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|
;;; mastodon-toot.el --- Minor mode for sending Mastodon toots -*- lexical-binding: t -*-
;; Copyright (C) 2017 Johnson Denen
;; Author: Johnson Denen <johnson.denen@gmail.com>
;; Version: 0.6.3
;; Homepage: https://github.com/jdenen/mastodon.el
;; Package-Requires: ((emacs "24.4"))
;; This file is not part of GNU Emacs.
;; This file is part of mastodon.el.
;; mastodon.el is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; mastodon.el 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 General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with mastodon.el. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; mastodon-toot.el supports POSTing status data to Mastodon.
;;; Code:
(defvar mastodon-toot--reply-to-id nil)
(defvar mastodon-toot--content-warning nil)
(declare-function mastodon-http--api "mastodon-http")
(declare-function mastodon-http--post "mastodon-http")
(declare-function mastodon-http--triage "mastodon-http")
(declare-function mastodon-tl--field "mastodon-tl")
(declare-function mastodon-tl--goto-next-toot "mastodon-tl")
(declare-function mastodon-tl--property "mastodon-tl")
(declare-function mastodon-toot "mastodon")
(defvar mastodon-toot-mode-map
(let ((map (make-sparse-keymap)))
(define-key map (kbd "C-c C-c") #'mastodon-toot--send)
(define-key map (kbd "C-c C-k") #'mastodon-toot--cancel)
(define-key map (kbd "C-c C-w") #'mastodon-toot--toggle-warning)
map)
"Keymap for `mastodon-toot'.")
(defun mastodon-toot--action-success (marker &optional rm)
"Insert MARKER with 'success face in byline.
Remove MARKER if RM is non-nil."
(let ((inhibit-read-only t)
(bol (progn (move-beginning-of-line nil) (point)))
(eol (progn (move-end-of-line nil) (point))))
(when rm
(goto-char bol)
(if (search-forward (format "(%s) " marker) eol t)
(replace-match "")))
(move-beginning-of-line nil)
(mastodon-tl--goto-next-toot)
(unless rm
(insert (format "(%s) "
(propertize marker 'face 'success))))))
(defun mastodon-toot--action (action callback)
"Take ACTION on toot at point, then execute CALLBACK."
(let* ((id (mastodon-tl--property 'toot-id))
(url (mastodon-http--api (concat "statuses/"
(number-to-string id)
"/"
action))))
(let ((response (mastodon-http--post url nil nil)))
(mastodon-http--triage response callback))))
(defun mastodon-toot--toggle-boost ()
"Boost/unboost toot at `point'."
(interactive)
(let* ((id (mastodon-tl--property 'toot-id))
(boosted (get-text-property (point) 'boosted-p))
(action (if boosted "unreblog" "reblog"))
(msg (if boosted "unboosted" "boosted"))
(remove (when boosted t)))
(mastodon-toot--action action
(lambda ()
(mastodon-toot--action-success "B" remove)
(message (format "%s #%d" msg id))))))
(defun mastodon-toot--toggle-favourite ()
"Favourite/unfavourite toot at `point'."
(interactive)
(let* ((id (mastodon-tl--property 'toot-id))
(faved (get-text-property (point) 'favourited-p))
(action (if faved "unfavourite" "favourite"))
(remove (when faved t)))
(mastodon-toot--action action
(lambda ()
(mastodon-toot--action-success "F" remove)
(message (format "%sd #%d" action id))))))
(defun mastodon-toot--kill ()
"Kill `mastodon-toot-mode' buffer and window.
Set `mastodon-toot--reply-to-id' to nil.
Set `mastodon-toot--content-warning' to nil."
(kill-buffer-and-window)
(setq mastodon-toot--reply-to-id nil
mastodon-toot--content-warning nil))
(defun mastodon-toot--cancel ()
"Kill new-toot buffer/window. Does not POST content to Mastodon."
(interactive)
(mastodon-toot--kill))
(defun mastodon-toot--remove-docs ()
"Get the body of a toot from the current compose buffer."
(let ((re "^|=+=|$"))
(save-excursion
(goto-char 0)
(re-search-forward re nil nil 2)
(buffer-substring (+ 2 (point)) (+ 1 (length (buffer-string)))))))
(defun mastodon-toot--send ()
"Kill new-toot buffer/window and POST contents to the Mastodon instance."
(interactive)
(let* ((toot (mastodon-toot--remove-docs))
(endpoint (mastodon-http--api "statuses"))
(spoiler (when mastodon-toot--content-warning
(read-string "Warning: ")))
(args `(("status" . ,toot)
("in_reply_to_id" . ,mastodon-toot--reply-to-id)
("sensitive" . ,(when mastodon-toot--content-warning
(symbol-name t)))
("spoiler_text" . ,spoiler))))
(mastodon-toot--kill)
(let ((response (mastodon-http--post endpoint args nil)))
(mastodon-http--triage response
(lambda () (message "Toot toot!"))))))
(defun mastodon-toot--reply ()
"Reply to toot at `point'."
(interactive)
(let* ((toot (mastodon-tl--property 'toot-json))
(id (number-to-string (mastodon-tl--field 'id toot)))
(account (mastodon-tl--field 'account toot))
(user (cdr (assoc 'username account))))
(mastodon-toot user id)))
(defun mastodon-toot--toggle-warning ()
"Toggle `mastodon-toot--content-warning'."
(interactive)
(setq mastodon-toot--content-warning
(not mastodon-toot--content-warning)))
;; we'll need to revisit this if the binds get
;; more diverse than two-chord bindings
(defun mastodon-toot--get-mode-kbinds ()
"Get a list of the keybindings in the mastodon-toot-mode."
(let* ((binds (copy-tree mastodon-toot-mode-map))
(prefix (car (cadr binds)))
(bindings (remove nil (mapcar (lambda (i) (if (listp i) i))
(cadr binds)))))
(mapcar (lambda (b)
(setf (car b) (vector prefix (car b)))
b)
bindings)))
(defun mastodon-toot--format-kbind-command (cmd)
"Format CMD to be more readable.
e.g. mastodon-toot--send -> Send."
(let* ((str (symbol-name cmd))
(re "--\\(.*\\)$")
(str2 (save-match-data
(string-match re str)
(match-string 1 str))))
(capitalize (replace-regexp-in-string "-" " " str2))))
(defun mastodon-toot--format-kbind (kbind)
"Format a single keybinding, KBIND, for display in documentation."
(let ((key (help-key-description (car kbind) nil))
(command (mastodon-toot--format-kbind-command (cdr kbind))))
(format "\t%s - %s" key command)))
(defun mastodon-toot--format-kbinds (kbinds)
"Format a list keybindings, KBINDS, for display in documentation."
(mapconcat 'identity (cons "" (mapcar #'mastodon-toot--format-kbind kbinds))
"\n"))
(defun mastodon-toot--make-mode-docs ()
"Create formatted documentation text for the mastodon-toot-mode."
(let ((kbinds (mastodon-toot--get-mode-kbinds)))
(concat
"|=================================================================|\n"
" Compose a new toot here. The following keybindings are available:"
(mastodon-toot--format-kbinds kbinds)
"\n|=================================================================|\n\n")))
(defun mastodon-toot--display-docs ()
"Display documentation about mastodon-toot mode."
(insert
(propertize
(mastodon-toot--make-mode-docs)
'face 'comment)))
(defun mastodon-toot--setup-as-reply (reply-to-user reply-to-id)
"If REPLY-TO-USER is provided, inject their handle into the message.
If REPLY-TO-ID is provided, set the MASTODON-TOOT--REPLY-TO-ID var."
(when reply-to-user
(insert (format "@%s " reply-to-user))
(setq mastodon-toot--reply-to-id reply-to-id)))
(defun mastodon-toot--compose-buffer (reply-to-user reply-to-id)
"Create a new buffer to capture text for a new toot.
If REPLY-TO-USER is provided, inject their handle into the message.
If REPLY-TO-ID is provided, set the MASTODON-TOOT--REPLY-TO-ID var."
(let* ((buffer-exists (get-buffer "*new toot*"))
(buffer (or buffer-exists (get-buffer-create "*new toot*"))))
(switch-to-buffer-other-window buffer)
(when (not buffer-exists)
(mastodon-toot--display-docs)
(mastodon-toot--setup-as-reply reply-to-user reply-to-id))
(mastodon-toot-mode t)))
(define-minor-mode mastodon-toot-mode
"Minor mode to capture Mastodon toots."
:group 'mastodon-toot
:keymap mastodon-toot-mode-map
:global nil)
(provide 'mastodon-toot)
;;; mastodon-toot.el ends here
|
