UMBRA/backend/app/schemas/project_task.py
Kyle Pope bef856fd15 Add collaborative project sharing, task assignments, and delta polling
Enables multi-user project collaboration mirroring the shared calendar
pattern. Includes ProjectMember model with permission levels, task
assignment with auto-membership, optimistic locking, field allowlist
for assignees, disconnect cascade, delta polling for projects and
calendars, and full frontend integration with share sheet, assignment
picker, permission gating, and notification handling.

Migrations: 057 (indexes + version + comment user_id), 058
(project_members), 059 (project_task_assignments)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-03-17 03:18:35 +08:00

59 lines
1.8 KiB
Python

from pydantic import BaseModel, ConfigDict, Field
from datetime import datetime, date
from typing import Optional, List, Literal
from app.schemas.task_comment import TaskCommentResponse
from app.schemas.project_task_assignment import TaskAssignmentResponse
TaskStatus = Literal["pending", "in_progress", "completed", "blocked", "review", "on_hold"]
TaskPriority = Literal["none", "low", "medium", "high"]
class ProjectTaskCreate(BaseModel):
model_config = ConfigDict(extra="forbid")
title: str = Field(min_length=1, max_length=255)
description: Optional[str] = Field(None, max_length=5000)
status: TaskStatus = "pending"
priority: TaskPriority = "medium"
due_date: Optional[date] = None
person_id: Optional[int] = None
sort_order: int = 0
parent_task_id: Optional[int] = None
class ProjectTaskUpdate(BaseModel):
model_config = ConfigDict(extra="forbid")
title: Optional[str] = Field(None, min_length=1, max_length=255)
description: Optional[str] = Field(None, max_length=5000)
status: Optional[TaskStatus] = None
priority: Optional[TaskPriority] = None
due_date: Optional[date] = None
person_id: Optional[int] = None
sort_order: Optional[int] = None
version: Optional[int] = None # For optimistic locking
class ProjectTaskResponse(BaseModel):
id: int
project_id: int
parent_task_id: Optional[int] = None
title: str
description: Optional[str]
status: str
priority: str
due_date: Optional[date]
person_id: Optional[int]
sort_order: int
version: int = 1
created_at: datetime
updated_at: datetime
subtasks: List["ProjectTaskResponse"] = []
comments: List[TaskCommentResponse] = []
assignments: List[TaskAssignmentResponse] = []
model_config = ConfigDict(from_attributes=True)
ProjectTaskResponse.model_rebuild()