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track-LICA/backend/app/schemas/task.py

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"""任务 Pydantic Schemas — 支持无限嵌套子任务、裂变转交、驳回返工"""
from __future__ import annotations
import uuid
from datetime import datetime
from typing import Optional
from pydantic import BaseModel, Field, field_validator, model_validator
# ============================================================
# 请求模型
# ============================================================
class TaskCreate(BaseModel):
"""创建任务"""
product_id: uuid.UUID = Field(..., description="所属产品ID")
parent_task_id: uuid.UUID | None = Field(None, description="父任务ID(用于嵌套子任务/裂变分支)")
task_name: str = Field(..., max_length=200, description="任务名称")
assignee_id: str | None = Field(None, max_length=64, description="负责人ID(逻辑外键→老系统)")
notify_parent_on_complete: bool = Field(False, description="完成后是否通知父任务")
is_rework: bool = Field(False, description="是否为返工任务")
remark: str | None = Field(None, max_length=2000, description="初始描述/交接备注")
model_config = {"from_attributes": True}
class TaskUpdate(BaseModel):
"""更新任务"""
task_name: str | None = Field(None, max_length=200)
assignee_id: str | None = Field(None, max_length=64)
status: str | None = Field(None, max_length=50, description="任务状态")
notify_parent_on_complete: bool | None = Field(None)
model_config = {"from_attributes": True}
class TaskCompleteRequest(BaseModel):
"""完成任务请求 — 携带转交信息(保留兼容旧版单步转交)"""
operator_id: str | None = Field(None, max_length=64, description="操作人ID")
next_assignee_id: str | None = Field(None, max_length=64, description="下一步任务负责人ID")
next_task_name: str | None = Field(None, max_length=200, description="下一步任务名称")
remark: str | None = Field(None, description="完成备注")
class SubtaskCreate(BaseModel):
"""创建子任务"""
task_name: str = Field(..., max_length=200, description="子任务名称")
assignee_id: str | None = Field(None, max_length=64, description="负责人ID")
notify_parent_on_complete: bool = Field(False, description="完成后是否通知父任务")
class TaskRejectRequest(BaseModel):
"""品质驳回请求 — 驳回原因必填;异常图片【选填】
编号错误工序选错等场景无需拍照举证故不强制传图"""
reason: str = Field(..., min_length=1, max_length=500, description="驳回原因(必填)")
images: list[str] = Field(
default_factory=list, max_length=9,
description="异常图片 URL 列表(选填,可传空数组,最多 9 张)",
)
@field_validator("reason", mode="before")
@classmethod
def _strip_reason(cls, v):
"""先 strip 再交给 min_length 校验:否则纯空格(' ')能凑够长度绕过必填。
顺带保证落库的 Task.reject_reason / TaskRecord.remark 不带首尾空白
非字符串原样返回 Pydantic 抛出正常的类型错误"""
return v.strip() if isinstance(v, str) else v
@field_validator("images")
@classmethod
def _validate_images(cls, v: list[str]) -> list[str]:
"""剥离空串(前端可能提交 [''] 之类的占位),并做总长度上限校验,
避免落库时才撞上 TaskRecord.images String(4000) 上限图片选填允许为空"""
urls = [u.strip() for u in v if u and u.strip()]
if sum(len(u) for u in urls) > 3500:
raise ValueError("异常图片 URL 总长度超限,请减少图片数量")
return urls
class TaskTransferBranch(BaseModel):
"""裂变分支"""
task_name: str = Field(..., max_length=200, description="工序名称")
assignees: list[str] = Field(
default_factory=list, min_length=0,
description=(
"接收人列表。允许为空数组,但仅当 finish_directly=True 时合法——"
"空分支不产生任何下游任务(见 TaskTransferRequest 的校验)。"
),
)
class TaskTransferRequest(BaseModel):
"""完工裂变转交请求 — 支持多分支 next_tasks 和旧版单线兼容"""
next_assignees: list[str] | None = Field(None, description="[旧版] 下一道工序接收人列表")
next_task_name: str | None = Field(None, max_length=200, description="[旧版] 下一道工序名称")
next_tasks: list[TaskTransferBranch] | None = Field(None, description="[新版] 多分支任务列表")
note: str | None = Field(None, description="交接备注")
finish_directly: bool = Field(
False,
description=(
"直接完结:闭环当前任务但【不产生任何下游任务】。"
"它只是一个任务闭环动作,【不改动】产品的 overall_status —— "
"已出库的设备完结后依然是已出库(不入库,也不会变成「待仓库收货」)。"
"权限:仅 SUPER_ADMIN / SUPERVISOR 可调用,其余角色 403。"
"置 True 时忽略 next_tasks / next_assignees。"
),
)
@model_validator(mode="after")
def _reject_silent_empty_branch(self):
"""空 assignees 分支会让「转交」静默退化成「直接完结」——任务闭环了却没人接手,
是个丢件级隐患想直接完结必须显式传 finish_directly=true不能靠漏填凑合"""
if self.finish_directly:
return self
if any(not b.assignees for b in (self.next_tasks or [])):
raise ValueError(
"分支 assignees 不能为空;若意图是「直接完结该任务」,"
"请改为传 finish_directly=true"
)
return self
class TaskRecordCreate(BaseModel):
"""任务进度记录 — 备注 + 图片"""
remark: str = Field("", max_length=2000, description="备注文本")
images: list[str] = Field(default_factory=list, description="图片 URL 列表")
class TaskRecordResponse(BaseModel):
id: int
task_id: uuid.UUID
remark: str | None = None
images: list[str] = []
created_at: datetime | None = None
model_config = {"from_attributes": True}
@field_validator("images", mode="before")
@classmethod
def _parse_images(cls, v):
"""处理 DB 中 images 的 JSON 字符串 → list 反序列化(不污染 ORM 对象)"""
import json
if isinstance(v, str):
try:
return json.loads(v)
except (json.JSONDecodeError, TypeError):
return []
if v is None:
return []
return v
# ============================================================
# 响应模型
# ============================================================
class TaskSummaryResponse(BaseModel):
"""任务摘要 — 扫码时用,不含嵌套子任务"""
id: uuid.UUID
product_id: uuid.UUID
parent_task_id: uuid.UUID | None
task_name: str
assignee_id: str | None
status: str
notify_parent_on_complete: bool
is_rework: bool = False
task_type: str | None = None
remark: str | None = None
reject_reason: str | None = None
received_at: datetime | None = None
completed_at: datetime | None = None
created_at: datetime
created_by: str | None = None # 谁创建的从task_logs追溯
model_config = {"from_attributes": True}
class TaskResponse(BaseModel):
"""任务详情响应 — 递归包含所有子任务"""
id: uuid.UUID
product_id: uuid.UUID
product_sn: str = ""
product_material: str = ""
parent_task_id: uuid.UUID | None
task_name: str
assignee_id: str | None
status: str
notify_parent_on_complete: bool
is_rework: bool = False
task_type: str | None = None
remark: str | None = None
reject_reason: str | None = None
received_at: datetime | None = None
completed_at: datetime | None = None
created_at: datetime
child_tasks: list[TaskResponse] = []
records: list[TaskRecordResponse] = []
created_by: str | None = None # 谁创建的从task_logs追溯
model_config = {"from_attributes": True}
class TaskCompleteResponse(BaseModel):
"""任务完成响应"""
completed_task: TaskResponse
next_task: TaskResponse | None = None
message: str
class TaskTransferResponse(BaseModel):
"""裂变转交响应"""
completed_task: TaskResponse
created_tasks: list[TaskResponse] = []
message: str
class TaskListResponse(BaseModel):
"""任务列表响应"""
tasks: list[TaskResponse]
total: int