Updates
Signed-off-by: Sergio Durigan Junior <sergiodj@sergiodj.net>
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1 changed files with 212 additions and 95 deletions
219
discoursel.el
219
discoursel.el
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@ -5,11 +5,18 @@
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(require 'plz)
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(require 'message)
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(require 'rx)
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(require 'markdown-mode)
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(defgroup discoursel nil
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"Discourse TODO")
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(defcustom discoursel-instance "https://discourse.ubuntu.com"
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(defcustom discoursel-instances
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'((ubuntu
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:url "https://discourse.ubuntu.com"
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:name "Ubuntu")
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(fedora
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:url "https://discussion.fedoraproject.org"
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:name "Fedora"))
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"The Discourse instance."
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:group 'discoursel
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:type 'string)
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@ -55,24 +62,38 @@ posts manually and incrementally."
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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 &optional args)
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(defun discoursel--get (instance endpoint &optional args)
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(condition-case plzerror
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(plz 'get (concat discoursel-instance "/" endpoint ".json"
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(let* ((instance-url (plist-get (cdr instance) ':url))
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(full-url (concat instance-url "/" endpoint ".json")))
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(plz 'get (concat full-url
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(when args
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(concat "?"
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(mapconcat (lambda (elt)
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(concat (car elt) "=" (cdr elt)))
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args "&"))))
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:as #'json-read)
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:as #'json-read))
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(plz-error
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(error "Could not query endpoint '%s': '%s'"
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endpoint (plz-error-message plzerror)))))
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(defun discoursel--latest-topics ()
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(let* ((r (discoursel--get "latest"))
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(defun discoursel--get-invisibility-spec (instance &optional section)
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(let* ((instance-name (symbol-name (car instance)))
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(spec-str (concat "discoursel-visibility-" instance-name
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(when section
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(concat "-" section)))))
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(intern spec-str)))
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(defun discoursel--latest-topics (instance)
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(let* ((r (discoursel--get instance "latest"))
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(instance-symbol (car instance))
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(topics (alist-get 'topics (alist-get 'topic_list r)))
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(users (alist-get 'users r)))
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(with-current-buffer (discoursel-get-create-buffer)
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(users (alist-get 'users r))
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(initial-point (point)))
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(insert (propertize ">> Latest topics" 'invisible (discoursel--get-invisibility-spec instance)))
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(insert
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(with-temp-buffer
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(insert "\n")
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(cl-map 'vector
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(lambda (topic)
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(let* ((userid (alist-get 'user_id (aref (alist-get 'posters topic) 0)))
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@ -82,22 +103,61 @@ posts manually and incrementally."
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users))
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(inhibit-read-only t))
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(insert
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(propertize (format "%s (by %s)\n"
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(propertize (format " %s (by %s)\n"
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(propertize (alist-get 'title topic)
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'face 'discoursel-topic-face)
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(propertize (alist-get 'name username)
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'face 'discoursel-username-face))
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'discoursel-topic-slug (alist-get 'slug topic)
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'discoursel-topic-id (alist-get 'id topic)))))
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topics))))
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topics)
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(put-text-property (point-min) (point-max)
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'invisible `(,(discoursel--get-invisibility-spec instance "latest")
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,(discoursel--get-invisibility-spec instance)))
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(buffer-string)))
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(add-text-properties (1- initial-point) (point-max)
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`(discoursel-section "latest"
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discoursel-instance ,instance-symbol))))
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;;;###autoload
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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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(save-excursion
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(let ((inhibit-read-only t))
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(discoursel--latest-topics)))))
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(erase-buffer)
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(dolist (instance discoursel-instances)
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(let* ((instance-symbol (car instance))
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(instance-plist (cdr instance))
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(instance-name (plist-get instance-plist ':name)))
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(insert (propertize (format "💻 %s" instance-name)
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'discoursel-instance instance-symbol))
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(insert (propertize "\n" 'invisible (discoursel--get-invisibility-spec instance)))
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;; (let ((latest-topic-initial-point (point))
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;; (latest-topic-final-point))
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;; (insert ">> Latest topics")
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;; (setq latest-topic-final-point (point))
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;; (insert "\n")
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(discoursel--latest-topics instance)
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(insert "\n")))
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(kill-line -2)))))
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; (put-text-property latest-topic-final-point (point) 'invisible 'latest-topics))))))
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;; (put-text-property latest-topic-initial-point
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;; latest-topic-final-point
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;; 'overlay (make-overlay (1+ latest-topic-final-point) (point-max))))))))
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(defun discoursel-toggle-heading ()
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(interactive)
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(when-let* ((instance-to-toggle (get-text-property (point) 'discoursel-instance))
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(instance (assoc instance-to-toggle discoursel-instances)))
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(let* ((section-to-toggle (get-text-property (point) 'discoursel-section))
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(spec (cons (discoursel--get-invisibility-spec instance
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section-to-toggle)
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t))
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(invisible-p (and (listp buffer-invisibility-spec)
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(member spec buffer-invisibility-spec))))
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(if invisible-p
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(remove-from-invisibility-spec spec)
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(add-to-invisibility-spec spec)))))
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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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@ -125,11 +185,11 @@ characters."
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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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(setq pos (next-single-char-property-change pos 'discoursel-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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(setq pos (next-single-char-property-change pos 'discoursel-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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@ -139,37 +199,28 @@ characters."
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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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(setq pos (or (previous-single-property-change pos 'discoursel-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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(setq pos (or (previous-single-property-change pos 'discoursel-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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(defun discoursel--insert-post (instance 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-number (alist-get 'post_number post))
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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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(post-author-name (discoursel--get-name-or-username post))
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(post-author-username (alist-get 'username post))
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(post-html-content (alist-get 'cooked post))
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(instance-symbol (car instance)))
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(save-excursion
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(insert
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(with-temp-buffer
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@ -177,7 +228,7 @@ characters."
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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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(propertize post-author-name '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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@ -193,11 +244,15 @@ characters."
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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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(add-text-properties (point-min) (point-max)
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`(discoursel-post-id ,post-id
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discoursel-post-number ,post-number
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discoursel-post-author-username ,post-author-username
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discoursel-post-author-name ,post-author-name
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discoursel-instance ,instance-symbol))
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(buffer-string))))))
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(defun discoursel-render-posts-from-topic (topic &optional start-idx)
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(defun discoursel-render-posts-from-topic (instance topic &optional start-idx)
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(let* ((posts (alist-get 'posts (alist-get 'post_stream topic)))
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(topic-slug (alist-get 'slug topic))
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(buf (discoursel-get-create-buffer topic-slug))
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@ -213,24 +268,28 @@ characters."
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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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(discoursel--insert-post instance (aref posts idx))))))))
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(defun discoursel--fetch-all-posts-from-topic (topic-id number-of-pages)
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(defun discoursel--fetch-all-posts-from-topic (instance topic-id number-of-pages)
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(cl-loop for page from 2 to number-of-pages do
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(with-delayed-message (2 (format "Rendering page %d out of %d..." page number-of-pages))
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(let* ((topic (discoursel--get (concat "t/" topic-id)
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`(("page" . ,(number-to-string page)))))
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(posts (alist-get 'posts (alist-get 'post_stream topic))))
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(discoursel-render-posts-from-topic topic)))))
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(let ((topic (discoursel--get instance
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(concat "t/" topic-id)
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`(("page" . ,(number-to-string page))))))
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(discoursel-render-posts-from-topic instance topic)))))
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(defun discoursel--open-topic (&optional id)
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(defun discoursel--open-topic (&optional instance 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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(user-error "You must be in a discoursel buffer"))
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(let* ((topic-id (number-to-string
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(let* ((instance-name (or instance
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(get-text-property (point) 'discoursel-instance)
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(user-error "You must select a topic to open")))
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(instance-data (assoc instance-name discoursel-instances))
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(topic-id (number-to-string
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(or id (get-text-property (point) 'discoursel-topic-id))))
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(topic (discoursel--get (concat "t/" topic-id)))
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(topic (discoursel--get instance-data (concat "t/" topic-id)))
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(posts (alist-get 'posts (alist-get 'post_stream topic)))
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(first-post (aref posts 0))
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(topic-slug (alist-get 'slug topic))
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@ -244,16 +303,60 @@ characters."
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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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(discoursel-render-posts-from-topic topic 1)
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(discoursel--insert-post instance-data first-post topic-title)
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(discoursel-render-posts-from-topic instance-data topic 1)
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(when (> number-of-pages 1)
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(if discoursel-fetch-all-posts-from-topic
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(discoursel--fetch-all-posts-from-topic topic-id number-of-pages)
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(message "TODO"))))))))
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(discoursel--fetch-all-posts-from-topic instance-data
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topic-id
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number-of-pages)
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(message "TODO")))
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(put-text-property (point-min) (point-max)
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'discoursel-topic-id (string-to-number topic-id)))))))
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(defun discoursel-open-topic (id)
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(interactive "nTopic ID: ")
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(discoursel--open-topic id))
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(defun discoursel-reply-to-post (&optional arg)
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(interactive "P")
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(let* ((post-id (or (get-text-property (point) 'discoursel-post-id)
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(user-error "You must choose a post to reply to")))
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(instance (assoc (get-text-property (point) 'discoursel-instance)
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discoursel-instances))
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(buf (discoursel-get-create-buffer (number-to-string post-id)))
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(original-topic-point (point))
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(original-topic-buffer (current-buffer)))
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(switch-to-buffer-other-window buf)
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(with-current-buffer buf
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(when arg
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(let ((post-raw-contents
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(alist-get 'raw
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(discoursel--get instance (concat "posts/"
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(number-to-string post-id)))))
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(post-author-username (get-text-property original-topic-point
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'discoursel-post-author-username
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original-topic-buffer))
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(post-number (get-text-property original-topic-point
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'discoursel-post-number
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original-topic-buffer))
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(topic-id (get-text-property original-topic-point
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'discoursel-topic-id
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original-topic-buffer)))
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(insert (format "[quote=\"%s, post:%d, topic:%d\"]\n"
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post-author-username
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post-number
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topic-id))
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(insert post-raw-contents)
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(goto-char (point-min))
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;; We can't quote the [quote...] tag.
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(next-line)
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(while (re-search-forward (rx line-start) nil t)
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(replace-match "> " t t))
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(goto-char (point-max))
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(insert "\n\n")))
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(discoursel-post-reply-mode))
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(message "Type C-c C-c to post reply, C-c C-k to discard it")))
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(defun discoursel-open-topic (instance id)
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(interactive "nInstance: \nnTopic ID: ")
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(discoursel--open-topic instance id))
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(defun discoursel-get-create-buffer (&optional name)
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(let* ((bufname (concat "*discoursel"
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@ -290,6 +393,7 @@ characters."
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(define-key map "p" #'previous-line)
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(define-key map (kbd "RET") #'discoursel--open-topic)
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(define-key map "j" #'discoursel-open-topic)
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(define-key map (kbd "TAB") #'discoursel-toggle-heading)
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(define-key map "q" #'discoursel-exit)
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(define-key map "g" #'discoursel-update)))
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"Keymap for `discoursel-mode'.")
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@ -302,9 +406,16 @@ characters."
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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 (kbd "C-c C-r") #'discoursel-reply-to-post)
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(define-key map "q" #'discoursel-kill-buffer)))
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"Keymap for `discoursel-topic-mode'.")
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(defvar discoursel-post-reply-mode-map
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(let ((map (make-sparse-keymap)))
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(prog1 map
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(define-key map (kbd "C-c C-k") #'kill-buffer-and-window)))
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"Keymap for `discoursel-post-reply-mode.")
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(define-derived-mode discoursel-mode special-mode "Discourse client"
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"Major mode for interacting with Discourse instances.
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\\{discoursel-mode-map}"
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@ -315,12 +426,18 @@ characters."
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\\{discoursel-topic-mode-map}"
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(use-local-map discoursel-topic-mode-map))
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(define-derived-mode discoursel-post-reply-mode markdown-mode "Discoursel post reply"
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"Major mode for replying to Discourse posts.
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\\{discoursel-post-reply-mode-map}"
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(use-local-map discoursel-post-reply-mode-map))
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(defun discoursel ()
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"Enter discoursel."
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(interactive)
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(switch-to-buffer (discoursel-get-create-buffer))
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(unless (eq major-mode 'discoursel-mode)
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(discoursel-mode))
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(setq buffer-invisibility-spec nil)
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(discoursel-update))
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