konova/ema/views/detail.py
mpeltriaux 72914bab9d # Detail View
* refactors detail view methods into classes
* introduces AbstractDetailView
2025-12-14 16:11:50 +01:00

77 lines
2.8 KiB
Python

"""
Author: Michel Peltriaux
Created on: 14.12.25
"""
from django.contrib import messages
from django.http import HttpResponse, HttpRequest
from django.shortcuts import get_object_or_404, render
from ema.models import Ema
from konova.contexts import BaseContext
from konova.forms import SimpleGeomForm
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 DO_NOT_FORGET_TO_SHARE
from konova.views.detail import AbstractDetailView
class DetailEmaView(AbstractDetailView):
_TEMPLATE = "ema/detail/view.html"
def get(self, request: HttpRequest, id: str, *args, **kwargs) -> HttpResponse:
""" Renders the detail view of an EMA
Args:
request (HttpRequest): The incoming request
id (str): The EMA id
Returns:
"""
ema = get_object_or_404(Ema, id=id, deleted=None)
geom_form = SimpleGeomForm(instance=ema)
parcels = ema.get_underlying_parcels()
_user = request.user
is_entry_shared = ema.is_shared_with(_user)
# Order states according to surface
before_states = ema.before_states.all().order_by("-surface")
after_states = ema.after_states.all().order_by("-surface")
# Precalculate logical errors between before- and after-states
# Sum() returns None in case of no states, so we catch that and replace it with 0 for easier handling
sum_before_states = ema.get_surface_before_states()
sum_after_states = ema.get_surface_after_states()
diff_states = abs(sum_before_states - sum_after_states)
ema.set_status_messages(request)
requesting_user_is_only_shared_user = ema.is_only_shared_with(_user)
if requesting_user_is_only_shared_user:
messages.info(
request,
DO_NOT_FORGET_TO_SHARE
)
context = {
"obj": ema,
"geom_form": geom_form,
"parcels": parcels,
"is_entry_shared": is_entry_shared,
"before_states": before_states,
"after_states": after_states,
"sum_before_states": sum_before_states,
"sum_after_states": sum_after_states,
"diff_states": diff_states,
"is_default_member": _user.in_group(DEFAULT_GROUP),
"is_zb_member": _user.in_group(ZB_GROUP),
"is_ets_member": _user.in_group(ETS_GROUP),
"LANIS_LINK": ema.get_LANIS_link(),
TAB_TITLE_IDENTIFIER: f"{ema.identifier} - {ema.title}",
"has_finished_deadlines": ema.get_finished_deadlines().exists(),
}
context = BaseContext(request, context).context
return render(request, self._TEMPLATE, context)