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245 lines
7.7 KiB
Python
245 lines
7.7 KiB
Python
"""审批流程管理 API。"""
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from typing import List, Optional
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from fastapi import APIRouter, Depends, HTTPException
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from sqlalchemy import select
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from sqlalchemy.ext.asyncio import AsyncSession
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from sqlalchemy.orm import selectinload
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from app.core.database import get_db
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from app.core.security import require_role
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from app.models.user import User
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from app.models.workflow import WorkflowDefinition, WorkflowStep
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from app.schemas.workflow import (
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WorkflowCreate, WorkflowUpdate, WorkflowResponse,
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WorkflowStepCreate,
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)
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router = APIRouter(prefix="/workflows", tags=["审批流程"])
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def _serialize_step(step: WorkflowStep) -> dict:
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return {
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"id": step.id,
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"workflow_id": step.workflow_id,
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"step_number": step.step_number,
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"name": step.name,
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"step_type": step.step_type,
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"approver_role": step.approver_role,
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"approver_ids": step.approver_ids,
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"is_required": step.is_required,
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"timeout_hours": step.timeout_hours,
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"auto_approve_on_timeout": step.auto_approve_on_timeout,
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}
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def _serialize_workflow(wf: WorkflowDefinition) -> dict:
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return {
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"id": wf.id,
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"name": wf.name,
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"description": wf.description,
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"is_default": wf.is_default,
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"is_active": wf.is_active,
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"created_at": wf.created_at,
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"steps": [_serialize_step(s) for s in wf.steps],
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}
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@router.get("", response_model=List[WorkflowResponse])
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async def list_workflows(
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(require_role("admin", "dba")),
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):
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result = await db.execute(
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select(WorkflowDefinition)
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.where(WorkflowDefinition.is_active == True)
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.options(selectinload(WorkflowDefinition.steps))
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)
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workflows = result.scalars().unique().all()
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return [_serialize_workflow(wf) for wf in workflows]
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@router.post("", response_model=WorkflowResponse, status_code=201)
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async def create_workflow(
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data: WorkflowCreate,
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(require_role("admin")),
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):
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# 如果设为默认，取消其他默认
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if data.is_default:
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from sqlalchemy import update as sa_update
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await db.execute(
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sa_update(WorkflowDefinition)
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.where(WorkflowDefinition.is_default == True)
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.values(is_default=False)
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)
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workflow = WorkflowDefinition(
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name=data.name,
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description=data.description,
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is_default=data.is_default,
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)
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db.add(workflow)
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await db.flush()
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for step_data in data.steps:
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step = WorkflowStep(
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workflow_id=workflow.id,
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step_number=step_data.step_number,
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name=step_data.name,
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step_type=step_data.step_type,
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approver_role=step_data.approver_role,
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approver_ids=step_data.approver_ids,
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is_required=step_data.is_required,
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timeout_hours=step_data.timeout_hours,
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auto_approve_on_timeout=step_data.auto_approve_on_timeout,
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)
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db.add(step)
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await db.commit()
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# Reload with steps
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result = await db.execute(
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select(WorkflowDefinition)
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.where(WorkflowDefinition.id == workflow.id)
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.options(selectinload(WorkflowDefinition.steps))
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)
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workflow = result.scalar_one()
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return _serialize_workflow(workflow)
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@router.get("/{workflow_id}", response_model=WorkflowResponse)
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async def get_workflow(
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workflow_id: int,
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(require_role("admin", "dba")),
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):
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result = await db.execute(
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select(WorkflowDefinition)
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.where(WorkflowDefinition.id == workflow_id)
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.options(selectinload(WorkflowDefinition.steps))
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)
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workflow = result.scalar_one_or_none()
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if not workflow:
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raise HTTPException(status_code=404, detail="审批流程不存在")
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return _serialize_workflow(workflow)
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@router.put("/{workflow_id}", response_model=WorkflowResponse)
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async def update_workflow(
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workflow_id: int,
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data: WorkflowUpdate,
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(require_role("admin")),
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):
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result = await db.execute(
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select(WorkflowDefinition)
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.where(WorkflowDefinition.id == workflow_id)
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.options(selectinload(WorkflowDefinition.steps))
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)
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workflow = result.scalar_one_or_none()
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if not workflow:
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raise HTTPException(status_code=404, detail="审批流程不存在")
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if data.name is not None:
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workflow.name = data.name
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if data.description is not None:
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workflow.description = data.description
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if data.is_active is not None:
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workflow.is_active = data.is_active
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await db.commit()
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await db.refresh(workflow)
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return _serialize_workflow(workflow)
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@router.delete("/{workflow_id}")
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async def delete_workflow(
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workflow_id: int,
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(require_role("admin")),
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):
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result = await db.execute(
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select(WorkflowDefinition).where(WorkflowDefinition.id == workflow_id)
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)
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workflow = result.scalar_one_or_none()
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if not workflow:
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raise HTTPException(status_code=404, detail="审批流程不存在")
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workflow.is_active = False
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await db.commit()
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return {"message": "审批流程已删除"}
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@router.post("/{workflow_id}/set-default")
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async def set_default_workflow(
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workflow_id: int,
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(require_role("admin")),
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):
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"""设为默认审批流程。"""
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# 取消所有默认
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result = await db.execute(select(WorkflowDefinition))
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all_workflows = result.scalars().all()
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for wf in all_workflows:
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wf.is_default = False
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# 设置指定流程为默认
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result = await db.execute(
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select(WorkflowDefinition).where(WorkflowDefinition.id == workflow_id)
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)
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workflow = result.scalar_one_or_none()
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if not workflow:
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raise HTTPException(status_code=404, detail="审批流程不存在")
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workflow.is_default = True
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await db.commit()
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return {"message": "审批流程 '{}' 已设为默认".format(workflow.name)}
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@router.post("/{workflow_id}/clone", response_model=WorkflowResponse)
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async def clone_workflow(
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workflow_id: int,
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db: AsyncSession = Depends(get_db),
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current_user: User = Depends(require_role("admin")),
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):
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"""克隆审批流程。"""
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result = await db.execute(
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select(WorkflowDefinition)
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.where(WorkflowDefinition.id == workflow_id)
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.options(selectinload(WorkflowDefinition.steps))
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)
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source = result.scalar_one_or_none()
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if not source:
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raise HTTPException(status_code=404, detail="审批流程不存在")
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new_workflow = WorkflowDefinition(
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name="{} (副本)".format(source.name),
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description=source.description,
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is_default=False,
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)
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db.add(new_workflow)
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await db.flush()
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for step in source.steps:
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new_step = WorkflowStep(
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workflow_id=new_workflow.id,
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step_number=step.step_number,
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name=step.name,
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step_type=step.step_type,
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approver_role=step.approver_role,
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approver_ids=step.approver_ids,
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is_required=step.is_required,
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timeout_hours=step.timeout_hours,
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auto_approve_on_timeout=step.auto_approve_on_timeout,
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)
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db.add(new_step)
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await db.commit()
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# Reload with steps
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result = await db.execute(
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select(WorkflowDefinition)
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.where(WorkflowDefinition.id == new_workflow.id)
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.options(selectinload(WorkflowDefinition.steps))
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)
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new_workflow = result.scalar_one()
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return _serialize_workflow(new_workflow)
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