84 lines
2.7 KiB
EmacsLisp
84 lines
2.7 KiB
EmacsLisp
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;;; sx-favorites.el --- starred questions -*- lexical-binding: t; -*-
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;; Copyright (C) 2014 Sean Allred
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;; Author: Sean Allred <code@seanallred.com>
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with this program. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;; This file provides logic for retrieving and managing a user's
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;; starred questions.
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;;; Code:
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(require 'sx-method)
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(require 'sx-cache)
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(require 'sx-site)
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(require 'sx-networks)
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(require 'sx-filter)
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(defconst sx-favorite-list-filter
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(sx-filter-from-nil
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(question.question_id)))
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(defvar sx-favorites--user-favorite-list nil
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"Alist of questions favorited by the user.
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Each element has the form (SITE FAVORITE-LIST). And each element
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in FAVORITE-LIST is the numerical QUESTION_ID.")
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(defun sx-favorites--initialize ()
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"Ensure question-favorites cache is available.
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Added as hook to initialization."
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(or (setq sx-favorites--user-favorite-list
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(sx-cache-get 'question-favorites))
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(sx-favorites-update)))
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;; ;; Append to ensure `sx-network--initialize' is run before it.
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;; This is removed for now because it performs a lot of API calls and
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;; was never used.
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;; (add-hook 'sx-init--internal-hook #'sx-favorites--initialize 'append)
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(defun sx-favorites--retrieve-favorites (site)
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"Obtain list of starred QUESTION_IDs for SITE."
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(sx-method-call 'me
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:submethod 'favorites
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:site site
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:filter sx-favorite-list-filter
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:auth t))
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(defun sx-favorites--update-site-favorites (site)
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"Update list of starred QUESTION_IDs for SITE.
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Writes list to cache QUESTION-FAVORITES."
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(let* ((favs (sx-favorites--retrieve-favorites site))
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(site-cell (assoc site
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sx-favorites--user-favorite-list))
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(fav-cell (mapcar #'cdar favs)))
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(if site-cell
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(setcdr site-cell fav-cell)
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(push (cons site fav-cell) sx-favorites--user-favorite-list))
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(sx-cache-set 'question-favorites sx-favorites--user-favorite-list)))
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(defun sx-favorites-update ()
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"Update all sites retrieved from `sx-network--user-sites'."
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(mapc #'sx-favorites--update-site-favorites
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sx-network--user-sites))
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(provide 'sx-favorites)
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;;; sx-favorites.el ends here
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;; Local Variables:
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;; indent-tabs-mode: nil
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;; End:
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