legacy-dotfiles/emacs/.emacs.d/site-lisp/pivot.el
2014-09-22 21:34:35 +02:00

118 lines
3.6 KiB
EmacsLisp

;;; pivot.el --- Elisp library for the Pivotal Tracker API -*- lexical-binding: t; -*-
;; Copyright (C) 2014 Tom Willemse
;; Author: Tom Willemse <tom@ryuslash.org>
;; Keywords: comm, hypermedia
;; 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 'json)
(require 'url)
(defgroup pivotel nil
"Communicate with Pivotal Tracker."
:group 'external)
(defcustom pivotel-api-token nil
"API token from Pivotal Tracker.
From Pivotal Tracker: Your token enables access to your project
and story data via the API, and needs to be kept private."
:group 'pivotel)
(defvar pivotel-api-url
"https://www.pivotaltracker.com/services/v5"
"Base URL of the Pivotal Tracker API.
Does not need a final `/'.")
(defvar pivotel-user-id nil
"The user id of the current user.")
(defvar pivotel-projects nil
"The projects from the current user.")
(defmacro with-pivotel-headers (headers &rest body)
"Add `X-TrackerTocken' to HEADERS and bind them around BODY."
(declare (indent 1))
`(let ((url-request-extra-headers
(append (list (cons "X-TrackerToken" pivotel-api-token))
,headers)))
,@body))
(defun pivotel--retrieve-from (url)
"Retrieve data from URL."
(with-current-buffer
(url-retrieve-synchronously (concat pivotel-api-url url))
(goto-char (point-min))
(search-forward "\n\n")
(let ((results (json-read)))
(kill-buffer)
results)))
(defun pivotel-get-story (project story)
"Get data from PROJECT for STORY."
(with-pivotel-headers nil
(pivotel--retrieve-from
(format "/projects/%d/stories/%d" project story))))
(defun pivotel-get-projects ()
"Get a list of all projects."
(or pivotel-projects
(setq pivotel-projects
(with-pivotel-headers nil
(pivotel--retrieve-from "/projects")))))
(defun pivotel-get-stories (project)
"Get a list of all stories in PROJECT."
(with-pivotel-headers nil
(pivotel--retrieve-from (format "/projects/%d/stories" project))))
(defun pivotel-get-me ()
"Get information about currently logged-in user."
(with-pivotel-headers nil (pivotel--retrieve-from "/me")))
(defun pivotel-get-me-id ()
"Get and cache the current user's id."
(or pivotel-user-id
(setq pivotel-user-id
(cdr (assoc 'id (pivotel-get-me))))))
(defun pivotel-get-all-stories ()
"Get all stories for the current user."
(let ((project-ids (mapcar (lambda (itm) (cdr (assoc 'id itm)))
(pivotel-get-projects))))
(apply #'append
(append (mapcar #'pivotel-get-stories project-ids) '(nil)))))
(defun pivotel--my-story-p (story)
"Check whether or not STORY belongs to the current user."
(memql (pivotel-get-me-id)
(append (cdr (assoc 'owner_ids story)) '(nil))))
(defun pivotel-get-my-owned-stories ()
"Get the stories for which the user is an owner."
(let ((stories (pivotel-get-all-stories)))
(delq nil
(mapcar (lambda (itm) (when (pivotel--my-story-p itm) itm))
stories))))
(provide 'pivot)
;;; pivot.el ends here