More updates
Signed-off-by: Sergio Durigan Junior <sergiodj@sergiodj.net>
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1 changed files with 161 additions and 36 deletions
197
discoursel.el
197
discoursel.el
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@ -4,6 +4,7 @@
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(require 'json)
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(require 'plz)
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(require 'message)
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(require 'rx)
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(defgroup discoursel nil
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"Discourse TODO")
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@ -13,6 +14,17 @@
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:group 'discoursel
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:type 'string)
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(defcustom discoursel-fetch-all-posts-from-topic t
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"Whether to fetch all posts from a certain topic.
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If t, the default, all posts are fetched (which may take a while
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depending on the topic's length).
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If nil, pagination is enabled and the user needs to ask for more
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posts manually and incrementally."
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:group 'discoursel
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:type 'boolean)
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(defvar discoursel-buffer-list nil
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"List of discoursel buffers.")
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@ -35,15 +47,13 @@
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:group 'discoursel)
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(defun discoursel--parse-pre (tag)
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(insert
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(with-temp-buffer
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(let ((shr-folding-mode 'none))
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(shr-ensure-newline)
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(shr-generic tag)
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(shr-ensure-newline))
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(add-text-properties (point-min) (point-max)
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'(pre-tag t face discoursel-code-face))
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(buffer-string))))
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(let ((p (point))
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(shr-folding-mode 'none))
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(shr-ensure-newline)
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(shr-generic tag)
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(shr-ensure-newline)
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(add-text-properties p (point)
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'(pre-tag t face discoursel-code-face))))
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(defun discoursel--get (endpoint)
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(condition-case plzerror
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@ -80,20 +90,119 @@
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(defun discoursel-update ()
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(interactive)
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(with-current-buffer (discoursel-get-create-buffer)
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(let ((inhibit-read-only t))
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(discoursel--latest-topics))))
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(save-excursion
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(let ((inhibit-read-only t))
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(discoursel--latest-topics)))))
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(defun discoursel--get-name-or-username (post)
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(let ((name (alist-get 'display_username post)))
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(if (and name (not (string-empty-p name)))
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name
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(alist-get 'username post))))
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(defun discoursel--parse-heading (dom)
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"Prepend <hN> tag (DOM) with the equivalent number of sharp (#)
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characters."
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(let* ((idx (1- (length dom)))
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;; This is a bit hacky and assumes that the text will always
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;; be available as the last item in the list.
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(tagname (symbol-name (car dom)))
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(level (string-to-number
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(string-remove-prefix "h" tagname)))
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(sharps (make-string level ?#))
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(face (intern (concat "shr-" tagname)))
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(possible-text (nth idx dom)))
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(when (stringp possible-text)
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(setf (nth idx dom) (concat sharps " " possible-text)))
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(shr-heading dom face)))
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(defun discoursel-topic-next-entry ()
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(interactive)
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(let ((pos (point)))
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(save-excursion
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(setq pos (next-single-char-property-change pos 'post-id))
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(goto-char pos)
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(while (and (not (eobp))
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(not (looking-at-p (rx line-start "Author:"))))
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(setq pos (next-single-char-property-change pos 'post-id))
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(goto-char pos))
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(when (eobp)
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(setq pos nil)))
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(when pos
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(goto-char pos))))
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(defun discoursel-topic-previous-entry ()
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(interactive)
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(let ((pos (point)))
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(setq pos (or (previous-single-property-change pos 'post-id)
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(point-min)))
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(goto-char pos)
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(while (and (not (bobp))
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(not (looking-at-p (rx line-start (or "Author:" "Title:")))))
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(setq pos (or (previous-single-property-change pos 'post-id)
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(point-min)))
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(goto-char pos))))
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(defun discoursel--insert-post (post &optional post-title)
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(let* ((post-slug (alist-get 'topic_slug post))
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(post-id (alist-get 'id post))
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; (topic-title (alist-get 'title r))
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(post-date (alist-get 'created_at post))
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(post-date-string
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(format-time-string "%c"
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(encode-time
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(parse-time-string post-date))))
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(post-author (discoursel--get-name-or-username post))
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(post-html-content (alist-get 'cooked post)))
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;; (userid (alist-get 'user_id r))
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;; (participants (alist-get 'participants (alist-get 'details r)))
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;; (topic-username (alist-get 'username first-post))
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;; (topic-author-alist (seq-find (lambda (p)
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;; (string= (alist-get 'username p) topic-username))
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;; participants))
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;; ; (topic-author (alist-get 'username topic-author-alist))
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;; (topic-flairname (alist-get 'name topic-author-alist))
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;; (topic-author (concat topic-flairname " ("(alist-get 'username first-post) ")"))
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(save-excursion
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(insert
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(with-temp-buffer
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(when post-title
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(insert (format (propertize "Title: %s\n" 'face 'message-header-name)
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(propertize post-title 'face 'message-header-subject))))
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(insert (format (propertize "Author: %s\n" 'face 'message-header-name)
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(propertize post-author 'face 'message-header-to)))
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(insert (format (propertize "Date: %s\n" 'face 'message-header-name)
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(propertize post-date-string 'face 'message-header-other)))
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(insert "\n")
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(save-excursion
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(insert post-html-content))
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(let ((shr-use-fonts nil)
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(shr-external-rendering-functions
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'((pre . discoursel--parse-pre)
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(h1 . discoursel--parse-heading)
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(h2 . discoursel--parse-heading)
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(h3 . discoursel--parse-heading)
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(h4 . discoursel--parse-heading)
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(h5 . discoursel--parse-heading)
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(h6 . discoursel--parse-heading))))
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(shr-render-region (point) (point-max)))
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(put-text-property (point-min) (point-max)
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'post-id post-id)
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(buffer-string))))))
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(defun discoursel--open-topic (&optional id)
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(interactive)
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(when (and (not (eq major-mode 'discoursel-mode))
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(not id))
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(error "You must be in a discoursel buffer"))
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(user-error "You must be in a discoursel buffer"))
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(let* ((topic-id (number-to-string
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(or id (get-text-property (point) 'discoursel-topic-id))))
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(r (discoursel--get (concat "t/" topic-id)))
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(posts (alist-get 'posts (alist-get 'post_stream r)))
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(first-post (aref posts 0))
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(topic-slug (get-text-property (point) 'discoursel-topic-slug))
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(topic-slug (alist-get 'slug r))
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(topic-title (alist-get 'title r))
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(topic-date (alist-get 'created_at r))
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(topic-date-string
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@ -102,33 +211,47 @@
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(parse-time-string topic-date))))
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(userid (alist-get 'user_id r))
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(participants (alist-get 'participants (alist-get 'details r)))
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(topic-username (alist-get 'username first-post))
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(topic-author-alist (seq-find (lambda (p)
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(= (alist-get 'id p) userid))
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(string= (alist-get 'username p) topic-username))
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participants))
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(topic-author (alist-get 'username topic-author-alist))
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; (topic-author (alist-get 'username topic-author-alist))
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(topic-flairname (alist-get 'name topic-author-alist))
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(topic-author (concat (alist-get 'display_username first-post) " ("(alist-get 'username first-post) ")"))
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(buf (discoursel-get-create-buffer topic-slug)))
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(switch-to-buffer buf)
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(with-current-buffer buf
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(discoursel-topic-mode)
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(let ((inhibit-read-only t))
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(erase-buffer)
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(save-excursion
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(insert
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(with-temp-buffer
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(insert (format (propertize "Title: %s\n" 'face 'message-header-name)
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(propertize topic-title 'face 'message-header-subject)))
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(insert (format (propertize "Author: %s\n" 'face 'message-header-name)
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(propertize topic-author 'face 'message-header-to)))
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(insert (format (propertize "Date: %s\n" 'face 'message-header-name)
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(propertize topic-date-string 'face 'message-header-other)))
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(insert "\n")
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(let ((p (point)))
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(insert (alist-get 'cooked first-post))
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(let ((shr-use-fonts nil)
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(shr-external-rendering-functions
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'((pre . discoursel--parse-pre))))
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(shr-render-region p (point-max))))
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(buffer-substring (point-min) (point-max)))))))))
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(save-excursion
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(let ((inhibit-read-only t))
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(erase-buffer)
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(discoursel--insert-post first-post topic-title)
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(cl-loop for idx from 1 to (1- (length posts)) do
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(goto-char (point-max))
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(insert
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"\n"
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(with-temp-buffer
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(insert "<hr>")
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(shr-render-region (point-min) (point-max))
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(buffer-string)))
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(discoursel--insert-post (aref posts idx))))))))
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;; (save-excursion
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;; (insert
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;; (with-temp-buffer
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;; (insert (format (propertize "Title: %s\n" 'face 'message-header-name)
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;; (propertize topic-title 'face 'message-header-subject)))
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;; (insert (format (propertize "Author: %s\n" 'face 'message-header-name)
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;; (propertize topic-author 'face 'message-header-to)))
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;; (insert (format (propertize "Date: %s\n" 'face 'message-header-name)
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;; (propertize topic-date-string 'face 'message-header-other)))
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;; (insert "\n")
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;; (save-excursion
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;; (insert (alist-get 'cooked first-post)))
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;; (let ((shr-use-fonts nil)
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;; (shr-external-rendering-functions
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;; '((pre . discoursel--parse-pre))))
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;; (shr-render-region (point) (point-max)))
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;; (buffer-string))))))))
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(defun discoursel-open-topic (id)
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(interactive "nTopic ID: ")
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@ -177,8 +300,10 @@
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(let ((map (make-sparse-keymap)))
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(prog1 map
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(suppress-keymap map)
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(define-key map "n" #'discoursel-topic-next-post)
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(define-key map "p" #'discoursel-topic-previous-post)
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(define-key map "n" #'next-line)
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(define-key map "p" #'previous-line)
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(define-key map (kbd "M-n") #'discoursel-topic-next-entry)
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(define-key map (kbd "M-p") #'discoursel-topic-previous-entry)
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(define-key map "q" #'discoursel-kill-buffer)))
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"Keymap for `discoursel-topic-mode'.")
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