Files
mono/blog/sx/handlers/link-card.sx
giles 278ae3e8f6 Make SxExpr a str subclass, sx_call/render functions return SxExpr
SxExpr is now a str subclass so it works everywhere a plain string
does (join, isinstance, f-strings) while serialize() still emits it
unquoted. sx_call() and all internal render functions (_render_to_sx,
async_eval_to_sx, etc.) return SxExpr, eliminating the "forgot to
wrap" bug class that caused the sx_content leak and list serialization
bugs.

- Phase 0: SxExpr(str) with .source property, __add__/__radd__
- Phase 1: sx_call returns SxExpr (drop-in, all 200+ sites unchanged)
- Phase 2: async_eval_to_sx, async_eval_slot_to_sx, _render_to_sx,
  mobile_menu_sx return SxExpr; remove isinstance(str) workaround
- Phase 3: Remove ~150 redundant SxExpr() wrappings across 45 files
- Phase 4: serialize() docstring, handler return docs, ;; returns: sx

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-04 21:47:00 +00:00

33 lines
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;; Blog link-card fragment handler
;; returns: sx
;;
;; Renders link-card(s) for blog posts by slug.
;; Supports single mode (?slug=x) and batch mode (?keys=x,y,z).
(defhandler link-card (&key slug keys)
(if keys
(let ((slugs (split keys ",")))
(<> (map (fn (s)
(let ((post (query "blog" "post-by-slug" :slug (trim s))))
(when post
(<> (str "<!-- fragment:" (trim s) " -->")
(~link-card
:link (app-url "blog" (str "/" (get post "slug") "/"))
:title (get post "title")
:image (get post "feature_image")
:icon "fas fa-file-alt"
:subtitle (or (get post "custom_excerpt") (get post "excerpt"))
:detail (get post "published_at_display")
:data-app "blog"))))) slugs)))
(when slug
(let ((post (query "blog" "post-by-slug" :slug slug)))
(when post
(~link-card
:link (app-url "blog" (str "/" (get post "slug") "/"))
:title (get post "title")
:image (get post "feature_image")
:icon "fas fa-file-alt"
:subtitle (or (get post "custom_excerpt") (get post "excerpt"))
:detail (get post "published_at_display")
:data-app "blog"))))))