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Initial commit of Emacs package to export the Elfeed database to JSON

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Bram Schoenmakers 2024-08-01 21:55:06 +02:00
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GPG key ID: 0CCD19DFDC63258F
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MIT License
Copyright (c) 2023 - 2024 Bram Schoenmakers
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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;;; elfeed-export.el --- Elfeed database export -*- lexical-binding: t; -*-
;; Copyright (C) 2024 Bram Schoenmakers
;; Author: Bram Schoenmakers <me@bramschoenmakers.nl>
;; Maintainer: Bram Schoenmakers <me@bramschoenmakers.nl>
;; Created: 1 August 2024
;; Package-Version: 0.1
;; Package-Requires: ((emacs "29.1"))
;; Keywords:
;; URL:
;; This file is not part of GNU Emacs.
;; MIT License
;; Copyright (c) 2024 Bram Schoenmakers
;; Permission is hereby granted, free of charge, to any person obtaining a copy
;; of this software and associated documentation files (the "Software"), to deal
;; in the Software without restriction, including without limitation the rights
;; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
;; copies of the Software, and to permit persons to whom the Software is
;; furnished to do so, subject to the following conditions:
;; The above copyright notice and this permission notice shall be included in all
;; copies or substantial portions of the Software.
;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
;; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
;; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
;; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
;; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
;; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
;; SOFTWARE.
;;; Commentary:
;;; Code:
(defcustom elfeed-export-include
'(title date url tags feed-title feed content)
"Which fields to export per entry."
:group 'elfeed-export)
(defun elfeed-export-entry-to-alist (entry)
(let ((feed (elfeed-entry-feed entry)))
(remove nil
(list
(when (memq 'title elfeed-export-include)
(cons "title" (elfeed-entry-title entry)))
(when (memq 'date elfeed-export-include)
(cons "date" (format-time-string "%F %T" (elfeed-entry-date entry))))
(when (memq 'url elfeed-export-include)
(cons "url" (elfeed-entry-link entry)))
(when (memq 'tags elfeed-export-include)
(cons "tags" (elfeed-entry-tags entry)))
(when (memq 'feed-title elfeed-export-include)
(cons "feed-title" (elfeed-feed-title feed)))
(when (memq 'feed elfeed-export-include)
(cons "feed" (elfeed-feed-url feed)))
(when (memq 'content elfeed-export-include)
(cons "content" (elfeed-deref (elfeed-entry-content entry))))))))
(defun elfeed-export-to-json ()
(let ((entries)
(feeds (elfeed-feed-list)))
(dolist (feed (seq-take feeds 1))
(setq entries
(append entries
(elfeed-feed-entries feed))))
(json-encode
(mapcar #'elfeed-export-entry-to-alist entries))))
(defun elfeed-export-to-file (path)
(interactive "F")
(write-region (elfeed-export-to-json) nil path nil nil nil t))
(provide 'elfeed-export)
;;; elfeed-export.el ends here