B-44: intercompany ledger events, subject review and drill-down evidence
- migration 6: manual_records, ledger_event_revisions chain, current projections, source claims, subject suggestions, eligible_position_events - ledger_events.py: bank-event reconciliation, reversal/adjustment/reopen, append-only revision chain and rebuildable current projection - subjects.py: fixed subject mirror, draft suggestion dictionary, explicit administrator subject confirmation with expected_revision + idempotency - manual_records.py: submit, approve new/link, return/exception/reverse, candidate hints, idempotent replay and concurrency-safe claims - positions.py: Decimal aggregation, both-perspective conservation asserts, cutoff window, unresolved gross buckets, keyset pagination, evidence visibility (visible/masked/missing) - server.py: admin + company intercompany APIs with tenant isolation (404 on cross-tenant reads, 403 on company writes) and auto reconcile wiring - admin/company portals: balance directory, pair drill-down drawer, evidence drawer, subject/manual audit queue, company balance summary - tests: ledger events, subjects, manual records, positions, HTTP API and migration persistence (233 total, all green)
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"""Canonical intercompany ledger events and the revision chain (B-44).
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Bank source rows and approved manual records are immutable evidence. This
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module turns them into one canonical ledger event each through ``reconcile_*``
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functions and an append-only revision chain. Corrections are never in-place
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edits: a reversal or adjustment is a new ledger event with its own effective
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date, and the original event keeps its history so no earlier cutoff is
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rewritten. Current revisions and source claims are rebuildable projections.
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Only B-43 ``eligible_intercompany_events`` feeds bank facts here; same-company
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transfers, external transactions, unresolved rows and unlocked single
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observations never reach the confirmed balance.
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"""
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from __future__ import annotations
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from decimal import Decimal, InvalidOperation
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import json
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import sqlite3
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from .db import utc_now
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from .subjects import MIRROR, SUBJECTS, mirror_subject
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class LedgerConflictError(ValueError):
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"""A revision/claim/idempotency conflict (mapped to HTTP 409)."""
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class LedgerInputError(ValueError):
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"""Invalid input for a ledger operation (mapped to HTTP 400/422)."""
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SUBJECT_RULE_VERSION = "subject-suggest-draft-v1"
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def amount_scale(amount: object) -> int:
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"""Decimal places of a decimal-string amount, never negative."""
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try:
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exponent = Decimal(str(amount)).as_tuple().exponent
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except InvalidOperation:
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return 0
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return max(0, -int(exponent))
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def parse_amount(amount: object) -> Decimal:
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"""Parse a positive, valid decimal-string amount."""
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try:
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value = Decimal(str(amount))
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except InvalidOperation:
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raise LedgerInputError("金额不是有效的十进制数。") from None
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if not value.is_finite() or value <= 0:
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raise LedgerInputError("金额必须大于零。")
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return value
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def _company_exists(connection: sqlite3.Connection, company_id: int, label: str) -> None:
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row = connection.execute(
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"SELECT id FROM companies WHERE id = ?", (company_id,)
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).fetchone()
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if row is None:
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raise LedgerInputError(f"{label}指向的公司不存在。")
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# ---------------------------------------------------------------------------
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# Revision helpers
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# ---------------------------------------------------------------------------
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def _ensure_transaction(connection: sqlite3.Connection) -> bool:
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"""Begin an immediate transaction unless one is already open.
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Write helpers may run standalone (they own the transaction) or nested
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inside a caller's transaction (e.g. the sheet-confirm flow); nested calls
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never start their own commit.
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"""
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began = False
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if not connection.in_transaction:
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connection.execute("BEGIN IMMEDIATE")
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began = True
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return began
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def current_revision(connection: sqlite3.Connection, ledger_event_id: int) -> sqlite3.Row | None:
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return connection.execute(
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"""
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SELECT r.* FROM current_ledger_event_revisions c
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JOIN ledger_event_revisions r ON r.id = c.revision_id
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WHERE c.ledger_event_id = ?
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""",
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(ledger_event_id,),
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).fetchone()
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def _event_lifecycle(connection: sqlite3.Connection, ledger_event_id: int) -> str | None:
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row = connection.execute(
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"SELECT lifecycle FROM ledger_events WHERE id = ?", (ledger_event_id,)
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).fetchone()
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return row["lifecycle"] if row is not None else None
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def _next_revision_number(connection: sqlite3.Connection, ledger_event_id: int) -> int:
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row = connection.execute(
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"SELECT COALESCE(MAX(revision), 0) AS m FROM ledger_event_revisions WHERE ledger_event_id = ?",
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(ledger_event_id,),
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).fetchone()
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return int(row["m"]) + 1
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def create_event(
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connection: sqlite3.Connection,
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*,
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state: str,
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effective_at: str,
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amount: str,
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currency: str,
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payer_company_id: int,
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payee_company_id: int,
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perspective_company_id: int | None,
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subject_code: str | None,
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source_kind: str,
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source_revision_token: str | None,
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posting_kind: str,
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reverses_ledger_event_id: int | None = None,
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adjusts_ledger_event_id: int | None = None,
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rule_version: str | None = None,
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evidence_json: str | None = None,
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idempotency_key: str | None = None,
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actor: sqlite3.Row | None = None,
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reason: str | None = None,
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supersedes_revision_id: int | None = None,
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) -> tuple[int, int]:
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"""Insert a new ledger event with one revision. Returns ``(event_id, revision_id)``."""
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if state == "confirmed":
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if perspective_company_id is None or subject_code is None:
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raise LedgerInputError("已确认事件必须提供视角公司与科目。")
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if subject_code not in SUBJECTS:
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raise LedgerInputError("科目必须是应收/应付/其他应收/其他应付之一。")
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if int(payer_company_id) == int(payee_company_id):
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raise LedgerInputError("付款公司与收款公司不能相同。")
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if perspective_company_id is not None and perspective_company_id not in (
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int(payer_company_id), int(payee_company_id),
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):
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raise LedgerInputError("视角公司必须是事件参与方。")
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began = _ensure_transaction(connection)
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try:
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now = utc_now()
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cursor = connection.execute(
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"INSERT INTO ledger_events (lifecycle, created_at) VALUES ('active', ?)",
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(now,),
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)
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event_id = int(cursor.lastrowid)
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revision_id = append_revision(
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connection,
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event_id,
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state=state,
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effective_at=effective_at,
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amount=amount,
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currency=currency,
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payer_company_id=payer_company_id,
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payee_company_id=payee_company_id,
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perspective_company_id=perspective_company_id,
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subject_code=subject_code,
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source_kind=source_kind,
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source_revision_token=source_revision_token,
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posting_kind=posting_kind,
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reverses_ledger_event_id=reverses_ledger_event_id,
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adjusts_ledger_event_id=adjusts_ledger_event_id,
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rule_version=rule_version,
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evidence_json=evidence_json,
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idempotency_key=idempotency_key,
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actor=actor,
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reason=reason,
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supersedes_revision_id=supersedes_revision_id,
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)
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except Exception:
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if began:
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connection.rollback()
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raise
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else:
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if began:
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connection.commit()
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return event_id, revision_id
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def append_revision(
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connection: sqlite3.Connection,
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ledger_event_id: int,
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*,
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state: str,
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effective_at: str,
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amount: str,
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currency: str,
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payer_company_id: int,
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payee_company_id: int,
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perspective_company_id: int | None,
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subject_code: str | None,
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source_kind: str,
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source_revision_token: str | None,
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posting_kind: str,
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reverses_ledger_event_id: int | None = None,
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adjusts_ledger_event_id: int | None = None,
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rule_version: str | None = None,
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evidence_json: str | None = None,
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idempotency_key: str | None = None,
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actor: sqlite3.Row | None = None,
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reason: str | None = None,
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supersedes_revision_id: int | None = None,
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) -> int:
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"""Append one immutable revision and repoint the current projection."""
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if _event_lifecycle(connection, ledger_event_id) != "active":
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raise LedgerConflictError("该事件已停用,不能追加修订。")
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if state == "confirmed":
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if perspective_company_id is None or subject_code is None:
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raise LedgerInputError("已确认事件必须提供视角公司与科目。")
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if subject_code not in SUBJECTS:
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raise LedgerInputError("科目必须是应收/应付/其他应收/其他应付之一。")
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if perspective_company_id not in (int(payer_company_id), int(payee_company_id)):
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raise LedgerInputError("视角公司必须是事件参与方。")
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elif state != "pending_subject":
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raise LedgerInputError("事件状态必须是 pending_subject 或 confirmed。")
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revision = _next_revision_number(connection, ledger_event_id)
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now = utc_now()
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cursor = connection.execute(
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"""
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INSERT INTO ledger_event_revisions (
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ledger_event_id, revision, state, effective_at, amount,
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amount_scale, currency, payer_company_id, payee_company_id,
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perspective_company_id, subject_code, source_kind,
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source_revision_token, posting_kind, reverses_ledger_event_id,
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adjusts_ledger_event_id, rule_version, evidence_json,
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idempotency_key, actor_user_id, actor_username, reason,
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supersedes_revision_id, created_at
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) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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""",
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(
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ledger_event_id, revision, state, effective_at, amount,
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amount_scale(amount), currency, payer_company_id, payee_company_id,
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perspective_company_id, subject_code, source_kind,
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source_revision_token, posting_kind, reverses_ledger_event_id,
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adjusts_ledger_event_id, rule_version, evidence_json,
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idempotency_key,
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actor["id"] if actor is not None else None,
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actor["username"] if actor is not None else None,
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reason, supersedes_revision_id, now,
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),
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)
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connection.execute(
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"""
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INSERT OR REPLACE INTO current_ledger_event_revisions (ledger_event_id, revision_id)
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VALUES (?, ?)
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""",
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(ledger_event_id, cursor.lastrowid),
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)
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return int(cursor.lastrowid)
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# ---------------------------------------------------------------------------
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# Source claims
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# ---------------------------------------------------------------------------
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def bank_source_claim(connection: sqlite3.Connection, bank_event_id: int) -> sqlite3.Row | None:
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return connection.execute(
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"SELECT * FROM ledger_event_bank_sources WHERE bank_event_id = ?",
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(bank_event_id,),
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).fetchone()
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def manual_source_claim(connection: sqlite3.Connection, manual_record_id: int) -> sqlite3.Row | None:
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return connection.execute(
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"SELECT * FROM ledger_event_manual_sources WHERE manual_record_id = ?",
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(manual_record_id,),
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).fetchone()
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def _facts_of(connection: sqlite3.Connection, ledger_event_id: int) -> dict[str, object]:
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revision = current_revision(connection, ledger_event_id)
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if revision is None:
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return {}
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return {
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"amount": revision["amount"],
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"currency": revision["currency"],
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"effective_at": revision["effective_at"],
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"payer_company_id": revision["payer_company_id"],
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"payee_company_id": revision["payee_company_id"],
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}
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def _eligible_facts(event: sqlite3.Row) -> dict[str, object]:
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return {
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"amount": event["amount"],
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"currency": event["currency"],
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"effective_at": event["effective_at"],
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"payer_company_id": event["payer_company_id"],
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"payee_company_id": event["payee_company_id"],
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}
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def _has_reversal(connection: sqlite3.Connection, original_event_id: int) -> bool:
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row = connection.execute(
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"""
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SELECT 1 FROM ledger_event_revisions r
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JOIN current_ledger_event_revisions c ON c.revision_id = r.id
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WHERE r.reverses_ledger_event_id = ? AND r.posting_kind = 'reversal'
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LIMIT 1
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""",
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(original_event_id,),
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).fetchone()
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return row is not None
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def create_reversal(
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connection: sqlite3.Connection,
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original_event_id: int,
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*,
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source_kind: str,
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source_revision_token: str | None = None,
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effective_at: str | None = None,
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reason: str,
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actor: sqlite3.Row | None,
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idempotency_key: str | None = None,
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rule_version: str | None = None,
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) -> tuple[int, int]:
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"""Create an equal-amount, opposite-direction reversal as a new ledger event.
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The subject mirrors the original (应收<->应付, 其他应收<->其他应付). ``effective_at``
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defaults to the original event's effective date so an earlier cutoff keeps
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the original impact and later cutoffs see the net zero. The original event
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is never modified or deleted.
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"""
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original = current_revision(connection, original_event_id)
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if original is None:
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raise LedgerConflictError("原事件不存在或没有当前修订。")
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if original["state"] != "confirmed":
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raise LedgerInputError("只有已确认事件才能生成冲销。")
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perspective = mirror_perspective(original)
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if effective_at is None:
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effective_at = original["effective_at"]
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return create_event(
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connection,
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state="confirmed",
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effective_at=effective_at,
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amount=original["amount"],
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currency=original["currency"],
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payer_company_id=original["payee_company_id"],
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payee_company_id=original["payer_company_id"],
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perspective_company_id=perspective,
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subject_code=mirror_subject(original["subject_code"]),
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source_kind=source_kind,
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source_revision_token=source_revision_token,
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posting_kind="reversal",
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reverses_ledger_event_id=original_event_id,
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rule_version=rule_version or original["rule_version"],
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idempotency_key=idempotency_key,
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actor=actor,
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reason=reason,
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)
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def mirror_perspective(revision: sqlite3.Row) -> int:
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"""The counterparty company from ``revision``'s perspective."""
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perspective = int(revision["perspective_company_id"])
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if perspective == int(revision["payer_company_id"]):
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return int(revision["payee_company_id"])
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return int(revision["payer_company_id"])
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def create_adjustment(
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connection: sqlite3.Connection,
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ledger_event_id: int,
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*,
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effective_at: str,
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amount: str,
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currency: str,
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payer_company_id: int,
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payee_company_id: int,
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perspective_company_id: int,
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subject_code: str,
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reason: str,
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actor: sqlite3.Row,
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idempotency_key: str | None = None,
|
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rule_version: str | None = None,
|
||||
) -> tuple[int, int]:
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"""Create an audit adjustment event; the original event stays unchanged."""
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return create_event(
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connection,
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state="confirmed",
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effective_at=effective_at,
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amount=str(parse_amount(amount)),
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currency=currency,
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payer_company_id=payer_company_id,
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payee_company_id=payee_company_id,
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perspective_company_id=perspective_company_id,
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subject_code=subject_code,
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source_kind="adjustment",
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source_revision_token=None,
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posting_kind="adjustment",
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adjusts_ledger_event_id=ledger_event_id,
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rule_version=rule_version or SUBJECT_RULE_VERSION,
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idempotency_key=idempotency_key,
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actor=actor,
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reason=reason,
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)
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def reopen_subject(
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connection: sqlite3.Connection,
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ledger_event_id: int,
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*,
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||||
reason: str,
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||||
actor: sqlite3.Row,
|
||||
idempotency_key: str | None = None,
|
||||
) -> tuple[int, int]:
|
||||
"""Reverse a confirmed event and re-open it for subject re-review.
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|
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Creates an equal-amount reversal plus a fresh ``pending_subject`` event
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that re-claims the original bank source, so the administrator can confirm
|
||||
a corrected subject. The original event and its reversal keep history.
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||||
"""
|
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current = current_revision(connection, ledger_event_id)
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||||
if current is None or current["state"] != "confirmed":
|
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raise LedgerConflictError("只有已确认事件可以重新进入科目审核。")
|
||||
bank_claim = connection.execute(
|
||||
"SELECT * FROM ledger_event_bank_sources WHERE ledger_event_id = ?",
|
||||
(ledger_event_id,),
|
||||
).fetchone()
|
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if bank_claim is None:
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raise LedgerInputError(
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||||
"该事件没有银行来源,无法重新进入科目审核;请改用调整或冲销。"
|
||||
)
|
||||
if not _has_reversal(connection, ledger_event_id):
|
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create_reversal(
|
||||
connection, ledger_event_id,
|
||||
source_kind=current["source_kind"],
|
||||
source_revision_token=current["source_revision_token"],
|
||||
reason="科目复核:原确认事件冲销",
|
||||
actor=actor,
|
||||
idempotency_key=(idempotency_key + ":rev" if idempotency_key else None),
|
||||
rule_version=current["rule_version"],
|
||||
)
|
||||
ev = connection.execute(
|
||||
"SELECT * FROM eligible_intercompany_events WHERE event_id = ?",
|
||||
(bank_claim["bank_event_id"],),
|
||||
).fetchone()
|
||||
if ev is None:
|
||||
raise LedgerInputError("银行事件已不再纳入往来,无法重新入账。")
|
||||
event_id, revision_id = _create_bank_event(
|
||||
connection, ev, actor, reason="科目复核后重新入账,待确认科目",
|
||||
replacing_claim=bank_claim,
|
||||
)
|
||||
return event_id, revision_id
|
||||
|
||||
|
||||
# ---------------------------------------------------------------------------
|
||||
# Bank event reconciliation
|
||||
# ---------------------------------------------------------------------------
|
||||
|
||||
|
||||
def reconcile_bank_events(
|
||||
connection: sqlite3.Connection, actor: sqlite3.Row | None = None
|
||||
) -> dict[str, object]:
|
||||
"""Reconcile the current eligible intercompany events into ledger events.
|
||||
|
||||
Idempotent: first sight creates a ``pending_subject`` event; a changed B-43
|
||||
decision updates a still-pending event's revision, or (for a confirmed
|
||||
event) creates a reversal plus a fresh pending event. A source that left
|
||||
the eligible set with a confirmed impact gets one reversal. Runs inside the
|
||||
caller's transaction when one is open, otherwise in its own transaction.
|
||||
"""
|
||||
began = _ensure_transaction(connection)
|
||||
try:
|
||||
eligible = {
|
||||
row["event_id"]: row
|
||||
for row in connection.execute(
|
||||
"SELECT * FROM eligible_intercompany_events"
|
||||
).fetchall()
|
||||
}
|
||||
claims = {
|
||||
row["bank_event_id"]: row
|
||||
for row in connection.execute(
|
||||
"SELECT * FROM ledger_event_bank_sources"
|
||||
).fetchall()
|
||||
}
|
||||
stats = {
|
||||
"created": 0, "updated_pending": 0, "reversal": 0,
|
||||
"reopened": 0, "unchanged": 0, "sources": len(eligible),
|
||||
}
|
||||
for bank_event_id, event in sorted(eligible.items()):
|
||||
claim = claims.get(bank_event_id)
|
||||
if claim is None:
|
||||
_create_bank_event(
|
||||
connection, event, actor, reason="B-43 事件首次入账,待确认科目"
|
||||
)
|
||||
stats["created"] += 1
|
||||
continue
|
||||
current = current_revision(connection, claim["ledger_event_id"])
|
||||
if current is None or _facts_of(connection, claim["ledger_event_id"]) != _eligible_facts(event):
|
||||
if current is not None and current["state"] == "confirmed":
|
||||
if not _has_reversal(connection, claim["ledger_event_id"]):
|
||||
create_reversal(
|
||||
connection, claim["ledger_event_id"],
|
||||
source_kind="bank",
|
||||
source_revision_token=event["decision_id"],
|
||||
reason="B-43 事件事实变更,原确认事件冲销",
|
||||
actor=actor,
|
||||
)
|
||||
stats["reversal"] += 1
|
||||
_create_bank_event(
|
||||
connection, event, actor,
|
||||
reason="B-43 事件事实变更后重新入账,待确认科目",
|
||||
replacing_claim=claim,
|
||||
)
|
||||
stats["reopened"] += 1
|
||||
elif current is None or current["state"] == "pending_subject":
|
||||
_append_bank_pending_revision(
|
||||
connection, claim["ledger_event_id"], event, actor
|
||||
)
|
||||
stats["updated_pending"] += 1
|
||||
else:
|
||||
stats["unchanged"] += 1
|
||||
else:
|
||||
stats["unchanged"] += 1
|
||||
|
||||
for bank_event_id, claim in sorted(claims.items()):
|
||||
if bank_event_id in eligible:
|
||||
continue
|
||||
current = current_revision(connection, claim["ledger_event_id"])
|
||||
if current is not None and current["state"] == "confirmed":
|
||||
if not _has_reversal(connection, claim["ledger_event_id"]):
|
||||
create_reversal(
|
||||
connection, claim["ledger_event_id"],
|
||||
source_kind="bank",
|
||||
source_revision_token=None,
|
||||
reason="B-43 事件不再纳入往来,原确认事件冲销",
|
||||
actor=actor,
|
||||
)
|
||||
stats["reversal"] += 1
|
||||
except Exception:
|
||||
if began:
|
||||
connection.rollback()
|
||||
raise
|
||||
else:
|
||||
if began:
|
||||
connection.commit()
|
||||
return stats
|
||||
|
||||
|
||||
def _create_bank_event(
|
||||
connection: sqlite3.Connection,
|
||||
event: sqlite3.Row,
|
||||
actor: sqlite3.Row | None,
|
||||
*,
|
||||
reason: str,
|
||||
replacing_claim: sqlite3.Row | None = None,
|
||||
) -> tuple[int, int]:
|
||||
event_id, revision_id = create_event(
|
||||
connection,
|
||||
state="pending_subject",
|
||||
effective_at=event["effective_at"],
|
||||
amount=event["amount"],
|
||||
currency=event["currency"],
|
||||
payer_company_id=event["payer_company_id"],
|
||||
payee_company_id=event["payee_company_id"],
|
||||
perspective_company_id=None,
|
||||
subject_code=None,
|
||||
source_kind="bank",
|
||||
source_revision_token=event["decision_id"],
|
||||
posting_kind="normal",
|
||||
rule_version=SUBJECT_RULE_VERSION,
|
||||
evidence_json=json.dumps(
|
||||
{
|
||||
"bank_event_id": event["event_id"],
|
||||
"decision_id": event["decision_id"],
|
||||
"pairing": event["pairing"],
|
||||
"evidence_count": event["evidence_count"],
|
||||
},
|
||||
ensure_ascii=False,
|
||||
),
|
||||
actor=actor,
|
||||
reason=reason,
|
||||
)
|
||||
if replacing_claim is not None:
|
||||
connection.execute(
|
||||
"""
|
||||
UPDATE ledger_event_bank_sources SET ledger_event_id = ?
|
||||
WHERE bank_event_id = ?
|
||||
""",
|
||||
(event_id, event["event_id"]),
|
||||
)
|
||||
else:
|
||||
connection.execute(
|
||||
"""
|
||||
INSERT INTO ledger_event_bank_sources (bank_event_id, ledger_event_id)
|
||||
VALUES (?, ?)
|
||||
""",
|
||||
(event["event_id"], event_id),
|
||||
)
|
||||
from .subjects import store_suggestions
|
||||
|
||||
store_suggestions(connection, event_id)
|
||||
return event_id, revision_id
|
||||
|
||||
|
||||
def _append_bank_pending_revision(
|
||||
connection: sqlite3.Connection,
|
||||
ledger_event_id: int,
|
||||
event: sqlite3.Row,
|
||||
actor: sqlite3.Row | None,
|
||||
) -> int:
|
||||
current = current_revision(connection, ledger_event_id)
|
||||
revision_id = append_revision(
|
||||
connection,
|
||||
ledger_event_id,
|
||||
state="pending_subject",
|
||||
effective_at=event["effective_at"],
|
||||
amount=event["amount"],
|
||||
currency=event["currency"],
|
||||
payer_company_id=event["payer_company_id"],
|
||||
payee_company_id=event["payee_company_id"],
|
||||
perspective_company_id=None,
|
||||
subject_code=None,
|
||||
source_kind="bank",
|
||||
source_revision_token=event["decision_id"],
|
||||
posting_kind="normal",
|
||||
rule_version=SUBJECT_RULE_VERSION,
|
||||
evidence_json=json.dumps(
|
||||
{
|
||||
"bank_event_id": event["event_id"],
|
||||
"decision_id": event["decision_id"],
|
||||
"pairing": event["pairing"],
|
||||
"evidence_count": event["evidence_count"],
|
||||
},
|
||||
ensure_ascii=False,
|
||||
),
|
||||
actor=actor,
|
||||
reason="B-43 事件事实更新,追加待审修订",
|
||||
supersedes_revision_id=current["id"] if current is not None else None,
|
||||
)
|
||||
from .subjects import store_suggestions
|
||||
|
||||
store_suggestions(connection, ledger_event_id)
|
||||
return revision_id
|
||||
|
||||
|
||||
# ---------------------------------------------------------------------------
|
||||
# Projection rebuild
|
||||
# ---------------------------------------------------------------------------
|
||||
|
||||
|
||||
def rebuild_current_ledger_projection(connection: sqlite3.Connection) -> int:
|
||||
"""Rebuild current ledger revisions from the append-only log."""
|
||||
began = _ensure_transaction(connection)
|
||||
try:
|
||||
connection.execute("DELETE FROM current_ledger_event_revisions")
|
||||
rows = connection.execute(
|
||||
"""
|
||||
SELECT e.id AS ledger_event_id,
|
||||
(SELECT r2.id FROM ledger_event_revisions r2
|
||||
WHERE r2.ledger_event_id = e.id
|
||||
ORDER BY r2.revision DESC LIMIT 1) AS latest_id
|
||||
FROM ledger_events e
|
||||
WHERE e.lifecycle = 'active'
|
||||
""",
|
||||
).fetchall()
|
||||
rebuilt = 0
|
||||
for row in rows:
|
||||
if row["latest_id"] is None:
|
||||
continue
|
||||
connection.execute(
|
||||
"""
|
||||
INSERT OR REPLACE INTO current_ledger_event_revisions (ledger_event_id, revision_id)
|
||||
VALUES (?, ?)
|
||||
""",
|
||||
(row["ledger_event_id"], row["latest_id"]),
|
||||
)
|
||||
rebuilt += 1
|
||||
except Exception:
|
||||
if began:
|
||||
connection.rollback()
|
||||
raise
|
||||
else:
|
||||
if began:
|
||||
connection.commit()
|
||||
return rebuilt
|
||||
Reference in New Issue
Block a user