Wave changes

lisp/build.el

@@ -153,6 +153,20 @@
 <script src=\"/assets/scripts/svg-pan-zoom.min.js\" defer></script>
 <script src=\"/assets/scripts/gallery-init.js\" defer></script>
 <script src=\"/assets/scripts/cookbook.js\" defer></script>
+
+<script src=\"/assets/scripts/mermaid.min.js\"></script>
+<script>
+  window.addEventListener('load', function() {
+    mermaid.initialize({ startOnLoad: false, theme: 'neutral' });
+    document.querySelectorAll('.mermaid').forEach(el => {
+      el.innerHTML = el.innerHTML
+        .replace(/&gt;/g, '>')
+        .replace(/&lt;/g, '<')
+        .replace(/&amp;/g, '&');
+    });
+    mermaid.run({ querySelector: '.mermaid' });
+  });
+</script>
 "
       )
 
@@ -160,9 +174,6 @@
   "
 <div class=\"banner-header\">
   <div class=\"banner-left\">
-    <a href=\"/20241210233721-brain_moc.html\"> <img src=\"/assets/gr.png\" alt=\"Site Logo\" class=\"banner-logo\" /> </a>
-
-    <div id=\"updated\">Updated: %C</div>
   </div>
 
   <div class=\"banner-search\">
@@ -213,6 +224,21 @@ Created with %c on <a href=\"https://www.archlinux.org/\">Arch</a> <a href=\"htt
 ;; Configure LaTeX image generation
 (setq org-latex-create-formula-image-program 'imagemagick)
 
+(defun z/org-html-mermaid-block (code _lang)
+  "Export a mermaid src block as a mermaid div."
+  (format "<div class=\"mermaid\">\n%s\n</div>" code))
+
+;; Hook into ox-html's src block export
+(defun z/org-html-src-block-mermaid (orig-fun src-block contents info)
+  (let ((lang (org-element-property :language src-block)))
+    (if (string= lang "mermaid")
+        (let ((code (org-remove-indentation
+                     (org-element-property :value src-block))))
+          (format "<div class=\"mermaid\">\n%s\n</div>" code))
+      (funcall orig-fun src-block contents info))))
+
+(advice-add 'org-html-src-block :around #'z/org-html-src-block-mermaid)
+
 (defun my/get-org-roam-backlinks (filename)
   "Return backlinks for the given org-roam file. FILENAME should be the full path to the org-roam file."
   (save-excursion
@@ -291,6 +317,48 @@ Created with %c on <a href=\"https://www.archlinux.org/\">Arch</a> <a href=\"htt
               (insert "\n")))))
       (message "✅ all-files.org generated"))))
 
+;; -------------------------------------------------------
+;; MOV → MP4 conversion
+;; Converts all .mov files found anywhere under assets/ to
+;; .mp4 siblings IN THE SOURCE directory before publishing.
+;; org-publish then copies both the .mov and the .mp4.
+;; Skips conversion if an up-to-date .mp4 already exists.
+;; -------------------------------------------------------
+
+(defun z/convert-mov-to-mp4 (assets-dir)
+  "Recursively convert every .mov under ASSETS-DIR to an .mp4 sibling.
+Skips files where the .mp4 already exists and is newer than the .mov."
+  (message "🎬 Scanning %s for .mov files…" assets-dir)
+  (let ((mov-files
+         (directory-files-recursively assets-dir "\\.mov$" nil)))
+    (if (null mov-files)
+        (message "   (no .mov files found)")
+      (dolist (mov mov-files)
+        (let* ((mp4 (concat (file-name-sans-extension mov) ".mp4"))
+               (mov-mtime (float-time (nth 5 (file-attributes mov))))
+               (mp4-mtime (if (file-exists-p mp4)
+                              (float-time (nth 5 (file-attributes mp4)))
+                            -1)))
+          (if (> mp4-mtime mov-mtime)
+              (message "   [skip]    %s  (mp4 is up to date)" (file-name-nondirectory mov))
+            (message "   [convert] %s → %s"
+                     (file-relative-name mov assets-dir)
+                     (file-name-nondirectory mp4))
+            (let ((exit-code
+                   (call-process "ffmpeg" nil nil nil
+                                 "-i"  mov
+                                 "-c:v" "libx264"
+                                 "-preset" "fast"
+                                 "-crf" "23"
+                                 "-c:a" "aac"
+                                 "-b:a" "128k"
+                                 "-movflags" "+faststart"
+                                 "-y" mp4)))
+              (if (= exit-code 0)
+                  (message "   [done]    %s" (file-name-nondirectory mp4))
+                (message "   [ERROR]   ffmpeg exited %d for %s"
+                         exit-code (file-name-nondirectory mov))))))))))
+
 (setq org-publish-project-alist
       `(
         ("org-roam"
@@ -311,7 +379,7 @@ Created with %c on <a href=\"https://www.archlinux.org/\">Arch</a> <a href=\"htt
 
         ("org-static"
          :base-directory "/home/zaine/master-folder/org_files/org_roam/assets/"
-         :base-extension "css\\|js\\|png\\|jpg\\|gif\\|svg\\|mp4\\|mp3"
+         :base-extension "css\\|js\\|png\\|jpg\\|gif\\|svg\\|mp4\\|mp3\\|mov"
          :publishing-directory "/home/zaine/master-folder/org_files/org_roam/output/assets/"
          :recursive t
          :publishing-function org-publish-attachment)))
@@ -341,9 +409,12 @@ Created with %c on <a href=\"https://www.archlinux.org/\">Arch</a> <a href=\"htt
     (message "Starting full rebuild at %s"
              (format-time-string "%Y-%m-%d %H:%M:%S" start-time))
 
-    ;; IMPORTANT: refresh roam DB after syncthing updates
     (org-id-update-id-locations)
-					;(z/refresh-org-roam)
+
+    ;; Convert any .mov files before publishing so org-publish
+    ;; picks up the .mp4 siblings automatically.
+    (z/convert-mov-to-mp4
+     "/home/zaine/master-folder/org_files/org_roam/assets/")
 
     (setq z/build-full-rebuild t)
     (z/generate-all-files-org)
@@ -356,6 +427,11 @@ Created with %c on <a href=\"https://www.archlinux.org/\">Arch</a> <a href=\"htt
 (defun z/build-fast ()
   "Fast rebuild: Org + assets only (no JSON)."
   (interactive)
+
+  ;; Convert MOVs in fast builds too — cheap (skips up-to-date files).
+  (z/convert-mov-to-mp4
+   "/home/zaine/master-folder/org_files/org_roam/assets/")
+
   (setq z/build-full-rebuild nil)
   (org-publish "org-roam" t)
   (org-publish "org-static" t)