Sith/accounting/views.py

935 lines
28 KiB
Python

# -*- coding:utf-8 -*
#
# Copyright 2023 © AE UTBM
# ae@utbm.fr / ae.info@utbm.fr
#
# This file is part of the website of the UTBM Student Association (AE UTBM),
# https://ae.utbm.fr.
#
# You can find the source code of the website at https://github.com/ae-utbm/sith3
#
# LICENSED UNDER THE GNU GENERAL PUBLIC LICENSE VERSION 3 (GPLv3)
# SEE : https://raw.githubusercontent.com/ae-utbm/sith3/master/LICENSE
# OR WITHIN THE LOCAL FILE "LICENSE"
#
#
from django.views.generic import ListView, DetailView
from django.views.generic.edit import UpdateView, CreateView, DeleteView, FormView
from django.urls import reverse_lazy, reverse
from django.utils.translation import gettext_lazy as _
from django.forms.models import modelform_factory
from django.core.exceptions import PermissionDenied, ValidationError
from django.forms import HiddenInput
from django.db import transaction
from django.db.models import Sum
from django.conf import settings
from django import forms
from django.http import HttpResponse
import collections
from ajax_select.fields import AutoCompleteSelectField
from core.views import (
CanViewMixin,
CanEditMixin,
CanEditPropMixin,
CanCreateMixin,
TabedViewMixin,
)
from core.views.forms import SelectFile, SelectDate
from accounting.models import (
BankAccount,
ClubAccount,
GeneralJournal,
Operation,
AccountingType,
Company,
SimplifiedAccountingType,
Label,
)
from counter.models import Counter, Selling, Product
# Main accounting view
class BankAccountListView(CanViewMixin, ListView):
"""
A list view for the admins
"""
model = BankAccount
template_name = "accounting/bank_account_list.jinja"
ordering = ["name"]
# Simplified accounting types
class SimplifiedAccountingTypeListView(CanViewMixin, ListView):
"""
A list view for the admins
"""
model = SimplifiedAccountingType
template_name = "accounting/simplifiedaccountingtype_list.jinja"
class SimplifiedAccountingTypeEditView(CanViewMixin, UpdateView):
"""
An edit view for the admins
"""
model = SimplifiedAccountingType
pk_url_kwarg = "type_id"
fields = ["label", "accounting_type"]
template_name = "core/edit.jinja"
class SimplifiedAccountingTypeCreateView(CanCreateMixin, CreateView):
"""
Create an accounting type (for the admins)
"""
model = SimplifiedAccountingType
fields = ["label", "accounting_type"]
template_name = "core/create.jinja"
# Accounting types
class AccountingTypeListView(CanViewMixin, ListView):
"""
A list view for the admins
"""
model = AccountingType
template_name = "accounting/accountingtype_list.jinja"
class AccountingTypeEditView(CanViewMixin, UpdateView):
"""
An edit view for the admins
"""
model = AccountingType
pk_url_kwarg = "type_id"
fields = ["code", "label", "movement_type"]
template_name = "core/edit.jinja"
class AccountingTypeCreateView(CanCreateMixin, CreateView):
"""
Create an accounting type (for the admins)
"""
model = AccountingType
fields = ["code", "label", "movement_type"]
template_name = "core/create.jinja"
# BankAccount views
class BankAccountEditView(CanViewMixin, UpdateView):
"""
An edit view for the admins
"""
model = BankAccount
pk_url_kwarg = "b_account_id"
fields = ["name", "iban", "number", "club"]
template_name = "core/edit.jinja"
class BankAccountDetailView(CanViewMixin, DetailView):
"""
A detail view, listing every club account
"""
model = BankAccount
pk_url_kwarg = "b_account_id"
template_name = "accounting/bank_account_details.jinja"
class BankAccountCreateView(CanCreateMixin, CreateView):
"""
Create a bank account (for the admins)
"""
model = BankAccount
fields = ["name", "club", "iban", "number"]
template_name = "core/create.jinja"
class BankAccountDeleteView(
CanEditPropMixin, DeleteView
): # TODO change Delete to Close
"""
Delete a bank account (for the admins)
"""
model = BankAccount
pk_url_kwarg = "b_account_id"
template_name = "core/delete_confirm.jinja"
success_url = reverse_lazy("accounting:bank_list")
# ClubAccount views
class ClubAccountEditView(CanViewMixin, UpdateView):
"""
An edit view for the admins
"""
model = ClubAccount
pk_url_kwarg = "c_account_id"
fields = ["name", "club", "bank_account"]
template_name = "core/edit.jinja"
class ClubAccountDetailView(CanViewMixin, DetailView):
"""
A detail view, listing every journal
"""
model = ClubAccount
pk_url_kwarg = "c_account_id"
template_name = "accounting/club_account_details.jinja"
class ClubAccountCreateView(CanCreateMixin, CreateView):
"""
Create a club account (for the admins)
"""
model = ClubAccount
fields = ["name", "club", "bank_account"]
template_name = "core/create.jinja"
def get_initial(self):
ret = super(ClubAccountCreateView, self).get_initial()
if "parent" in self.request.GET.keys():
obj = BankAccount.objects.filter(id=int(self.request.GET["parent"])).first()
if obj is not None:
ret["bank_account"] = obj.id
return ret
class ClubAccountDeleteView(
CanEditPropMixin, DeleteView
): # TODO change Delete to Close
"""
Delete a club account (for the admins)
"""
model = ClubAccount
pk_url_kwarg = "c_account_id"
template_name = "core/delete_confirm.jinja"
success_url = reverse_lazy("accounting:bank_list")
# Journal views
class JournalTabsMixin(TabedViewMixin):
def get_tabs_title(self):
return _("Journal")
def get_list_of_tabs(self):
tab_list = []
tab_list.append(
{
"url": reverse(
"accounting:journal_details", kwargs={"j_id": self.object.id}
),
"slug": "journal",
"name": _("Journal"),
}
)
tab_list.append(
{
"url": reverse(
"accounting:journal_nature_statement",
kwargs={"j_id": self.object.id},
),
"slug": "nature_statement",
"name": _("Statement by nature"),
}
)
tab_list.append(
{
"url": reverse(
"accounting:journal_person_statement",
kwargs={"j_id": self.object.id},
),
"slug": "person_statement",
"name": _("Statement by person"),
}
)
tab_list.append(
{
"url": reverse(
"accounting:journal_accounting_statement",
kwargs={"j_id": self.object.id},
),
"slug": "accounting_statement",
"name": _("Accounting statement"),
}
)
return tab_list
class JournalCreateView(CanCreateMixin, CreateView):
"""
Create a general journal
"""
model = GeneralJournal
form_class = modelform_factory(
GeneralJournal,
fields=["name", "start_date", "club_account"],
widgets={"start_date": SelectDate},
)
template_name = "core/create.jinja"
def get_initial(self):
ret = super(JournalCreateView, self).get_initial()
if "parent" in self.request.GET.keys():
obj = ClubAccount.objects.filter(id=int(self.request.GET["parent"])).first()
if obj is not None:
ret["club_account"] = obj.id
return ret
class JournalDetailView(JournalTabsMixin, CanViewMixin, DetailView):
"""
A detail view, listing every operation
"""
model = GeneralJournal
pk_url_kwarg = "j_id"
template_name = "accounting/journal_details.jinja"
current_tab = "journal"
class JournalEditView(CanEditMixin, UpdateView):
"""
Update a general journal
"""
model = GeneralJournal
pk_url_kwarg = "j_id"
fields = ["name", "start_date", "end_date", "club_account", "closed"]
template_name = "core/edit.jinja"
class JournalDeleteView(CanEditPropMixin, DeleteView):
"""
Delete a club account (for the admins)
"""
model = GeneralJournal
pk_url_kwarg = "j_id"
template_name = "core/delete_confirm.jinja"
success_url = reverse_lazy("accounting:club_details")
def dispatch(self, request, *args, **kwargs):
self.object = self.get_object()
if self.object.operations.count() == 0:
return super(JournalDeleteView, self).dispatch(request, *args, **kwargs)
else:
raise PermissionDenied
# Operation views
class OperationForm(forms.ModelForm):
class Meta:
model = Operation
fields = [
"amount",
"remark",
"journal",
"target_type",
"target_id",
"target_label",
"date",
"mode",
"cheque_number",
"invoice",
"simpleaccounting_type",
"accounting_type",
"label",
"done",
]
widgets = {
"journal": HiddenInput,
"target_id": HiddenInput,
"date": SelectDate,
"invoice": SelectFile,
}
user = AutoCompleteSelectField("users", help_text=None, required=False)
club_account = AutoCompleteSelectField(
"club_accounts", help_text=None, required=False
)
club = AutoCompleteSelectField("clubs", help_text=None, required=False)
company = AutoCompleteSelectField("companies", help_text=None, required=False)
need_link = forms.BooleanField(
label=_("Link this operation to the target account"),
required=False,
initial=False,
)
def __init__(self, *args, **kwargs):
club_account = kwargs.pop("club_account", None)
super(OperationForm, self).__init__(*args, **kwargs)
if club_account:
self.fields["label"].queryset = club_account.labels.order_by("name").all()
if self.instance.target_type == "USER":
self.fields["user"].initial = self.instance.target_id
elif self.instance.target_type == "ACCOUNT":
self.fields["club_account"].initial = self.instance.target_id
elif self.instance.target_type == "CLUB":
self.fields["club"].initial = self.instance.target_id
elif self.instance.target_type == "COMPANY":
self.fields["company"].initial = self.instance.target_id
def clean(self):
self.cleaned_data = super(OperationForm, self).clean()
if "target_type" in self.cleaned_data.keys():
if (
self.cleaned_data.get("user") is None
and self.cleaned_data.get("club") is None
and self.cleaned_data.get("club_account") is None
and self.cleaned_data.get("company") is None
and self.cleaned_data.get("target_label") == ""
):
self.add_error(
"target_type", ValidationError(_("The target must be set."))
)
else:
if self.cleaned_data["target_type"] == "USER":
self.cleaned_data["target_id"] = self.cleaned_data["user"].id
elif self.cleaned_data["target_type"] == "ACCOUNT":
self.cleaned_data["target_id"] = self.cleaned_data[
"club_account"
].id
elif self.cleaned_data["target_type"] == "CLUB":
self.cleaned_data["target_id"] = self.cleaned_data["club"].id
elif self.cleaned_data["target_type"] == "COMPANY":
self.cleaned_data["target_id"] = self.cleaned_data["company"].id
if self.cleaned_data.get("amount") is None:
self.add_error("amount", ValidationError(_("The amount must be set.")))
return self.cleaned_data
def save(self):
ret = super(OperationForm, self).save()
if (
self.instance.target_type == "ACCOUNT"
and not self.instance.linked_operation
and self.instance.target.has_open_journal()
and self.cleaned_data["need_link"]
):
inst = self.instance
club_account = inst.target
acc_type = (
AccountingType.objects.exclude(movement_type="NEUTRAL")
.exclude(movement_type=inst.accounting_type.movement_type)
.order_by("code")
.first()
) # Select a random opposite accounting type
op = Operation(
journal=club_account.get_open_journal(),
amount=inst.amount,
date=inst.date,
remark=inst.remark,
mode=inst.mode,
cheque_number=inst.cheque_number,
invoice=inst.invoice,
done=False, # Has to be checked by hand
simpleaccounting_type=None,
accounting_type=acc_type,
target_type="ACCOUNT",
target_id=inst.journal.club_account.id,
target_label="",
linked_operation=inst,
)
op.save()
self.instance.linked_operation = op
self.save()
return ret
class OperationCreateView(CanCreateMixin, CreateView):
"""
Create an operation
"""
model = Operation
form_class = OperationForm
template_name = "accounting/operation_edit.jinja"
def get_form(self, form_class=None):
self.journal = GeneralJournal.objects.filter(id=self.kwargs["j_id"]).first()
ca = self.journal.club_account if self.journal else None
return self.form_class(club_account=ca, **self.get_form_kwargs())
def get_initial(self):
ret = super(OperationCreateView, self).get_initial()
if self.journal is not None:
ret["journal"] = self.journal.id
return ret
def get_context_data(self, **kwargs):
"""Add journal to the context"""
kwargs = super(OperationCreateView, self).get_context_data(**kwargs)
if self.journal:
kwargs["object"] = self.journal
return kwargs
class OperationEditView(CanEditMixin, UpdateView):
"""
An edit view, working as detail for the moment
"""
model = Operation
pk_url_kwarg = "op_id"
form_class = OperationForm
template_name = "accounting/operation_edit.jinja"
def get_context_data(self, **kwargs):
"""Add journal to the context"""
kwargs = super(OperationEditView, self).get_context_data(**kwargs)
kwargs["object"] = self.object.journal
return kwargs
class OperationPDFView(CanViewMixin, DetailView):
"""
Display the PDF of a given operation
"""
model = Operation
pk_url_kwarg = "op_id"
def get(self, request, *args, **kwargs):
from reportlab.pdfgen import canvas
from reportlab.lib.units import cm
from reportlab.platypus import Table, TableStyle
from reportlab.lib import colors
from reportlab.lib.pagesizes import letter
from reportlab.lib.utils import ImageReader
from reportlab.pdfbase.ttfonts import TTFont
from reportlab.pdfbase import pdfmetrics
pdfmetrics.registerFont(TTFont("DejaVu", "DejaVuSerif.ttf"))
self.object = self.get_object()
amount = self.object.amount
remark = self.object.remark
nature = self.object.accounting_type.movement_type
num = self.object.number
date = self.object.date
mode = self.object.mode
club_name = self.object.journal.club_account.name
ti = self.object.journal.name
op_label = self.object.label
club_address = self.object.journal.club_account.club.address
id_op = self.object.id
if self.object.target_type == "OTHER":
target = self.object.target_label
else:
target = self.object.target.get_display_name()
response = HttpResponse(content_type="application/pdf")
response["Content-Disposition"] = 'filename="op-%d(%s_on_%s).pdf"' % (
num,
ti,
club_name,
)
p = canvas.Canvas(response)
p.setFont("DejaVu", 12)
p.setTitle("%s %d" % (_("Operation"), num))
width, height = letter
im = ImageReader("core/static/core/img/logo.jpg")
iw, ih = im.getSize()
p.drawImage(im, 40, height - 50, width=iw / 2, height=ih / 2)
labelStr = [["%s %s - %s %s" % (_("Journal"), ti, _("Operation"), num)]]
label = Table(labelStr, colWidths=[150], rowHeights=[20])
label.setStyle(TableStyle([("ALIGN", (0, 0), (-1, -1), "RIGHT")]))
w, h = label.wrapOn(label, 0, 0)
label.drawOn(p, width - 180, height)
p.drawString(
90, height - 100, _("Financial proof: ") + "OP%010d" % (id_op)
) # Justificatif du libellé
p.drawString(
90, height - 130, _("Club: %(club_name)s") % ({"club_name": club_name})
)
p.drawString(
90,
height - 160,
_("Label: %(op_label)s")
% {"op_label": op_label if op_label is not None else ""},
)
p.drawString(90, height - 190, _("Date: %(date)s") % {"date": date})
data = []
data += [
["%s" % (_("Credit").upper() if nature == "CREDIT" else _("Debit").upper())]
]
data += [[_("Amount: %(amount).2f") % {"amount": amount}]]
payment_mode = ""
for m in settings.SITH_ACCOUNTING_PAYMENT_METHOD:
if m[0] == mode:
payment_mode += "[\u00D7]"
else:
payment_mode += "[ ]"
payment_mode += " %s\n" % (m[1])
data += [[payment_mode]]
data += [
[
"%s : %s"
% (_("Debtor") if nature == "CREDIT" else _("Creditor"), target),
"",
]
]
data += [["%s \n%s" % (_("Comment:"), remark)]]
t = Table(
data, colWidths=[(width - 90 * 2) / 2] * 2, rowHeights=[20, 20, 70, 20, 80]
)
t.setStyle(
TableStyle(
[
("ALIGN", (0, 0), (-1, -1), "CENTER"),
("VALIGN", (-2, -1), (-1, -1), "TOP"),
("VALIGN", (0, 0), (-1, -2), "MIDDLE"),
("INNERGRID", (0, 0), (-1, -1), 0.25, colors.black),
("SPAN", (0, 0), (1, 0)), # line DEBIT/CREDIT
("SPAN", (0, 1), (1, 1)), # line amount
("SPAN", (-2, -1), (-1, -1)), # line comment
("SPAN", (0, -2), (-1, -2)), # line creditor/debtor
("SPAN", (0, 2), (1, 2)), # line payment_mode
("ALIGN", (0, 2), (1, 2), "LEFT"), # line payment_mode
("ALIGN", (-2, -1), (-1, -1), "LEFT"),
("BOX", (0, 0), (-1, -1), 0.25, colors.black),
]
)
)
signature = []
signature += [[_("Signature:")]]
tSig = Table(signature, colWidths=[(width - 90 * 2)], rowHeights=[80])
tSig.setStyle(
TableStyle(
[
("VALIGN", (0, 0), (-1, -1), "TOP"),
("BOX", (0, 0), (-1, -1), 0.25, colors.black),
]
)
)
w, h = tSig.wrapOn(p, 0, 0)
tSig.drawOn(p, 90, 200)
w, h = t.wrapOn(p, 0, 0)
t.drawOn(p, 90, 350)
p.drawCentredString(10.5 * cm, 2 * cm, club_name)
p.drawCentredString(10.5 * cm, 1 * cm, club_address)
p.showPage()
p.save()
return response
class JournalNatureStatementView(JournalTabsMixin, CanViewMixin, DetailView):
"""
Display a statement sorted by labels
"""
model = GeneralJournal
pk_url_kwarg = "j_id"
template_name = "accounting/journal_statement_nature.jinja"
current_tab = "nature_statement"
def statement(self, queryset, movement_type):
ret = collections.OrderedDict()
statement = collections.OrderedDict()
total_sum = 0
for sat in [None] + list(
SimplifiedAccountingType.objects.order_by("label").all()
):
sum = queryset.filter(
accounting_type__movement_type=movement_type, simpleaccounting_type=sat
).aggregate(amount_sum=Sum("amount"))["amount_sum"]
if sat:
sat = sat.label
else:
sat = ""
if sum:
total_sum += sum
statement[sat] = sum
ret[movement_type] = statement
ret[movement_type + "_sum"] = total_sum
return ret
def big_statement(self):
label_list = (
self.object.operations.order_by("label").values_list("label").distinct()
)
labels = Label.objects.filter(id__in=label_list).all()
statement = collections.OrderedDict()
gen_statement = collections.OrderedDict()
no_label_statement = collections.OrderedDict()
gen_statement.update(self.statement(self.object.operations.all(), "CREDIT"))
gen_statement.update(self.statement(self.object.operations.all(), "DEBIT"))
statement[_("General statement")] = gen_statement
no_label_statement.update(
self.statement(self.object.operations.filter(label=None).all(), "CREDIT")
)
no_label_statement.update(
self.statement(self.object.operations.filter(label=None).all(), "DEBIT")
)
statement[_("No label operations")] = no_label_statement
for l in labels:
l_stmt = collections.OrderedDict()
l_stmt.update(
self.statement(self.object.operations.filter(label=l).all(), "CREDIT")
)
l_stmt.update(
self.statement(self.object.operations.filter(label=l).all(), "DEBIT")
)
statement[l] = l_stmt
return statement
def get_context_data(self, **kwargs):
"""Add infos to the context"""
kwargs = super(JournalNatureStatementView, self).get_context_data(**kwargs)
kwargs["statement"] = self.big_statement()
return kwargs
class JournalPersonStatementView(JournalTabsMixin, CanViewMixin, DetailView):
"""
Calculate a dictionary with operation target and sum of operations
"""
model = GeneralJournal
pk_url_kwarg = "j_id"
template_name = "accounting/journal_statement_person.jinja"
current_tab = "person_statement"
def sum_by_target(self, target_id, target_type, movement_type):
return self.object.operations.filter(
accounting_type__movement_type=movement_type,
target_id=target_id,
target_type=target_type,
).aggregate(amount_sum=Sum("amount"))["amount_sum"]
def statement(self, movement_type):
statement = collections.OrderedDict()
for op in (
self.object.operations.filter(accounting_type__movement_type=movement_type)
.order_by("target_type", "target_id")
.distinct()
):
statement[op.target] = self.sum_by_target(
op.target_id, op.target_type, movement_type
)
return statement
def total(self, movement_type):
return sum(self.statement(movement_type).values())
def get_context_data(self, **kwargs):
"""Add journal to the context"""
kwargs = super(JournalPersonStatementView, self).get_context_data(**kwargs)
kwargs["credit_statement"] = self.statement("CREDIT")
kwargs["debit_statement"] = self.statement("DEBIT")
kwargs["total_credit"] = self.total("CREDIT")
kwargs["total_debit"] = self.total("DEBIT")
return kwargs
class JournalAccountingStatementView(JournalTabsMixin, CanViewMixin, DetailView):
"""
Calculate a dictionary with operation type and sum of operations
"""
model = GeneralJournal
pk_url_kwarg = "j_id"
template_name = "accounting/journal_statement_accounting.jinja"
current_tab = "accounting_statement"
def statement(self):
statement = collections.OrderedDict()
for at in AccountingType.objects.order_by("code").all():
sum_by_type = self.object.operations.filter(
accounting_type__code__startswith=at.code
).aggregate(amount_sum=Sum("amount"))["amount_sum"]
if sum_by_type:
statement[at] = sum_by_type
return statement
def get_context_data(self, **kwargs):
"""Add journal to the context"""
kwargs = super(JournalAccountingStatementView, self).get_context_data(**kwargs)
kwargs["statement"] = self.statement()
return kwargs
# Company views
class CompanyListView(CanViewMixin, ListView):
model = Company
template_name = "accounting/co_list.jinja"
class CompanyCreateView(CanCreateMixin, CreateView):
"""
Create a company
"""
model = Company
fields = ["name"]
template_name = "core/create.jinja"
success_url = reverse_lazy("accounting:co_list")
class CompanyEditView(CanCreateMixin, UpdateView):
"""
Edit a company
"""
model = Company
pk_url_kwarg = "co_id"
fields = ["name"]
template_name = "core/edit.jinja"
success_url = reverse_lazy("accounting:co_list")
# Label views
class LabelListView(CanViewMixin, DetailView):
model = ClubAccount
pk_url_kwarg = "clubaccount_id"
template_name = "accounting/label_list.jinja"
class LabelCreateView(
CanCreateMixin, CreateView
): # FIXME we need to check the rights before creating the object
model = Label
form_class = modelform_factory(
Label, fields=["name", "club_account"], widgets={"club_account": HiddenInput}
)
template_name = "core/create.jinja"
def get_initial(self):
ret = super(LabelCreateView, self).get_initial()
if "parent" in self.request.GET.keys():
obj = ClubAccount.objects.filter(id=int(self.request.GET["parent"])).first()
if obj is not None:
ret["club_account"] = obj.id
return ret
class LabelEditView(CanEditMixin, UpdateView):
model = Label
pk_url_kwarg = "label_id"
fields = ["name"]
template_name = "core/edit.jinja"
class LabelDeleteView(CanEditMixin, DeleteView):
model = Label
pk_url_kwarg = "label_id"
template_name = "core/delete_confirm.jinja"
def get_success_url(self):
return self.object.get_absolute_url()
class CloseCustomerAccountForm(forms.Form):
user = AutoCompleteSelectField(
"users", label=_("Refound this account"), help_text=None, required=True
)
class RefoundAccountView(FormView):
"""
Create a selling with the same amount than the current user money
"""
template_name = "accounting/refound_account.jinja"
form_class = CloseCustomerAccountForm
def permission(self, user):
if user.is_root or user.is_in_group(settings.SITH_GROUP_ACCOUNTING_ADMIN_ID):
return True
else:
raise PermissionDenied
def dispatch(self, request, *arg, **kwargs):
res = super(RefoundAccountView, self).dispatch(request, *arg, **kwargs)
if self.permission(request.user):
return res
def post(self, request, *arg, **kwargs):
self.operator = request.user
if self.permission(request.user):
return super(RefoundAccountView, self).post(self, request, *arg, **kwargs)
def form_valid(self, form):
self.customer = form.cleaned_data["user"]
self.create_selling()
return super(RefoundAccountView, self).form_valid(form)
def get_success_url(self):
return reverse("accounting:refound_account")
def create_selling(self):
with transaction.atomic():
uprice = self.customer.customer.amount
refound_club_counter = Counter.objects.get(
id=settings.SITH_COUNTER_REFOUND_ID
)
refound_club = refound_club_counter.club
s = Selling(
label=_("Refound account"),
unit_price=uprice,
quantity=1,
seller=self.operator,
customer=self.customer.customer,
club=refound_club,
counter=refound_club_counter,
product=Product.objects.get(id=settings.SITH_PRODUCT_REFOUND_ID),
)
s.save()