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app/rss: add +rss-dead-feeds function

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This commit is contained in:
Henrik Lissner
2017-04-05 15:05:40 -04:00
parent 42da8ccd82
commit dd8aa48887
1 changed files with 15 additions and 0 deletions
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15
modules/app/rss/autoload.el
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@ -63,3 +63,18 @@
(with-current-buffer (elfeed-search-buffer)
(forward-line -1)
(call-interactively '+rss/open)))
;;;###autoload
(defun +rss-dead-feeds (&optional years)
"Return a list of feeds that haven't posted anything in YEARS."
(let* ((years (or years 1.0))
(living-feeds (make-hash-table :test 'equal))
(seconds (* years 365.0 24 60 60))
(threshold (- (float-time) seconds)))
(with-elfeed-db-visit (entry feed)
(let ((date (elfeed-entry-date entry)))
(when (> date threshold)
(setf (gethash (elfeed-feed-url feed) living-feeds) t))))
(cl-loop for url in (elfeed-feed-list)
unless (gethash url living-feeds)
collect url)))