8f7a15186c
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Extract blog-specific code from the coop monolith into a standalone repository. Includes auth, blog, post, admin, menu_items, snippets blueprints, associated templates, Dockerfile (APP_MODULE=app:app), entrypoint, and Gitea CI workflow. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
59 lines
1.6 KiB
Python
59 lines
1.6 KiB
Python
from __future__ import annotations
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from typing import Optional
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from sqlalchemy import select, func, update
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from sqlalchemy.ext.asyncio import AsyncSession
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from models.ghost_content import Post, PostLike
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async def toggle_post_like(
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session: AsyncSession,
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user_id: int,
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post_id: int,
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) -> tuple[bool, Optional[str]]:
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"""
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Toggle a post like for a given user using soft deletes.
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Returns (liked_state, error_message).
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- If error_message is not None, an error occurred.
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- liked_state indicates whether post is now liked (True) or unliked (False).
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"""
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# Verify post exists
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post_exists = await session.scalar(
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select(Post.id).where(Post.id == post_id, Post.deleted_at.is_(None))
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)
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if not post_exists:
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return False, "Post not found"
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# Check if like exists (not deleted)
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existing = await session.scalar(
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select(PostLike).where(
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PostLike.user_id == user_id,
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PostLike.post_id == post_id,
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PostLike.deleted_at.is_(None),
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)
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)
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if existing:
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# Unlike: soft delete the like
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await session.execute(
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update(PostLike)
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.where(
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PostLike.user_id == user_id,
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PostLike.post_id == post_id,
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PostLike.deleted_at.is_(None),
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)
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.values(deleted_at=func.now())
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)
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return False, None
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else:
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# Like: add a new like
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new_like = PostLike(
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user_id=user_id,
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post_id=post_id,
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)
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session.add(new_like)
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return True, None
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