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rose-ash/lib/host/ledger.sx
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host: blog published-post read endpoint GET /<slug>/ -> HTML, 156/156
lib/host/blog.sx serves blog posts as HTML at GET /<slug>/ (the original
strangler target, Quart blog post_detail). A post is a content-on-sx CtDoc
rendered via content/html; anonymous + world-visible. In-memory slug->doc
registry now (host/blog-lookup swappable for a persist-backed content stream
later, handler/route unchanged). :slug catch-all mounted LAST so /feed,
/health, /internal/* take precedence. Needs the Smalltalk+persist+content
preload chain + (st-bootstrap-classes!)+(content/bootstrap!) — blog.sx
self-bootstraps at load. serve.sh loads the chain + seeds a welcome post.
Ledger gains the migrated blog post-detail (off-Quart 50% -> 53%).

LIVE: blog.rose-ash.com/welcome/ renders real HTML through Cloudflare->Caddy;
/feed still JSON (precedence verified), unknown slug 404.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-19 18:08:12 +00:00

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;; lib/host/ledger.sx — the strangler migration ledger. A catalogue of every
;; rose-ash HTTP endpoint with its Quart original and its current host status, so
;; the cut-over from Quart to the SX host is tracked endpoint-by-endpoint rather
;; than big-bang. Status is one of:
;; :native — born on the host, has no Quart original (e.g. /health probe)
;; :migrated — moved off Quart, now served by an SX handler
;; :proxied — still on Quart; the host forwards until cut over
;; Coverage (how far the strangler has progressed = how much is OFF Quart) is
;; computed from the catalogue. Pure data + queries — no IO, fully conformable.
;; ── entry constructor ───────────────────────────────────────────────
;; quart is a "service:handler" ref string (nil for :native endpoints); handler
;; is the SX handler name serving it (nil while still :proxied).
(define host/ledger-entry
(fn (domain method path quart status handler)
{:domain domain :method method :path path
:quart quart :status status :handler handler}))
;; ── the catalogue ───────────────────────────────────────────────────
;; Reflects the live host: feed reads+writes migrated, /health native, the
;; relations container endpoints migrated onto lib/relations (reads get-children/
;; get-parents + writes attach-child/detach-child — see lib/host/relations.sx).
;; The TYPED relations actions (relate/unrelate/can-relate) stay proxied: they
;; carry registry + cardinality validation lib/relations does not implement. The
;; internal-only likes data+action endpoints stay proxied too — likes has no SX
;; subsystem to dispatch to.
(define host/ledger
(list
(host/ledger-entry "host" "GET" "/health" nil "native" "host/health-route")
(host/ledger-entry "blog" "GET" "/:slug" "blog:post_detail" "migrated" "host/blog-post")
(host/ledger-entry "feed" "GET" "/feed" "feed:timeline" "migrated" "host/feed-timeline")
(host/ledger-entry "feed" "POST" "/feed" "feed:create" "migrated" "host/feed-create")
(host/ledger-entry "relations" "GET" "/internal/data/get-children" "relations:get_children" "migrated" "host/relations-children")
(host/ledger-entry "relations" "GET" "/internal/data/get-parents" "relations:get_parents" "migrated" "host/relations-parents")
(host/ledger-entry "relations" "POST" "/internal/actions/attach-child" "relations:attach_child" "migrated" "host/relations-attach")
(host/ledger-entry "relations" "POST" "/internal/actions/detach-child" "relations:detach_child" "migrated" "host/relations-detach")
(host/ledger-entry "relations" "POST" "/internal/actions/relate" "relations:relate" "proxied" nil)
(host/ledger-entry "relations" "POST" "/internal/actions/unrelate" "relations:unrelate" "proxied" nil)
(host/ledger-entry "relations" "POST" "/internal/actions/can-relate" "relations:can_relate" "proxied" nil)
(host/ledger-entry "likes" "GET" "/internal/data/is-liked" "likes:is_liked" "proxied" nil)
(host/ledger-entry "likes" "GET" "/internal/data/liked-slugs" "likes:liked_slugs" "proxied" nil)
(host/ledger-entry "likes" "GET" "/internal/data/liked-ids" "likes:liked_ids" "proxied" nil)
(host/ledger-entry "likes" "POST" "/internal/actions/toggle" "likes:toggle" "proxied" nil)))
;; ── status / domain queries ─────────────────────────────────────────
(define host/ledger-by-status
(fn (ledger status) (filter (fn (e) (= (get e :status) status)) ledger)))
(define host/ledger-migrated (fn (ledger) (host/ledger-by-status ledger "migrated")))
(define host/ledger-proxied (fn (ledger) (host/ledger-by-status ledger "proxied")))
(define host/ledger-native (fn (ledger) (host/ledger-by-status ledger "native")))
(define host/ledger-by-domain
(fn (ledger domain) (filter (fn (e) (= (get e :domain) domain)) ledger)))
;; An endpoint is OFF Quart (served by the host) iff native or migrated.
(define host/ledger-served?
(fn (e) (or (= (get e :status) "native") (= (get e :status) "migrated"))))
;; First entry matching (method, path), or nil.
(define host/ledger-find
(fn (ledger method path)
(let ((hits (filter
(fn (e) (and (= (get e :method) method) (= (get e :path) path)))
ledger)))
(if (> (len hits) 0) (first hits) nil))))
;; Distinct domains in the catalogue (order: first-seen, reversed by cons).
(define host/ledger-domains
(fn (ledger)
(reduce
(fn (acc e)
(let ((d (get e :domain)))
(if (some (fn (x) (= x d)) acc) acc (cons d acc))))
(list)
ledger)))
;; ── coverage ────────────────────────────────────────────────────────
;; served = off Quart (migrated + native); percent = served / total, floored.
(define host/ledger-coverage
(fn (ledger)
(let ((total (len ledger))
(migrated (len (host/ledger-migrated ledger)))
(proxied (len (host/ledger-proxied ledger)))
(native (len (host/ledger-native ledger))))
{:total total
:migrated migrated
:proxied proxied
:native native
:served (+ migrated native)
:percent (if (= total 0) 0 (quotient (* 100 (+ migrated native)) total))})))