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648 lines
20 KiB
Python
648 lines
20 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, CompensationState, CompensationAction
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from compensation.tables import EcoAccountTable
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from intervention.forms.modalForms import NewDeductionModalForm, ShareInterventionModalForm
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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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shared_access_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, DATA_UNSHARED, DATA_UNSHARED_EXPLANATION, \
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CANCEL_ACC_RECORDED_OR_DEDUCTED
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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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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, extra_tags="danger",)
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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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@default_group_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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@shared_access_required(EcoAccount, "id")
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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, extra_tags="danger",)
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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(
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EcoAccount.objects.prefetch_related(
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"deadlines",
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).select_related(
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'geometry',
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'responsible',
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),
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id=id
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)
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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.order_by("-surface")
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after_states = acc.after_states.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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# Prefetch related data to decrease the amount of db connections
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deductions = acc.deductions.filter(
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intervention__deleted=None,
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)
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actions = acc.actions.all()
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if not is_data_shared:
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messages.info(request, DATA_UNSHARED_EXPLANATION)
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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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"actions": actions,
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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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@shared_access_required(EcoAccount, "id")
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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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# If the eco account has already been recorded OR there are already deductions, it can not be deleted by a regular
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# default group user
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if acc.recorded is not None or acc.deductions.exists():
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user = request.user
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if not in_group(user, ETS_GROUP):
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messages.info(request, CANCEL_ACC_RECORDED_OR_DEDUCTED)
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return redirect("compensation:acc-detail", 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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@shared_access_required(EcoAccount, "id")
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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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@shared_access_required(EcoAccount, "id")
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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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@shared_access_required(EcoAccount, "id")
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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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@default_group_required
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@shared_access_required(EcoAccount, "id")
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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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@default_group_required
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@shared_access_required(EcoAccount, "id")
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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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@default_group_required
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@shared_access_required(EcoAccount, "id")
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def state_remove_view(request: HttpRequest, id: str, state_id: str):
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""" Renders a form for removing a compensation state
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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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state_id (str): The state's id
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Returns:
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"""
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state = get_object_or_404(CompensationState, id=state_id)
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form = RemoveModalForm(request.POST or None, instance=state, user=request.user)
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return form.process_request(
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request,
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msg_success=_("State removed")
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)
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@login_required
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@default_group_required
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@shared_access_required(EcoAccount, "id")
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def action_remove_view(request: HttpRequest, id: str, action_id: str):
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""" Renders a form for removing a compensation action
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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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id (str): The action's id
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Returns:
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"""
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action = get_object_or_404(CompensationAction, id=action_id)
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form = RemoveModalForm(request.POST or None, instance=action, user=request.user)
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return form.process_request(
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request,
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msg_success=_("Action removed")
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)
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@login_required
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@default_group_required
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@shared_access_required(EcoAccount, "id")
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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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@default_group_required
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@shared_access_required(EcoAccount, "id")
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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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@default_group_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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user = request.user
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instance = doc.instance
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# File download only possible if related instance is shared with user
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if not instance.users.filter(id=user.id):
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messages.info(
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request,
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DATA_UNSHARED
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)
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return redirect("compensation:acc-detail", id=instance.id)
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return get_document(doc)
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@login_required
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@default_group_required
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@shared_access_required(EcoAccount, "id")
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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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@shared_access_required(EcoAccount, "id")
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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/eco_account/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
|
|
if not acc.recorded:
|
|
template = "report/unavailable.html"
|
|
return render(request, template, {})
|
|
|
|
# Prepare data for map viewer
|
|
geom_form = SimpleGeomForm(
|
|
instance=acc
|
|
)
|
|
qrcode_img = generate_qr_code(
|
|
request.build_absolute_uri(reverse("ema:report", args=(id,))),
|
|
10
|
|
)
|
|
qrcode_img_lanis = generate_qr_code(
|
|
acc.get_LANIS_link(),
|
|
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().select_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()\
|
|
.distinct("intervention")\
|
|
.select_related("intervention")\
|
|
.values_list("intervention__id", "intervention__identifier", named=True)
|
|
|
|
context = {
|
|
"obj": acc,
|
|
"qrcode": qrcode_img,
|
|
"qrcode_lanis": qrcode_img_lanis,
|
|
"has_access": False, # disables action buttons during rendering
|
|
"before_states": before_states,
|
|
"after_states": after_states,
|
|
"geom_form": geom_form,
|
|
"actions": actions,
|
|
"deductions": deductions,
|
|
}
|
|
context = BaseContext(request, context).context
|
|
return render(request, template, context)
|
|
|
|
|
|
@login_required
|
|
def share_view(request: HttpRequest, id: str, token: str):
|
|
""" Performs sharing of an eco account
|
|
|
|
If token given in url is not valid, the user will be redirected to the dashboard
|
|
|
|
Args:
|
|
request (HttpRequest): The incoming request
|
|
id (str): EcoAccount's id
|
|
token (str): Access token for EcoAccount
|
|
|
|
Returns:
|
|
|
|
"""
|
|
user = request.user
|
|
obj = get_object_or_404(EcoAccount, id=id)
|
|
# Check tokens
|
|
if obj.access_token == token:
|
|
# Send different messages in case user has already been added to list of sharing users
|
|
if obj.is_shared_with(user):
|
|
messages.info(
|
|
request,
|
|
_("{} has already been shared with you").format(obj.identifier)
|
|
)
|
|
else:
|
|
messages.success(
|
|
request,
|
|
_("{} has been shared with you").format(obj.identifier)
|
|
)
|
|
obj.users.add(user)
|
|
return redirect("compensation:acc-detail", id=id)
|
|
else:
|
|
messages.error(
|
|
request,
|
|
_("Share link invalid"),
|
|
extra_tags="danger",
|
|
)
|
|
return redirect("home")
|
|
|
|
|
|
@login_required
|
|
@default_group_required
|
|
@shared_access_required(EcoAccount, "id")
|
|
def create_share_view(request: HttpRequest, id: str):
|
|
""" Renders sharing form for an eco account
|
|
|
|
Args:
|
|
request (HttpRequest): The incoming request
|
|
id (str): EcoAccount's id
|
|
|
|
Returns:
|
|
|
|
"""
|
|
obj = get_object_or_404(EcoAccount, id=id)
|
|
form = ShareInterventionModalForm(request.POST or None, instance=obj, request=request)
|
|
return form.process_request(
|
|
request,
|
|
msg_success=_("Share settings updated")
|
|
) |