From 202a7ca2b2f33ee95b0ecf2bd6d01859f6930580 Mon Sep 17 00:00:00 2001
From: Arun Isaac
Date: Mon, 2 Sep 2019 01:27:32 +0530
Subject: Publish posts and their translations together.

* ennu.el (ennu-publish-post): Publish posts and their translations
together in a single operation.
(ennu-publish): Invoke ennu-publish-post with all posts of a single
translation group.
---
 ennu.el | 26 ++++++++++++++++++--------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/ennu.el b/ennu.el
index 5a72979..ccbe8ae 100644
--- a/ennu.el
+++ b/ennu.el
@@ -87,7 +87,7 @@ last form in BODY."
 (defun ennu--org-output-filename (filename)
   (concat (file-name-sans-extension filename) ".html"))
 
-(defun ennu-publish-post (post)
+(defun ennu-publish-post (posts)
   ;; TODO: Tangle post
        ;; (when-let (tangle-dir (or (plist-get posts-plist :valai-tangle-directory)
        ;;                           valai-tangle-directory))
@@ -100,12 +100,20 @@ last form in BODY."
        ;;                  (expand-file-name (file-name-nondirectory tangled-file)
        ;;                                    tangle-dir)
        ;;                  t)))
-  (ennu-make-operation
-   :inputs (list (ennu-post-filename post))
-   :outputs (list (ennu--org-output-filename (ennu-post-filename post)))
-   :publish (lambda (output-file)
-              (ennu-with-file-contents (ennu-post-filename post)
-                (org-export-to-file 'ennu-html output-file)))))
+  (let ((input-post-files (seq-map 'ennu-post-filename posts)))
+    (ennu-make-operation
+     :inputs input-post-files
+     :outputs (seq-map 'ennu--org-output-filename input-post-files)
+     :publish
+     (lambda (&rest output-files)
+       (seq-mapn
+        (lambda (post output-file)
+          (ennu-with-file-contents (ennu-post-filename post)
+            (org-export-to-file
+                'ennu-html output-file nil nil nil nil
+                (list :translations (seq-remove (apply-partially 'equal post) posts)))))
+        posts
+        output-files)))))
 
 (defun ennu-publish-page (pages-directory page)
   (ennu-make-operation
@@ -409,7 +417,9 @@ as keys. Keys are compared using `equal'."
           (let ((posts (ennu-posts (ennu-setting :posts-directory))))
             (append
              ;; Publish posts
-             (seq-map 'ennu-publish-post posts)
+             (seq-map (pcase-lambda (`(,translation-group . ,posts))
+                        (ennu-publish-post posts))
+                      (seq-group-by 'ennu-post-translation-group posts))
              ;; Publish feed
              (list (ennu-publish-feed (ennu-setting :atom-feed-file)
                                       blog-title
-- 
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