Add article view
* avandu.el: Add Tiny Tiny RSS url to Commentary. (avandu-article-title): (avandu-article-author): New faces. (avandu-html2text-command): New user option. (avandu-article-button-map): Wrap a lambda around the call to `avandu-mark-article-read'. (avu-prop): New macro. (avandu--get-session-id): (avandu--get-status-id): (avandu--send-command): (avandu-logged-in-p): (avandu-new-articles-count): (avandu-tt-rss-api-level): (avandu-tt-rss-version): (avandu-overview): Use `avu-prop'. (avandu--insert-article-title): Show the article screen when activating an article button instead of showing its URL. (avandu-categories): (avandu-feeds): (avandu-headlines): No more need to call `cdr' and `assq' on the result of `avandu--send-command'. (avandu-get-article): New function. (avandu-mark-article-read): Just send a command to the server, don't do anything with the UI. (avandu-ui-mark-article-read): New function. Split off from `avandu-mark-article-read'. (avandu-article-mode): New major mode. (avandu-view-article): New function.
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156
avandu.el
156
avandu.el
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@ -23,8 +23,9 @@
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;;; Commentary:
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;; Avandu is an emacs mode that connects to a Tiny Tiny RSS instance
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;; and allows you to read the feeds it has gathered locally.
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;; Avandu is an emacs mode that connects to a Tiny Tiny RSS
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;; (http://tt-rss.org) instance and allows you to read the feeds it
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;; has gathered.
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;; The simplest way to install it is to use package.el:
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@ -105,6 +106,21 @@
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"Face for unread article titles in avandu overview."
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:group 'avandu)
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(defface avandu-article-title
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'((((class color)
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(background dark))
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(:foreground "orange3" :weight bold :family "sans"))
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(((class color)
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(background light))
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(:foreground "red4" :weight bold :family "sans")))
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"Face for titles in avandu article view."
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:group 'avandu)
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(defface avandu-article-author
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'((t (:inherit shadow :slant italic :height 0.9)))
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"Face for the author's name in avandu article view."
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:group 'avandu)
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;; User options
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(defcustom avandu-tt-rss-api-url nil
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"URL of your Tiny Tiny RSS instance. For example:
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@ -117,6 +133,11 @@
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:group 'avandu
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:type 'string)
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(defcustom avandu-html2text-command nil
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"Shell command to call to change HTML to plain text."
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:group 'avandu
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:type 'string)
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;; Variables
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(defvar avandu--session-id nil
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"*internal* Session id for avandu.")
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@ -125,7 +146,12 @@
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(let ((map (make-sparse-keymap)))
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(set-keymap-parent map button-map)
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(define-key map "o" 'avandu-browse-article)
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(define-key map "r" 'avandu-mark-article-read)
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(define-key map "r" #'(lambda ()
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(interactive)
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(let ((button (button-at (point))))
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(avandu-mark-article-read
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(button-get button 'article-id))
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(avandu-ui-mark-article-read button))))
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map)
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"Keymap for articles in `avandu-overview-mode'.")
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@ -182,6 +208,10 @@
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`(or ,var (setq ,var (,(if passwdp 'read-passwd 'read-string)
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,prompt))))
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(defmacro avu-prop (element property)
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"Get PROPERTY from ELEMENT."
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`(cdr (assq (quote ,property) ,element)))
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;; Internal
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(defun avandu--check-login ()
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"Check to see if we're (still) logged in, try to login
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@ -249,11 +279,11 @@ with `auth-source-search' and then by asking the user."
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(defun avandu--get-session-id (results)
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"Get the session id from RESULTS."
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(cdr (assq 'session_id (assq 'content results))))
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(avu-prop (assq 'content results) session_id))
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(defun avandu--get-status-id (results)
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"Get the status id from RESULTS."
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(cdr (assq 'status results)))
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(avu-prop results status))
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(defun avandu--insert-article-excerpt (excerpt)
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"Insert the excerpt of an article."
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@ -280,7 +310,8 @@ the article-id and link properties, respectively."
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'link link
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'keymap avandu-article-button-map
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'action #'(lambda (button)
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(message "%s" (button-get button 'link))))
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(avandu-view-article (button-get button 'article-id))))
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(fill-region pos (point))
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(insert-char ?\n 1)))
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@ -337,15 +368,14 @@ returned json."
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(search-forward "\n\n")
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(setq result (json-read)))
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(kill-buffer buffer)
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result))
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(avu-prop result content)))
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(defun avandu-categories (&optional unread)
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"Get the created categories. If UNREAD is non-nil only get
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categories with feeds with unread articles in them."
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(cdr (assq 'content
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(avandu--send-command
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`((op . "getCategories")
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,@(when unread `((unread_only . ,unread))))))))
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,@(when unread `((unread_only . ,unread))))))
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(defun avandu-feeds (&optional category unread limit offset)
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"Get the subscribed feeds. If CATEGORY has been specified show
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@ -359,13 +389,12 @@ There are a number of special category IDs:
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-2 -- Labels
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-3 -- All feeds, excluding virtual feeds (e.g. Labels and such)
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-4 -- All feeds, including virtual feeds"
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(cdr (assq 'content
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(avandu--send-command
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`((op . "getFeeds")
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,@(when category `((cat_id . ,category)))
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,@(when unread `((unread_only . ,unread)))
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,@(when limit `((limit . ,limit)))
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,@(when offset `((offset . ,offset))))))))
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,@(when offset `((offset . ,offset))))))
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(defun avandu-headlines (feed-id &rest plist)
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"Get a list of headlines from Tiny Tiny RSS from the feed
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@ -411,7 +440,6 @@ There are some special feed IDs:
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(view-mode (plist-get plist :view-mode))
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(include-attachments (plist-get plist :include-attachments))
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(since-id (plist-get plist :since-id)))
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(cdr (assq 'content
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(avandu--send-command
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`((op . "getHeadlines")
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(feed_id . ,feed-id)
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@ -421,8 +449,9 @@ There are some special feed IDs:
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,@(when show-excerpt `((show_excerpt . ,show-excerpt)))
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,@(when show-content `((show_content . ,show-content)))
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,@(when view-mode `((view_mode . ,view-mode)))
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,@(when include-attachments `((include_attachments . ,include-attachments)))
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,@(when since-id `((since_id . ,since-id)))))))))
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,@(when include-attachments `((include_attachments
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. ,include-attachments)))
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,@(when since-id `((since_id . ,since-id)))))))
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(defun avandu-update-article (article-ids mode field &optional data)
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"Update the status of FIELD to MODE for the articles identified
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@ -449,6 +478,13 @@ When updating FIELD 3 DATA functions as the note's contents."
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(field . ,field)
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,@(when data `((data . ,data))))))
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(defun avandu-get-article (article-ids)
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"Get one or more articles from Tiny Tiny RSS with ARTICLE-IDS,
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if you're using version 1.5.0 or higher this can also be a
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comma-separated list of ids."
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(avandu--send-command `((op . "getArticle")
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(article_id . ,article-ids))))
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;; Commands
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(defun avandu-browse-article ()
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"Browse the current button's article url."
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@ -456,7 +492,8 @@ When updating FIELD 3 DATA functions as the note's contents."
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(let ((button (button-at (point)))
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(message-truncate-lines t))
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(browse-url (button-get button 'link))
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(avandu-mark-article-read button)
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(avandu-mark-article-read (button-get button 'article-id))
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(avandu-ui-mark-article-read button)
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(message "Opened: %s" (button-label button))))
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(defun avandu-feed-catchup ()
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@ -475,7 +512,7 @@ When updating FIELD 3 DATA functions as the note's contents."
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"Send a request to tt-rss to see if we're (still) logged
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in. This function returns t if we are, or nil if we're not."
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(let* ((response (avandu--send-command '((op . "isLoggedIn"))))
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(result (cdr (assq 'status (assq 'content response)))))
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(result (avu-prop response status)))
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(if (eq result :json-false)
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nil
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result)))
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@ -505,7 +542,7 @@ otherwise."
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(avandu--send-command '((op . "logout")))
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(avandu--clear-data))
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(defun avandu-mark-article-read (&optional button)
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(defun avandu-mark-article-read (id)
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"Send a request to tt-rss to mark an article as read.
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BUTTON, if given, should be a button widget, as created by
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@ -513,13 +550,18 @@ BUTTON, if given, should be a button widget, as created by
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nil, it will be assumed that `point' is currently within the
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bounds of a button."
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(interactive)
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(let* ((button (or button (button-at (point))))
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(id (button-get button 'article-id))
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(message-truncate-lines t))
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(avandu-update-article id 0 2)
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(let* ((message-truncate-lines t))
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(avandu-update-article id 0 2)))
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(defun avandu-ui-mark-article-read (&optional button)
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"Try to change the state of BUTTON to a read article button, if
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BUTTON is nil, try to use a button at `point'."
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(let ((button (or button (button-at (point)))))
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(if button
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(progn
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(button-put button 'face 'avandu-overview-read-article)
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(message "Marked article as read: %s" (button-label button)))
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(avandu-next-article))
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(error "No button found."))))
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(defun avandu-new-articles-count ()
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"Send a request to tt-rss for the total number of unread
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@ -527,7 +569,7 @@ feeds."
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(interactive)
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(avandu--check-login)
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(let* ((result (avandu--send-command '((op . "getUnread"))))
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(count (cdr (assq 'unread (assq 'content result)))))
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(count (avu-prop result unread)))
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(when (called-interactively-p 'any)
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(message "There are %s unread articles" count))
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@ -557,10 +599,8 @@ feeds."
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(defun avandu-tt-rss-api-level ()
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"Get the API level of your Tiny Tiny RSS instance."
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(interactive)
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(let ((level (cdr (assq 'level
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(assq 'content
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(avandu--send-command
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'((op . "getApiLevel"))))))))
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(let ((level (avu-prop (avandu--send-command '((op . "getApiLevel")))
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level)))
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(when (called-interactively-p 'any)
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(message "API Level: %d" level))
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@ -569,10 +609,8 @@ feeds."
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(defun avandu-tt-rss-version ()
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"Get the version of your Tiny Tiny RSS instance."
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(interactive)
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(let ((version (cdr (assq 'version
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(assq 'content
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(avandu--send-command
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'((op . "getVersion"))))))))
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(let ((version (avu-prop (avandu--send-command '((op . "getVersion")))
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version)))
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(when (called-interactively-p 'any)
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(message "Tiny Tiny RSS Version: %s" version))
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@ -595,6 +633,15 @@ doesn't sort the list, so you'll have to set that up in tt-rss.
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avandu-overview-mode-name
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(avandu-new-articles-count))))
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(define-derived-mode avandu-article-mode special-mode
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"Avandu:Article"
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"Major mode for the avandu article screen.
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This screen shows the contents of an article.
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\\{avandu-overview-map}
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\\<avandu-overview-map>")
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;;;###autoload
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(defun avandu-overview ()
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"Request the headlines of unread articles and list them grouped
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@ -610,22 +657,51 @@ by feed."
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(goto-char (point-min))
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(mapc #'(lambda (elt)
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(unless (equal feed-id (assq 'feed_id elt))
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(avandu--insert-feed-title
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(cdr (assq 'feed_id elt))
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(cdr (assq 'feed_title elt))))
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(avandu--insert-feed-title (avu-prop elt feed_id)
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(avu-prop elt feed_title)))
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(setq feed-id (assq 'feed_id elt))
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(avandu--insert-article-title
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(cdr (assq 'id elt))
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(cdr (assq 'link elt))
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(cdr (assq 'title elt)))
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(avandu--insert-article-excerpt
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(cdr (assq 'excerpt elt))))
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(avandu--insert-article-title (avu-prop elt id)
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(avu-prop elt link)
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(avu-prop elt title))
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(avandu--insert-article-excerpt (avu-prop elt excerpt)))
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result)
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(setq buffer-read-only t)
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(goto-char (point-min))
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(avandu-overview-mode))
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(switch-to-buffer buffer)))
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(defun avandu-view-article (id)
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"Show a single article in a new buffer."
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(interactive "nArticle id: ")
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(let* ((data (avandu-get-article id))
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(buffer (get-buffer-create "*avandu-article*"))
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(inhibit-read-only t))
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(with-current-buffer buffer
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(erase-buffer)
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(mapc #'(lambda (item)
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(insert
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(propertize (avu-prop item title)
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'face 'avandu-article-title))
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(newline)
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(insert
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(propertize (concat "by: " (avu-prop item author))
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'face 'avandu-article-author))
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(newline)(newline)
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(let ((pos (point)))
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(insert (avu-prop item content))
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(when avandu-html2text-command
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(shell-command-on-region
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pos (point) avandu-html2text-command buffer t)))
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(newline)(newline))
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data)
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(setq buffer-read-only t)
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(goto-char (point-min))
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(avandu-article-mode))
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(avandu-mark-article-read id)
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(avandu-ui-mark-article-read)
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(switch-to-buffer buffer)))
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(provide 'avandu)
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;;; avandu.el ends here
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