""" Author: Michel Peltriaux Organization: Struktur- und Genehmigungsdirektion Nord, Rhineland-Palatinate, Germany Contact: ksp-servicestelle@sgdnord.rlp.de 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.http import HttpRequest, JsonResponse from django.shortcuts import get_object_or_404, redirect, render from django.urls import reverse from django.utils.translation import gettext_lazy as _ from ema.forms import NewEmaForm, EditEmaForm from ema.models import Ema from ema.tables import EmaTable from konova.contexts import BaseContext from konova.decorators import shared_access_required, conservation_office_group_required from konova.forms import SimpleGeomForm 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 from konova.utils.user_checks import in_group @login_required def index_view(request: HttpRequest): """ Renders the index view for EMAs Args: request (HttpRequest): The incoming request Returns: """ template = "generic_index.html" emas = Ema.objects.filter( deleted=None, ).order_by( "-modified" ) 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 @conservation_office_group_required def new_view(request: HttpRequest): """ Renders a view for a new eco account creation Args: request (HttpRequest): The incoming request Returns: """ template = "ema/form/view.html" data_form = NewEmaForm(request.POST or None) geom_form = SimpleGeomForm(request.POST or None, read_only=False) if request.method == "POST": if data_form.is_valid() and geom_form.is_valid(): generated_identifier = data_form.cleaned_data.get("identifier", None) ema = data_form.save(request.user, geom_form) if generated_identifier != ema.identifier: messages.info( request, IDENTIFIER_REPLACED.format( generated_identifier, ema.identifier ) ) messages.success(request, _("EMA {} added").format(ema.identifier)) return redirect("ema:detail", id=ema.id) else: messages.error(request, FORM_INVALID, extra_tags="danger",) else: # For clarification: nothing in this case pass context = { "form": data_form, "geom_form": geom_form, TAB_TITLE_IDENTIFIER: _("New EMA"), } context = BaseContext(request, context).context return render(request, template, context) @login_required @conservation_office_group_required def new_id_view(request: HttpRequest): """ JSON endpoint Provides fetching of free identifiers for e.g. AJAX calls """ 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 def detail_view(request: HttpRequest, id: str): """ Renders the detail view of an EMA Args: request (HttpRequest): The incoming request id (str): The EMA id Returns: """ template = "ema/detail/view.html" ema = get_object_or_404(Ema, id=id, deleted=None) geom_form = SimpleGeomForm(instance=ema) parcels = ema.get_underlying_parcels() _user = request.user is_data_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 = before_states.aggregate(Sum("surface"))["surface__sum"] or 0 sum_after_states = after_states.aggregate(Sum("surface"))["surface__sum"] or 0 diff_states = abs(sum_before_states - sum_after_states) ema.set_status_messages(request) context = { "obj": ema, "geom_form": geom_form, "parcels": parcels, "has_access": is_data_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": in_group(_user, DEFAULT_GROUP), "is_zb_member": in_group(_user, ZB_GROUP), "is_ets_member": in_group(_user, 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, template, context) @login_required @conservation_office_group_required @shared_access_required(Ema, "id") def edit_view(request: HttpRequest, id: str): """ Renders a view for editing compensations Args: request (HttpRequest): The incoming request Returns: """ template = "compensation/form/view.html" # Get object from db ema = get_object_or_404(Ema, id=id) if ema.is_recorded: messages.info( request, RECORDED_BLOCKS_EDIT ) return redirect("ema:detail", id=id) # Create forms, initialize with values from db/from POST request data_form = EditEmaForm(request.POST or None, instance=ema) geom_form = SimpleGeomForm(request.POST or None, read_only=False, instance=ema) if request.method == "POST": if data_form.is_valid() and geom_form.is_valid(): # The data form takes the geom form for processing, as well as the performing user ema = data_form.save(request.user, geom_form) messages.success(request, _("EMA {} edited").format(ema.identifier)) return redirect("ema:detail", id=ema.id) else: messages.error(request, FORM_INVALID, extra_tags="danger",) else: # For clarification: nothing in this case pass context = { "form": data_form, "geom_form": geom_form, TAB_TITLE_IDENTIFIER: _("Edit {}").format(ema.identifier), } context = BaseContext(request, context).context return render(request, template, context) @login_required @conservation_office_group_required @shared_access_required(Ema, "id") def remove_view(request: HttpRequest, id: str): """ Renders a modal view for removing the EMA Args: request (HttpRequest): The incoming request id (str): The EMA's id Returns: """ ema = get_object_or_404(Ema, id=id) form = RemoveModalForm(request.POST or None, instance=ema, request=request) return form.process_request( request=request, msg_success=_("EMA removed"), redirect_url=reverse("ema:index"), )