mpeltriaux
278a951e92
* refactors views for new ema and edit ema from function to class based * moves shared access check to base edit form view to be checked for every inheriting class * fixes bug where private variables changed on singleton objects * updates translations
142 lines
4.2 KiB
Python
142 lines
4.2 KiB
Python
"""
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Author: Michel Peltriaux
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Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany
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Contact: ksp-servicestelle@sgdnord.rlp.de
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Created on: 19.08.22
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"""
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from django.contrib.auth.decorators import login_required
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.http import HttpRequest
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from django.shortcuts import get_object_or_404
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from django.urls import reverse
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from django.utils.translation import gettext_lazy as _
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from ema.forms import NewEmaForm, EditEmaForm
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from ema.models import Ema
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from ema.tables import EmaTable
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from konova.decorators import shared_access_required, conservation_office_group_required, login_required_modal
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from konova.forms.modals import RemoveModalForm
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from konova.views.base import BaseIndexView, BaseIdentifierGeneratorView, BaseNewSpatialLocatedObjectFormView, \
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BaseEditSpatialLocatedObjectFormView
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from konova.views.detail import BaseDetailView
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class EmaIndexView(LoginRequiredMixin, BaseIndexView):
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_TAB_TITLE = _("EMAs - Overview")
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_INDEX_TABLE_CLS = EmaTable
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def _get_queryset(self):
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qs = Ema.objects.filter(
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deleted=None,
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).order_by(
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"-modified__timestamp"
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)
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return qs
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class NewEmaFormView(BaseNewSpatialLocatedObjectFormView):
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_FORM_CLS = NewEmaForm
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_MODEL_CLS = Ema
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_TEMPLATE = "ema/form/view.html"
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_TAB_TITLE = _("New EMA")
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_REDIRECT_URL = "ema:detail"
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def _user_has_permission(self, user):
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# User has to be an ets user
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return user.is_ets_user()
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def _user_has_shared_access(self, user, **kwargs):
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# No specific share constraint for creatin EMA entries
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return True
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class EditEmaFormView(BaseEditSpatialLocatedObjectFormView):
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_MODEL_CLS = Ema
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_FORM_CLS = EditEmaForm
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_TEMPLATE = "ema/form/view.html"
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_REDIRECT_URL = "ema:detail"
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_TAB_TITLE = _("Edit {}")
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def _user_has_permission(self, user):
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# User has to be an ets user
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return user.is_ets_user()
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class EmaIdentifierGeneratorView(LoginRequiredMixin, BaseIdentifierGeneratorView):
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_MODEL_CLS = Ema
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_REDIRECT_URL = "ema:index"
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def _user_has_permission(self, user):
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return user.is_ets_user()
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class EmaDetailView(BaseDetailView):
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_MODEL_CLS = Ema
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_TEMPLATE = "ema/detail/view.html"
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def _get_object(self, id: str):
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""" Fetch object for detail view
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Args:
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id (str): The record's id'
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Returns:
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"""
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ema = get_object_or_404(Ema, id=id, deleted=None)
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return ema
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def _get_detail_context(self, obj: Ema):
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""" Generate object specific detail context for view
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Args:
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obj (): The record
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Returns:
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"""
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# Order states according to surface
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before_states = obj.before_states.all().order_by("-surface")
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after_states = obj.after_states.all().order_by("-surface")
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# Precalculate logical errors between before- and after-states
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# Sum() returns None in case of no states, so we catch that and replace it with 0 for easier handling
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sum_before_states = obj.get_surface_before_states()
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sum_after_states = obj.get_surface_after_states()
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diff_states = abs(sum_before_states - sum_after_states)
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context = {
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"before_states": before_states,
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"after_states": after_states,
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"sum_before_states": sum_before_states,
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"sum_after_states": sum_after_states,
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"diff_states": diff_states,
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"has_finished_deadlines": obj.get_finished_deadlines().exists(),
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}
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return context
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@login_required_modal
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@login_required
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@conservation_office_group_required
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@shared_access_required(Ema, "id")
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def remove_view(request: HttpRequest, id: str):
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""" Renders a modal view for removing the EMA
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Args:
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request (HttpRequest): The incoming request
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id (str): The EMA's id
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Returns:
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"""
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ema = get_object_or_404(Ema, id=id)
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form = RemoveModalForm(request.POST or None, instance=ema, request=request)
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return form.process_request(
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request=request,
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msg_success=_("EMA removed"),
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redirect_url=reverse("ema:index"),
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)
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