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org-chef-marmiton.el
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;;; org-chef-marmiton.el --- Functions for fetching recipes from marmiton.org. -*- lexical-binding: t; -*-
;; Copyright (C) 2018 Calvin Beck/Sébastien Le Maguer
;; Author: Calvin Beck <[email protected]>/Sébastien Le Maguer <[email protected]>
;; URL: https://github.com/Chobbes/org-chef
;; Created: 2018
;; Copyright 2018 Calvin Beck/Sébastien Le Maguer
;; Permission is hereby granted, free of charge, to any person
;; obtaining a copy of this software and associated documentation
;; files (the "Software"), to deal in the Software without
;; restriction, including without limitation the rights to use, copy,
;; modify, merge, publish, distribute, sublicense, and/or sell copies
;; of the Software, and to permit persons to whom the Software is
;; furnished to do so, subject to the following conditions:
;; The above copyright notice and this permission notice shall be
;; included in all copies or substantial portions of the Software.
;; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
;; EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
;; MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
;; NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
;; BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
;; ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
;; CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
;; SOFTWARE.
;;; Commentary:
;; Functions for fetching information from marmiton.org.
;;; Code:
(require 'org-chef-utils)
(require 'dom)
(defun org-chef-marmiton-sanitize (str)
"Sanitize the STR by removing beginning/trailing spaces extracted from a marmiton dom."
(replace-regexp-in-string "^[ \r\n]*\\(.*[^ \r\n]\\)[ \r\n]*$" "\\1" str))
(defun org-chef-marmiton-extract-dom-text (dom)
"Embedded the operation santize of dom-text from a marmiton DOM."
(org-chef-marmiton-sanitize (dom-texts dom)))
(defun org-chef-marmiton-extract-name (dom)
"Get the name of a recipe from a marmiton DOM."
(dom-text (car (dom-elements dom 'class "^main-title $"))))
(defun org-chef-marmiton-extract-current-ingredient (dom)
"Extract element for the current ingredient from a marmiton DOM."
(concat
(org-chef-marmiton-extract-dom-text (dom-elements dom 'class "^recipe-ingredient-qt$"))
" "
(org-chef-marmiton-extract-dom-text (dom-elements dom 'class "^ingredient$"))))
(defun org-chef-marmiton-extract-ingredients (dom)
"Get the ingredients for a recipe from a marmiton DOM."
(mapcar 'org-chef-marmiton-extract-current-ingredient (dom-elements dom 'class "^recipe-ingredients__list__item$")))
(defun org-chef-marmiton-extract-directions (dom)
"Get the directions for a recipe from a marmiton DOM."
(mapcar (lambda (x) (org-chef-marmiton-extract-dom-text (cddr x)))
(dom-elements dom 'class "^recipe-preparation__list__item$")))
(defun org-chef-marmiton-extract-prep-time (dom)
"Get the preparation time for a recipe from a marmiton DOM."
(org-chef-marmiton-extract-dom-text
(dom-elements (dom-elements dom 'class "recipe-infos__timmings__preparation")
'class "^recipe-infos__timmings__value$")))
(defun org-chef-marmiton-extract-cook-time (dom)
"Extract the cooking time for a recipe from a marmiton DOM."
(org-chef-marmiton-extract-dom-text
(dom-elements (dom-elements dom 'class "recipe-infos__timmings__cooking")
'class "^recipe-infos__timmings__value$")))
(defun org-chef-marmiton-extract-servings (dom)
(dom-text (car (dom-elements dom 'class "^title-2 recipe-infos__quantity__value$"))))
(defun org-chef-marmiton-from-dom (dom)
"Given a marmiton.org DOM, retrieve the recipe information.
This returns an alist with the following keys:
- name
- ingredients
- servings
- prep-time
- cook-time
- ready-in
- directions"
`((ingredients . ,(org-chef-marmiton-extract-ingredients dom))
(name . ,(org-chef-marmiton-extract-name dom))
(servings . ,(org-chef-marmiton-extract-servings dom))
(prep-time . ,(org-chef-marmiton-extract-prep-time dom))
(cook-time . ,(org-chef-marmiton-extract-cook-time dom))
(ready-in . nil)
(directions . ,(org-chef-marmiton-extract-directions dom))))
(defun org-chef-marmiton-fetch (url)
"Given a marmiton.org URL, retrieve the recipe information.
This returns an alist with the following keys:
- name
- ingredients
- servings
- prep-time
- cook-time
- ready-in
- directions
- source-url"
(with-current-buffer (org-chef-url-retrieve-synchronously url)
(let ((dom (libxml-parse-html-region (point-min) (point-max))))
(cons `(source-url . ,url) (org-chef-marmiton-from-dom dom)))))
(provide 'org-chef-marmiton)
;;; org-chef-marmiton.el ends here