244 lines
7.2 KiB
Python
244 lines
7.2 KiB
Python
"""实验室入库编码校验与（遗留）RK 自动占号分配。"""
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import re
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from datetime import datetime
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from typing import List, Optional, Tuple
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from sqlalchemy import text
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from sqlalchemy.orm import Session
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from app.core.utils import generate_uuid
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from app.models.models import BizSampleReception
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PREFIX = "RK"
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SEQ_DIGITS = 3
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MAX_SEQ = 10**SEQ_DIGITS - 1
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LAB_STORAGE_CODE_RE = re.compile(rf"^{PREFIX}(\d{{8}})(\d{{{SEQ_DIGITS}}})$")
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def parse_reception_date(reception_date: str) -> str:
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s = (reception_date or "").strip()
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if len(s) != 10 or s[4] != "-" or s[7] != "-":
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raise ValueError("接收日期格式无效，应为 YYYY-MM-DD")
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y, m, d = s[:4], s[5:7], s[8:10]
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if not (y.isdigit() and m.isdigit() and d.isdigit()):
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raise ValueError("接收日期格式无效，应为 YYYY-MM-DD")
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return f"{y}{m}{d}"
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def format_lab_storage_code(biz_date: str, seq: int) -> str:
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return f"{PREFIX}{biz_date}{seq:0{SEQ_DIGITS}d}"
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def _max_existing_seq(db: Session, tenant_no: str, biz_date: str) -> int:
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prefix_pattern = f"{PREFIX}{biz_date}%"
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rows = (
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db.query(BizSampleReception.lab_storage_code)
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.filter(
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BizSampleReception.tenant_no == tenant_no,
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BizSampleReception.del_flag == 0,
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BizSampleReception.lab_storage_code.isnot(None),
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BizSampleReception.lab_storage_code.like(prefix_pattern),
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)
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.all()
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)
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max_seq = 0
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for row in rows:
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code = (row.lab_storage_code or "").strip()
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m = LAB_STORAGE_CODE_RE.match(code)
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if m and m.group(1) == biz_date:
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try:
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max_seq = max(max_seq, int(m.group(2)))
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except ValueError:
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pass
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return max_seq
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def _sync_sequence_from_existing(
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db: Session,
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tenant_no: str,
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biz_date: str,
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user_id: Optional[str] = None,
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) -> None:
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max_existing = _max_existing_seq(db, tenant_no, biz_date)
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if max_existing < 1:
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return
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now = datetime.now()
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uid = user_id or ""
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db.execute(
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text(
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"""
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INSERT INTO biz_biz_no_sequence (
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id, tenant_no, prefix, biz_date, last_seq,
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order_num, remark, create_by, create_dept_id, create_time,
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update_by, update_time, del_flag
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) VALUES (
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:id, :tenant_no, :prefix, :biz_date, :max_existing,
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0, NULL, :user_id, '', :now,
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:user_id, :now, 0
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)
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ON DUPLICATE KEY UPDATE
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last_seq = GREATEST(last_seq, :max_existing),
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update_by = :user_id,
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update_time = :now
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"""
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),
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{
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"id": generate_uuid(),
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"tenant_no": tenant_no,
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"prefix": PREFIX,
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"biz_date": biz_date,
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"max_existing": max_existing,
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"user_id": uid,
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"now": now,
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},
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)
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def _allocate_one_seq(
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db: Session,
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tenant_no: str,
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biz_date: str,
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user_id: Optional[str] = None,
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) -> int:
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now = datetime.now()
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uid = user_id or ""
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db.execute(
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text(
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"""
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INSERT INTO biz_biz_no_sequence (
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id, tenant_no, prefix, biz_date, last_seq,
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order_num, remark, create_by, create_dept_id, create_time,
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update_by, update_time, del_flag
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) VALUES (
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:id, :tenant_no, :prefix, :biz_date, LAST_INSERT_ID(1),
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0, NULL, :user_id, '', :now,
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:user_id, :now, 0
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)
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ON DUPLICATE KEY UPDATE
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last_seq = LAST_INSERT_ID(last_seq + 1),
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update_by = :user_id,
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update_time = :now
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"""
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),
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{
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"id": generate_uuid(),
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"tenant_no": tenant_no,
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"prefix": PREFIX,
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"biz_date": biz_date,
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"user_id": uid,
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"now": now,
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},
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)
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seq = db.execute(text("SELECT LAST_INSERT_ID()")).scalar()
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if seq is None or int(seq) < 1:
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raise ValueError("实验室入库编码序号分配失败")
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seq_int = int(seq)
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if seq_int > MAX_SEQ:
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raise ValueError(f"当日实验室入库编码序号已用尽（最大 {MAX_SEQ}）")
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return seq_int
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def allocate_lab_storage_codes(
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db: Session,
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*,
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tenant_no: str,
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reception_date: str,
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count: int = 1,
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user_id: Optional[str] = None,
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commit: bool = True,
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) -> List[str]:
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if count < 1:
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return []
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count = min(count, 50)
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biz_date = parse_reception_date(reception_date)
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_sync_sequence_from_existing(db, tenant_no, biz_date, user_id)
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codes: List[str] = []
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for _ in range(count):
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seq = _allocate_one_seq(db, tenant_no, biz_date, user_id)
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codes.append(format_lab_storage_code(biz_date, seq))
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if commit:
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db.commit()
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return codes
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def validate_lab_storage_code(code: str) -> str:
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"""校验入库编码：非空、长度不超过 32；不限制具体格式。"""
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c = (code or "").strip()
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if not c:
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raise ValueError("实验室入库编码不能为空")
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if len(c) > 32:
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raise ValueError("实验室入库编码长度不能超过 32 个字符")
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return c
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def validate_and_parse_lab_storage_code(
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code: str,
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) -> Tuple[str, Optional[str], Optional[int]]:
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"""兼容旧调用：校验编码；若为 RK+日期+序号 则额外解析供占号逻辑使用。"""
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c = validate_lab_storage_code(code)
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m = LAB_STORAGE_CODE_RE.match(c)
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if not m:
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return c, None, None
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biz_date, seq_str = m.group(1), m.group(2)
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return c, biz_date, int(seq_str)
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def assert_lab_storage_code_available(
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db: Session,
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*,
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tenant_no: str,
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code: str,
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exclude_reception_id: Optional[str] = None,
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) -> None:
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q = db.query(BizSampleReception.id).filter(
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BizSampleReception.tenant_no == tenant_no,
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BizSampleReception.del_flag == 0,
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BizSampleReception.lab_storage_code == code,
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)
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if exclude_reception_id:
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q = q.filter(BizSampleReception.id != exclude_reception_id)
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if q.first():
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raise ValueError("实验室入库编码已存在")
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def sync_lab_storage_seq_after_use(
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db: Session,
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*,
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tenant_no: str,
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biz_date: str,
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seq: int,
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user_id: Optional[str] = None,
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) -> None:
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if seq < 1:
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return
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now = datetime.now()
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uid = user_id or ""
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db.execute(
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text(
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"""
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INSERT INTO biz_biz_no_sequence (
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id, tenant_no, prefix, biz_date, last_seq,
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order_num, remark, create_by, create_dept_id, create_time,
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update_by, update_time, del_flag
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) VALUES (
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:id, :tenant_no, :prefix, :biz_date, :seq,
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0, NULL, :user_id, '', :now,
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:user_id, :now, 0
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)
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ON DUPLICATE KEY UPDATE
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last_seq = GREATEST(last_seq, :seq),
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update_by = :user_id,
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update_time = :now
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"""
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),
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{
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"id": generate_uuid(),
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"tenant_no": tenant_no,
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"prefix": PREFIX,
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"biz_date": biz_date,
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"seq": seq,
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"user_id": uid,
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"now": now,
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},
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)
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