shanxia2.0/backend/app/crud/site.py

"""站点 CRUD（sys_site）"""
from __future__ import annotations

import math
from datetime import datetime
from typing import Any, Dict, List, Optional, Tuple

from sqlalchemy import and_, func, or_
from sqlalchemy.orm import Session

from app.core.delete_guard import assert_row_deletable_by_creator
from app.core.utils import generate_uuid
from app.models.models import SysSite


def _row_to_dict(s: SysSite) -> Dict[str, Any]:
    return {
        "id": s.id,
        "siteName": s.site_name,
        "siteCode": s.site_code,
        "siteType": s.site_type or "",
        "status": s.status,
        "address": s.address or "",
        "contactName": s.contact_name or "",
        "contactPhone": s.contact_phone or "",
        "businessScope": s.business_scope or "",
        "tenantNo": s.tenant_no,
        "orderNum": s.order_num if s.order_num is not None else 0,
        "remark": s.remark or "",
        "createBy": s.create_by or "",
        "createTime": s.create_time.strftime("%Y-%m-%d %H:%M:%S") if s.create_time else "",
        "updateTime": s.update_time.strftime("%Y-%m-%d %H:%M:%S") if s.update_time else "",
    }


def list_sites(
    db: Session,
    *,
    page: int = 1,
    page_size: int = 10,
    keyword: Optional[str] = None,
    tenant_no: Optional[str] = None,
    ids: Optional[List[str]] = None,
    max_page_size: Optional[int] = None,
    user_info=None,
) -> Tuple[List[Dict[str, Any]], int]:
    def _filtered():
        q0 = db.query(SysSite).filter(SysSite.del_flag == 0)
        if tenant_no:
            q0 = q0.filter(SysSite.tenant_no == tenant_no)
        kw = (keyword or "").strip()
        if kw:
            like = f"%{kw}%"
            q0 = q0.filter(or_(SysSite.site_name.like(like), SysSite.site_code.like(like)))
        if ids:
            q0 = q0.filter(SysSite.id.in_(ids))
        # 站点为租户主数据，不做 create_by 数据范围过滤
        return q0

    total = _filtered().order_by(None).with_entities(func.count(SysSite.id)).scalar() or 0
    page = max(1, page)
    cap = int(max_page_size) if max_page_size else 500
    page_size = min(max(1, page_size), cap)
    rows = (
        _filtered()
        .order_by(SysSite.create_time.desc())
        .offset((page - 1) * page_size)
        .limit(page_size)
        .all()
    )
    return [_row_to_dict(x) for x in rows], int(total)


def get_site(db: Session, site_id: str) -> Optional[SysSite]:
    return (
        db.query(SysSite)
        .filter(and_(SysSite.id == site_id, SysSite.del_flag == 0))
        .first()
    )


def site_code_exists(db: Session, code: str, tenant_no: str, exclude_id: Optional[str] = None) -> bool:
    q = db.query(SysSite).filter(and_(SysSite.site_code == code.strip(), SysSite.tenant_no == tenant_no, SysSite.del_flag == 0))
    if exclude_id:
        q = q.filter(SysSite.id != exclude_id)
    return q.first() is not None


def create_site(
    db: Session,
    *,
    site_name: str,
    site_code: str,
    site_type: Optional[str] = None,
    status: str = "1",
    address: Optional[str] = None,
    contact_name: Optional[str] = None,
    contact_phone: Optional[str] = None,
    business_scope: Optional[str] = None,
    tenant_no: str = "shanxia2.0",
    order_num: Optional[int] = None,
    remark: Optional[str] = None,
    user_id: Optional[str] = None,
) -> SysSite:
    sc = (site_code or "").strip()
    if not sc:
        raise ValueError("站点编码不能为空")
    if site_code_exists(db, sc, tenant_no):
        raise ValueError("站点编码已存在")
    obj = SysSite(
        id=generate_uuid(),
        site_name=(site_name or "").strip() or sc,
        site_code=sc,
        site_type=(site_type or "").strip() or None,
        status=status or "1",
        address=(address or "").strip() or None,
        contact_name=(contact_name or "").strip() or None,
        contact_phone=(contact_phone or "").strip() or None,
        business_scope=(business_scope or "").strip() or None,
        tenant_no=tenant_no,
        order_num=order_num if order_num is not None else 0,
        remark=(remark or "").strip() or None,
        create_by=user_id,
        create_dept_id="",
        create_time=datetime.now(),
        update_by=user_id,
        update_time=datetime.now(),
        del_flag=0,
    )
    db.add(obj)
    db.commit()
    db.refresh(obj)
    return obj


def update_site(
    db: Session,
    site_id: str,
    *,
    site_name: Optional[str] = None,
    site_code: Optional[str] = None,
    site_type: Optional[str] = None,
    status: Optional[str] = None,
    address: Optional[str] = None,
    contact_name: Optional[str] = None,
    contact_phone: Optional[str] = None,
    business_scope: Optional[str] = None,
    order_num: Optional[int] = None,
    remark: Optional[str] = None,
    user_id: Optional[str] = None,
) -> SysSite:
    obj = get_site(db, site_id)
    if not obj:
        raise ValueError("站点不存在")
    if site_code is not None:
        new_code = site_code.strip()
        if not new_code:
            raise ValueError("站点编码不能为空")
        if new_code != obj.site_code and site_code_exists(db, new_code, obj.tenant_no, exclude_id=site_id):
            raise ValueError("站点编码已存在")
        obj.site_code = new_code
    if site_name is not None:
        obj.site_name = (site_name or "").strip() or obj.site_name
    if site_type is not None:
        obj.site_type = (site_type or "").strip() or None
    if status is not None:
        obj.status = status
    if address is not None:
        obj.address = (address or "").strip() or None
    if contact_name is not None:
        obj.contact_name = (contact_name or "").strip() or None
    if contact_phone is not None:
        obj.contact_phone = (contact_phone or "").strip() or None
    if business_scope is not None:
        obj.business_scope = (business_scope or "").strip() or None
    if order_num is not None:
        obj.order_num = order_num
    if remark is not None:
        obj.remark = (remark or "").strip() or None
    obj.update_by = user_id
    obj.update_time = datetime.now()
    db.add(obj)
    db.commit()
    db.refresh(obj)
    return obj


def soft_delete_site(db: Session, site_id: str, *, user_info: dict = None) -> None:
    obj = get_site(db, site_id)
    if not obj:
        raise ValueError("站点不存在")
    assert_row_deletable_by_creator(obj, user_info)
    obj.del_flag = 1
    obj.update_time = datetime.now()
    db.add(obj)
    db.commit()


def total_pages(total: int, page_size: int) -> int:
    if total <= 0:
        return 0
    return int(math.ceil(total / float(page_size)))