DjangoAdmin_FastAPI_EleVue/modules/system/position/service.py

from datetime import datetime, timezone

from fastapi.logger import logger
from sqlalchemy import and_

from shared.constants import PAGE_SIZE
from modules.system.position.schemas import PositionForm, PositionStatusForm
from modules.system.position.models import Position
from core.database import get_db_session
from core import R
from core.security import get_user_id
from utils.request import like_contains


# 查询岗位分页数据

def get_position_page(request):
    db = get_db_session()
    # 页码
    page = int(request.query_params.get("pageNo", 1))
    # 每页数
    limit = int(request.query_params.get("pageSize", PAGE_SIZE))
    # 实例化查询对象
    query = db.query(Position).filter(Position.is_delete == 0)
    # 岗位名称
    name = request.query_params.get('name')
    if name:
        query = query.filter(Position.name.like(like_contains(name), escape='\\'))
    # 岗位状态筛选
    status = request.query_params.get('status')
    if status:
        query = query.filter(Position.status == status)
    # 排序
    query = query.order_by(Position.sort.asc())
    # 记录总数
    count = query.count()
    # 分页查询
    position_list = query.limit(limit).offset((page - 1) * limit).all()
    # 若当前页超出末页（数据被并发删除），自动回退到第一页
    if page > 1 and not position_list:
        page = 1
        count = query.count()
        position_list = query.limit(limit).offset(0).all()
    # 实例化结果
    result = []
    # 遍历数据源
    if len(position_list) > 0:
        for item in position_list:
            # 对象转字典
            data = item.to_dict()
            # 加入列表
            result.append(data)
    # 返回结果
    return R.ok(data=result, count=count)
# 根据ID查询岗位详情

def get_position_detail(position_id):
    db = get_db_session()
    # 根据ID查询岗位
    position = db.query(Position).filter(and_(Position.id == position_id, Position.is_delete == 0)).first()
    # 查询结果判空
    if not position:
        return None
    # 对象转字典
    data = position.to_dict()
    # 返回结果
    return data
# 添加岗位

def add_position(request, data: PositionForm):
    db = get_db_session()
    # 唯一性校验
    if db.query(Position).filter(and_(Position.name == data.name, Position.is_delete == 0)).first():
        return R.failed("岗位名称不能重复")
    # 表单数据赋值给对象
    position = Position(**data.model_dump(exclude={'id'}))
    position.create_user = get_user_id(request)
    # 插入数据
    position.save()
    # 返回结果
    return R.ok(msg="添加成功")


# 更新岗位

def update_position(request, data: PositionForm):
    db = get_db_session()
    # 记录ID判空
    if not data.id or data.id <= 0:
        return R.failed("记录ID不能为空")
    # 唯一性校验（排除自身）
    if db.query(Position).filter(and_(Position.name == data.name, Position.id != data.id, Position.is_delete == 0)).first():
        return R.failed("岗位名称不能重复")

    # 根据ID查询记录
    position = db.query(Position).filter(and_(Position.id == data.id, Position.is_delete == 0)).first()
    # 查询结果判空
    if not position:
        return R.failed("记录不存在")
    # 构造更新数据（排除 id）
    updData = data.model_dump(exclude={'id'})
    updData['update_user'] = get_user_id(request)
    updData['update_time'] = datetime.now(tz=timezone.utc)
    result = db.query(Position).filter_by(id=data.id).update(updData)
    # 提交数据
    if not result:
        return R.failed("更新失败")
    # 返回结果
    return R.ok(msg="更新成功")
# 删除岗位

def delete_position(position_id):
    return Position.batch_delete_r(position_id)
# 设置状态

def update_position_status(request, data: PositionStatusForm):
    db = get_db_session()
    # 根据ID查询记录
    position = db.query(Position).filter(and_(Position.id == data.id, Position.is_delete == 0)).first()
    # 查询结果判空
    if not position:
        return R.failed("记录不存在")

    # 更新记录
    result = db.query(Position).filter_by(id=data.id).update({
        "status": data.status,
        "update_user": get_user_id(request),
        "update_time": datetime.now(tz=timezone.utc)
    })
    # 提交数据
    if not result:
        return R.failed("设置失败")
    # 返回结果
    return R.ok(msg="设置成功")
# 获取岗位数据列表

def get_position_list():
    db = get_db_session()
    # 查询岗位数据列表
    position_rows = db.query(Position).filter(and_(Position.is_delete == 0, Position.status == 1)).order_by(
        Position.sort.asc()).all()
    # 实例化列表
    position_list = []
    # 遍历数据源
    if position_rows:
        for v in position_rows:
            # 对象转字典
            item = v.to_dict()
            # 加入数组
            position_list.append(item)
    # 返回结果
    return position_list