mia-accounting-django/accounting/views.py

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# The accounting application of the Mia project.
# by imacat <imacat@mail.imacat.idv.tw>, 2020/6/30
# Copyright (c) 2020 imacat.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""The view controllers of the accounting application.
"""
import re
from django.conf import settings
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from django.db import transaction
from django.db.models import Sum, Case, When, F, Q, Max
from django.db.models.functions import TruncMonth, Coalesce, Now
from django.shortcuts import render
from django.urls import reverse
from django.utils import timezone
from django.utils.decorators import method_decorator
from django.utils.translation import pgettext, gettext_noop
from django.views.decorators.http import require_GET, require_POST
from django.views.generic import RedirectView
from mia_core.digest_auth import login_required
from mia_core.period import Period
from mia_core.status import success_redirect, error_redirect
from mia_core.utils import Pagination, get_multi_lingual_search, UrlBuilder, \
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strip_form, new_pk
from .models import Record, Transaction, Account, RecordSummary
from .utils import ReportUrl, get_cash_accounts, get_ledger_accounts, \
find_imbalanced, find_order_holes, fill_txn_from_post, \
sort_post_txn_records, make_txn_form_from_status, \
make_txn_form_from_model, make_txn_form_from_post
@method_decorator(require_GET, name="dispatch")
@method_decorator(login_required, name="dispatch")
class CashDefaultView(RedirectView):
"""The default cash account."""
query_string = True
pattern_name = "accounting:cash"
def get_redirect_url(self, *args, **kwargs):
kwargs["account"] = Account.objects.get(
code=settings.ACCOUNTING["DEFAULT_CASH_ACCOUNT"])
kwargs["period"] = Period.default_spec()
return super().get_redirect_url(*args, **kwargs)
@require_GET
@login_required
def cash(request, account, period):
"""The cash account.
Args:
request (HttpRequest) The request.
account (Account): The account.
period (Period): The period.
Returns:
HttpResponse: The response.
"""
# The accounting records
if account.code == "0":
records = list(
Record.objects
.filter(
Q(transaction__in=Transaction.objects.filter(
Q(date__gte=period.start),
Q(date__lte=period.end),
(Q(record__account__code__startswith="11") |
Q(record__account__code__startswith="12") |
Q(record__account__code__startswith="21") |
Q(record__account__code__startswith="22")))),
~Q(account__code__startswith="11"),
~Q(account__code__startswith="12"),
~Q(account__code__startswith="21"),
~Q(account__code__startswith="22"))
.order_by("transaction__date", "transaction__ord",
"is_credit", "ord"))
balance_before = Record.objects \
.filter(
Q(transaction__date__lt=period.start),
(Q(account__code__startswith="11") |
Q(account__code__startswith="12") |
Q(account__code__startswith="21") |
Q(account__code__startswith="21"))) \
.aggregate(
balance=Coalesce(Sum(Case(
When(is_credit=True, then=-1),
default=1) * F("amount")), 0))["balance"]
else:
records = list(
Record.objects
.filter(
Q(transaction__in=Transaction.objects.filter(
Q(date__gte=period.start),
Q(date__lte=period.end),
Q(record__account__code__startswith=account.code))),
~Q(account__code__startswith=account.code))
.order_by("transaction__date", "transaction__ord",
"is_credit", "ord"))
balance_before = Record.objects \
.filter(
transaction__date__lt=period.start,
account__code__startswith=account.code) \
.aggregate(
balance=Coalesce(Sum(Case(When(
is_credit=True, then=-1),
default=1) * F("amount")), 0))["balance"]
balance = balance_before
for record in records:
sign = 1 if record.is_credit else -1
balance = balance + sign * record.amount
record.balance = balance
record_sum = Record(
transaction=(Transaction(date=records[-1].transaction.date)
if len(records) > 0
else Transaction(date=timezone.localdate())),
account=account,
summary=pgettext("Accounting|", "Total"),
balance=balance
)
record_sum.credit_amount = sum([
x.amount for x in records if x.is_credit])
record_sum.debit_amount = sum([
x.amount for x in records if not x.is_credit])
records.insert(0, Record(
transaction=Transaction(date=period.start),
account=Account.objects.get(code="3351"),
is_credit=balance_before >= 0,
amount=abs(balance_before),
balance=balance_before))
records.append(record_sum)
pagination = Pagination(request, records, True)
records = pagination.items
find_imbalanced(records)
find_order_holes(records)
accounts = get_cash_accounts()
shortcut_accounts = settings.ACCOUNTING["CASH_SHORTCUT_ACCOUNTS"]
return render(request, "accounting/cash.html", {
"item_list": records,
"pagination": pagination,
"account": account,
"period": period,
"reports": ReportUrl(cash=account, period=period),
"shortcut_accounts": [x for x in accounts
if x.code in shortcut_accounts],
"all_accounts": [x for x in accounts
if x.code not in shortcut_accounts],
})
@method_decorator(require_GET, name="dispatch")
@method_decorator(login_required, name="dispatch")
class CashSummaryDefaultView(RedirectView):
"""The default cash account summary."""
query_string = True
pattern_name = "accounting:cash-summary"
def get_redirect_url(self, *args, **kwargs):
kwargs["account"] = Account.objects.get(
code=settings.ACCOUNTING["DEFAULT_CASH_ACCOUNT"])
return super().get_redirect_url(*args, **kwargs)
@require_GET
@login_required
def cash_summary(request, account):
"""The cash account summary.
Args:
request (HttpRequest) The request.
account (Account): The account.
Returns:
HttpResponse: The response.
"""
# The account
accounts = get_cash_accounts()
# The month summaries
if account.code == "0":
months = [RecordSummary(**x) for x in Record.objects
.filter(
Q(transaction__in=Transaction.objects.filter(
Q(record__account__code__startswith="11") |
Q(record__account__code__startswith="12") |
Q(record__account__code__startswith="21") |
Q(record__account__code__startswith="22"))),
~Q(account__code__startswith="11"),
~Q(account__code__startswith="12"),
~Q(account__code__startswith="21"),
~Q(account__code__startswith="22"))
.annotate(month=TruncMonth("transaction__date"))
.values("month")
.order_by("month")
.annotate(
debit=Coalesce(
Sum(Case(When(is_credit=False, then=F("amount")))),
0),
credit=Coalesce(
Sum(Case(When(is_credit=True, then=F("amount")))),
0),
balance=Sum(Case(
When(is_credit=False, then=-F("amount")),
default=F("amount"))))]
else:
months = [RecordSummary(**x) for x in Record.objects
.filter(
Q(transaction__in=Transaction.objects.filter(
record__account__code__startswith=account.code)),
~Q(account__code__startswith=account.code))
.annotate(month=TruncMonth("transaction__date"))
.values("month")
.order_by("month")
.annotate(
debit=Coalesce(
Sum(Case(When(is_credit=False, then=F("amount")))),
0),
credit=Coalesce(
Sum(Case(When(is_credit=True, then=F("amount")))),
0),
balance=Sum(Case(
When(is_credit=False, then=-F("amount")),
default=F("amount"))))]
cumulative_balance = 0
for month in months:
cumulative_balance = cumulative_balance + month.balance
month.cumulative_balance = cumulative_balance
months.append(RecordSummary(
label=pgettext("Accounting|", "Total"),
credit=sum([x.credit for x in months]),
debit=sum([x.debit for x in months]),
balance=sum([x.balance for x in months]),
cumulative_balance=cumulative_balance,
))
pagination = Pagination(request, months, True)
shortcut_accounts = settings.ACCOUNTING["CASH_SHORTCUT_ACCOUNTS"]
return render(request, "accounting/cash-summary.html", {
"item_list": pagination.items,
"pagination": pagination,
"account": account,
"reports": ReportUrl(cash=account),
"shortcut_accounts": [x for x in accounts if
x.code in shortcut_accounts],
"all_accounts": [x for x in accounts if
x.code not in shortcut_accounts],
})
@method_decorator(require_GET, name="dispatch")
@method_decorator(login_required, name="dispatch")
class LedgerDefaultView(RedirectView):
"""The default ledger."""
query_string = True
pattern_name = "accounting:ledger"
def get_redirect_url(self, *args, **kwargs):
kwargs["account"] = Account.objects.get(
code=settings.ACCOUNTING["DEFAULT_LEDGER_ACCOUNT"])
kwargs["period"] = Period.default_spec()
return super().get_redirect_url(*args, **kwargs)
@require_GET
@login_required
def ledger(request, account, period):
"""The ledger.
Args:
request (HttpRequest) The request.
account (Account): The account.
period (Period): The period.
Returns:
HttpResponse: The response.
"""
# The accounting records
records = list(
Record.objects
.filter(
transaction__date__gte=period.start,
transaction__date__lte=period.end,
account__code__startswith=account.code)
.order_by("transaction__date", "transaction__ord", "is_credit",
"ord"))
if re.match("^[1-3]", account.code) is not None:
balance = Record.objects \
.filter(
transaction__date__lt=period.start,
account__code__startswith=account.code) \
.aggregate(
balance=Coalesce(Sum(Case(When(
is_credit=True, then=-1),
default=1) * F("amount")), 0))["balance"]
record_brought_forward = Record(
transaction=Transaction(date=period.start),
account=account,
summary=pgettext("Accounting|", "Brought Forward"),
is_credit=balance < 0,
amount=abs(balance),
balance=balance,
)
else:
balance = 0
record_brought_forward = None
for record in records:
balance = balance + \
(-1 if record.is_credit else 1) * record.amount
record.balance = balance
if record_brought_forward is not None:
records.insert(0, record_brought_forward)
pagination = Pagination(request, records, True)
records = pagination.items
find_imbalanced(records)
find_order_holes(records)
return render(request, "accounting/ledger.html", {
"item_list": records,
"pagination": pagination,
"account": account,
"period": period,
"reports": ReportUrl(ledger=account, period=period),
"accounts": get_ledger_accounts(),
})
@method_decorator(require_GET, name="dispatch")
@method_decorator(login_required, name="dispatch")
class LedgerSummaryDefaultView(RedirectView):
"""The default ledger summary."""
query_string = True
pattern_name = "accounting:ledger-summary"
def get_redirect_url(self, *args, **kwargs):
kwargs["account"] = Account.objects.get(
code=settings.ACCOUNTING["DEFAULT_LEDGER_ACCOUNT"])
return super().get_redirect_url(*args, **kwargs)
@require_GET
@login_required
def ledger_summary(request, account):
"""The ledger summary report.
Args:
request (HttpRequest) The request.
account (Account): The account.
Returns:
HttpResponse: The response.
"""
# The month summaries
months = [RecordSummary(**x) for x in Record.objects
.filter(account__code__startswith=account.code)
.annotate(month=TruncMonth("transaction__date"))
.values("month")
.order_by("month")
.annotate(
debit=Coalesce(
Sum(Case(When(is_credit=False, then=F("amount")))),
0),
credit=Coalesce(
Sum(Case(When(is_credit=True, then=F("amount")))),
0),
balance=Sum(Case(
When(is_credit=False, then=F("amount")),
default=-F("amount"))))]
cumulative_balance = 0
for month in months:
cumulative_balance = cumulative_balance + month.balance
month.cumulative_balance = cumulative_balance
months.append(RecordSummary(
label=pgettext("Accounting|", "Total"),
credit=sum([x.credit for x in months]),
debit=sum([x.debit for x in months]),
balance=sum([x.balance for x in months]),
cumulative_balance=cumulative_balance,
))
pagination = Pagination(request, months, True)
return render(request, "accounting/ledger-summary.html", {
"item_list": pagination.items,
"pagination": pagination,
"account": account,
"reports": ReportUrl(ledger=account),
"accounts": get_ledger_accounts(),
})
@method_decorator(require_GET, name="dispatch")
@method_decorator(login_required, name="dispatch")
class JournalDefaultView(RedirectView):
"""The default journal."""
query_string = True
pattern_name = "accounting:journal"
def get_redirect_url(self, *args, **kwargs):
kwargs["period"] = Period.default_spec()
return super().get_redirect_url(*args, **kwargs)
@require_GET
@login_required
def journal(request, period):
"""The journal.
Args:
request (HttpRequest) The request.
period (Period): The period.
Returns:
HttpResponse: The response.
"""
# The accounting records
records = Record.objects \
.filter(
transaction__date__gte=period.start,
transaction__date__lte=period.end) \
.order_by("transaction__date", "transaction__ord", "is_credit", "ord")
# The brought-forward records
brought_forward_accounts = Account.objects \
.filter(
Q(code__startswith="1")
| Q(code__startswith="2")
| Q(code__startswith="3")) \
.annotate(balance=Sum(
Case(
When(record__is_credit=True, then=-1),
default=1
) * F("record__amount"),
filter=Q(record__transaction__date__lt=period.start))) \
.filter(~Q(balance=0))
debit_records = [Record(
transaction=Transaction(date=period.start),
account=x,
is_credit=False,
amount=x.balance
) for x in brought_forward_accounts if x.balance > 0]
credit_records = [Record(
transaction=Transaction(date=period.start),
account=x,
is_credit=True,
amount=-x.balance
) for x in brought_forward_accounts if x.balance < 0]
sum_debits = sum([x.amount for x in debit_records])
sum_credits = sum([x.amount for x in credit_records])
if sum_debits < sum_credits:
debit_records.append(Record(
transaction=Transaction(date=period.start),
account=Account.objects.get(code="3351"),
is_credit=False,
amount=sum_credits - sum_debits
))
elif sum_debits > sum_credits:
credit_records.append(Record(
transaction=Transaction(date=period.start),
account=Account.objects.get(code="3351"),
is_credit=True,
amount=sum_debits - sum_credits
))
records = list(debit_records) + list(credit_records) + list(records)
pagination = Pagination(request, records, True)
return render(request, "accounting/journal.html", {
"item_list": pagination.items,
"pagination": pagination,
"reports": ReportUrl(period=period),
"period": period,
})
@method_decorator(require_GET, name="dispatch")
@method_decorator(login_required, name="dispatch")
class TrialBalanceDefaultView(RedirectView):
"""The default trial balance."""
query_string = True
pattern_name = "accounting:trial-balance"
def get_redirect_url(self, *args, **kwargs):
kwargs["period"] = Period.default_spec()
return super().get_redirect_url(*args, **kwargs)
@require_GET
@login_required
def trial_balance(request, period):
"""The trial balance.
Args:
request (HttpRequest) The request.
period (Period): The period.
Returns:
HttpResponse: The response.
"""
# The accounts
nominal = list(
Account.objects
.filter(
Q(record__transaction__date__gte=period.start),
Q(record__transaction__date__lte=period.end),
~(Q(code__startswith="1")
| Q(code__startswith="2")
| Q(code__startswith="3")))
.annotate(
balance=Sum(Case(
When(record__is_credit=True, then=-1),
default=1) * F("record__amount")))
.filter(balance__isnull=False)
.annotate(
debit=Case(
When(balance__gt=0, then=F("balance")),
default=None),
credit=Case(
When(balance__lt=0, then=-F("balance")),
default=None))
.order_by("code"))
real = list(
Account.objects
.filter(
Q(record__transaction__date__lte=period.end),
(Q(code__startswith="1")
| Q(code__startswith="2")
| Q(code__startswith="3")),
~Q(code="3351"))
.annotate(
balance=Sum(Case(
When(record__is_credit=True, then=-1),
default=1) * F("record__amount")))
.filter(balance__isnull=False)
.annotate(
debit=Case(
When(balance__gt=0, then=F("balance")),
default=None),
credit=Case(
When(balance__lt=0, then=-F("balance")),
default=None))
.order_by("code"))
balance = Record.objects \
.filter(
(Q(transaction__date__lt=period.start)
& ~(Q(account__code__startswith="1")
| Q(account__code__startswith="2")
| Q(account__code__startswith="3")))
| (Q(transaction__date__lte=period.end)
& Q(account__code="3351"))) \
.aggregate(
balance=Sum(Case(
When(is_credit=True, then=-1),
default=1) * F("amount")))["balance"]
if balance is not None and balance != 0:
brought_forward = Account.objects.get(code="3351")
if balance > 0:
brought_forward.debit = balance
brought_forward.credit = 0
else:
brought_forward.debit = None
brought_forward.credit = -balance
real.append(brought_forward)
accounts = nominal + real
accounts.sort(key=lambda x: x.code)
total_account = Account()
total_account.title = pgettext("Accounting|", "Total")
total_account.debit = sum([x.debit for x in accounts
if x.debit is not None])
total_account.credit = sum([x.credit for x in accounts
if x.credit is not None])
return render(request, "accounting/trial-balance.html", {
"item_list": accounts,
"total_item": total_account,
"reports": ReportUrl(period=period),
"period": period,
})
@method_decorator(require_GET, name="dispatch")
@method_decorator(login_required, name="dispatch")
class IncomeStatementDefaultView(RedirectView):
"""The default income statement."""
query_string = True
pattern_name = "accounting:income-statement"
def get_redirect_url(self, *args, **kwargs):
kwargs["period"] = Period.default_spec()
return super().get_redirect_url(*args, **kwargs)
@require_GET
@login_required
def income_statement(request, period):
"""The income statement.
Args:
request (HttpRequest) The request.
period (Period): The period.
Returns:
HttpResponse: The response.
"""
# The accounts
accounts = list(
Account.objects
.filter(
Q(record__transaction__date__gte=period.start),
Q(record__transaction__date__lte=period.end),
~(Q(code__startswith="1")
| Q(code__startswith="2")
| Q(code__startswith="3")))
.annotate(
balance=Sum(Case(
When(record__is_credit=True, then=1),
default=-1) * F("record__amount")))
.filter(balance__isnull=False)
.order_by("code"))
groups = list(Account.objects.filter(
code__in=[x.code[:2] for x in accounts]))
sections = list(Account.objects.filter(
Q(code="4") | Q(code="5") | Q(code="6")
| Q(code="7") | Q(code="8") | Q(code="9")).order_by("code"))
cumulative_accounts = {
"5": Account(title=pgettext("Accounting|", "Gross Income")),
"6": Account(title=pgettext("Accounting|", "Operating Income")),
"7": Account(title=pgettext("Accounting|", "Before Tax Income")),
"8": Account(title=pgettext("Accounting|", "After Tax Income")),
"9": Account.objects.get(code="3353"),
}
cumulative_total = 0
for section in sections:
section.groups = [x for x in groups
if x.code[:1] == section.code]
for group in section.groups:
group.details = [x for x in accounts
if x.code[:2] == group.code]
group.balance = None
group.total = sum([x.balance
for x in group.details])
section.balance = None
section.total = sum([x.total for x in section.groups])
cumulative_total = cumulative_total + section.total
if section.code in cumulative_accounts:
section.cumulative_total \
= cumulative_accounts[section.code]
section.cumulative_total.balance = None
section.cumulative_total.total = cumulative_total
else:
section.cumulative_total = None
section.has_next = True
sections[-1].has_next = False
return render(request, "accounting/income-statement.html", {
"item_list": sections,
"reports": ReportUrl(period=period),
"period": period,
})
@method_decorator(require_GET, name="dispatch")
@method_decorator(login_required, name="dispatch")
class BalanceSheetDefaultView(RedirectView):
"""The default balance sheet."""
query_string = True
pattern_name = "accounting:balance-sheet"
def get_redirect_url(self, *args, **kwargs):
kwargs["period"] = Period.default_spec()
return super().get_redirect_url(*args, **kwargs)
@require_GET
@login_required
def balance_sheet(request, period):
"""The balance sheet.
Args:
request (HttpRequest) The request.
period (Period): The period.
Returns:
HttpResponse: The response.
"""
# The accounts
accounts = list(
Account.objects
.filter(
Q(record__transaction__date__lte=period.end),
(Q(code__startswith="1")
| Q(code__startswith="2")
| Q(code__startswith="3")),
~Q(code="3351"))
.annotate(
balance=Sum(Case(
When(record__is_credit=True, then=-1),
default=1) * F("record__amount")))
.filter(balance__isnull=False)
.order_by("code"))
for account in accounts:
account.url = reverse("accounting:ledger", args=(account, period))
balance = Record.objects \
.filter(
Q(transaction__date__lt=period.start)
& ~((Q(account__code__startswith="1")
| Q(account__code__startswith="2")
| Q(account__code__startswith="3"))
& ~Q(account__code="3351"))) \
.aggregate(
balance=Sum(Case(
When(is_credit=True, then=-1),
default=1) * F("amount")))["balance"]
if balance is not None and balance != 0:
brought_forward = Account.objects.get(code="3351")
brought_forward.balance = balance
brought_forward.url = reverse(
"accounting:income-statement", args=(period,))
accounts.append(brought_forward)
balance = Record.objects \
.filter(
Q(transaction__date__gte=period.start)
& Q(transaction__date__lte=period.end)
& ~((Q(account__code__startswith="1")
| Q(account__code__startswith="2")
| Q(account__code__startswith="3"))
& ~Q(account__code="3351"))) \
.aggregate(
balance=Sum(Case(
When(is_credit=True, then=-1),
default=1) * F("amount")))["balance"]
if balance is not None and balance != 0:
net_income = Account.objects.get(code="3353")
net_income.balance = balance
net_income.url = reverse(
"accounting:income-statement", args=(period,))
accounts.append(net_income)
for account in [x for x in accounts if x.code[0] in "23"]:
account.balance = -account.balance
groups = list(Account.objects.filter(
code__in=[x.code[:2] for x in accounts]))
sections = list(Account.objects.filter(
Q(code="1") | Q(code="2") | Q(code="3")).order_by("code"))
for section in sections:
section.groups = [x for x in groups
if x.code[:1] == section.code]
for group in section.groups:
group.details = [x for x in accounts
if x.code[:2] == group.code]
group.balance = sum([x.balance
for x in group.details])
section.balance = sum([x.balance for x in section.groups])
by_code = {x.code: x for x in sections}
return render(request, "accounting/balance-sheet.html", {
"assets": by_code["1"],
"liabilities": by_code["2"],
"owners_equity": by_code["3"],
"reports": ReportUrl(period=period),
"period": period,
})
@require_GET
@login_required
def search(request):
"""The search.
Args:
request (HttpRequest) The request.
Returns:
HttpResponse: The response.
"""
# The accounting records
query = request.GET.get("q")
if query is None:
records = []
else:
records = Record.objects.filter(
get_multi_lingual_search("account__title", query)
| Q(account__code__icontains=query)
| Q(summary__icontains=query)
| Q(transaction__note__icontains=query))
pagination = Pagination(request, records, True)
return render(request, "accounting/search.html", {
"item_list": pagination.items,
"pagination": pagination,
"reports": ReportUrl(),
})
@require_GET
@login_required
def txn_show(request, txn_type, txn):
"""The view of an accounting transaction.
Args:
request (HttpRequest): The request.
txn_type (str): The transaction type.
txn (Transaction): The transaction.
Returns:
HttpResponse: The response.
"""
return render(request, F"accounting/transactions/{txn_type}/view.html", {
"item": txn,
})
@require_GET
@login_required
def txn_edit(request, txn_type, txn=None):
"""The view to edit an accounting transaction.
Args:
request (HttpRequest): The request.
txn_type (str): The transaction type.
txn (Transaction): The transaction.
Returns:
HttpResponse: The response.
"""
form = make_txn_form_from_status(request, txn_type, txn)
if form is None:
exists = txn is not None
if txn is None:
txn = Transaction(date=timezone.localdate())
if len(txn.debit_records) == 0:
txn.records.append(Record(ord=1, is_credit=False))
if len(txn.credit_records) == 0:
txn.records.append(Record(ord=1, is_credit=True))
form = make_txn_form_from_model(txn, exists)
return render(request, F"accounting/transactions/{txn_type}/form.html", {
"item": form,
})
@require_POST
@login_required
def txn_store(request, txn_type, txn=None):
"""The view to store an accounting transaction.
Args:
request (HttpRequest): The request.
txn_type (str): The transaction type.
txn (Transaction): The transaction.
Returns:
HttpResponse: The response.
"""
post = request.POST.dict()
strip_form(post)
sort_post_txn_records(post)
form = make_txn_form_from_post(post, txn_type, txn)
if not form.is_valid():
if txn is None:
url = reverse("accounting:transactions.create", args=(txn_type,))
else:
url = reverse("accounting:transactions.edit", args=(txn_type, txn))
url = str(UrlBuilder(url).set("r", request.GET.get("r")))
return error_redirect(request, url, post)
if txn is None:
txn = Transaction()
fill_txn_from_post(txn, post)
if not txn.is_dirty():
url = reverse("accounting:transactions.show", args=(txn_type, txn))
url = str(UrlBuilder(url).set("r", request.GET.get("r")))
message = gettext_noop("This transaction was not modified.")
return success_redirect(request, url, message)
2020-08-02 11:01:36 +08:00
with transaction.atomic():
user = request.user
if txn.pk is None:
max_ord = Transaction.objects\
.filter(date=txn.date)\
.annotate(max=Max("ord"))\
.first()
txn.pk = new_pk(Transaction)
txn.ord = 1 if max_ord is None else max_ord.max + 1
txn.created_at = Now()
txn.created_by = user
txn.updated_at = Now()
txn.updated_by = user
txn.save()
existing = [x.pk for x in txn.records if x.pk is not None]
for record in [x for x in txn.record_set.all()
if x.pk not in existing]:
record.delete()
for record in txn.records:
if record.pk is None:
record.pk = new_pk(Record)
record.created_at = Now()
record.created_by = user
record.updated_at = Now()
record.updated_by = user
record.save()
url = reverse("accounting:transactions.show", args=(txn_type, txn))
url = str(UrlBuilder(url).set("r", request.GET.get("r")))
message = gettext_noop("This transaction was saved successfully.")
return success_redirect(request, url, message)