84 lines
3.2 KiB
Python
84 lines
3.2 KiB
Python
"""病例检查项：C1 解析归一化、C3 落库校验。"""
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from decimal import Decimal, InvalidOperation
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from config.exceptions import AppError
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EXAM_ITEM_FIELDS = {
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'item_code', 'item_name', 'item_type', 'category',
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'result_text', 'result_structured',
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'is_key', 'is_abnormal', 'score_weight', 'display_order',
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}
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def normalize_exam_items(raw_items) -> list:
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"""归一化检查项列表；按 item_code 去重（保留首次出现）。"""
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if not raw_items:
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return []
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if not isinstance(raw_items, list):
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raise AppError('CASE_VALIDATION_ERROR', 'exam_items 必须为数组', status_code=400)
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seen = set()
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normalized = []
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for i, item in enumerate(raw_items):
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if not isinstance(item, dict):
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raise AppError('CASE_VALIDATION_ERROR', f'exam_items[{i}] 必须为对象', status_code=400)
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code = (item.get('item_code') or '').strip()
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name = (item.get('item_name') or '').strip()
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item_type = (item.get('item_type') or '').strip()
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result_text = (item.get('result_text') or '').strip()
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if not code:
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raise AppError('CASE_VALIDATION_ERROR', f'exam_items[{i}].item_code 必填', status_code=400)
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if not name:
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raise AppError('CASE_VALIDATION_ERROR', f'exam_items[{i}].item_name 必填', status_code=400)
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if not item_type:
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raise AppError('CASE_VALIDATION_ERROR', f'exam_items[{i}].item_type 必填', status_code=400)
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if not result_text:
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raise AppError('CASE_VALIDATION_ERROR', f'exam_items[{i}].result_text 必填', status_code=400)
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if code in seen:
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continue
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seen.add(code)
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try:
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weight = item.get('score_weight', 1)
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weight = Decimal(str(weight))
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except (InvalidOperation, TypeError, ValueError):
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raise AppError(
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'CASE_VALIDATION_ERROR',
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f'exam_items[{i}].score_weight 须为数字',
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status_code=400,
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)
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if weight <= 0:
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raise AppError(
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'CASE_VALIDATION_ERROR',
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f'exam_items[{i}].score_weight 须大于 0',
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status_code=400,
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)
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normalized.append({
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'item_code': code[:64],
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'item_name': name[:128],
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'item_type': item_type[:32],
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'category': (item.get('category') or '')[:64],
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'result_text': result_text,
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'result_structured': item.get('result_structured') if isinstance(
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item.get('result_structured'), dict
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) else None,
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'is_key': bool(item.get('is_key', False)),
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'is_abnormal': bool(item.get('is_abnormal', False)),
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'score_weight': float(weight),
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'display_order': int(item.get('display_order', len(normalized) + 1)),
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})
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return normalized
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def assert_no_duplicate_exam_items(items: list):
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"""创建前再次校验同一病例内 item_code 不重复。"""
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codes = [it['item_code'] for it in items]
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if len(codes) != len(set(codes)):
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raise AppError(
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'CASE_EXAM_ITEM_DUPLICATE',
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'同一病例内检查项 item_code 不能重复',
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status_code=400,
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)
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