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;;; slack-message-sender.el --- slack message concern message sending -*- lexical-binding: t; -*-
;; Copyright (C) 2015 yuya.minami
;; Author: yuya.minami <yuya.minami@yuyaminami-no-MacBook-Pro.local>
;; Keywords:
;; This program 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.
;; This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;;
;;; Code:
(require 'eieio)
(require 'json)
(require 'slack-util)
(require 'slack-websocket)
(require 'slack-room)
(require 'slack-im)
(require 'slack-group)
(require 'slack-message)
(require 'slack-channel)
(require 'slack-slash-commands)
(defvar slack-message-minibuffer-local-map nil)
(defvar slack-buffer-function)
(defun slack-message-send ()
(interactive)
(slack-message--send (slack-message-read-from-minibuffer)))
(defun slack-message-inc-id (team)
(with-slots (message-id) team
(if (eq message-id (1- most-positive-fixnum))
(setq message-id 1)
(cl-incf message-id))))
(defun slack-escape-message (message)
"Escape '<,' '>' & '&' in MESSAGE."
(replace-regexp-in-string
">" ">"
(replace-regexp-in-string
"<" "<"
(replace-regexp-in-string "&" "&" message))))
(defun slack-link-users (message team)
"Add links to all references to valid users in MESSAGE."
(replace-regexp-in-string
"@\\<\\([A-Za-z0-9._\-]+\\)\\>"
#'(lambda (text)
(let* ((username (match-string 1 text))
(id (slack-user-get-id username team)))
(if id
(format "<@%s|%s>" id username)
(cond
((string= username "here") "<!here|here>")
((cl-find username '("channel" "group") :test #'string=) "<!channel>")
((string= username "everyone") "<!everyone>")
(t text)))))
message t))
(defun slack-link-channels (message team)
"Add links to all references to valid channels in MESSAGE."
(let ((channel-ids
(mapcar #'(lambda (x)
(let ((channel (cdr x)))
(cons (slack-room-name channel) (slot-value channel 'id))))
(slack-channel-names team))))
(replace-regexp-in-string
"#\\<\\([A-Za-z0-9_\-]+\\)\\>"
#'(lambda (text)
(let* ((channel (match-string 1 text))
(id (cdr (assoc channel channel-ids))))
(if id
(format "<#%s|%s>" id channel)
text)))
message t)))
(defun slack-message-prepare-links (message team)
(slack-link-channels (slack-link-users message team) team))
(defun slack-message--send (message)
(slack-if-let* ((buf slack-current-buffer))
(slack-if-let* ((command (slack-slash-commands-parse message)))
(slack-buffer-execute-slash-command buf command)
(slack-buffer-send-message buf message))))
(defun slack-message-send-internal (message channel-id team)
(slack-message-inc-id team)
(with-slots (message-id sent-message self-id) team
(let* ((m (list :id message-id
:channel channel-id
:type "message"
:user self-id
:text (slack-message-prepare-links
(slack-escape-message message)
team)))
(json (json-encode m))
(obj (slack-message-create m team)))
(slack-ws-send json team)
(puthash message-id obj sent-message))))
(defun slack-message-read-room (team)
(let* ((list (slack-message-room-list team))
(choices (mapcar #'car list))
(room-name (slack-message-read-room-list "Select Room: " choices))
(room (cdr (cl-assoc room-name list :test #'string=))))
room))
(defun slack-message-read-room-list (prompt choices)
(let ((completion-ignore-case t))
(funcall slack-completing-read-function (format "%s" prompt)
choices nil t nil nil choices)))
(defun slack-message-room-list (team)
(append (slack-group-names team)
(slack-im-names team)
(slack-channel-names team)))
(defun slack-message-read-from-minibuffer ()
(let ((prompt "Message: "))
(slack-message-setup-minibuffer-keymap)
(read-from-minibuffer
prompt
nil
slack-message-minibuffer-local-map)))
(defun slack-message-setup-minibuffer-keymap ()
(unless slack-message-minibuffer-local-map
(setq slack-message-minibuffer-local-map
(let ((map (make-sparse-keymap)))
(define-key map (kbd "RET") 'newline)
(set-keymap-parent map minibuffer-local-map)
map))))
(defun slack-message-embed-channel ()
(interactive)
(slack-if-let* ((buf slack-current-buffer))
(with-slots (team) buf
(slack-select-from-list
((slack-channel-names team) "Select Channel: ")
(insert (concat "#" (slack-room-name selected)))))))
(defun slack-message-embed-mention ()
(interactive)
(slack-if-let* ((buf slack-current-buffer))
(with-slots (team) buf
(let* ((pre-defined (list (list "here" :name "here")
(list "channel" :name "channel")))
(alist (append pre-defined (slack-user-names team))))
(slack-select-from-list
(alist "Select User: ")
(insert (concat "@" (plist-get selected :name))))))))
(provide 'slack-message-sender)
;;; slack-message-sender.el ends here
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