(LoginRequiredMixin, BaseModalFormView):
-@login_required
+    def get(self, request: HttpRequest, id: str):
-def data_team_view(request: HttpRequest, id: str):
         """ Renders team data
 
         Args:
@@ -114,28 +114,33 @@ def data_team_view(request: HttpRequest, id: str):
         """
         team = get_object_or_404(Team, id=id)
         form = TeamDataForm(request.POST or None, instance=team, request=request)
-    template = "modal/modal_form.html"
         context = {
             "form": form,
         }
         context = BaseContext(request, context).context
-    return render(
+        return render(request, self._TEMPLATE, context)
-        request,
+
-        template,
+    def _user_has_shared_access(self, user, **kwargs):
-        context
+        # No specific constraints
-    )
+        return True
+
+    def _user_has_permission(self, user):
+        # No specific constraints
+        return True
 
 
-@login_required
+class TeamIndexView(LoginRequiredMixin, UserBaseView):
-def index_team_view(request: HttpRequest):
+    _TEMPLATE = "user/team/index.html"
-    template = "user/team/index.html"
+    _TAB_TITLE = _("Teams")
+
+    def get(self, request: HttpRequest):
         user = request.user
         context = {
             "teams": user.shared_teams,
-        "tab_title": _("Teams"),
+            "tab_title": self._TAB_TITLE,
         }
         context = BaseContext(request, context).context
-    return render(request, template, context)
+        return render(request, self._TEMPLATE, context)
 
 
 @login_required_modal