521 lines
19 KiB
Python
521 lines
19 KiB
Python
"""工作流管理接口"""
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from typing import Any, Dict, List, Optional
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from fastapi import APIRouter, Depends, Query
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from pydantic import AliasChoices, BaseModel, ConfigDict, Field
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from sqlalchemy.orm import Session
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from app.core.database import get_db
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from app.core.menu_guard import require_admin_or_super_admin
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from app.core.response import success_response, error_response
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from app.crud import workflow as wf_crud
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from app.models.models import SysUser, WfNode, WfProcessDef, WfProcessVersion, WfTask
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from app.services.workflow_engine import WorkflowEngine
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router = APIRouter(prefix="/web/admin/workflow", tags=["工作流管理"])
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# ---------------------------------------------------------------------------
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# 业务类型 → 中文名称映射
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# ---------------------------------------------------------------------------
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_BUSINESS_TYPE_LABELS: Dict[str, str] = {
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"leave": "请假申请",
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}
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def _business_type_label(code: Optional[str]) -> str:
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if not code:
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return ""
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return _BUSINESS_TYPE_LABELS.get(code, code)
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# ---------------------------------------------------------------------------
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# 业务表单字段提供者注册表
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# 新增业务类型时，只需添加一个 provider 函数并注册即可，前端无需改动
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# ---------------------------------------------------------------------------
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import logging
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_form_field_logger = logging.getLogger("workflow.form_fields")
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def _leave_form_fields(db: Session, business_id: str) -> List[Dict[str, str]]:
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from app.crud import leave as leave_crud
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item = leave_crud.get_leave(db, business_id)
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if not item:
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return []
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leave_type_map = {"personal": "事假", "sick": "病假", "annual": "年假", "other": "其他"}
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fields = [
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{"label": "请假类型", "value": leave_type_map.get(item.get("leaveType", ""), item.get("leaveType", ""))},
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{"label": "请假天数", "value": f"{item.get('days', 0)} 天" if item.get("days") else "--"},
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{"label": "开始日期", "value": item.get("startDate", "") or "--"},
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{"label": "结束日期", "value": item.get("endDate", "") or "--"},
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]
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if item.get("reason"):
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fields.append({"label": "请假原因", "value": item["reason"]})
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if item.get("remark"):
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fields.append({"label": "备注", "value": item["remark"]})
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return fields
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_BUSINESS_FORM_FIELD_PROVIDERS: Dict[str, Any] = {
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"leave": _leave_form_fields,
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}
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def _get_business_form_fields(db: Session, business_type: Optional[str], business_id: Optional[str]) -> List[Dict[str, str]]:
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if not business_type or not business_id:
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return []
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provider = _BUSINESS_FORM_FIELD_PROVIDERS.get(business_type)
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if not provider:
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return []
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try:
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return provider(db, business_id)
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except Exception as e:
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_form_field_logger.warning("加载业务表单字段失败: type=%s id=%s err=%s", business_type, business_id, e)
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return []
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def _enrich_task_list(db: Session, items: List[Dict[str, Any]]) -> None:
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starter_ids = {it.get("starterUserId") for it in items if it.get("starterUserId")}
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user_name_map: Dict[str, str] = {}
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if starter_ids:
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rows = db.query(SysUser.id, SysUser.nick_name).filter(SysUser.id.in_(starter_ids)).all()
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user_name_map = {r.id: r.nick_name for r in rows}
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for it in items:
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sid = it.get("starterUserId")
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it["starterUserName"] = user_name_map.get(sid, sid or "")
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it["businessTypeLabel"] = _business_type_label(it.get("businessType"))
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# ---------------------------------------------------------------------------
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# Pydantic request bodies
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# ---------------------------------------------------------------------------
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class ProcessDefCreateBody(BaseModel):
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model_config = ConfigDict(populate_by_name=True)
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processCode: str = Field(..., alias="processCode")
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processName: str = Field(..., alias="processName")
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status: Optional[str] = Field("1", alias="status")
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orderNum: Optional[int] = Field(0, alias="orderNum")
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remark: Optional[str] = None
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class ProcessDefUpdateBody(BaseModel):
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model_config = ConfigDict(populate_by_name=True)
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processCode: Optional[str] = Field(None, alias="processCode")
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processName: Optional[str] = Field(None, alias="processName")
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status: Optional[str] = Field(None, alias="status")
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orderNum: Optional[int] = Field(None, alias="orderNum")
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remark: Optional[str] = None
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class PublishVersionBody(BaseModel):
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model_config = ConfigDict(populate_by_name=True)
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graphJson: Optional[str] = Field(None, alias="graphJson")
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nodes: List[Dict[str, Any]] = Field(default_factory=list, alias="nodes")
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transitions: List[Dict[str, Any]] = Field(default_factory=list, alias="transitions")
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remark: Optional[str] = None
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class StartInstanceBody(BaseModel):
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model_config = ConfigDict(populate_by_name=True)
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processCode: str = Field(..., alias="processCode")
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businessType: Optional[str] = Field(None, alias="businessType")
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businessId: Optional[str] = Field(None, alias="businessId")
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variables: Optional[Dict[str, Any]] = None
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callbackUrl: Optional[str] = Field(None, alias="callbackUrl")
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class TaskActionBody(BaseModel):
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"""审批意见：前端传 commentText，兼容 comment。"""
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model_config = ConfigDict(populate_by_name=True)
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comment: Optional[str] = Field(
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default=None,
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validation_alias=AliasChoices("comment", "commentText"),
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)
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# ---------------------------------------------------------------------------
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# 流程定义 CRUD
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# ---------------------------------------------------------------------------
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@router.get("/defs")
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async def list_process_defs(
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page: int = Query(1, ge=1),
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pageSize: int = Query(10, ge=1, le=100, alias="pageSize"),
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keyword: Optional[str] = None,
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status: Optional[str] = None,
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_user: dict = Depends(require_admin_or_super_admin),
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db: Session = Depends(get_db),
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):
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tenant_no = _user.get("tenant_no", "zkxw")
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items, total = wf_crud.list_process_defs(
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db, page=page, page_size=pageSize, keyword=keyword, status=status, tenant_no=tenant_no, user_info=_user
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)
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tp = wf_crud.total_pages(total, pageSize)
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return success_response({"list": items, "total": total, "page": page, "pageSize": pageSize, "totalPages": tp})
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@router.post("/defs")
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async def create_process_def(
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body: ProcessDefCreateBody,
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user: dict = Depends(require_admin_or_super_admin),
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db: Session = Depends(get_db),
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):
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try:
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tenant_no = user.get("tenant_no", "zkxw")
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obj = wf_crud.create_process_def(
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db,
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process_code=body.processCode,
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process_name=body.processName,
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tenant_no=tenant_no,
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status=body.status,
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order_num=body.orderNum,
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remark=body.remark,
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user_id=user.get("user_id"),
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)
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return success_response(wf_crud._row_to_dict(obj), message="创建成功")
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except ValueError as e:
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return error_response(400, str(e))
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@router.put("/defs/{def_id}")
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async def update_process_def(
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def_id: str,
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body: ProcessDefUpdateBody,
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user: dict = Depends(require_admin_or_super_admin),
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db: Session = Depends(get_db),
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):
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try:
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payload: Dict[str, Any] = body.model_dump(exclude_unset=True, by_alias=True)
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obj = wf_crud.update_process_def(
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db,
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def_id,
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process_code=payload.get("processCode"),
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process_name=payload.get("processName"),
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status=payload.get("status"),
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order_num=payload.get("orderNum"),
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remark=payload.get("remark"),
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user_id=user.get("user_id"),
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tenant_no=user.get("tenant_no", "zkxw"),
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)
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return success_response(wf_crud._row_to_dict(obj), message="更新成功")
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except ValueError as e:
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return error_response(400, str(e))
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@router.delete("/defs/{def_id}")
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async def delete_process_def(
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def_id: str,
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_user: dict = Depends(require_admin_or_super_admin),
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db: Session = Depends(get_db),
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):
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try:
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wf_crud.soft_delete_process_def(db, def_id)
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return success_response(None, message="删除成功")
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except ValueError as e:
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return error_response(400, str(e))
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# ---------------------------------------------------------------------------
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# 版本发布 / 查看
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# ---------------------------------------------------------------------------
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@router.post("/defs/{def_id}/publish")
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async def publish_version(
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def_id: str,
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body: PublishVersionBody,
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user: dict = Depends(require_admin_or_super_admin),
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db: Session = Depends(get_db),
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):
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try:
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tenant_no = user.get("tenant_no", "zkxw")
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ver = wf_crud.publish_version(
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db,
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process_def_id=def_id,
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graph_json=body.graphJson or "",
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nodes=body.nodes,
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transitions=body.transitions,
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tenant_no=tenant_no,
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remark=body.remark,
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user_id=user.get("user_id"),
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)
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return success_response({"versionId": ver.id, "versionNo": ver.version_no}, message="发布成功")
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except ValueError as e:
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return error_response(400, str(e))
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@router.get("/defs/{def_id}/versions")
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async def list_versions(
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def_id: str,
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_user: dict = Depends(require_admin_or_super_admin),
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db: Session = Depends(get_db),
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):
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tenant_no = _user.get("tenant_no", "zkxw")
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items = wf_crud.list_versions(db, def_id, tenant_no=tenant_no, user_info=_user)
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return success_response(items)
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@router.get("/defs/{def_id}/designer")
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async def get_designer_data(
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def_id: str,
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_user: dict = Depends(require_admin_or_super_admin),
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db: Session = Depends(get_db),
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):
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ver = wf_crud.get_latest_version(db, def_id)
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if not ver:
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return success_response({"graphJson": None, "nodes": [], "transitions": []})
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nodes = wf_crud.get_nodes_by_version(db, ver.id)
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transitions = wf_crud.get_transitions_by_version(db, ver.id)
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return success_response({
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"graphJson": ver.graph_json,
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"versionId": ver.id,
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"versionNo": ver.version_no,
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"nodes": [
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{"nodeKey": n.node_key, "nodeType": n.node_type, "nodeName": n.node_name, "configJson": n.config_json}
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for n in nodes
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],
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"transitions": [
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{"fromNodeKey": t.from_node_key, "toNodeKey": t.to_node_key, "conditionExpr": t.condition_expr}
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for t in transitions
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],
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})
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# ---------------------------------------------------------------------------
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# 流程实例
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# ---------------------------------------------------------------------------
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@router.post("/instances")
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async def start_instance(
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body: StartInstanceBody,
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user: dict = Depends(require_admin_or_super_admin),
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db: Session = Depends(get_db),
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):
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try:
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tenant_no = user.get("tenant_no", "zkxw")
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user_id = user.get("user_id") or user.get("id")
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defn = (
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db.query(WfProcessDef)
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.filter(
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WfProcessDef.process_code == body.processCode,
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WfProcessDef.del_flag == 0,
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)
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.first()
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)
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if not defn:
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return error_response(404, "流程定义不存在")
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engine = WorkflowEngine(db)
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instance = engine.start_process(
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process_def_id=defn.id,
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business_type=body.businessType,
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business_id=body.businessId,
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starter_user_id=user_id,
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variables=body.variables,
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callback_url=body.callbackUrl,
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tenant_no=tenant_no,
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user_id=user_id,
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)
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return success_response({
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"instanceId": instance.id,
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"status": instance.status,
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}, message="发起成功")
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except ValueError as e:
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return error_response(400, str(e))
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@router.get("/instances/my")
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async def list_my_instances(
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page: int = Query(1, ge=1),
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pageSize: int = Query(10, ge=1, le=100, alias="pageSize"),
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keyword: Optional[str] = None,
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status: Optional[str] = None,
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user: dict = Depends(require_admin_or_super_admin),
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db: Session = Depends(get_db),
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):
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user_id = user.get("user_id") or user.get("id")
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tenant_no = user.get("tenant_no", "zkxw")
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items, total = wf_crud.list_my_instances(
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db, user_id, page=page, page_size=pageSize,
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keyword=keyword, status=status, tenant_no=tenant_no, user_info=user,
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)
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_enrich_task_list(db, items)
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tp = wf_crud.total_pages(total, pageSize)
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return success_response({"list": items, "total": total, "page": page, "pageSize": pageSize, "totalPages": tp})
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@router.get("/instances/{instance_id}")
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async def get_instance_detail(
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instance_id: str,
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_user: dict = Depends(require_admin_or_super_admin),
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db: Session = Depends(get_db),
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):
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instance = wf_crud.get_instance(db, instance_id)
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if not instance:
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return error_response(404, "流程实例不存在")
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tasks = db.query(WfTask).filter(
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WfTask.instance_id == instance_id,
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WfTask.del_flag == 0,
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).order_by(WfTask.create_time.asc()).all()
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# 查询节点名称映射 node_key → node_name
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node_name_map: Dict[str, str] = {}
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if instance.process_version_id:
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for n in wf_crud.get_nodes_by_version(db, instance.process_version_id):
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node_name_map[n.node_key] = n.node_name or n.node_key
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# 批量查询用户名
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user_ids = {t.assignee_user_id for t in tasks if t.assignee_user_id}
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if instance.starter_user_id:
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user_ids.add(instance.starter_user_id)
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user_name_map: Dict[str, str] = {}
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if user_ids:
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rows = db.query(SysUser.id, SysUser.nick_name).filter(SysUser.id.in_(user_ids)).all()
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user_name_map = {r.id: r.nick_name for r in rows}
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return success_response({
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"id": instance.id,
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"businessType": instance.business_type,
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"businessTypeLabel": _business_type_label(instance.business_type),
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"businessId": instance.business_id,
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"businessFormFields": _get_business_form_fields(db, instance.business_type, instance.business_id),
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"starterUserId": instance.starter_user_id,
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"starterUserName": user_name_map.get(instance.starter_user_id, instance.starter_user_id or ""),
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"status": instance.status,
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"variablesJson": instance.variables_json,
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"callbackUrl": instance.callback_url,
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"createTime": instance.create_time.strftime("%Y-%m-%d %H:%M:%S") if instance.create_time else "",
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"tasks": [
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{
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"id": t.id,
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"nodeKey": t.node_key,
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"nodeName": node_name_map.get(t.node_key, t.node_key or ""),
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"assigneeUserId": t.assignee_user_id,
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"assigneeUserName": user_name_map.get(t.assignee_user_id, t.assignee_user_id or ""),
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"status": t.status,
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"commentText": t.comment_text,
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"createTime": t.create_time.strftime("%Y-%m-%d %H:%M:%S") if t.create_time else "",
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"updateTime": t.update_time.strftime("%Y-%m-%d %H:%M:%S") if t.update_time else "",
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}
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for t in tasks
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],
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})
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# ---------------------------------------------------------------------------
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# 待办 / 已办
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# ---------------------------------------------------------------------------
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@router.get("/tasks/pending")
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async def list_pending_tasks(
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page: int = Query(1, ge=1),
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pageSize: int = Query(10, ge=1, le=100, alias="pageSize"),
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keyword: Optional[str] = None,
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user: dict = Depends(require_admin_or_super_admin),
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db: Session = Depends(get_db),
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):
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user_id = user.get("user_id") or user.get("id")
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tenant_no = user.get("tenant_no", "zkxw")
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items, total = wf_crud.list_pending_tasks(
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db, user_id, page=page, page_size=pageSize, keyword=keyword, tenant_no=tenant_no, user_info=user
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)
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_enrich_task_list(db, items)
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tp = wf_crud.total_pages(total, pageSize)
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return success_response({"list": items, "total": total, "page": page, "pageSize": pageSize, "totalPages": tp})
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@router.get("/tasks/completed")
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async def list_completed_tasks(
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page: int = Query(1, ge=1),
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pageSize: int = Query(10, ge=1, le=100, alias="pageSize"),
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keyword: Optional[str] = None,
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user: dict = Depends(require_admin_or_super_admin),
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db: Session = Depends(get_db),
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):
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user_id = user.get("user_id") or user.get("id")
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tenant_no = user.get("tenant_no", "zkxw")
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items, total = wf_crud.list_completed_tasks(
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db, user_id, page=page, page_size=pageSize, keyword=keyword, tenant_no=tenant_no, user_info=user
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)
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_enrich_task_list(db, items)
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tp = wf_crud.total_pages(total, pageSize)
|
|
return success_response({"list": items, "total": total, "page": page, "pageSize": pageSize, "totalPages": tp})
|
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# 审批 / 驳回
|
|
# ---------------------------------------------------------------------------
|
|
|
|
|
|
@router.post("/tasks/{task_id}/approve")
|
|
async def approve_task(
|
|
task_id: str,
|
|
body: TaskActionBody,
|
|
user: dict = Depends(require_admin_or_super_admin),
|
|
db: Session = Depends(get_db),
|
|
):
|
|
try:
|
|
tenant_no = user.get("tenant_no", "zkxw")
|
|
actor_user_id = user.get("user_id") or user.get("id")
|
|
engine = WorkflowEngine(db)
|
|
instance = engine.approve_task(
|
|
task_id, body.comment or "", tenant_no, actor_user_id=actor_user_id
|
|
)
|
|
return success_response({"instanceId": instance.id, "status": instance.status}, message="审批成功")
|
|
except ValueError as e:
|
|
return error_response(400, str(e))
|
|
|
|
|
|
@router.post("/tasks/{task_id}/reject")
|
|
async def reject_task(
|
|
task_id: str,
|
|
body: TaskActionBody,
|
|
user: dict = Depends(require_admin_or_super_admin),
|
|
db: Session = Depends(get_db),
|
|
):
|
|
try:
|
|
tenant_no = user.get("tenant_no", "zkxw")
|
|
actor_user_id = user.get("user_id") or user.get("id")
|
|
engine = WorkflowEngine(db)
|
|
instance = engine.reject_task(
|
|
task_id, body.comment or "", tenant_no, actor_user_id=actor_user_id
|
|
)
|
|
return success_response({"instanceId": instance.id, "status": instance.status}, message="已驳回")
|
|
except ValueError as e:
|
|
return error_response(400, str(e))
|
|
|
|
|
|
# ---------------------------------------------------------------------------
|
|
# 按业务查询所有审批历史（跨实例）
|
|
# ---------------------------------------------------------------------------
|
|
|
|
|
|
@router.get("/instances/by-business/{business_type}/{business_id}")
|
|
async def get_business_all_tasks(
|
|
business_type: str,
|
|
business_id: str,
|
|
_user: dict = Depends(require_admin_or_super_admin),
|
|
db: Session = Depends(get_db),
|
|
):
|
|
tasks = wf_crud.get_all_tasks_for_business(db, business_type, business_id)
|
|
|
|
business_form_fields = _get_business_form_fields(db, business_type, business_id)
|
|
|
|
return success_response({
|
|
"businessType": business_type,
|
|
"businessId": business_id,
|
|
"businessFormFields": business_form_fields,
|
|
"tasks": tasks,
|
|
})
|