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Replaced the SQL query in the cash account summary with the Django model query in the accounting application.

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This commit is contained in:
依瑪貓 2020-07-18 23:42:15 +08:00
parent b20b82698b
commit b8eb78cc9f
1 changed files with 40 additions and 60 deletions
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100
accounting/views/__init__.py
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@ -231,68 +231,48 @@ def cash_summary(request, subject_code):
if current_subject is None:
raise Http404()
# The accounting records
if connection.vendor == "postgresql":
month_definition = "CAST(DATE_TRUNC('month', t.date) AS date)"
elif connection.vendor == "sqlite":
month_definition = "DATE(t.date, 'start of month')"
else:
month_definition = None
q = Transaction.objects.filter(
Q(record__subject__code__startswith="11") |
Q(record__subject__code__startswith="12") |
Q(record__subject__code__startswith="21") |
Q(record__subject__code__startswith="22")).values("sn")
if current_subject.code == "0":
records = list(RecordSummary.objects.raw(
f"""SELECT
{month_definition} AS month,
SUM(CASE WHEN r.is_credit THEN r.amount ELSE 0 END) AS credit,
SUM(CASE WHEN r.is_credit THEN 0 ELSE r.amount END) AS debit,
SUM(CASE WHEN r.is_credit THEN 1 ELSE -1 END * r.amount) AS balance
FROM accounting_records AS r
INNER JOIN (SELECT
t1.sn AS sn,
t1.date AS date,
t1.ord AS ord
FROM accounting_records AS r1
LEFT JOIN accounting_transactions AS t1 ON r1.transaction_sn=t1.sn
LEFT JOIN accounting_subjects AS s1 ON r1.subject_sn = s1.sn
WHERE s1.code LIKE '11%%'
OR s1.code LIKE '12%%'
OR s1.code LIKE '21%%'
OR s1.code LIKE '22%%'
GROUP BY t1.sn) AS t
ON r.transaction_sn=t.sn
LEFT JOIN accounting_subjects AS s ON r.subject_sn = s.sn
WHERE s.code NOT LIKE '11%%'
AND s.code NOT LIKE '12%%'
AND s.code NOT LIKE '21%%'
AND s.code NOT LIKE '22%%'
GROUP BY month
ORDER BY month"""))
records = [RecordSummary(**x) for x in Record.objects.filter(
Q(transaction__in=Transaction.objects.filter(
Q(record__subject__code__startswith="11") |
Q(record__subject__code__startswith="12") |
Q(record__subject__code__startswith="21") |
Q(record__subject__code__startswith="22"))),
~Q(subject__code__startswith="11"),
~Q(subject__code__startswith="12"),
~Q(subject__code__startswith="21"),
~Q(subject__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:
records = list(RecordSummary.objects.raw(
f"""SELECT
{month_definition} AS month,
SUM(CASE WHEN r.is_credit THEN r.amount ELSE 0 END) AS credit,
SUM(CASE WHEN r.is_credit THEN 0 ELSE r.amount END) AS debit,
SUM(CASE WHEN r.is_credit THEN 1 ELSE -1 END * r.amount) AS balance
FROM accounting_records AS r
INNER JOIN (SELECT
t1.sn AS sn,
t1.date AS date,
t1.ord AS ord
FROM accounting_records AS r1
LEFT JOIN accounting_transactions AS t1 ON r1.transaction_sn=t1.sn
LEFT JOIN accounting_subjects AS s1 ON r1.subject_sn = s1.sn
WHERE s1.code LIKE %s
GROUP BY t1.sn) AS t
ON r.transaction_sn=t.sn
LEFT JOIN accounting_subjects AS s ON r.subject_sn = s.sn
WHERE s.code NOT LIKE %s
GROUP BY month
ORDER BY month""",
[current_subject.code + "%", current_subject.code + "%"]))
records = [RecordSummary(**x) for x in Record.objects.filter(
Q(transaction__in=Transaction.objects.filter(
record__subject__code__startswith=current_subject.code)),
~Q(subject__code__startswith=current_subject.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 record in records:
cumulative_balance = cumulative_balance + record.balance