elfeed-summary/elfeed-summary.el

117 lines
3.5 KiB
EmacsLisp

;;; elfeed-summary.el --- TODO -*- lexical-binding: t -*-
;; Copyright (C) 2022 Korytov Pavel
;; Author: Korytov Pavel <thexcloud@gmail.com>
;; Maintainer: Korytov Pavel <thexcloud@gmail.com>
;; Version: 0.1.0
;; Package-Requires: ((emacs "27.1") (magit-section "3.3.0") (elfeed "3.4.1"))
;; Homepage: https://github.com/SqrtMinusOne/elfeed-summary.el
;; This file is NOT part of GNU Emacs.
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; TODO
;;; Code:
(require 'elfeed)
(require 'elfeed-db)
(require 'seq)
(cl-defun elfeed-summary--match-tag (query &key tags title url author title-meta)
(cond
;; symbol
((symbolp query) (member query tags))
;; (title . "Title")
;; (title . (rx "Title"))
((eq (car query) 'title)
(or (and title
(string-match-p
(if (stringp (cdr query))
(cdr query)
(eval (cdr query)))
title))
(and title-meta
(string-match-p
(if (stringp (cdr query))
(cdr query)
(eval (cdr query)))
title-meta))))
;; (author . "Author")
;; (author . (rx "Author"))
((eq (car query) 'author)
(and author
(string-match-p
(if (stringp (cdr query))
(cdr query)
(eval (cdr query)))
author)))
;; (url . "URL")
;; (url . (rx "URL"))
((eq (car query) 'url)
(and url
(string-match-p
(if (stringp (cdr query))
(cdr query)
(eval (cdr query)))
url)))
;; (and <query-1> <query-2> ... <query-n>)
((eq (car query) 'and)
(seq-every-p
(lambda (query-elem)
(elfeed-summary--match-tag
query-elem
:tags tags
:title title
:title-meta title-meta
:url url
:author author))
(cdr query)))
;; (or <query-1> <query-2> ... <query-n>)
;; (<query-1> <query-2> ... <query-n>)
(t (seq-some
(lambda (query-elem)
(elfeed-summary--match-tag
query-elem
:tags tags
:title title
:title-meta title-meta
:url url
:author author))
(if (eq (car query) 'or)
(cdr query)
query)))))
(defun elfeed-summary--get-feeds (query)
(cl-loop for feed in elfeed-feeds
for url = (car feed)
for tags = (cdr feed)
for feed = (elfeed-db-get-feed url)
if (elfeed-summary--match-tag
query
:tags tags
:title (elfeed-feed-title feed)
:title-meta (plist-get (elfeed-feed-meta feed) :title)
:url url
:author (plist-get (car (elfeed-feed-author feed)) :name))
collect feed))
(elfeed-summary--get-feeds '(or (title . "Andrea")
(author . "Bozhidar")
(url . (rx "sacha"))))
(provide 'elfeed-summary)
;;; elfeed-summary.el ends here