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dpb/backend/app/api/v1/module_system/ticket/service.py
T
34047007@qq.com b95053c52c init: 初始化 dpb 桃育种系统代码库
前后端 + 后端 FastAPI 全量源码、部署脚本与文档。
2026-08-06 00:17:49 +08:00

202 lines
7.8 KiB
Python

from typing import Any
from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession
from app.api.v1.module_system.user.model import UserModel
from app.core.base_schema import AuthSchema, PageResultSchema
from app.core.exceptions import CustomException
from app.utils.common_util import search_to_dict
from app.utils.excel_util import ExcelUtil
from .crud import TicketCommentCRUD, TicketCRUD
from .schema import (
TicketBatchSchema,
TicketCommentCreateSchema,
TicketCommentOutSchema,
TicketCreateSchema,
TicketOutSchema,
TicketQueryParam,
TicketUpdateSchema,
)
_TICKET_STATUS_TRANSITIONS = {
0: {1, 3},
1: {2, 3},
2: {3},
3: {0},
}
_TICKET_STATUS_LABELS = {
0: "待处理",
1: "处理中",
2: "已完成",
3: "已关闭",
}
_TICKET_PRELOAD = ["assigned_by"]
class TicketService:
"""工单管理服务"""
def __init__(self, auth: AuthSchema, db: AsyncSession) -> None:
self.auth = auth
self.db = db
def _validate_status_transition(self, ticket, new_status: int) -> None:
old_status = ticket.status if ticket.status is not None else 0
old_label = _TICKET_STATUS_LABELS.get(old_status, str(old_status))
new_label = _TICKET_STATUS_LABELS.get(new_status, str(new_status))
if new_status not in _TICKET_STATUS_TRANSITIONS.get(old_status, set()):
raise CustomException(msg=f"不允许从{old_label}转换为{new_label}")
user = self.auth.user
is_super = user.is_superuser if user else False
is_creator = user and user.id and ticket.created_id == user.id
is_assignee = user and user.id and ticket.assigned_id == user.id
if new_status == 0:
if not is_super:
raise CustomException(msg="仅超管可以重新打开已关闭的工单")
elif old_status == 0 and new_status == 1:
if not (is_super or is_creator or is_assignee):
raise CustomException(msg="仅创建人、处理人或超管可以受理工单")
elif old_status == 0 and new_status == 3:
if not (is_super or is_creator):
raise CustomException(msg="仅创建人或超管可以取消工单")
elif old_status == 1 and new_status == 2:
if not (is_super or is_assignee):
raise CustomException(msg="仅处理人或超管可以将工单标记为已完成")
elif old_status == 1 and new_status == 3:
if not (is_super or is_creator or is_assignee):
raise CustomException(msg="仅创建人、处理人或超管可以关闭工单")
elif old_status == 2 and new_status == 3:
if not (is_super or is_creator):
raise CustomException(msg="仅创建人或超管可以确认关闭工单")
async def page(
self,
page_no: int,
page_size: int,
search: TicketQueryParam | None = None,
order_by: list | None = None,
) -> PageResultSchema[TicketOutSchema]:
return await TicketCRUD(self.auth, self.db).page(
offset=(page_no - 1) * page_size,
limit=page_size,
order_by=order_by or [{"created_time": "desc"}],
search=search_to_dict(search),
out_schema=TicketOutSchema,
preload=_TICKET_PRELOAD,
)
async def detail(self, id: int) -> TicketOutSchema:
obj = await TicketCRUD(self.auth, self.db).get_or_404(id=id, preload=_TICKET_PRELOAD)
return TicketOutSchema.model_validate(obj)
async def create(self, data: TicketCreateSchema) -> TicketOutSchema:
obj = await TicketCRUD(self.auth, self.db).create(data=data)
if not obj:
raise CustomException(msg="创建工单失败")
return await self.detail(id=obj.id)
async def update(self, id: int, data: TicketUpdateSchema) -> TicketOutSchema:
obj = await TicketCRUD(self.auth, self.db).get_or_404(id=id, msg="工单不存在")
if data.status is not None:
self._validate_status_transition(obj, data.status)
if data.assigned_id is not None:
user_stmt = select(UserModel).where(
UserModel.id == data.assigned_id,
UserModel.is_deleted.is_(False),
)
user_result = await self.db.execute(user_stmt)
assigned_user = user_result.scalar_one_or_none()
if not assigned_user:
raise CustomException(msg="指定的处理人不存在")
updated = await TicketCRUD(self.auth, self.db).update(id=id, data=data)
if not updated:
raise CustomException(msg="工单不存在")
return await self.detail(id=updated.id)
async def delete(self, ids: list[int]) -> None:
if not ids:
raise CustomException(msg="删除对象不能为空")
await TicketCRUD(self.auth, self.db).delete(ids=ids)
async def batch(self, data: TicketBatchSchema) -> None:
if not data.ids:
raise CustomException(msg="请选择要操作的工单")
tickets = await TicketCRUD(self.auth, self.db).get_list(search={"id": ("in", data.ids)})
ticket_map = {t.id: t for t in tickets}
for tid in data.ids:
obj = ticket_map.get(tid)
if not obj:
raise CustomException(msg=f"工单[{tid}]不存在")
self._validate_status_transition(obj, data.status)
await TicketCRUD(self.auth, self.db).set(ids=data.ids, status=data.status)
async def get_list(
self,
search: TicketQueryParam | None = None,
order_by: list[dict[str, str]] | None = None,
) -> list[TicketOutSchema]:
obj_list = await TicketCRUD(self.auth, self.db).get_list(
search=search_to_dict(search),
order_by=order_by or [{"created_time": "desc"}],
preload=_TICKET_PRELOAD,
)
return [TicketOutSchema.model_validate(obj) for obj in obj_list]
@staticmethod
def export_list(ticket_list: list[dict[str, Any]]) -> bytes:
"""导出工单列表"""
mapping_dict = {
"id": "工单编号",
"title": "工单标题",
"ticket_type": "工单类型",
"summary": "工单摘要",
"status": "工单状态",
"description": "备注",
"created_time": "创建时间",
"updated_time": "更新时间",
}
return ExcelUtil.export_list2excel(list_data=ticket_list, mapping_dict=mapping_dict)
class TicketCommentService:
"""工单评论服务"""
def __init__(self, auth: AuthSchema, db: AsyncSession) -> None:
self.auth = auth
self.db = db
async def page(self, ticket_id: int, page_no: int, page_size: int) -> PageResultSchema[TicketCommentOutSchema]:
return await TicketCommentCRUD(self.auth, self.db).page(
offset=(page_no - 1) * page_size,
limit=page_size,
order_by=[{"created_time": "desc"}],
search={"ticket_id": ("eq", ticket_id)},
out_schema=TicketCommentOutSchema,
)
async def create(self, ticket_id: int, data: TicketCommentCreateSchema) -> TicketCommentOutSchema:
# 验证工单存在
await TicketCRUD(self.auth, self.db).get_or_404(id=ticket_id, msg="工单不存在")
create_data = data.model_dump() | {"ticket_id": ticket_id}
obj = await TicketCommentCRUD(self.auth, self.db).create(data=create_data) # type: ignore[arg-type]
if not obj:
raise CustomException(msg="评论失败")
return TicketCommentOutSchema.model_validate(obj)
async def delete(self, comment_id: int) -> None:
await TicketCommentCRUD(self.auth, self.db).get_or_404(id=comment_id, msg="评论不存在")
await TicketCommentCRUD(self.auth, self.db).delete(ids=[comment_id])