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arrr-erp/app/modules/accounting/accounting_mirror_service.py
T

410 lines
15 KiB
Python

from __future__ import annotations
from typing import Any
from app.modules.accounting.agent_bridge import request_agent_command
DEFAULT_QUERY_TIMEOUT_SECONDS = 45
DEFAULT_SYNC_TIMEOUT_SECONDS = 330
class AccountingMirrorError(RuntimeError):
pass
def _unwrap(response: dict[str, Any]) -> dict[str, Any]:
if not isinstance(response, dict):
raise AccountingMirrorError("ERP Local Agent returned an invalid response.")
if not response.get("ok"):
raise AccountingMirrorError(str(response.get("error") or "ERP Local Agent command failed."))
result = response.get("result")
if not isinstance(result, dict):
raise AccountingMirrorError("ERP Local Agent returned an invalid mirror result.")
return result
def mirror_status(*, node_code: str, accounting_payload: dict[str, Any]) -> dict[str, Any]:
response = request_agent_command(
node_code,
"accounting_mirror_status",
accounting_payload,
timeout_seconds=DEFAULT_QUERY_TIMEOUT_SECONDS,
)
return _unwrap(response)
def mirror_sync(
*,
node_code: str,
accounting_payload: dict[str, Any],
company_name: str = "",
company_guid: str = "",
dsn: str = "TallyODBC64_9000",
timeout_seconds: int = DEFAULT_SYNC_TIMEOUT_SECONDS,
) -> dict[str, Any]:
payload = dict(accounting_payload or {})
payload.update(
{
"company_name": str(company_name or "").strip(),
"company_guid": str(company_guid or "").strip(),
"dsn": str(dsn or "TallyODBC64_9000").strip(),
"timeout_seconds": max(60, int(timeout_seconds)),
}
)
response = request_agent_command(
node_code,
"accounting_mirror_sync",
payload,
timeout_seconds=max(60, int(timeout_seconds)),
)
return _unwrap(response)
def mirror_query(
*,
node_code: str,
accounting_payload: dict[str, Any],
query: str,
filters: dict[str, Any] | None = None,
timeout_seconds: int = DEFAULT_QUERY_TIMEOUT_SECONDS,
) -> dict[str, Any]:
payload = dict(accounting_payload or {})
payload.update({"query": str(query or "").strip(), "filters": filters or {}})
response = request_agent_command(
node_code,
"accounting_mirror_query",
payload,
timeout_seconds=max(10, int(timeout_seconds)),
)
return _unwrap(response)
def daybook(*, node_code: str, accounting_payload: dict[str, Any], from_date="", to_date="", limit=500):
return mirror_query(
node_code=node_code,
accounting_payload=accounting_payload,
query="daybook",
filters={"from_date": from_date, "to_date": to_date, "limit": limit},
)
def trial_balance(*, node_code: str, accounting_payload: dict[str, Any], limit=5000):
return mirror_query(
node_code=node_code,
accounting_payload=accounting_payload,
query="trial_balance",
filters={"limit": limit},
)
def ledger_transactions(
*,
node_code: str,
accounting_payload: dict[str, Any],
ledger_name: str,
from_date="",
to_date="",
limit=5000,
):
return mirror_query(
node_code=node_code,
accounting_payload=accounting_payload,
query="ledger_transactions",
filters={
"ledger_name": ledger_name,
"from_date": from_date,
"to_date": to_date,
"limit": limit,
},
)
def inventory(
*,
node_code: str,
accounting_payload: dict[str, Any],
stock_item_name: str = "",
from_date="",
to_date="",
limit=5000,
):
return mirror_query(
node_code=node_code,
accounting_payload=accounting_payload,
query="inventory",
filters={
"stock_item_name": stock_item_name,
"from_date": from_date,
"to_date": to_date,
"limit": limit,
},
)
def stock_items(*, node_code: str, accounting_payload: dict[str, Any], limit=5000):
return mirror_query(
node_code=node_code,
accounting_payload=accounting_payload,
query="stock_items",
filters={"limit": limit},
)
def hsn_history(*, node_code: str, accounting_payload: dict[str, Any], stock_item_name: str):
return mirror_query(
node_code=node_code,
accounting_payload=accounting_payload,
query="hsn_history",
filters={"stock_item_name": stock_item_name},
)
def gst_history(*, node_code: str, accounting_payload: dict[str, Any], stock_item_name: str):
return mirror_query(
node_code=node_code,
accounting_payload=accounting_payload,
query="gst_history",
filters={"stock_item_name": stock_item_name},
)
def cash_transactions(
*,
node_code: str,
accounting_payload: dict[str, Any],
ledger_name: str = "Cash",
from_date="",
to_date="",
limit=5000,
):
return mirror_query(
node_code=node_code,
accounting_payload=accounting_payload,
query="cash_transactions",
filters={
"ledger_name": ledger_name,
"from_date": from_date,
"to_date": to_date,
"limit": limit,
},
)
def voucher(*, node_code: str, accounting_payload: dict[str, Any], voucher_guid: str):
return mirror_query(
node_code=node_code,
accounting_payload=accounting_payload,
query="voucher",
filters={"voucher_guid": voucher_guid},
)
def mirror_exceptions(*, node_code: str, accounting_payload: dict[str, Any], limit=5000):
return mirror_query(
node_code=node_code,
accounting_payload=accounting_payload,
query="exceptions",
filters={"limit": limit},
)
def refresh_masters(*, node_code: str, accounting_payload: dict[str, Any], tally_guid: str,
requested_by_user_id: int | None = None) -> dict[str, Any]:
payload = dict(accounting_payload or {})
payload["tally_guid"] = str(tally_guid or "").strip()
if requested_by_user_id is not None:
payload["requested_by_user_id"] = int(requested_by_user_id)
return _unwrap(request_agent_command(
node_code, "accounting_sync_masters", payload, timeout_seconds=330
))
def refresh_transactions(*, node_code: str, accounting_payload: dict[str, Any], tally_guid: str,
date_from: str, date_to: str,
requested_by_user_id: int | None = None) -> dict[str, Any]:
payload = dict(accounting_payload or {})
payload.update({"tally_guid": str(tally_guid or "").strip(),
"date_from": str(date_from or "").strip(),
"date_to": str(date_to or "").strip()})
if requested_by_user_id is not None:
payload["requested_by_user_id"] = int(requested_by_user_id)
return _unwrap(request_agent_command(
node_code, "accounting_sync_transactions", payload, timeout_seconds=330
))
def _creditor_movements(
*,
node_code: str,
accounting_payload: dict[str, Any],
from_date: str,
to_date: str,
limit: int = 50000,
) -> dict[str, Any]:
return mirror_query(
node_code=node_code,
accounting_payload=accounting_payload,
query="sundry_creditor_movements",
filters={
"from_date": str(from_date or "").strip(),
"to_date": str(to_date or "").strip(),
"limit": max(1, min(100000, int(limit or 50000))),
},
timeout_seconds=90,
)
def sundry_creditors_aging(
*,
node_code: str,
accounting_payload: dict[str, Any],
fy_start: str,
fy_end: str,
follow_up_accounting_payload: dict[str, Any] | None = None,
follow_up_start: str = "",
follow_up_end: str = "",
limit: int = 50000,
) -> dict[str, Any]:
"""Age Sundry Creditors at FY close and optionally trace later settlement.
The v3 Accounting Mirror does not yet persist Tally bill-allocation references.
Accordingly this routine performs a transparent FIFO allocation over the actual
creditor-ledger movements. Debit-side payments, sales and credit adjustments
settle the oldest credit balance first.
"""
from datetime import date as _date, timedelta as _timedelta
current = _creditor_movements(
node_code=node_code, accounting_payload=accounting_payload,
from_date=fy_start, to_date=fy_end, limit=limit,
)
later = {"ledgers": [], "rows": []}
if follow_up_accounting_payload is not None and follow_up_start and follow_up_end:
later = _creditor_movements(
node_code=node_code, accounting_payload=follow_up_accounting_payload,
from_date=follow_up_start, to_date=follow_up_end, limit=limit,
)
fy_start_date = _date.fromisoformat(fy_start)
fy_end_date = _date.fromisoformat(fy_end)
opening_date = fy_start_date - _timedelta(days=1)
ledger_meta = {str(x.get("ledger_name") or "").casefold(): x for x in (current.get("ledgers") or [])}
current_rows = current.get("rows") or []
later_rows = later.get("rows") or []
by_ledger: dict[str, list[dict[str, Any]]] = {}
for row in current_rows:
name = str(row.get("ledger_name") or "").strip()
if name:
by_ledger.setdefault(name, []).append(row)
later_by_ledger: dict[str, list[dict[str, Any]]] = {}
for row in later_rows:
name = str(row.get("ledger_name") or "").strip()
if name:
later_by_ledger.setdefault(name, []).append(row)
parties: list[dict[str, Any]] = []
details: list[dict[str, Any]] = []
for party_name in sorted({str(x.get("ledger_name") or "").strip() for x in current.get("ledgers") or [] if str(x.get("ledger_name") or "").strip()}, key=str.casefold):
meta = ledger_meta.get(party_name.casefold()) or {}
opening_raw = float(meta.get("opening_balance") or 0)
opening_credit = max(0.0, opening_raw)
lots: list[dict[str, Any]] = []
if opening_credit > 0.009:
lots.append({
"party_name": party_name, "source": "Opening Balance", "voucher_date": opening_date.isoformat(),
"voucher_type": "Opening", "voucher_number": "", "reference": "",
"original_credit": opening_credit, "remaining": opening_credit,
"outstanding_at_fy_end": 0.0, "paid_subsequently": 0.0, "final_payment_date": "",
})
def settle(amount: float, paid_on: str, track_later: bool = False):
remaining = max(0.0, float(amount or 0))
for lot in lots:
if remaining <= 0.009:
break
available = float(lot.get("remaining") or 0)
if available <= 0.009:
continue
applied = min(available, remaining)
lot["remaining"] = round(available - applied, 2)
remaining = round(remaining - applied, 2)
if track_later and lot.get("outstanding_at_fy_end", 0) > 0:
eligible = max(0.0, float(lot["outstanding_at_fy_end"]) - float(lot.get("paid_subsequently") or 0))
later_applied = min(eligible, applied)
if later_applied > 0:
lot["paid_subsequently"] = round(float(lot.get("paid_subsequently") or 0) + later_applied, 2)
if float(lot["outstanding_at_fy_end"]) - float(lot["paid_subsequently"]) <= 0.009:
lot["final_payment_date"] = paid_on
for row in sorted(by_ledger.get(party_name, []), key=lambda r: (str(r.get("voucher_date") or ""), int(r.get("line_no") or 0))):
amount = abs(float(row.get("amount") or 0))
if amount <= 0.009:
continue
side = str(row.get("dr_cr") or "").upper()
if side == "CR":
lots.append({
"party_name": party_name, "source": "Voucher", "voucher_date": str(row.get("voucher_date") or ""),
"voucher_type": str(row.get("voucher_type") or ""), "voucher_number": str(row.get("voucher_number") or ""),
"reference": str(row.get("reference") or ""), "original_credit": amount, "remaining": amount,
"outstanding_at_fy_end": 0.0, "paid_subsequently": 0.0, "final_payment_date": "",
})
elif side == "DR":
settle(amount, str(row.get("voucher_date") or ""), False)
closing_lots = [lot for lot in lots if float(lot.get("remaining") or 0) > 0.009]
if not closing_lots:
continue
for lot in closing_lots:
lot["outstanding_at_fy_end"] = round(float(lot["remaining"]), 2)
# Trace subsequent debit settlements only. Later credits create new liabilities
# and must not alter the settlement status of FY-end lots.
for row in sorted(later_by_ledger.get(party_name, []), key=lambda r: (str(r.get("voucher_date") or ""), int(r.get("line_no") or 0))):
if str(row.get("dr_cr") or "").upper() == "DR":
settle(abs(float(row.get("amount") or 0)), str(row.get("voucher_date") or ""), True)
within_180 = over_180 = paid_later = still_unpaid = 0.0
final_dates: list[str] = []
for lot in closing_lots:
lot_date = _date.fromisoformat(str(lot["voucher_date"]))
age_days = (fy_end_date - lot_date).days
bucket = ">180 Days" if age_days > 180 else "≤180 Days"
outstanding = round(float(lot["outstanding_at_fy_end"]), 2)
paid = round(min(outstanding, float(lot.get("paid_subsequently") or 0)), 2)
after = round(max(0.0, outstanding - paid), 2)
if bucket == ">180 Days":
over_180 += outstanding
paid_later += paid
still_unpaid += after
else:
within_180 += outstanding
if lot.get("final_payment_date"):
final_dates.append(str(lot["final_payment_date"]))
details.append({
**{k: lot.get(k) for k in ("party_name","source","voucher_date","voucher_type","voucher_number","reference","original_credit","final_payment_date")},
"outstanding_at_fy_end": outstanding, "age_days": age_days, "age_bucket": bucket,
"paid_subsequently": paid, "balance_after_follow_up": after, "allocation_basis": "FIFO from Accounting Mirror movements",
})
closing = round(within_180 + over_180, 2)
parties.append({
"party_name": party_name, "within_180": round(within_180,2), "over_180": round(over_180,2),
"closing_balance": closing, "over_180_paid_later": round(paid_later,2),
"over_180_still_unpaid": round(still_unpaid,2), "final_payment_date": max(final_dates) if final_dates else "",
})
summary = {
"party_count": len(parties),
"total_closing": round(sum(x["closing_balance"] for x in parties),2),
"within_180": round(sum(x["within_180"] for x in parties),2),
"over_180": round(sum(x["over_180"] for x in parties),2),
"over_180_paid_later": round(sum(x["over_180_paid_later"] for x in parties),2),
"over_180_still_unpaid": round(sum(x["over_180_still_unpaid"] for x in parties),2),
}
return {
"summary": summary, "parties": parties, "details": details,
"allocation_basis": "FIFO from Accounting Mirror movements; debit-side payments/sales/credit adjustments settle oldest balances first",
"current_mirror": current.get("mirror") or {}, "follow_up_mirror": later.get("mirror") or {},
}