giles
d2f1da4944
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Switch all cross-service relation calls to the new registry-aware relate/unrelate/can-relate actions, and consolidate per-service container-nav fragment fetches into the generic relations handler. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
90 lines
3.1 KiB
Python
90 lines
3.1 KiB
Python
"""Relations app fragment endpoints.
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Generic container-nav fragment that renders navigation items for all
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related entities, driven by the relation registry.
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"""
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from __future__ import annotations
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from quart import Blueprint, Response, g, request
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from shared.infrastructure.fragments import FRAGMENT_HEADER
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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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# --- generic container-nav fragment ----------------------------------------
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async def _container_nav_handler():
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"""Render nav items for all visible relations of a container entity.
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Query params:
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container_type: entity type (e.g. "page")
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container_id: entity id
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post_slug: used for URL construction
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exclude: comma-separated relation types to skip
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"""
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from shared.sexp.jinja_bridge import sexp as render_sexp
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from shared.sexp.relations import relations_from
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from shared.services.relationships import get_children
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container_type = request.args.get("container_type", "page")
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container_id = int(request.args.get("container_id", 0))
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post_slug = request.args.get("post_slug", "")
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nav_class = request.args.get("nav_class", "")
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exclude_raw = request.args.get("exclude", "")
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exclude = set(exclude_raw.split(",")) if exclude_raw else set()
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nav_defs = [
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d for d in relations_from(container_type)
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if d.nav != "hidden" and d.name not in exclude
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]
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if not nav_defs:
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return ""
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parts = []
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for defn in nav_defs:
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children = await get_children(
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g.s,
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parent_type=container_type,
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parent_id=container_id,
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child_type=defn.to_type,
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relation_type=defn.name,
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)
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for child in children:
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slug = (child.metadata_ or {}).get("slug", "")
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href = f"/{post_slug}/{slug}/" if post_slug else f"/{slug}/"
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parts.append(render_sexp(
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'(~relation-nav :href href :name name :icon icon :nav-class nav-class :relation-type relation-type)',
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href=href,
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name=child.label or "",
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icon=defn.nav_icon or "",
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**{
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"nav-class": nav_class,
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"relation-type": defn.name,
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},
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))
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return "\n".join(parts)
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_handlers["container-nav"] = _container_nav_handler
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return bp
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