| """ |
| 日期占位符服务 |
| |
| 提供日期格式化功能,将日期转换为中文格式. |
| """ |
|
|
| import logging |
| from datetime import date |
| from typing import Any, ClassVar |
|
|
| from apps.documents.services.placeholders.base import BasePlaceholderService |
| from apps.documents.services.placeholders.registry import PlaceholderRegistry |
|
|
| logger = logging.getLogger(__name__) |
|
|
|
|
| @PlaceholderRegistry.register |
| class DatePlaceholderService(BasePlaceholderService): |
| """日期格式化服务""" |
|
|
| name: str = "date_service" |
| display_name: str = "日期格式化服务" |
| description: str = "将日期转换为中文格式(YYYY年MM月DD日)" |
| category: str = "basic" |
| placeholder_keys: ClassVar = ["指定日期", "签约日期", "开始日期", "结束日期"] |
|
|
| def generate(self, context_data: dict[str, Any]) -> dict[str, Any]: |
| """ |
| 生成日期占位符 |
| |
| Args: |
| context_data: 包含 contract 等数据的上下文 |
| |
| Returns: |
| 包含日期占位符的字典 |
| """ |
| result: dict[str, Any] = {} |
| case = context_data.get("case") |
| contract = context_data.get("contract") |
|
|
| if case: |
| if hasattr(case, "specified_date") and case.specified_date: |
| result["指定日期"] = self.format_chinese_date(case.specified_date) |
| else: |
| result["指定日期"] = "" |
| return result |
|
|
| if contract: |
| |
| if hasattr(contract, "specified_date") and contract.specified_date: |
| result["指定日期"] = self.format_chinese_date(contract.specified_date) |
| else: |
| result["指定日期"] = "" |
|
|
| |
| if hasattr(contract, "start_date") and contract.start_date: |
| result["开始日期"] = self.format_chinese_date(contract.start_date) |
| else: |
| result["开始日期"] = "" |
|
|
| |
| if hasattr(contract, "end_date") and contract.end_date: |
| result["结束日期"] = self.format_chinese_date(contract.end_date) |
| else: |
| result["结束日期"] = "" |
|
|
| return result |
|
|
| def format_chinese_date(self, d: date) -> str: |
| """ |
| 格式化为中文日期 |
| |
| Args: |
| d: 日期对象 |
| |
| Returns: |
| 中文格式的日期字符串,如 "2026年01月01日" |
| """ |
| if not d: |
| return "" |
|
|
| try: |
| return f"{d.year}年{d.month:02d}月{d.day:02d}日" |
| except (AttributeError, ValueError) as e: |
| logger.warning("日期格式化失败: %s", e, extra={"date": d}) |
| return "" |
|
|
