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All four services (blog, market, events, federation) now use the shared ~link-card s-expression component instead of per-service Jinja templates. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
85 lines
2.8 KiB
Python
85 lines
2.8 KiB
Python
"""Federation app fragment endpoints.
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Exposes HTML fragments at ``/internal/fragments/<type>`` for consumption
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by other coop apps via the fragment client.
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"""
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from __future__ import annotations
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from quart import Blueprint, Response, request
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from shared.infrastructure.fragments import FRAGMENT_HEADER
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from shared.sexp.jinja_bridge import sexp
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def register():
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bp = Blueprint("fragments", __name__, url_prefix="/internal/fragments")
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_handlers: dict[str, object] = {}
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@bp.before_request
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async def _require_fragment_header():
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if not request.headers.get(FRAGMENT_HEADER):
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return Response("", status=403)
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@bp.get("/<fragment_type>")
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async def get_fragment(fragment_type: str):
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handler = _handlers.get(fragment_type)
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if handler is None:
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return Response("", status=200, content_type="text/html")
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html = await handler()
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return Response(html, status=200, content_type="text/html")
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# --- link-card fragment: actor profile preview card --------------------------
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def _render_federation_link_card(actor, link: str) -> str:
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return sexp(
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'(~link-card :link link :title title :image image'
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' :icon "fas fa-user" :subtitle username'
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' :detail summary :data-app "federation")',
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link=link,
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title=actor.display_name or actor.preferred_username,
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image=None,
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username=f"@{actor.preferred_username}" if actor.preferred_username else None,
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summary=actor.summary,
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)
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async def _link_card_handler():
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from quart import g
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from shared.services.registry import services
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from shared.infrastructure.urls import federation_url
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username = request.args.get("username", "")
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slug = request.args.get("slug", "")
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keys_raw = request.args.get("keys", "")
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# Batch mode
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if keys_raw:
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usernames = [k.strip() for k in keys_raw.split(",") if k.strip()]
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parts = []
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for u in usernames:
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parts.append(f"<!-- fragment:{u} -->")
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actor = await services.federation.get_actor_by_username(g.s, u)
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if actor:
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parts.append(_render_federation_link_card(
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actor, federation_url(f"/users/{actor.preferred_username}"),
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))
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return "\n".join(parts)
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# Single mode
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lookup = username or slug
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if not lookup:
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return ""
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actor = await services.federation.get_actor_by_username(g.s, lookup)
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if not actor:
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return ""
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return _render_federation_link_card(
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actor, federation_url(f"/users/{actor.preferred_username}"),
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)
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_handlers["link-card"] = _link_card_handler
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bp._fragment_handlers = _handlers
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return bp
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