44 lines
1.5 KiB
Python
44 lines
1.5 KiB
Python
# app/services/community/ap_compat.py
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# MIT License — AP (ActivityPub) scaffold only (no actor, inbox, outbox)
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from __future__ import annotations
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from datetime import datetime, timezone
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def post_to_ap_json_ld(post: dict, base_url: str) -> dict:
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"""Serialize a community post dict to an ActivityPub-compatible JSON-LD Note.
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This is a read-only scaffold. No AP actor, inbox, or outbox is implemented.
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The slug URI is stable so a future full AP implementation can envelope posts
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without a database migration.
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"""
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slug = post["slug"]
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published = post.get("published")
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if isinstance(published, datetime):
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published_str = published.astimezone(timezone.utc).strftime("%Y-%m-%dT%H:%M:%SZ")
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else:
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published_str = str(published)
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dietary_tags: list[str] = post.get("dietary_tags") or []
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tags = [{"type": "Hashtag", "name": "#kiwi"}]
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for tag in dietary_tags:
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tags.append({"type": "Hashtag", "name": f"#{tag.replace('-', '').replace(' ', '')}"})
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return {
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"@context": "https://www.w3.org/ns/activitystreams",
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"type": "Note",
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"id": f"{base_url}/api/v1/community/posts/{slug}",
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"attributedTo": post.get("pseudonym", "anonymous"),
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"content": _build_content(post),
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"published": published_str,
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"tag": tags,
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}
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def _build_content(post: dict) -> str:
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title = post.get("title") or "Untitled"
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desc = post.get("description")
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if desc:
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return f"{title} — {desc}"
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return title
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