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472 lines
14 KiB
Python
472 lines
14 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: michel.peltriaux@sgdnord.rlp.de
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Created on: 09.08.21
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"""
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from django.contrib import messages
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from django.db.models import Sum
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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 django.contrib.auth.decorators import login_required
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from django.core.exceptions import ObjectDoesNotExist
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from django.http import HttpRequest, Http404, JsonResponse
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from django.shortcuts import render, get_object_or_404, redirect
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from compensation.forms.forms import NewEcoAccountForm, EditEcoAccountForm
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from compensation.forms.modalForms import NewStateModalForm, NewActionModalForm, NewDeadlineModalForm
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from compensation.models import EcoAccount, EcoAccountDocument
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from compensation.tables import EcoAccountTable
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from intervention.forms.modalForms import NewDeductionModalForm
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from konova.contexts import BaseContext
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from konova.decorators import any_group_check, default_group_required, conservation_office_group_required
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from konova.forms import RemoveModalForm, SimpleGeomForm, NewDocumentForm, RecordModalForm
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from konova.settings import DEFAULT_GROUP, ZB_GROUP, ETS_GROUP
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from konova.utils.documents import get_document, remove_document
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from konova.utils.generators import generate_qr_code
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from konova.utils.message_templates import IDENTIFIER_REPLACED, FORM_INVALID
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from konova.utils.user_checks import in_group
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@login_required
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@any_group_check
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def index_view(request: HttpRequest):
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"""
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Renders the index view for eco accounts
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Args:
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request (HttpRequest): The incoming request
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Returns:
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A rendered view
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"""
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template = "generic_index.html"
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user = request.user
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eco_accounts = EcoAccount.objects.filter(
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deleted=None,
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)
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table = EcoAccountTable(
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request=request,
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queryset=eco_accounts
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)
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context = {
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"table": table,
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}
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context = BaseContext(request, context).context
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return render(request, template, context)
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@login_required
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@default_group_required
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def new_view(request: HttpRequest):
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"""
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Renders a view for a new eco account creation
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Args:
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request (HttpRequest): The incoming request
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Returns:
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"""
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template = "compensation/form/view.html"
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data_form = NewEcoAccountForm(request.POST or None)
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geom_form = SimpleGeomForm(request.POST or None, read_only=False)
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if request.method == "POST":
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if data_form.is_valid() and geom_form.is_valid():
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generated_identifier = data_form.cleaned_data.get("identifier", None)
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acc = data_form.save(request.user, geom_form)
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if generated_identifier != acc.identifier:
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messages.info(
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request,
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IDENTIFIER_REPLACED.format(
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generated_identifier,
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acc.identifier
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)
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)
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messages.success(request, _("Eco-Account {} added").format(acc.identifier))
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return redirect("compensation:acc-detail", id=acc.id)
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else:
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messages.error(request, FORM_INVALID)
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else:
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# For clarification: nothing in this case
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pass
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context = {
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"form": data_form,
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"geom_form": geom_form,
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}
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context = BaseContext(request, context).context
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return render(request, template, context)
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@login_required
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def new_id_view(request: HttpRequest):
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""" JSON endpoint
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Provides fetching of free identifiers for e.g. AJAX calls
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"""
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tmp = EcoAccount()
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identifier = tmp.generate_new_identifier()
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while EcoAccount.objects.filter(identifier=identifier).exists():
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identifier = tmp.generate_new_identifier()
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return JsonResponse(
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data={
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"identifier": identifier
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}
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)
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@login_required
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@default_group_required
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def edit_view(request: HttpRequest, id: str):
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"""
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Renders a view for editing compensations
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Args:
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request (HttpRequest): The incoming request
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Returns:
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"""
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template = "compensation/form/view.html"
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# Get object from db
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acc = get_object_or_404(EcoAccount, id=id)
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# Create forms, initialize with values from db/from POST request
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data_form = EditEcoAccountForm(request.POST or None, instance=acc)
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geom_form = SimpleGeomForm(request.POST or None, read_only=False, instance=acc)
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if request.method == "POST":
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if data_form.is_valid() and geom_form.is_valid():
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# The data form takes the geom form for processing, as well as the performing user
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acc = data_form.save(request.user, geom_form)
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messages.success(request, _("Eco-Account {} edited").format(acc.identifier))
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return redirect("compensation:acc-detail", id=acc.id)
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else:
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messages.error(request, FORM_INVALID)
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else:
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# For clarification: nothing in this case
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pass
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context = {
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"form": data_form,
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"geom_form": geom_form,
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}
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context = BaseContext(request, context).context
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return render(request, template, context)
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@login_required
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@any_group_check
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def detail_view(request: HttpRequest, id: str):
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""" Renders a detail view for a compensation
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Args:
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request (HttpRequest): The incoming request
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id (str): The compensation's id
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Returns:
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"""
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template = "compensation/detail/eco_account/view.html"
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acc = get_object_or_404(EcoAccount, id=id)
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geom_form = SimpleGeomForm(instance=acc)
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_user = request.user
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is_data_shared = acc.is_shared_with(_user)
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# Order states according to surface
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before_states = acc.before_states.all().order_by("-surface")
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after_states = acc.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 = before_states.aggregate(Sum("surface"))["surface__sum"] or 0
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sum_after_states = after_states.aggregate(Sum("surface"))["surface__sum"] or 0
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diff_states = abs(sum_before_states - sum_after_states)
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# Calculate rest of available surface for deductions
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available_total, available_relative = acc.get_available_rest()
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deductions = acc.deductions.filter(
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intervention__deleted=None,
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)
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context = {
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"obj": acc,
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"geom_form": geom_form,
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"has_access": is_data_shared,
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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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"available": available_relative,
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"available_total": available_total,
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"is_default_member": in_group(_user, DEFAULT_GROUP),
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"is_zb_member": in_group(_user, ZB_GROUP),
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"is_ets_member": in_group(_user, ETS_GROUP),
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"LANIS_LINK": acc.get_LANIS_link(),
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"deductions": deductions,
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}
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context = BaseContext(request, context).context
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return render(request, template, context)
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@login_required
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def remove_view(request: HttpRequest, id: str):
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""" Renders a modal view for removing the eco account
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Args:
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request (HttpRequest): The incoming request
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id (str): The account's id
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Returns:
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"""
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acc = get_object_or_404(EcoAccount, id=id)
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form = RemoveModalForm(request.POST or None, instance=acc, user=request.user)
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return form.process_request(
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request=request,
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msg_success=_("Eco-account removed"),
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redirect_url=reverse("compensation:acc-index"),
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)
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@login_required
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@default_group_required
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def deduction_remove_view(request: HttpRequest, id: str, deduction_id: str):
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""" Renders a modal view for removing deductions
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Args:
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request (HttpRequest): The incoming request
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id (str): The eco account's id
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deduction_id (str): The deduction's id
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Returns:
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"""
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acc = get_object_or_404(EcoAccount, id=id)
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try:
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eco_deduction = acc.deductions.get(id=deduction_id)
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except ObjectDoesNotExist:
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raise Http404("Unknown deduction")
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form = RemoveModalForm(request.POST or None, instance=eco_deduction, user=request.user)
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return form.process_request(
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request=request,
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msg_success=_("Deduction removed")
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)
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@login_required
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@default_group_required
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def log_view(request: HttpRequest, id: str):
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""" Renders a log view using modal
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Args:
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request (HttpRequest): The incoming request
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id (str): The eco acount's id
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Returns:
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"""
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comp = get_object_or_404(EcoAccount, id=id)
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template = "modal/modal_generic.html"
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body_template = "log.html"
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context = {
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"modal_body_template": body_template,
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"log": comp.log.all(),
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"modal_title": _("Log"),
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}
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context = BaseContext(request, context).context
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return render(request, template, context)
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@login_required
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@conservation_office_group_required
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def record_view(request: HttpRequest, id:str):
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""" Renders a modal form for recording an eco account
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Args:
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request (HttpRequest): The incoming request
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id (str): The account's id
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Returns:
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"""
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acc = get_object_or_404(EcoAccount, id=id)
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form = RecordModalForm(request.POST or None, instance=acc, user=request.user)
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msg_succ = _("{} unrecorded") if acc.recorded else _("{} recorded")
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msg_succ = msg_succ.format(acc.identifier)
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return form.process_request(
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request,
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msg_succ
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)
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@login_required
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def state_new_view(request: HttpRequest, id: str):
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""" Renders a form for adding new states for an eco account
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Args:
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request (HttpRequest): The incoming request
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id (str): The account's id to which the new state will be related
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Returns:
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"""
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acc = get_object_or_404(EcoAccount, id=id)
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form = NewStateModalForm(request.POST or None, instance=acc, user=request.user)
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return form.process_request(
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request,
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msg_success=_("State added")
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)
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@login_required
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def action_new_view(request: HttpRequest, id: str):
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""" Renders a form for adding new actions for an eco account
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Args:
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request (HttpRequest): The incoming request
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id (str): The account's id to which the new state will be related
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Returns:
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"""
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acc = get_object_or_404(EcoAccount, id=id)
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form = NewActionModalForm(request.POST or None, instance=acc, user=request.user)
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return form.process_request(
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request,
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msg_success=_("Action added")
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)
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@login_required
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def deadline_new_view(request: HttpRequest, id: str):
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""" Renders a form for adding new states for an eco account
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Args:
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request (HttpRequest): The incoming request
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id (str): The account's id to which the new state will be related
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Returns:
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"""
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acc = get_object_or_404(EcoAccount, id=id)
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form = NewDeadlineModalForm(request.POST or None, instance=acc, user=request.user)
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return form.process_request(
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request,
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msg_success=_("Deadline added")
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)
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@login_required
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def new_document_view(request: HttpRequest, id: str):
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""" Renders a form for uploading new documents
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Args:
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request (HttpRequest): The incoming request
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id (str): The account's id to which the new document will be related
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Returns:
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"""
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acc = get_object_or_404(EcoAccount, id=id)
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form = NewDocumentForm(request.POST or None, request.FILES or None, instance=acc, user=request.user)
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return form.process_request(
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request,
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msg_success=_("Document added")
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)
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@login_required
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def get_document_view(request: HttpRequest, doc_id: str):
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""" Returns the document as downloadable file
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Wraps the generic document fetcher function from konova.utils.
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Args:
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request (HttpRequest): The incoming request
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doc_id (str): The document id
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Returns:
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"""
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doc = get_object_or_404(EcoAccountDocument, id=doc_id)
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return get_document(doc)
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@login_required
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def remove_document_view(request: HttpRequest, doc_id: str):
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""" Removes the document from the database and file system
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Wraps the generic functionality from konova.utils.
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Args:
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request (HttpRequest): The incoming request
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doc_id (str): The document id
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Returns:
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"""
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doc = get_object_or_404(EcoAccountDocument, id=doc_id)
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return remove_document(
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request,
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doc
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)
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@login_required
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@default_group_required
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def new_deduction_view(request: HttpRequest, id: str):
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""" Renders a modal form view for creating deductions
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Args:
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request (HttpRequest): THe incoming request
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id (str): The eco account's id
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Returns:
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"""
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acc = get_object_or_404(EcoAccount, id=id)
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form = NewDeductionModalForm(request.POST or None, instance=acc, user=request.user)
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return form.process_request(
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request,
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msg_success=_("Deduction added")
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)
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def report_view(request:HttpRequest, id: str):
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""" Renders the public report view
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Args:
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request (HttpRequest): The incoming request
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id (str): The id of the intervention
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Returns:
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"""
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# Reuse the compensation report template since EcoAccounts are structurally identical
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template = "compensation/report/report.html"
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acc = get_object_or_404(EcoAccount, id=id)
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# If intervention is not recorded (yet or currently) we need to render another template without any data
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if not acc.recorded:
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template = "report/unavailable.html"
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return render(request, template, {})
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qrcode_img = generate_qr_code(
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request.build_absolute_uri(reverse("compensation:acc-report", args=(id,))),
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10
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)
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qrcode_img_lanis = generate_qr_code(
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acc.get_LANIS_link(),
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7
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)
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context = {
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"obj": acc,
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"qrcode": qrcode_img,
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"qrcode_lanis": qrcode_img_lanis,
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}
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context = BaseContext(request, context).context
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return render(request, template, context)
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