100 lines
2.8 KiB
Python
100 lines
2.8 KiB
Python
"""Schemas for task CRUD and task comment API payloads."""
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from __future__ import annotations
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from datetime import datetime
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from typing import Literal, Self
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from uuid import UUID
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from pydantic import field_validator, model_validator
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from sqlmodel import Field, SQLModel
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from app.schemas.common import NonEmptyStr
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from app.schemas.tags import TagRef
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TaskStatus = Literal["inbox", "in_progress", "review", "done"]
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STATUS_REQUIRED_ERROR = "status is required"
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# Keep these symbols as runtime globals so Pydantic can resolve
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# deferred annotations reliably.
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RUNTIME_ANNOTATION_TYPES = (datetime, UUID, NonEmptyStr, TagRef)
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class TaskBase(SQLModel):
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"""Shared task fields used by task create/read payloads."""
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title: str
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description: str | None = None
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status: TaskStatus = "inbox"
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priority: str = "medium"
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due_at: datetime | None = None
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assigned_agent_id: UUID | None = None
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depends_on_task_ids: list[UUID] = Field(default_factory=list)
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tag_ids: list[UUID] = Field(default_factory=list)
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class TaskCreate(TaskBase):
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"""Payload for creating a task."""
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created_by_user_id: UUID | None = None
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class TaskUpdate(SQLModel):
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"""Payload for partial task updates."""
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title: str | None = None
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description: str | None = None
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status: TaskStatus | None = None
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priority: str | None = None
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due_at: datetime | None = None
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assigned_agent_id: UUID | None = None
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depends_on_task_ids: list[UUID] | None = None
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tag_ids: list[UUID] | None = None
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comment: NonEmptyStr | None = None
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@field_validator("comment", mode="before")
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@classmethod
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def normalize_comment(cls, value: object) -> object | None:
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"""Normalize blank comment strings to `None`."""
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if value is None:
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return None
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if isinstance(value, str) and not value.strip():
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return None
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return value
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@model_validator(mode="after")
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def validate_status(self) -> Self:
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"""Ensure explicitly supplied status is not null."""
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if "status" in self.model_fields_set and self.status is None:
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raise ValueError(STATUS_REQUIRED_ERROR)
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return self
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class TaskRead(TaskBase):
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"""Task payload returned from read endpoints."""
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id: UUID
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board_id: UUID | None
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created_by_user_id: UUID | None
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in_progress_at: datetime | None
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created_at: datetime
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updated_at: datetime
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blocked_by_task_ids: list[UUID] = Field(default_factory=list)
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is_blocked: bool = False
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tags: list[TagRef] = Field(default_factory=list)
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class TaskCommentCreate(SQLModel):
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"""Payload for creating a task comment."""
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message: NonEmptyStr
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class TaskCommentRead(SQLModel):
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"""Task comment payload returned from read endpoints."""
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id: UUID
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message: str | None
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agent_id: UUID | None
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task_id: UUID | None
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created_at: datetime
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