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<title>[580] sites/trunk/wordcamp.org/public_html/wp-content/plugins: WordCamp Wiki: Initial commit.</title>
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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://meta.trac.wordpress.org/changeset/580">580</a></dd>
<dt>Author</dt> <dd>iandunn</dd>
<dt>Date</dt> <dd>2014-04-30 18:43:56 +0000 (Wed, 30 Apr 2014)</dd>
</dl>
<h3>Log Message</h3>
<pre>WordCamp Wiki: Initial commit.</pre>
<h3>Added Paths</h3>
<ul>
<li>sites/trunk/wordcamp.org/public_html/wp-content/plugins/wordcamp-wiki/</li>
<li><a href="#sitestrunkwordcamporgpublic_htmlwpcontentpluginswordcampwikibootstrapphp">sites/trunk/wordcamp.org/public_html/wp-content/plugins/wordcamp-wiki/bootstrap.php</a></li>
<li>sites/trunk/wordcamp.org/public_html/wp-content/plugins/wordcamp-wiki/classes/</li>
<li><a href="#sitestrunkwordcamporgpublic_htmlwpcontentpluginswordcampwikiclasseswordcampwikiphp">sites/trunk/wordcamp.org/public_html/wp-content/plugins/wordcamp-wiki/classes/wordcamp-wiki.php</a></li>
<li>sites/trunk/wordcamp.org/public_html/wp-content/plugins/wordcamp-wiki/views/</li>
<li><a href="#sitestrunkwordcamporgpublic_htmlwpcontentpluginswordcampwikiviewsmetaboxwikiphp">sites/trunk/wordcamp.org/public_html/wp-content/plugins/wordcamp-wiki/views/metabox-wiki.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="sitestrunkwordcamporgpublic_htmlwpcontentpluginswordcampwikibootstrapphp"></a>
<div class="addfile"><h4>Added: sites/trunk/wordcamp.org/public_html/wp-content/plugins/wordcamp-wiki/bootstrap.php (0 => 580)</h4>
<pre class="diff"><span>
<span class="info">--- sites/trunk/wordcamp.org/public_html/wp-content/plugins/wordcamp-wiki/bootstrap.php (rev 0)
+++ sites/trunk/wordcamp.org/public_html/wp-content/plugins/wordcamp-wiki/bootstrap.php 2014-04-30 18:43:56 UTC (rev 580)
</span><span class="lines">@@ -0,0 +1,23 @@
</span><ins>+<?php
+
+/**
+ * Plugin Name: WordCamp Wiki
+ * Description: Allows Administrators to mark certain pages as being editable by Subscribers.
+ * Version: 0.1
+ * Author: WordCamp.org
+ */
+
+/*
+ * @todo
+ *
+ * Let users publish new pages if their parent is a wiki page.
+ *
+ * Automate adding subscribers to the site.
+ * Maybe a widget with a form that users can fill out.
+ * If they're not logged in, ask them to create a WordPress.org account and login.
+ * If they are, give them a button they can click to add to site.
+ * If they're already added, give them instructions on editing the page/
+ */
+
+require_once( __DIR__ . '/classes/wordcamp-wiki.php' );
+$GLOBALS['WordCamp_Wiki'] = new WordCamp_Wiki();
</ins></span></pre></div>
<a id="sitestrunkwordcamporgpublic_htmlwpcontentpluginswordcampwikiclasseswordcampwikiphp"></a>
<div class="addfile"><h4>Added: sites/trunk/wordcamp.org/public_html/wp-content/plugins/wordcamp-wiki/classes/wordcamp-wiki.php (0 => 580)</h4>
<pre class="diff"><span>
<span class="info">--- sites/trunk/wordcamp.org/public_html/wp-content/plugins/wordcamp-wiki/classes/wordcamp-wiki.php (rev 0)
+++ sites/trunk/wordcamp.org/public_html/wp-content/plugins/wordcamp-wiki/classes/wordcamp-wiki.php 2014-04-30 18:43:56 UTC (rev 580)
</span><span class="lines">@@ -0,0 +1,140 @@
</span><ins>+<?php
+
+/*
+ * Subscribers can edit any page that is marked as a Wiki, or whose parent/grandparent/etc is marked as a wiki.
+ * They can create new pages, but those pages will have to be approved by an Editor before being published.
+ */
+
+class WordCamp_Wiki {
+
+ /**
+ * Constructor
+ */
+ function __construct() {
+ add_action( 'add_meta_boxes', array( $this, 'add_meta_boxes' ) );
+ add_action( 'save_post', array( $this, 'save_post_meta' ), 10, 2 );
+ add_filter( 'user_has_cap', array( $this, 'allow_subscribers_edit_wiki_pages' ), 10, 4 );
+ }
+
+ /**
+ * Grant Subscribers the capabilities to edit pages marked as a wiki.
+ *
+ * @param array $caps
+ * @param array $meta_caps
+ * @param array $args
+ * @param WP_User $user
+ * @return array
+ */
+ public function allow_subscribers_edit_wiki_pages( $caps, $meta_caps, $args, $user ) {
+ if ( ! in_array( 'subscriber', $user->roles ) ) {
+ return $caps;
+ }
+
+ $edit_caps = array( 'edit_pages', 'edit_others_pages', 'edit_published_pages' );
+
+ if ( 'edit_post' == $args[0] && ! $this->user_can_edit_page( $args[2] ) ) {
+ $grant = false;
+ } else {
+ $grant = true;
+ }
+
+ foreach ( $edit_caps as $edit_cap ) {
+ $caps[ $edit_cap ] = $grant;
+ }
+
+ return $caps;
+ }
+
+ /**
+ * Determines whether or not the current user can edit the given page.
+ *
+ * They're allowed if it (or one of its parents) is marked as a wiki, or if they're the author.
+ *
+ * @param $post_id
+ * @return bool
+ */
+ protected function user_can_edit_page( $post_id ) {
+ $post = get_post( $post_id );
+
+ if ( get_current_user_id() == $post->post_author ) {
+ $can_edit = true;
+ } else {
+ do {
+ $can_edit = (bool) get_post_meta( $post->ID, '_wcw_is_wiki_page', true );
+
+ if ( $post->post_parent ) {
+ $post = get_post( $post->post_parent );
+ } else {
+ break;
+ }
+ } while ( ! $can_edit );
+ }
+
+ return $can_edit;
+ }
+
+ /**
+ * Adds a meta box to ask if the current page should be treated as a wiki
+ */
+ public function add_meta_boxes() {
+ add_meta_box(
+ 'wcw_wiki',
+ 'Wiki',
+ array( $this, 'render_meta_boxes' ),
+ 'page',
+ 'side'
+ );
+ }
+
+ /**
+ * Renders the markup for all meta boxes
+ *
+ * @param WP_Post $post
+ * @param array $box
+ */
+ public static function render_meta_boxes( $post, $box ) {
+ switch ( $box['id'] ) {
+ case 'wcw_wiki':
+ $is_wiki_page = (bool) get_post_meta( $post->ID, '_wcw_is_wiki_page', true );
+ $view = 'metabox-wiki.php';
+ break;
+
+ default:
+ $view = false;
+ break;
+ }
+
+ if ( $view ) {
+ require_once( dirname( __DIR__ ) . '/views/' . $view );
+ }
+ }
+
+ /**
+ * Saves meta field values when a page is saved.
+ *
+ * @param int $post_id
+ * @param WP_Post $post
+ */
+ public static function save_post_meta( $post_id, $revision ) {
+ global $post;
+ $ignored_actions = array( 'trash', 'untrash', 'restore' );
+
+ if ( isset( $_GET['action'] ) && in_array( $_GET['action'], $ignored_actions ) ) {
+ return;
+ }
+
+ if ( ! $post || $post->post_type != 'page' || ! current_user_can( 'edit_post', $post_id ) ) {
+ return;
+ }
+
+ if ( ( defined( 'DOING_AUTOSAVE' ) && DOING_AUTOSAVE ) || $post->post_status == 'auto-draft' ) {
+ return;
+ }
+
+ if ( isset( $_POST['wcw_is_wiki_page'] ) ) {
+ update_post_meta( $post_id, '_wcw_is_wiki_page', (bool) $_POST['wcw_is_wiki_page'] );
+ } else {
+ delete_post_meta( $post_id, '_wcw_is_wiki_page' );
+ }
+ }
+}
</ins></span></pre></div>
<a id="sitestrunkwordcamporgpublic_htmlwpcontentpluginswordcampwikiviewsmetaboxwikiphp"></a>
<div class="addfile"><h4>Added: sites/trunk/wordcamp.org/public_html/wp-content/plugins/wordcamp-wiki/views/metabox-wiki.php (0 => 580)</h4>
<pre class="diff"><span>
<span class="info">--- sites/trunk/wordcamp.org/public_html/wp-content/plugins/wordcamp-wiki/views/metabox-wiki.php (rev 0)
+++ sites/trunk/wordcamp.org/public_html/wp-content/plugins/wordcamp-wiki/views/metabox-wiki.php 2014-04-30 18:43:56 UTC (rev 580)
</span><span class="lines">@@ -0,0 +1,13 @@
</span><ins>+<table id="wcw_metabox_wiki" class="form-table">
+ <tbody>
+ <tr>
+ <td>
+ <input id="wcw_is_wiki_page" name="wcw_is_wiki_page" type="checkbox" <?php checked( $is_wiki_page, true ); ?> />
+
+ <label for="wcw_is_wiki_page">
+ <?php _e( 'Treat this page as a wiki.', 'wordcamp' ); ?>
+ </label>
+ </td>
+ </tr>
+ </tbody>
+</table>
</ins></span></pre>
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