from pydantic import BaseModel, Field
from typing import List, Optional, Literal
from datetime import datetime
from uuid import uuid4
TaskStatus = Literal["backlog", "in_progress", "review", "complete"]
class Task(BaseModel):
id: str = Field(default_factory=lambda: str(uuid4()))
description: str
category: str
status: TaskStatus = "backlog"
created_at: datetime = Field(default_factory=datetime.now)
updated_at: datetime = Field(default_factory=datetime.now)
class Project(BaseModel):
id: str = Field(default_factory=lambda: str(uuid4()))
name: str
description: str = ""
created_at: datetime = Field(default_factory=datetime.now)
updated_at: datetime = Field(default_factory=datetime.now)
tasks: List[Task] = Field(default_factory=list)
class ProjectSummary(BaseModel):
id: str
name: str
description: str
task_count: int
created_at: datetime
updated_at: datetime
class ProjectDetails(BaseModel):
id: str
name: str
description: str
created_at: datetime
updated_at: datetime
tasks: List[Task]
task_stats: dict
class CreateProjectInput(BaseModel):
name: str
description: Optional[str] = ""
class CreateTaskInput(BaseModel):
project_id: str
description: str
category: str
class UpdateTaskStatusInput(BaseModel):
task_id: str
status: TaskStatus
class OperationResponse(BaseModel):
success: bool
message: str
