bring the code backbefore-reshuffle

Previous attempt didn't go well.

1 files changed, 0 insertions, 470 deletions

diff --git a/rt-liberation-viewer.el b/rt-liberation-viewer.el
deleted file mode 100644
index e07186d..0000000
--- a/rt-liberation-viewer.el
+++ /dev/null
@@ -1,470 +0,0 @@
-;;; rt-liberation-viewer.el --- Emacs interface to RT  -*- lexical-binding: t; -*-
-
-;; Copyright (C) 2020  Free Software Foundation, Inc.
-;;
-;; Authors: Yoni Rabkin <yrk@gnu.org>
-;;
-;; This file is a part of rt-liberation.
-;;
-;; 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, write to the Free
-;; Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
-;; MA 02111-1307, USA.
-
-
-;;; Comments:
-;; By the end of 2020 is was clear that a more robust way of viewing
-;; tickets was preferable.
-
-
-;;; Code:
-(require 'rt-liberation)
-
-
-(defvar rt-liber-viewer-section-header-regexp
-  "^# [0-9]+/[0-9]+ (id/[0-9]+/total)")
-
-(defvar rt-liber-viewer-section-field-regexp
-  "^\\(.+\\): \\(.+\\)$")
-
-(defconst rt-liber-viewer-font-lock-keywords
-  (let ((header-regexp (regexp-opt '("id: " "Ticket: " "TimeTaken: "
-				     "Type: " "Field: " "OldValue: "
-				     "NewValue: " "Data: "
-				     "Description: " "Created: "
-				     "Creator: " "Attachments: ")
-				   t)))
-    (list
-     (list (concat "^" header-regexp ".*$") 0
-	   'font-lock-comment-face)))
-  "Expressions to font-lock for RT ticket viewer.")
-
-(defun rt-liber-display-ticket-history (ticket-alist &optional assoc-browser)
-  "Display history for ticket.
-
-TICKET-ALIST alist of ticket data.
-ASSOC-BROWSER if non-nil should be a ticket browser."
-  (let* ((ticket-id (rt-liber-ticket-id-only ticket-alist))
-	 (contents (rt-liber-rest-run-ticket-history-base-query ticket-id))
-	 (new-ticket-buffer (get-buffer-create
-			     (concat "*RT Ticket #" ticket-id "*"))))
-    (with-current-buffer new-ticket-buffer
-      (let ((inhibit-read-only t))
-	(erase-buffer)
-	(insert contents)
-	(goto-char (point-min))
-	(rt-liber-viewer-mode)
-	(set
-	 (make-local-variable 'rt-liber-ticket-local)
-	 ticket-alist)
-	(when assoc-browser
-	  (set
-	   (make-local-variable 'rt-liber-assoc-browser)
-	   assoc-browser))
-	(set-buffer-modified-p nil)
-	(setq buffer-read-only t)))
-    (switch-to-buffer new-ticket-buffer)))
-
-
-;;; ------------------------------------------------------------------
-;;; viewer2 mode functions
-;;; ------------------------------------------------------------------
-(defun rt-liber-viewer-reduce (section-list f acc)
-  "A Not Invented Here tail-recursive reduce function."
-  (cond ((null (cdr section-list)) acc)
-	(t (rt-liber-viewer-reduce (cdr section-list)
-				   f
-				   (append acc (list
-						(funcall f
-							 (car section-list)
-							 (cadr section-list))))))))
-
-;; According to:
-;; "https://rt-wiki.bestpractical.com/wiki/REST#Ticket_History_Entry"
-;; id: <history-id>
-;; Ticket: <ticket-id>
-;; TimeTaken: <...>
-;; Type: <...>
-;; Field: <...>
-;; OldValue: <...>
-;; NewValue: <...>
-;; Data: <...>
-;; Description: <...>
-
-;; Content: <lin1-0>
-;;          <line-1>
-;;          ...
-;;          <line-n>
-
-;; Creator: <...>
-;; Created: <...>
-;; Attachments: <...>
-(defun rt-liber-viewer-parse-section (start end)
-  (goto-char start)
-  (when (not (re-search-forward
-	      rt-liber-viewer-section-header-regexp
-	      end t))
-    (error "invalid section"))
-  (forward-line 2)
-  (let (section-field-alist
-	(rt-field-list
-	 '(id Ticket TimeTaken Type Field
-	      OldValue NewValue Data Description
-	      Creator Created)))
-    ;; definitely error out if any of this doesn't work
-    (setq section-field-alist
-	  (mapcar
-	   (lambda (field-symbol)
-	     (re-search-forward (format "^%s:" (symbol-name field-symbol)) end nil)
-	     (cons field-symbol (buffer-substring (1+ (point)) (point-at-eol))))
-	   rt-field-list))
-    ;; content
-    (goto-char start)
-    (let ((content-start (re-search-forward "^Content: " end nil))
-	  (content-end (progn
-			 (re-search-forward "^Creator: " end nil)
-			 (point-at-bol))))
-      (append section-field-alist
-	      `(,(cons 'Content
-		       (buffer-substring content-start
-					 content-end)))))))
-
-;; According to:
-;; "https://rt-wiki.bestpractical.com/wiki/REST#Ticket_History" is of
-;; the form: "# <n>/<n> (id/<history-id>/total)"
-(defun rt-liber-viewer-parse-history (ticket-history)
-  "Parse the string TICKET-HISTORY."
-  (when (not (stringp ticket-history))
-    (error "invalid ticket-history"))
-  (with-temp-buffer
-    (insert ticket-history)
-    (goto-char (point-min))
-    ;; find history detail sections and procude a list of section
-    ;; (start . end) pairs
-    (let (section-point-list
-	  section-list)
-      (while (re-search-forward rt-liber-viewer-section-header-regexp (point-max) t)
-	(setq section-point-list (append section-point-list
-					 (list (point-at-bol)))))
-      (when (not section-point-list)
-	(error "no history detail sections found"))
-      (setq section-point-list (append section-point-list
-				       (list (point-max)))
-	    section-point-list (rt-liber-viewer-reduce section-point-list #'cons nil))
-      ;; collect the sections
-      (setq section-list
-	    (mapcar
-	     (lambda (section-points)
-	       (rt-liber-viewer-parse-section
-		(car section-points)
-		(cdr section-points)))
-	     section-point-list))
-      section-list)))
-
-(defun rt-liber-viewer2-format-content (content)
-  (with-temp-buffer
-    (insert content)
-
-    ;; Convert the 9 leading whitespaces from RT's comment lines.
-    (goto-char (point-min))
-    (insert "    ")
-    (while (re-search-forward "^         " (point-max) t)
-      (replace-match "    "))
-
-    (fill-region (point-min)
-		 (point-max))
-
-    (buffer-substring (point-min)
-		      (point-max))))
-
-(defun rt-liber-viewer2-display-section (section)
-  (let ((ticket-id (alist-get 'Ticket section))
-	(creator   (alist-get 'Creator section))
-	(date      (alist-get 'Created section))
-	(type	   (alist-get 'Type section))
-	(content   (alist-get 'Content section)))
-    (insert
-     (format "Ticket %s by %s on %s (-N- days ago) (%s)\n"
-	     ticket-id
-	     creator
-	     date
-	     type))
-    (cond ((or (string= type "Status")
-	       (string= type "CustomField")
-	       ;; (string= type "EmailRecord")
-	       (string= type "Set"))
-	   'nop-for-now)
-	  (t (insert
-	      (format "\n%s\n"
-		      (rt-liber-viewer2-format-content content)))))))
-
-(defun rt-liber-viewer2-display-history (contents)
-  (let ((section-list (rt-liber-viewer-parse-history contents)))
-    (mapc
-     (lambda (section)
-       (rt-liber-viewer2-display-section section))
-     section-list)))
-
-;; Before release: move this back to the top
-(defconst rt-liber-viewer2-font-lock-keywords
-  (let ((header-regexp (regexp-opt '("id: ")
-				   t)))
-    (list
-     (list (concat "^" header-regexp ".*$") 0
-	   'font-lock-comment-face)))
-  "Expressions to font-lock for RT ticket viewer.")
-
-(defun rt-liber-viewer2-display-ticket-history (ticket-alist &optional assoc-browser)
-  "Display history for ticket.
-
-TICKET-ALIST alist of ticket data.
-ASSOC-BROWSER if non-nil should be a ticket browser."
-  (let* ((ticket-id (rt-liber-ticket-id-only ticket-alist))
-	 (contents (rt-liber-rest-run-ticket-history-base-query ticket-id))
-	 (new-ticket-buffer (get-buffer-create
-			     (concat "*RT (Viewer) Ticket #" ticket-id "*"))))
-    (with-current-buffer new-ticket-buffer
-      (let ((inhibit-read-only t))
-	(erase-buffer)
-	(rt-liber-viewer2-display-history contents)
-	(goto-char (point-min))
-	(rt-liber-viewer2-mode)
-	(set
-	 (make-local-variable 'rt-liber-ticket-local)
-	 ticket-alist)
-	(when assoc-browser
-	  (set
-	   (make-local-variable 'rt-liber-assoc-browser)
-	   assoc-browser))
-	(set-buffer-modified-p nil)
-	(setq buffer-read-only t)))
-    (switch-to-buffer new-ticket-buffer)))
-
-(defun rt-liber-viewer2-refresh-ticket-history (&optional _ignore-auto _noconfirm)
-  (interactive)
-  (if rt-liber-ticket-local
-      (rt-liber-viewer2-display-ticket-history rt-liber-ticket-local
-					       rt-liber-assoc-browser)
-    (error "not viewing a ticket")))
-
-(defconst rt-liber-viewer2-mode-map
-  (let ((map (make-sparse-keymap)))
-    (define-key map (kbd "q") 'rt-liber-viewer-mode-quit)
-    (define-key map (kbd "n") 'rt-liber-next-section-in-viewer)
-    (define-key map (kbd "N") 'rt-liber-jump-to-latest-correspondence)
-    (define-key map (kbd "p") 'rt-liber-previous-section-in-viewer)
-    (define-key map (kbd "V") 'rt-liber-viewer-visit-in-browser)
-    (define-key map (kbd "m") 'rt-liber-viewer-answer)
-    (define-key map (kbd "M") 'rt-liber-viewer-answer-this)
-    (define-key map (kbd "t") 'rt-liber-viewer-answer-provisionally)
-    (define-key map (kbd "T") 'rt-liber-viewer-answer-provisionally-this)
-    (define-key map (kbd "F") 'rt-liber-viewer-answer-verbatim-this)
-    (define-key map (kbd "c") 'rt-liber-viewer-comment)
-    (define-key map (kbd "C") 'rt-liber-viewer-comment-this)
-    (define-key map (kbd "g") 'revert-buffer)
-    (define-key map (kbd "SPC") 'scroll-up)
-    (define-key map (kbd "DEL") 'scroll-down)
-    (define-key map (kbd "h") 'rt-liber-viewer-show-ticket-browser)
-    map)
-  "Key map for ticket viewer.")
-
-(define-derived-mode rt-liber-viewer2-mode nil
-  "RT Liberation Viewer"
-  "Major Mode for viewing RT tickets.
-\\{rt-liber-viewer-mode-map}"
-  (set
-   (make-local-variable 'font-lock-defaults)
-   '((rt-liber-viewer2-font-lock-keywords)))
-  (set (make-local-variable 'revert-buffer-function)
-       #'rt-liber-viewer2-refresh-ticket-history)
-  (set (make-local-variable 'buffer-stale-function)
-       (lambda (&optional _noconfirm) 'slow))
-  (run-hooks 'rt-liber-viewer-hook))
-
-
-;;; ------------------------------------------------------------------
-;;; viewer mode functions
-;;; ------------------------------------------------------------------
-(defun rt-liber-jump-to-latest-correspondence ()
-  "Move point to the newest correspondence section."
-  (interactive)
-  (let (latest-point)
-    (save-excursion
-      (goto-char (point-max))
-      (when (re-search-backward rt-liber-correspondence-regexp
-				(point-min) t)
-	(setq latest-point (point))))
-    (if latest-point
-	(progn
-	  (goto-char latest-point)
-	  (rt-liber-next-section-in-viewer))
-      (message "no correspondence found"))))
-
-(defun rt-liber-viewer-visit-in-browser ()
-  "Visit this ticket in the RT Web interface."
-  (interactive)
-  (let ((id (rt-liber-ticket-id-only rt-liber-ticket-local)))
-    (if id
-	(browse-url
-	 (concat rt-liber-base-url "Ticket/Display.html?id=" id))
-      (error "no ticket currently in view"))))
-
-(defun rt-liber-viewer-mode-quit ()
-  "Bury the ticket viewer."
-  (interactive)
-  (bury-buffer))
-
-(defun rt-liber-viewer-show-ticket-browser ()
-  "Return to the ticket browser buffer."
-  (interactive)
-  (let ((id (rt-liber-ticket-id-only rt-liber-ticket-local)))
-    (if id
-	(let ((target-buffer
-	       (if rt-liber-assoc-browser
-		   (buffer-name rt-liber-assoc-browser)
-		 (buffer-name rt-liber-browser-buffer-name))))
-	  (if target-buffer
-	      (switch-to-buffer target-buffer)
-	    (error "associated ticket browser buffer no longer exists"))
-	  (rt-liber-browser-move-point-to-ticket id))
-      (error "no ticket currently in view"))))
-
-(defun rt-liber-next-section-in-viewer ()
-  "Move point to next section."
-  (interactive)
-  (forward-line 1)
-  (when (not (re-search-forward rt-liber-content-regexp (point-max) t))
-    (message "no next section"))
-  (goto-char (point-at-bol)))
-
-(defun rt-liber-previous-section-in-viewer ()
-  "Move point to previous section."
-  (interactive)
-  (forward-line -1)
-  (when (not (re-search-backward rt-liber-content-regexp (point-min) t))
-    (message "no previous section"))
-  (goto-char (point-at-bol)))
-
-(defconst rt-liber-viewer-mode-map
-  (let ((map (make-sparse-keymap)))
-    (define-key map (kbd "q") 'rt-liber-viewer-mode-quit)
-    (define-key map (kbd "n") 'rt-liber-next-section-in-viewer)
-    (define-key map (kbd "N") 'rt-liber-jump-to-latest-correspondence)
-    (define-key map (kbd "p") 'rt-liber-previous-section-in-viewer)
-    (define-key map (kbd "V") 'rt-liber-viewer-visit-in-browser)
-    (define-key map (kbd "m") 'rt-liber-viewer-answer)
-    (define-key map (kbd "M") 'rt-liber-viewer-answer-this)
-    (define-key map (kbd "t") 'rt-liber-viewer-answer-provisionally)
-    (define-key map (kbd "T") 'rt-liber-viewer-answer-provisionally-this)
-    (define-key map (kbd "F") 'rt-liber-viewer-answer-verbatim-this)
-    (define-key map (kbd "c") 'rt-liber-viewer-comment)
-    (define-key map (kbd "C") 'rt-liber-viewer-comment-this)
-    (define-key map (kbd "g") 'revert-buffer)
-    (define-key map (kbd "SPC") 'scroll-up)
-    (define-key map (kbd "DEL") 'scroll-down)
-    (define-key map (kbd "h") 'rt-liber-viewer-show-ticket-browser)
-    map)
-  "Key map for ticket viewer.")
-
-(define-derived-mode rt-liber-viewer-mode nil
-  "RT Liberation Viewer"
-  "Major Mode for viewing RT tickets.
-\\{rt-liber-viewer-mode-map}"
-  (set
-   (make-local-variable 'font-lock-defaults)
-   '((rt-liber-viewer-font-lock-keywords)))
-  (set (make-local-variable 'revert-buffer-function)
-       #'rt-liber-refresh-ticket-history)
-  (set (make-local-variable 'buffer-stale-function)
-       (lambda (&optional _noconfirm) 'slow))
-  (when rt-liber-jump-to-latest
-    (rt-liber-jump-to-latest-correspondence))
-  (run-hooks 'rt-liber-viewer-hook))
-
-
-;; wrapper functions around specific functions provided by a backend
-(declare-function
- rt-liber-gnus-compose-reply-to-requestor
- "rt-liberation-gnus.el")
-(declare-function
- rt-liber-gnus-compose-reply-to-requestor-to-this
- "rt-liberation-gnus.el")
-(declare-function
- rt-liber-gnus-compose-reply-to-requestor-verbatim-this
- "rt-liberation-gnus.el")
-(declare-function
- rt-liber-gnus-compose-provisional
- "rt-liberation-gnus.el")
-(declare-function
- rt-liber-gnus-compose-provisional-to-this
- "rt-liberation-gnus.el")
-(declare-function
- rt-liber-gnus-compose-comment
- "rt-liberation-gnus.el")
-(declare-function
- rt-liber-gnus-compose-comment-this
- "rt-liberation-gnus.el")
-
-(defun rt-liber-viewer-answer ()
-  "Answer the ticket."
-  (interactive)
-  (cond ((featurep 'rt-liberation-gnus)
-	 (rt-liber-gnus-compose-reply-to-requestor))
-	(t (error "no function defined"))))
-
-(defun rt-liber-viewer-answer-this ()
-  "Answer the ticket using the current context."
-  (interactive)
-  (cond ((featurep 'rt-liberation-gnus)
-	 (rt-liber-gnus-compose-reply-to-requestor-to-this))
-	(t (error "no function defined"))))
-
-(defun rt-liber-viewer-answer-verbatim-this ()
-  "Answer the ticket using the current context verbatim."
-  (interactive)
-  (cond ((featurep 'rt-liberation-gnus)
-	 (rt-liber-gnus-compose-reply-to-requestor-verbatim-this))
-	(t (error "no function defined"))))
-
-(defun rt-liber-viewer-answer-provisionally ()
-  "Provisionally answer the ticket."
-  (interactive)
-  (cond ((featurep 'rt-liberation-gnus)
-	 (rt-liber-gnus-compose-provisional))
-	(t (error "no function defined"))))
-
-(defun rt-liber-viewer-answer-provisionally-this ()
-  "Provisionally answer the ticket using the current context."
-  (interactive)
-  (cond ((featurep 'rt-liberation-gnus)
-	 (rt-liber-gnus-compose-provisional-to-this))
-	(t (error "no function defined"))))
-
-(defun rt-liber-viewer-comment ()
-  "Comment on the ticket."
-  (interactive)
-  (cond ((featurep 'rt-liberation-gnus)
-	 (rt-liber-gnus-compose-comment))
-	(t (error "no function defined"))))
-
-(defun rt-liber-viewer-comment-this ()
-  "Comment on the ticket using the current context."
-  (interactive)
-  (cond ((featurep 'rt-liberation-gnus)
-	 (rt-liber-gnus-compose-comment-this))
-	(t (error "no function defined"))))
-
-
-(provide 'rt-liberation-viewer)
-
-;;; rt-liberation-viewer.el ends here.