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Diffstat (limited to 'rt-liberation-viewer.el')
| -rw-r--r-- | rt-liberation-viewer.el | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/rt-liberation-viewer.el b/rt-liberation-viewer.el new file mode 100644 index 0000000..e3b6309 --- /dev/null +++ b/rt-liberation-viewer.el @@ -0,0 +1,251 @@ +;;; 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) + + +(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-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-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))) + +(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)) + +(defun rt-liber-refresh-ticket-history (&optional _ignore-auto _noconfirm) + (interactive) + (if rt-liber-ticket-local + (rt-liber-display-ticket-history rt-liber-ticket-local + rt-liber-assoc-browser) + (error "not viewing a ticket"))) + +;; 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. |