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blog.pyaqa.ru/app/presentation/schemas/post.py
Sergey Vanyushkin ca4e8877a5 docs: add AI code generation requirements and comprehensive Google-style docstrings
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2026-05-02 13:15:21 +03:00

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Python

"""API schemas for posts.
This module defines Pydantic schemas for request/response validation
in the posts API endpoints.
"""
from datetime import datetime
from uuid import UUID
from pydantic import BaseModel, ConfigDict, Field
class PostBaseSchema(BaseModel):
"""Base schema for posts.
Contains common fields shared across post schemas.
Attributes:
title: Post title (3-200 characters).
content: Post content (10-50000 characters).
"""
model_config = ConfigDict(from_attributes=True)
title: str = Field(..., min_length=3, max_length=200)
content: str = Field(..., min_length=10, max_length=50000)
class PostCreateSchema(PostBaseSchema):
"""Schema for creating a post.
Extends base schema with creation-specific fields.
Attributes:
tags: List of tags for categorization.
"""
tags: list[str] = Field(default_factory=list)
class PostUpdateSchema(BaseModel):
"""Schema for updating a post.
All fields are optional for partial updates.
Attributes:
title: Optional new title.
content: Optional new content.
tags: Optional new tags list.
"""
model_config = ConfigDict(from_attributes=True)
title: str | None = Field(None, min_length=3, max_length=200)
content: str | None = Field(None, min_length=10, max_length=50000)
tags: list[str] | None = None
class PostResponseSchema(BaseModel):
"""Schema for post response.
Complete post data for API responses.
Attributes:
id: Unique post identifier.
title: Post title.
content: Post content.
slug: URL-friendly slug.
author_id: Author identifier.
published: Publication status.
tags: List of tags.
created_at: Creation timestamp.
updated_at: Last update timestamp.
"""
model_config = ConfigDict(from_attributes=True)
id: UUID
title: str
content: str
slug: str
author_id: str
published: bool
tags: list[str]
created_at: datetime
updated_at: datetime
class PostListResponseSchema(BaseModel):
"""Schema for list of posts response.
Paginated response for list endpoints.
Attributes:
items: List of post items.
total: Total number of items.
"""
items: list[PostResponseSchema]
total: int
class PostSearchSchema(BaseModel):
"""Schema for searching posts.
Search query parameters.
Attributes:
query: Search query string (1-100 characters).
"""
query: str = Field(..., min_length=1, max_length=100)
class PostPublishSchema(BaseModel):
"""Schema for publishing/unpublishing a post.
Publication status toggle.
Attributes:
published: Desired publication status.
"""
published: bool