[emacs] Install a RSS client (elfeed).

diff --git a/conf/home/emacs.scm b/conf/home/emacs.scm
index f857ba4eda15d7cc77d2fa77eb7f5d7e53fef5d6..0cad0c9d1878d53c96ec3d99a1f09d3d1af54c06 100644 (file)
--- a/conf/home/emacs.scm
+++ b/conf/home/emacs.scm
@@ -8,6 +8,7 @@
   #:use-module (gnu home services)
   #:use-module (gnu home services shepherd)
   #:use-module (gnu packages aspell)
+  #:use-module (gnu packages curl)
   #:use-module (gnu packages emacs)
   #:use-module (gnu packages emacs-xyz)
   #:use-module (gnu packages freedesktop)
@@ -163,6 +164,15 @@
             (list "bash/.config/profile.d/50-gpg.sh"
                   "bash/.config/profile.d/50-pass.sh"
                   "emacs/.config/emacs/conf/conf-crypt.el")))))
+
+(define emacs-rss-service
+  (service home-program-service-type
+          (home-program-configuration
+           (packages
+            (list curl emacs-elfeed))
+           (dotfiles
+            (list "emacs/.config/emacs/conf/conf-rss.el")))))
+
 (define emacs-service
   (service home-program-service-type
           (home-program-configuration
@@ -192,4 +202,5 @@
         emacs-org-service
         emacs-package-service
         emacs-pass-service
+        emacs-rss-service
         emacs-service))

diff --git a/emacs/.config/emacs/conf/conf-rss.el b/emacs/.config/emacs/conf/conf-rss.el
new file mode 100644 (file)
index 0000000..e6550d8
--- /dev/null
+++ b/emacs/.config/emacs/conf/conf-rss.el
@@ -0,0 +1,66 @@
+;; Copyright (c) 2022 Jakub Czajka <jakub@ekhem.eu.org>
+;; License: GPL-3.0 or later.
+;;
+;; conf-rss.el - configuration for the RSS reader.
+
+(require 'conf-package)
+(require 'conf-variables)
+
+(defcustom conf:elfeed-db-directory
+  (expand-file-name "~/Elfeed")
+  "Directory with the `elfeed' database."
+  :type 'directory
+  :group 'conf:configuration)
+
+(defcustom conf:elfeed-opml-file
+  (expand-file-name "~/rss_feed.opml")
+  "OPML file with RSS feeds to follow."
+  :type 'file
+  :group 'conf:configuration)
+
+(use-package elfeed
+  :requires
+  (conf-keys)
+  :when
+  (conf:executables-p (list "curl"))
+  :ensure t
+  :bind
+  ("C-c f" . elfeed)
+  (:map elfeed-search-mode-map
+       ("?" . conf:elfeed-transient)
+       ([remap elfeed-search-fetch] . conf:elfeed-load-opml-and-fetch))
+  :custom
+  (elfeed-db-directory conf:elfeed-db-directory)
+  (elfeed-search-filter "@1-week-ago +unread ![$]")
+  :config
+  (transient-define-prefix conf:elfeed-transient ()
+    "Transient keymap with usefeul commands for `elfeed'."
+    [["Update"
+      ("g" "refresh" elfeed-search-update--force)
+      ("G" "fetch"   elfeed-search-fetch)]
+     ["Search"
+      ("RET" "show" elfeed-search-show-entry)
+      ("c" "clear"  elfeed-search-clear-filter)
+      ("b" "url"    elfeed-search-browse-url)
+      ("s" "search" elfeed-search-live-filter)
+      ("S" "filter" elfeed-search-set-filter)]
+     ["Navigation"
+      ("<" "first entry" elfeed-search-first-entry)
+      (">" "last entry"  elfeed-search-last-entry)]
+     ["Tags"
+      ("r" "read"      elfeed-search-untag-all-unread)
+      ("u" "unread"    elfeed-search-tag-all-unread)
+      ("+" "tag all"   elfeed-search-tag-all)
+      ("-" "untag all" elfeed-search-untag-all)]
+     ["Others"
+      ("h" "help" describe-mode)
+      ("q" "quit" elfeed-search-quit-window)]])
+
+  (defun conf:elfeed-load-opml-and-fetch ()
+    "Insert `conf:elfeed-opml-file' file to `elfeed-feeds' and update feed."
+    (interactive)
+    (when (file-exists-p conf:elfeed-opml-file)
+      (elfeed-load-opml conf:elfeed-opml-file))
+    (call-interactively #'elfeed-search-fetch)))
+
+(provide 'conf-rss)