nk20/apps/note/views.py

144 lines
5.5 KiB
Python

# Copyright (C) 2018-2020 by BDE ENS Paris-Saclay
# SPDX-License-Identifier: GPL-3.0-or-later
import json
from django.conf import settings
from django.contrib.auth.mixins import LoginRequiredMixin
from django.contrib.contenttypes.models import ContentType
from django.utils.translation import gettext_lazy as _
from django.views.generic import CreateView, UpdateView
from django_tables2 import SingleTableView
from django.urls import reverse_lazy
from note_kfet.inputs import AmountInput
from permission.backends import PermissionBackend
from permission.views import ProtectQuerysetMixin
from .forms import TransactionTemplateForm
from .models import Transaction, TransactionTemplate, RecurrentTransaction, NoteSpecial
from .models.transactions import SpecialTransaction
from .tables import HistoryTable, ButtonTable
class TransactionCreateView(ProtectQuerysetMixin, LoginRequiredMixin, SingleTableView):
"""
View for the creation of Transaction between two note which are not :models:`transactions.RecurrentTransaction`.
e.g. for donation/transfer between people and clubs or for credit/debit with :models:`note.NoteSpecial`
"""
template_name = "note/transaction_form.html"
model = Transaction
# Transaction history table
table_class = HistoryTable
def get_queryset(self, **kwargs):
return super().get_queryset(**kwargs).order_by("-id").all()[:20]
def get_context_data(self, **kwargs):
"""
Add some context variables in template such as page title
"""
context = super().get_context_data(**kwargs)
context['title'] = _('Transfer money')
context['amount_widget'] = AmountInput(attrs={"id": "amount"})
context['polymorphic_ctype'] = ContentType.objects.get_for_model(Transaction).pk
context['special_polymorphic_ctype'] = ContentType.objects.get_for_model(SpecialTransaction).pk
context['special_types'] = NoteSpecial.objects\
.filter(PermissionBackend.filter_queryset(self.request.user, NoteSpecial, "view"))\
.order_by("special_type").all()
# Add a shortcut for entry page for open activities
if "activity" in settings.INSTALLED_APPS:
from activity.models import Activity
context["activities_open"] = Activity.objects.filter(open=True).filter(
PermissionBackend.filter_queryset(self.request.user, Activity, "view")).filter(
PermissionBackend.filter_queryset(self.request.user, Activity, "change")).all()
return context
class TransactionTemplateCreateView(ProtectQuerysetMixin, LoginRequiredMixin, CreateView):
"""
Create Transaction template
"""
model = TransactionTemplate
form_class = TransactionTemplateForm
success_url = reverse_lazy('note:template_list')
class TransactionTemplateListView(ProtectQuerysetMixin, LoginRequiredMixin, SingleTableView):
"""
List Transaction templates
"""
model = TransactionTemplate
table_class = ButtonTable
class TransactionTemplateUpdateView(ProtectQuerysetMixin, LoginRequiredMixin, UpdateView):
"""
Update Transaction template
"""
model = TransactionTemplate
form_class = TransactionTemplateForm
success_url = reverse_lazy('note:template_list')
def get_context_data(self, **kwargs):
context = super().get_context_data(**kwargs)
if "logs" in settings.INSTALLED_APPS:
from logs.models import Changelog
update_logs = Changelog.objects.filter(
model=ContentType.objects.get_for_model(TransactionTemplate),
instance_pk=self.object.pk,
action="edit",
)
price_history = []
for log in update_logs.all():
old_dict = json.loads(log.previous)
new_dict = json.loads(log.data)
old_price = old_dict["amount"]
new_price = new_dict["amount"]
if old_price != new_price:
price_history.append(dict(price=old_price, time=log.timestamp))
price_history.append(dict(price=self.object.amount, time=None))
price_history.reverse()
context["price_history"] = price_history
return context
class ConsoView(ProtectQuerysetMixin, LoginRequiredMixin, SingleTableView):
"""
The Magic View that make people pay their beer and burgers.
(Most of the magic happens in the dark world of Javascript see consos.js)
"""
model = Transaction
template_name = "note/conso_form.html"
# Transaction history table
table_class = HistoryTable
def get_queryset(self, **kwargs):
return super().get_queryset(**kwargs).order_by("-id").all()[:20]
def get_context_data(self, **kwargs):
"""
Add some context variables in template such as page title
"""
context = super().get_context_data(**kwargs)
from django.db.models import Count
buttons = TransactionTemplate.objects.filter(
PermissionBackend().filter_queryset(self.request.user, TransactionTemplate, "view")
).filter(display=True).annotate(clicks=Count('recurrenttransaction')).order_by('category__name', 'name')
context['transaction_templates'] = buttons
context['most_used'] = buttons.order_by('-clicks', 'name')[:10]
context['title'] = _("Consumptions")
context['polymorphic_ctype'] = ContentType.objects.get_for_model(RecurrentTransaction).pk
# select2 compatibility
context['no_cache'] = True
return context