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;; Functions for interoperating with Trac
(require 'url)
(require 'cl)
(require 'org-mode)
; This must be set for anything to work.
; For example: "http://trac.mydomain.com/projects/foo-project/trac"
(defvar org-trac-base-url
"Specifies the base URL of the tract project you interoperate with"
nil)
(defun* org-trac-create-ticket (user summary description)
"This will create a ticket in the repository with the given name and
description, reported by user. It returns the ticket ID (as a
string)."
(let* ((new-ticket-url (concat org-trac-base-url "/newticket"))
(login-url (concat org-trac-base-url "/login"))
(login-response-buffer (url-retrieve-synchronously login-url))
(response-buffer1 (url-retrieve-synchronously new-ticket-url))
(form-token (save-excursion
(set-buffer response-buffer1)
(re-search-forward "name=\"__FORM_TOKEN\" value=\"\\(.*?\\)\"" nil t)
(match-string 1)))
(url-request-method "POST")
(post-data `(("field_reporter" . ,user)
("field_summary" . ,summary)
("field_description" . ,description)
("submit" . "Create ticket")
("__FORM_TOKEN" . ,form-token)))
(url-request-extra-headers
'(("Content-Type" . "application/x-www-form-urlencoded")))
(url-request-data
(mapconcat (lambda (post-data)
(concat (url-hexify-string (car post-data))
"="
(url-hexify-string (cdr post-data))))
post-data "&"))
(response-buffer2 (url-retrieve-synchronously new-ticket-url))
(new-ticket-id (save-excursion
(set-buffer response-buffer2)
(re-search-forward "Add/Change #\\([0-9]+\\)" nil t)
(match-string 1))))
(kill-buffer login-response-buffer)
(kill-buffer response-buffer1)
(kill-buffer response-buffer2)
new-ticket-id
))
; from https://github.com/jave/inkmacs/blob/master/inkmacs.el
(defun my-org-get-entry ()
"Get the entry text, after heading, to nex heading, or eof."
(save-excursion
(org-back-to-heading t)
(let ((p1 (point-at-bol 2))
(p2 (progn (forward-line) (search-forward "*" nil t))))
(setq p2 (if (null p2) (point-max)
(1- p2)))
(buffer-substring-no-properties p1 p2))))
(defun my-org-join-components (delim &rest components)
"Given components, remove nils, and concatenate the rest together
with the delimiter delim."
(mapconcat 'identity (remove-if 'null components) delim))
(defun my-org-heading-components ()
"A customised version of org-heading-components which more reliably
sets the return fields. Specifically, the 4th and 5th will always
be the headline and the tags, even if there are tags but no
headline."
(save-excursion
(org-back-to-heading t)
(when (let (case-fold-search) (looking-at org-complex-heading-regexp))
(let ((stars (match-string 1))
(todo (match-string 2))
(priority (match-string 3))
(headline (match-string 4))
(tags (match-string 5)))
(if (and (null tags)
(not (null headline))
(string-match-p "^:.*:$" headline))
(list stars todo priority nil headline) ; tags are in headline
(list stars todo priority headline tags))))))
(defun my-org-set-headline (text)
"Set the current entry's headline to the value of text"
(let ((components (my-org-heading-components)))
(unless (null components)
(save-excursion
(destructuring-bind
(stars todo priority headline tags)
components
(replace-match (my-org-join-components " " stars todo priority text tags) t t))))))
(defun org-trac-create-ticket-from-entry ()
"An interactive function which will create a ticket from the org entry at
point, and update the entry's heading to include the ticket number."
(interactive)
(destructuring-bind
(level reduced-level todo priority headline tags)
(org-heading-components)
(when (and (null tags) (> (length headline) 0) (string= (substring headline 0 1) ":"))
(setq headline ""))
(if (string-match "\\([^ \t]+\\)?#\\([0-9]+\\)" headline)
(message "headline refers to ticket #%d already" (match-string 0))
(let* ((description (my-org-get-entry))
(project "") ; for now
(user (cond
((boundp 'org-trac-user) org-trac-user)
((getenv "USER"))
(error "Cannot determing user name. Perhaps you should set org-trac-user.")))
(new-ticket-id (org-trac-create-ticket user headline description)))
(my-org-set-headline (format "%s#%s: %s" project new-ticket-id headline))
(message "created ticket %s#%s: %s" project new-ticket-id headline) ))))
; (org-trac-create-ticket "nick" "testing" "ignore this")