Implement question-get-from-comment

1 files changed, 20 insertions, 0 deletions

diff --git a/sx-question.el b/sx-question.el
index 1adbc24..35eabc8 100644
--- a/sx-question.el
+++ b/sx-question.el
@@ -72,6 +72,26 @@ If ANSWER-ID doesn't exist on SITE, raise an error."
       (error "Couldn't find answer %S in %S"
              answer-id site))))
 
+(defun sx-question-get-from-comment (site comment-id)
+  "Get question from SITE to which COMMENT-ID belongs.
+If COMMENT-ID doesn't exist on SITE, raise an error.
+
+Note this requires two API requests.  One for the comment and one
+for the post."
+  (let ((res (sx-method-call 'comments
+               :id comment-id
+               :site site
+               :auth t
+               :filter sx-browse-filter)))
+    (unless (vectorp res)
+      (error "Couldn't find comment %S in %S" comment-id site))
+    (sx-assoc-let (elt res 0)
+      (funcall (if (string= .post_type "answer")
+                   #'sx-question-get-from-answer
+                 #'sx-question-get-question)
+        .site_par
+        .post_id))))
+
 
 ;;; Question Properties