231 lines
6.7 KiB
Python
231 lines
6.7 KiB
Python
"""Typed contracts for database-backed monthly channel reports."""
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from __future__ import annotations
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import hashlib
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import json
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from dataclasses import dataclass
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from datetime import date
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from decimal import Decimal
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from typing import Any, Dict, Mapping, Optional, Sequence, Tuple
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PROCESSOR_VERSION = "1.0.0"
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RESULT_SCHEMA_VERSION = "1.0"
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XLSX_MIME = "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"
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CHANNEL_HEADERS: Tuple[str, ...] = (
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"ARRIVAL",
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"DEPARTURE",
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"NIGHTS",
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"ADULTS",
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"CHILDREN",
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"BLOCK_CODE",
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"NO_OF_ROOMS",
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"COMPANY_NAME",
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"CONFIRMATION_NO",
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"DISP_ROOM_NO",
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"RATE_AMOUNT",
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"FULL_NAME",
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"RES_COMMENT",
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"TRACE_TEXT",
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"PRODUCTS",
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"RATE_CODE",
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"ROOM_CATEGORY_LABEL",
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"REAL PRICE",
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"TOTAL PRICE",
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)
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KB_HEADER = "KB（100/晚/间）"
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KB_SHEET = "DY-AI-Easy-KB"
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KB_CHANNEL_HEADERS: Tuple[str, ...] = CHANNEL_HEADERS + (KB_HEADER,)
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STANDARD_SHEETS: Tuple[str, ...] = (
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"LIANTAI-GROUP",
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"LIANTAI-FIT",
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"QBD",
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KB_SHEET,
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"FENGRUN",
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)
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class ErrorCode:
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REQUEST_INVALID = "MONTHLY_REPORT_REQUEST_INVALID"
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SOURCE_INVALID = "MONTHLY_REPORT_SOURCE_INVALID"
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SOURCE_SNAPSHOT_STALE = "MONTHLY_REPORT_SOURCE_SNAPSHOT_STALE"
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OUTPUT_VALIDATION_FAILED = "MONTHLY_REPORT_OUTPUT_VALIDATION_FAILED"
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PUBLISH_FAILED = "MONTHLY_REPORT_PUBLISH_FAILED"
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DATABASE_FAILED = "MONTHLY_REPORT_DATABASE_FAILED"
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INTERNAL_ERROR = "MONTHLY_REPORT_INTERNAL_ERROR"
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class MonthlyReportError(RuntimeError):
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def __init__(self, code: str, safe_message: str):
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super().__init__(safe_message)
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self.code = code
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self.safe_message = safe_message
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@dataclass(frozen=True)
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class DailyVersionPin:
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business_date: date
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daily_version_id: int
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@dataclass(frozen=True)
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class ChannelObservation:
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business_date: date
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daily_version_id: int
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worksheet: str
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worksheet_order: Optional[int]
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row_count: int
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@dataclass(frozen=True)
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class MonthlyFact:
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daily_record_id: int
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daily_version_id: int
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business_date: date
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channel_key: str
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arrival: date
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departure: date
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nights: int
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adults: int
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children: int
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block_code: Optional[str]
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no_of_rooms: int
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company_name: str
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confirmation_no: str
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disp_room_no: str
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effective_rate_amount: Decimal
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full_name: str
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res_comment: Optional[str]
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trace_text: Optional[str]
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products: Optional[str]
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rate_code: str
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room_category_label: Optional[str]
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real_price: Decimal
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total_price: Decimal
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kb_amount: Optional[Decimal]
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@staticmethod
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def _decimal_text(value: Decimal) -> str:
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rendered = format(value, "f")
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if "." in rendered:
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rendered = rendered.rstrip("0").rstrip(".")
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return rendered or "0"
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def to_payload(self, include_kb: bool) -> Dict[str, Any]:
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payload: Dict[str, Any] = {
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"ARRIVAL": self.arrival.isoformat(),
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"DEPARTURE": self.departure.isoformat(),
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"NIGHTS": self.nights,
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"ADULTS": self.adults,
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"CHILDREN": self.children,
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"BLOCK_CODE": self.block_code or "",
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"NO_OF_ROOMS": self.no_of_rooms,
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"COMPANY_NAME": self.company_name,
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"CONFIRMATION_NO": self.confirmation_no,
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"DISP_ROOM_NO": self.disp_room_no,
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"RATE_AMOUNT": self._decimal_text(self.effective_rate_amount),
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"FULL_NAME": self.full_name,
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"RES_COMMENT": self.res_comment or "",
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"TRACE_TEXT": self.trace_text or "",
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"PRODUCTS": self.products or "",
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"RATE_CODE": self.rate_code,
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"ROOM_CATEGORY_LABEL": self.room_category_label or "",
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"REAL PRICE": self._decimal_text(self.real_price),
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"TOTAL PRICE": self._decimal_text(self.total_price),
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}
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if include_kb:
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if self.kb_amount is None:
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raise MonthlyReportError(
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ErrorCode.SOURCE_INVALID,
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"KB channel source amount is missing",
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)
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payload[KB_HEADER] = self._decimal_text(self.kb_amount)
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return payload
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@dataclass(frozen=True)
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class MonthlySnapshot:
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facts: Tuple[MonthlyFact, ...]
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daily_versions: Tuple[DailyVersionPin, ...]
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channel_observations: Tuple[ChannelObservation, ...]
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preferred_channel_order: Tuple[str, ...] = tuple()
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@dataclass(frozen=True)
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class ChannelSheet:
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worksheet: str
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worksheet_order: int
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rows: Tuple[MonthlyFact, ...]
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@property
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def headers(self) -> Tuple[str, ...]:
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return KB_CHANNEL_HEADERS if self.worksheet == KB_SHEET else CHANNEL_HEADERS
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def to_payload(self) -> Dict[str, Any]:
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include_kb = self.worksheet == KB_SHEET
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return {
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"worksheet": self.worksheet,
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"worksheet_order": self.worksheet_order,
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"headers": list(self.headers),
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"rows": [row.to_payload(include_kb) for row in self.rows],
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}
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@dataclass(frozen=True)
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class MonthlyReport:
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report_year: int
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report_month: int
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as_of_date: date
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filename: str
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channels: Tuple[ChannelSheet, ...]
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daily_versions: Tuple[DailyVersionPin, ...]
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@property
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def row_count(self) -> int:
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return sum(len(channel.rows) for channel in self.channels)
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@property
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def channel_manifest(self) -> Tuple[Tuple[str, int, int], ...]:
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return tuple(
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(channel.worksheet, channel.worksheet_order, len(channel.rows))
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for channel in self.channels
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)
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def to_workbook_payload(self) -> Dict[str, Any]:
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return {
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"schema_version": RESULT_SCHEMA_VERSION,
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"report_year": self.report_year,
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"report_month": self.report_month,
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"as_of_date": self.as_of_date.isoformat(),
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"filename": self.filename,
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"channels": [channel.to_payload() for channel in self.channels],
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}
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def rule_set_sha256() -> str:
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payload: Mapping[str, Any] = {
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"processor_version": PROCESSOR_VERSION,
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"result_schema_version": RESULT_SCHEMA_VERSION,
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"headers": CHANNEL_HEADERS,
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"kb_header": KB_HEADER,
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"standard_sheets": STANDARD_SHEETS,
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"source": "finance.v_active_daily_facts",
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"row_order": ["arrival", "daily_record_id"],
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"unknown_channel_order": [
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"current_report_manifest",
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"daily_worksheet_first_seen",
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"lexical_fallback",
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],
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"filename": "各渠道情况-YYYY年MM月-更新至M.D.xlsx",
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"formula_policy": "no_formulas",
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}
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return hashlib.sha256(
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json.dumps(payload, ensure_ascii=False, sort_keys=True).encode("utf-8")
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).hexdigest()
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def immutable_tuple(values: Sequence[Any]) -> Tuple[Any, ...]:
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return tuple(values)
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