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org-chef-reluctant-gourmet.el
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org-chef-reluctant-gourmet.el
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;;; org-chef-reluctant-gourmet.el --- Functions for fetching recipes from reluctantgourmet.com. -*- lexical-binding: t; -*-
;; Copyright (C) 2018 Calvin Beck
;; Author: Calvin Beck <hobbes@ualberta.ca>
;; URL: https://github.com/Chobbes/org-chef
;; Created: 2018
;; Copyright 2018 Calvin Beck
;; 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 reluctantgourmet.com.
;;; Code:
(require 'org-chef-utils)
(require 'dom)
(defun org-chef-reluctant-gourmet-extract-name (dom)
"Get the name of a recipe from an reluctantgourmet DOM."
(dom-text (car (dom-by-id dom "zlrecipe-title"))))
(defun org-chef-reluctant-gourmet-extract-ingredients (dom)
"Get the ingredients for a recipe from an reluctantgourmet DOM."
(mapcar #'(lambda (n) (string-trim (dom-text n))) (dom-by-class dom "^ingredient$")))
(defun org-chef-reluctant-gourmet-extract-servings (dom)
"Get the number of servings for a recipe from an reluctantgourmet DOM."
(dom-texts (car (dom-elements dom 'itemprop "^recipeYield$"))))
(defun org-chef-reluctant-gourmet-extract-prep-time (dom)
"Get the amount of prep-time for a recipe from an reluctantgourmet DOM."
(dom-texts (car (dom-elements dom 'itemprop "^prepTime$"))))
(defun org-chef-reluctant-gourmet-extract-cook-time (dom)
"Get the amount of cook-time for a recipe from an reluctantgourmet DOM."
(dom-texts (car (dom-elements dom 'itemprop "^cookTime$"))))
(defun org-chef-reluctant-gourmet-extract-ready-in (dom)
"Get the total amount of time for a recipe from an reluctantgourmet DOM."
(dom-texts (car (dom-elements dom 'itemprop "^totalTime$"))))
(defun org-chef-reluctant-gourmet-extract-directions (dom)
"Get the directions for a recipe from an reluctantgourmet DOM."
(mapcar #'dom-text (seq-filter (lambda (x) (not (stringp x)))
(dom-elements dom 'itemprop "^recipeInstructions$"))))
(defun org-chef-reluctant-gourmet-from-dom (dom)
"Given a reluctantgourmet.com DOM, retrieve the recipe information.
This returns an alist with the following keys:
- name
- ingredients
- servings
- prep-time
- cook-time
- ready-in
- directions"
(let* ((prep-time (org-chef-reluctant-gourmet-extract-prep-time dom))
(cook-time (org-chef-reluctant-gourmet-extract-cook-time dom))
(total-time (org-chef-reluctant-gourmet-extract-ready-in dom)))
`((ingredients . ,(org-chef-reluctant-gourmet-extract-ingredients dom))
(name . ,(org-chef-reluctant-gourmet-extract-name dom))
(servings . ,(org-chef-reluctant-gourmet-extract-servings dom))
(prep-time . ,prep-time)
(cook-time . ,cook-time)
(ready-in . ,total-time)
(directions . ,(org-chef-reluctant-gourmet-extract-directions dom)))))
(defun org-chef-reluctant-gourmet-fetch (url)
"Given a reluctantgourmet.com 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-reluctant-gourmet-from-dom dom)))))
(provide 'org-chef-reluctant-gourmet)
;;; org-chef-reluctant-gourmet.el ends here