Files
2026-01-11 08:37:21 +08:00

157 lines
4.5 KiB
Python

from pydantic import BaseModel, computed_field, Field, field_validator
from typing import Optional, List, Any, Dict
from datetime import datetime
from decimal import Decimal
from enum import Enum
class Priority(str, Enum):
LOW = "low"
MEDIUM = "medium"
HIGH = "high"
URGENT = "urgent"
class CustomValueInput(BaseModel):
"""Input for setting a custom field value."""
field_id: str
value: Optional[Any] = None # Can be string, number, date string, or user id
class CustomValueResponse(BaseModel):
"""Response for a custom field value."""
field_id: str
field_name: str
field_type: str
value: Optional[Any] = None
display_value: Optional[str] = None # Formatted for display
class TaskBase(BaseModel):
title: str = Field(..., min_length=1, max_length=500)
description: Optional[str] = Field(None, max_length=10000)
priority: Priority = Priority.MEDIUM
original_estimate: Optional[Decimal] = Field(None, ge=0, le=99999)
start_date: Optional[datetime] = None
due_date: Optional[datetime] = None
@field_validator("title")
@classmethod
def title_not_blank(cls, value: str) -> str:
if value is None:
return value
if value.strip() == "":
raise ValueError("Title cannot be blank or whitespace")
return value
class TaskCreate(TaskBase):
parent_task_id: Optional[str] = None
assignee_id: Optional[str] = None
status_id: Optional[str] = None
custom_values: Optional[List[CustomValueInput]] = None
class TaskUpdate(BaseModel):
title: Optional[str] = Field(None, min_length=1, max_length=500)
description: Optional[str] = Field(None, max_length=10000)
priority: Optional[Priority] = None
status_id: Optional[str] = None
assignee_id: Optional[str] = None
original_estimate: Optional[Decimal] = Field(None, ge=0, le=99999)
time_spent: Optional[Decimal] = Field(None, ge=0, le=99999)
start_date: Optional[datetime] = None
due_date: Optional[datetime] = None
position: Optional[int] = Field(None, ge=0)
custom_values: Optional[List[CustomValueInput]] = None
version: Optional[int] = Field(None, ge=1, description="Version for optimistic locking")
@field_validator("title")
@classmethod
def title_not_blank(cls, value: Optional[str]) -> Optional[str]:
if value is None:
return value
if value.strip() == "":
raise ValueError("Title cannot be blank or whitespace")
return value
class TaskStatusUpdate(BaseModel):
status_id: str
class TaskAssignUpdate(BaseModel):
assignee_id: Optional[str] = None
class TaskResponse(TaskBase):
id: str
project_id: str
parent_task_id: Optional[str] = None
assignee_id: Optional[str] = None
status_id: Optional[str] = None
time_spent: Decimal
blocker_flag: bool
position: int
created_by: str
created_at: datetime
updated_at: datetime
version: int = 1 # Optimistic locking version
class Config:
from_attributes = True
# Alias for original_estimate for frontend compatibility
@computed_field
@property
def time_estimate(self) -> Optional[Decimal]:
return self.original_estimate
class TaskWithDetails(TaskResponse):
assignee_name: Optional[str] = None
status_name: Optional[str] = None
status_color: Optional[str] = None
creator_name: Optional[str] = None
subtask_count: int = 0
custom_values: Optional[List[CustomValueResponse]] = None
class TaskListResponse(BaseModel):
tasks: List[TaskWithDetails]
total: int
class TaskRestoreRequest(BaseModel):
"""Request body for restoring a soft-deleted task."""
cascade: bool = Field(
default=True,
description="If True, also restore child tasks deleted at the same time. If False, restore only the parent task."
)
class TaskRestoreResponse(BaseModel):
"""Response for task restore operation."""
restored_task: TaskResponse
restored_children_count: int = 0
restored_children_ids: List[str] = []
class TaskDeleteWarningResponse(BaseModel):
"""Response when task has unresolved blockers and force_delete is False."""
warning: str
blocker_count: int
message: str = "Task has unresolved blockers. Use force_delete=true to delete anyway."
class TaskDeleteResponse(BaseModel):
"""Response for task delete operation."""
task: TaskResponse
blockers_resolved: int = 0
force_deleted: bool = False
@computed_field
@property
def id(self) -> str:
return self.task.id