233 lines
8.5 KiB
EmacsLisp
233 lines
8.5 KiB
EmacsLisp
;;; idec-answers.el --- This file part of GNU Emacs client for IDEC network
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;; Copyright (c) 2017 Denis Zheleztsov
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;; Author: Denis Zheleztsov <difrex.punk@gmail.com>
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;; Keywords: lisp,network,IDEC
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;; Version: 0.1
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; In active developent.
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;; Fetched node must be support modern IDEC extensions like /list.txt, /x/c, etc.
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;;; Code:
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(require 'idec-mode)
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(require 'web)
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(defun replace-in-string (what with str)
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"Replace WHAT WITH in STR."
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(replace-regexp-in-string (regexp-quote what) with str nil 'literal))
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(defun base64-to-base64url (str)
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"Make url safe base64 string STR."
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(when (string-match (regexp-quote "=") str)
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(and (base64-to-base64url (replace-regexp-in-string "=+$" "" str))))
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(when (string-match (regexp-quote "+") str)
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(and (base64-to-base64url (replace-in-string "+" "-" str))))
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(when (string-match (regexp-quote "/") str)
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(and (base64-to-base64url (replace-in-string "/" "_" str))))
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str)
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(defun base64url-to-base64 (str)
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"Make base64 from urlsafe STR."
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(when (string-match (regexp-quote "-") str)
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(and (base64url-to-base64 (replace-in-string "-" "+" str))))
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(when (string-match (regexp-quote "_") str)
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(and (base64url-to-base64 (replace-in-string "_" "/" str))))
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str)
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(defun base64url-encode-string (str)
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"Decode base64 urlsafe string STR."
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(message (concat "Base64url: " (base64-to-base64url (base64-encode-string str t))))
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(base64-to-base64url (base64-encode-string str t)))
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(defun base64url-decode-string (str)
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"Encode base64 urlsafe string STR."
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(base64-decode-string (base64url-to-base64 str)))
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(defun point-url ()
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"Return url with `idec-primary-node' to send messages."
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(concat idec-primary-node "u/point"))
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(defun request-is-done (result)
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"Show message with RESULT code."
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(message "IDEC: Sended. Result: %S" result))
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(defun do-post-request (url msg)
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"Make POST request to URL with data MSG."
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(message (gethash 'tmsg msg))
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(web-http-post
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(lambda (con header data)
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(request-is-done data))
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:url url
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:data msg
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)
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;; (request
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;; url
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;; :type "POST"
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;; :data '(("pauth" . (gethash "path" msg)) ("tmsg" . (gethash "tmsg" msg)))
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;; ;; :headers '(("Content-Type" . "application/json"))
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;; ;; :parser 'json-read
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;; :success (function*
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;; (lambda (&key data &allow-other-keys)
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;; (message "I sent: %S" (assoc-default 'json data)))))
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)
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(defun post-message (encoded-message)
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"Do POST request to `idec-primary-node' with Base64 ENCODED-MESSAGE."
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(message (base64url-decode-string encoded-message))
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(let (json)
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(setq json (make-hash-table :test 'equal))
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(puthash 'pauth idec-account-auth json)
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(puthash 'tmsg encoded-message json)
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(do-post-request (point-url) json))
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;; (message (base64url-decode-string encoded-message))
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(message "Message sended"))
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(defun send-new-message (echo)
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"Send new message to ECHO."
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(switch-to-buffer (concat "*IDEC: New message to echo " echo "*"))
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(let ((msg (make-hash-table :test 'equal)))
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(puthash "body"
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(encode-coding-string (s-join "\n" (-drop-last 1 (-drop 4 (split-string (buffer-string) "\n"))))
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'utf-8)
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msg)
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(puthash "subj"
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(encode-coding-string (nth 1 (split-string (nth 2 (split-string (buffer-string) "\n")) "bj: "))
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'utf-8)
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msg)
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(puthash "echo" echo msg)
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(do-send-new-post-request msg)))
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(defun do-send-new-post-request (msg)
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"Make IDEC compatible point message MSG and send it to `idec-primary-node'."
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(let (point-message)
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(setq point-message (list
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(gethash "echo" msg)
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"All"
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(gethash "subj" msg)
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""
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(gethash "body" msg)))
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;; Encode message in Base64
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(post-message (base64url-encode-string (s-join "\n" point-message)))))
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(defun do-send-reply-post-request (message)
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"Make IDEC compatible point MESSAGE and send it to `idec-primary-node'."
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(message (gethash "body" message))
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(let (point-message)
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(setq point-message (list
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(gethash "echo" message)
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(gethash "author" message)
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(gethash "subj" message)
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""
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(concat "@repto:" (gethash "id" message))
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(gethash "body" message)))
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;; Encode message in Base64
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(post-message (base64url-encode-string (encode-coding-string (s-join "\n" point-message) 'utf-8)))
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(kill-buffer (concat "*IDEC: answer to " (gethash "id" message) "*"))))
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(defun send-reply-message (msg)
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"Send message MSG to `idec-primary-node'."
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(switch-to-buffer (concat "*IDEC: answer to " (gethash "id" msg) "*"))
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(puthash "body"
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(s-join "\n" (-drop-last 1 (-drop 4 (split-string (buffer-string) "\n"))))
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msg)
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(message (gethash "body" msg))
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(do-send-reply-post-request msg))
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(defun get-answers-hash (id msg-hash)
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"Make answers hashtable from ID and MSG-HASH."
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(let (answer-hash)
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(setq answer-hash (make-hash-table :test 'equal))
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(puthash "id" id answer-hash)
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(puthash "echo" (get-message-field (gethash "content" msg-hash) "echo") answer-hash)
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(puthash "author" (get-message-field (gethash "content" msg-hash) "author") answer-hash)
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(puthash "time" (get-message-field (gethash "content" msg-hash) "time") answer-hash)
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(setq subj (get-message-field (gethash "content" msg-hash) "subj"))
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;; Make `Re:' in subj if it not present.
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(if (not (string-match "Re:" subj))
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(puthash "subj" (concat "Re: " subj) answer-hash)
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(puthash "subj" subj answer-hash))
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answer-hash))
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(defun make-answer-header (id msg-hash)
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"Make header with reto to ID from MSG-HASH."
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(let (answer-hash subj p)
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(setq answer-hash (get-answers-hash id msg-hash))
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(concat
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(concat "Answer to " id " in " (gethash "echo" answer-hash) "\n")
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(concat "Author: "
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(gethash "author" answer-hash)
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(concat " at " (gethash "time" answer-hash))
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"\n")
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(concat "Subj: " (gethash "subj" answer-hash) "\n")
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"------- YOU MESSAGE BELLOW -------\n")))
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(defun edit-answer-without-quote (id msg-hash)
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"Answer to message with ID MSG-HASH."
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(let (answer-hash p)
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(setq answer-hash (get-answers-hash id msg-hash))
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(switch-to-buffer (get-buffer-create (concat "*IDEC: answer to " id "*")))
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(insert (make-answer-header id msg-hash))
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(forward-line)
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(add-text-properties (point) (point-min) 'read-only)
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(setq p (point))
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(insert "\n")
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(insert-text-button "[Send]"
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'action (lambda (x) (send-reply-message (button-get x 'msg)))
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'msg answer-hash)
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(goto-char p)
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(org-idec)))
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;; END OF ANSWERS
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;; NEW MESSAGE
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(defun make-new-message-header (echo)
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"Return header for new message with filled ECHO field."
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(concat
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(concat "New message to echo " echo "\n")
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"\n"
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"Subj: \n"
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"------- YOU MESSAGE BELLOW -------\n")
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)
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(defun edit-new-message (echo)
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"Edit new message to ECHO."
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(switch-to-buffer (get-buffer-create (concat "*IDEC: New message to echo " echo "*")))
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(insert (make-new-message-header echo))
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(forward-line)
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(let (p)
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(setq p (point))
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(insert "\n")
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(insert-text-button "[Send]"
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'action (lambda (x) (send-new-message (button-get x 'msg-echo)))
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'msg-echo echo)
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(goto-char p))
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(org-idec))
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(provide 'idec-answers)
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;;; idec-answers.el ends here
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