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;;; my-ttrss.el -- ttrss utilities -*- lexical-binding: t -*-
;; Copyright (C) 2025 Free Software Foundation, Inc.
;; Author: Yuchen Pei <id@ypei.org>
;; Package-Requires: ((emacs "30.1"))
;; This file is part of dotted.
;; dotted is free software: you can redistribute it and/or modify it under
;; the terms of the GNU Affero General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; dotted 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 Affero General
;; Public License for more details.
;; You should have received a copy of the GNU Affero General Public
;; License along with dotted. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; ttrss utilities.
;;; Code:
(require 'ttrss)
;;; TODO: my-ttrss-save-recent
(defun my-ttrss-hello ()
(let ((sid (ttrss-login ttrss-address ttrss-user ttrss-password)))
(message "Server running version %s and API level %d\n"
(ttrss-get-version ttrss-address sid)
(ttrss-get-api-level ttrss-address sid))
(message "There are %s unread articles in %d feeds"
(ttrss-get-unread ttrss-address sid)
(length (ttrss-get-feeds ttrss-address sid :unread_only t)))))
(defun my-ttrss-fetch-feeds ()
(let ((sid (ttrss-login ttrss-address ttrss-user ttrss-password)))
(ttrss-get-feeds ttrss-address sid :cat_id -3)))
(defun my-ttrss-feed-dir (feed-title feed-id)
(file-name-concat
my-ttrss-dir
(my-make-doc-file-name
(format "%s [ttrss%s]" feed-title feed-id))))
(defun my-ttrss-feed-last-id-file (feed-info)
(let* ((title (plist-get feed-info :title))
(id (plist-get feed-info :id)))
(expand-file-name
(file-name-concat (my-ttrss-feed-dir title id) "last-id"))))
(defun my-ttrss-feed-get-last-id (feed-info)
(let* ((file (my-ttrss-feed-last-id-file feed-info)))
(if (file-exists-p file)
(with-temp-buffer
(insert-file-contents file)
(string-to-number (buffer-string)))
0)))
(defun my-ttrss-feed-write-last-id (feed-info last-id)
(let* ((file (my-ttrss-feed-last-id-file feed-info))
(inhibit-message t))
(with-temp-buffer
(insert (format "%d" last-id))
(write-file file))))
(defun my-ttrss-fetch ()
"Fetch and save latest articles from all feeds."
(interactive)
(let* ((sid (ttrss-login ttrss-address ttrss-user ttrss-password))
(feeds (ttrss-get-feeds ttrss-address sid :cat_id -3))
(n (length feeds)))
(seq-do-indexed
(lambda (feed i)
(my-ttrss-fetch-feed-articles
sid feed
(format "[my-ttrss] (%d/%d) Fetching articles from %s..."
(1+ i) n (plist-get feed :title))))
feeds)))
(defun my-ttrss-fetch-feed-articles (sid feed &optional message-head)
(unless message-head
(setq message-head
(format "[my-ttrss] Fetching articles from %s..."
(plist-get feed :title))))
(message "%s" message-head)
(let ((articles
(ttrss-get-headlines
ttrss-address sid
:feed_id (plist-get feed :id) :show_content t :include_attachments t
:since_id (my-ttrss-feed-last-id feed))))
(seq-do 'my-ttrss-save-article articles)
(unless (seq-empty-p articles)
(my-ttrss-feed-write-last-id feed (plist-get (elt articles 0) :id)))
(message
"%s Done - total %d articles"
message-head (length articles))))
(defun my-ttrss-fetch-latest-articles (n &optional since-id)
"Fetch N latest articles."
(let ((sid (ttrss-login ttrss-address ttrss-user ttrss-password)))
(unless since-id (setq since-id 0))
(if (ttrss-logged-in-p ttrss-address sid)
(ttrss-get-headlines
ttrss-address sid
:feed_id -4 :limit n :show_content t :include_attachments t
:since_id since-id)
(message "Login failed"))))
(defun my-ttrss-save-article (info)
(with-temp-buffer
(insert "<!--\n Page saved with my-ttrss on "
(current-time-string) "\n"
(json-serialize (org-plist-delete info :content))
"\n-->\n")
(insert "<h2>" "<a href=\"" (plist-get info :link) "\">"
(plist-get info :title) "</a>" "</h2>")
(insert "<p>" "<a href=\"" (plist-get info :site_url) "\">"
(plist-get info :feed_title) "</a>")
(when-let ((author (plist-get info :author)))
(unless (or (string-empty-p author)
(equal author (plist-get info :feed_title)))
(insert " (" author ")")))
(insert " "
(format-time-string
"%Y-%m-%d %a %H:%M:%S"
(encode-time (decode-time (plist-get info :updated)))))
(insert "</p>")
(let ((tags (plist-get info :tags)))
(unless (seq-empty-p tags)
(insert "<p>tags: " (string-join tags ";") "</p>")))
(insert (plist-get info :content))
(let ((attached (plist-get info :attachments)))
(unless (seq-empty-p attached)
(insert "<p>Article attachments:</p>\n<ul>")
(seq-do (lambda (at)
(let ((title (plist-get at :title))
(url (plist-get at :content_url)))
(insert "\n<li><a href=" url ">"
(if (string-empty-p title) url title)
"</a></li>")))
attached)
(insert "\n</ul>")))
(let* ((change-major-mode-with-file-name nil)
(coding-system-for-write 'utf-8)
(inhibit-message t)
(file-name (my-ttrss-format-file-name info))
(dir (file-name-directory file-name)))
(unless (file-exists-p dir) (make-directory dir t))
(write-file file-name))))
(defvar my-ttrss-dir "~/Downloads")
(defun my-ttrss-format-file-name (info)
"Format: $author - $title ($year) [ttrss$id].html"
(let* ((author (plist-get info :author))
(feed-title (plist-get info :feed_title))
(feed-id (plist-get info :feed_id))
(name
(expand-file-name
(file-name-concat
(my-ttrss-feed-dir feed-title feed-id)
(my-make-doc-file-name
(format "%s - %s (%s) [ttrss%s].html"
(if (string-empty-p author)
feed-title
author)
(plist-get info :title)
(format-time-string
"%Y"
(encode-time (decode-time (plist-get info :updated))))
(plist-get info :id)))))))
(if (length> name 250)
(expand-file-name
(file-name-concat
(my-ttrss-feed-dir feed-title feed-id)
(my-make-doc-file-name
(format "_ - _ (%s) [ttrss%s].html"
(format-time-string
"%Y"
(encode-time (decode-time (plist-get info :updated))))
(plist-get info :id)))))
name)))
(provide 'my-ttrss)
;;; my-ttrss.el ends here
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