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<title>[5420] sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/wcorg-subroles.php: WordCamp: Add mu-plugin framework for defining subroles</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="http://meta.trac.wordpress.org/changeset/5420">5420</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"http://meta.trac.wordpress.org/changeset/5420","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>coreymckrill</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2017-04-28 23:05:22 +0000 (Fri, 28 Apr 2017)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>WordCamp: Add mu-plugin framework for defining subroles
This allows us to give specific users specific sets of capabilities.
Eventually this might replace the `trusted-deputy-capabilities`
mu-plugin because this gives us more granular control and not every
deputy needs the same set of capabilities.</pre>
<h3>Added Paths</h3>
<ul>
<li><a href="#sitestrunkwordcamporgpublic_htmlwpcontentmupluginswcorgsubrolesphp">sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/wcorg-subroles.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="sitestrunkwordcamporgpublic_htmlwpcontentmupluginswcorgsubrolesphp"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/wcorg-subroles.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/wcorg-subroles.php (rev 0)
+++ sites/trunk/wordcamp.org/public_html/wp-content/mu-plugins/wcorg-subroles.php 2017-04-28 23:05:22 UTC (rev 5420)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,114 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * Define subroles and capabilities that can be assigned to specific WordCamp users.
+ *
+ * @package WordCamp\SubRoles
+ */
+
+namespace WordCamp\SubRoles;
+defined( 'WPINC' ) || die();
+
+/**
+ * Get any subroles assigned to a specific user.
+ *
+ * @param int $user_id The ID of the user to retrieve subroles for.
+ *
+ * @return array A list of subrole strings.
+ */
+function get_user_subroles( $user_id ) {
+ global $wcorg_subroles;
+
+ if ( is_array( $wcorg_subroles ) && isset( $wcorg_subroles[ $user_id ] ) ) {
+ return $wcorg_subroles[ $user_id ];
+ }
+
+ return array();
+}
+
+/**
+ * Add capabilities to a user depending on their subroles.
+ *
+ * @param array $allcaps The original list of caps for the given user.
+ * @param array $caps Unused.
+ * @param array $args Unused.
+ * @param \WP_User $user The user object.
+ *
+ * @return array The modified list of caps for the given user.
+ */
+function add_subrole_caps( $allcaps, $caps, $args, $user ) {
+ $subroles = get_user_subroles( $user->ID );
+
+ if ( empty( $subroles ) ) {
+ return $allcaps;
+ }
+
+ foreach ( $subroles as $subrole ) {
+ $newcaps = array();
+
+ switch ( $subrole ) {
+ case 'mentor_manager' :
+ // These capabilities only apply on central.wordcamp.org.
+ if ( BLOG_ID_CURRENT_SITE === get_current_blog_id() ) {
+ $newcaps = array(
+ 'read' => true, // Access to wp-admin.
+ 'edit_posts' => true, // Access to WCPT posts.
+ 'edit_published_posts' => true, // Access to WCPT posts.
+ 'wordcamp_manage_mentors' => true,
+ );
+ }
+ break;
+ }
+
+ $allcaps = array_merge( $allcaps, $newcaps );
+ }
+
+ return $allcaps;
+}
+
+add_filter( 'user_has_cap', __NAMESPACE__ . '\add_subrole_caps', 10, 4 );
+
+/**
+ * Capability mapping for subroles.
+ *
+ * @param array $primitive_caps The original list of primitive caps mapped to the given meta cap.
+ * @param string $meta_cap The meta cap in question.
+ * @param int $user_id The ID of the user.
+ * @param array $args Additional information for the cap.
+ *
+ * @return array The modified list of primitive caps mapped to the given meta cap.
+ */
+function map_subrole_caps( $primitive_caps, $meta_cap, $user_id, $args ) {
+ $required_caps = array();
+
+ switch ( $meta_cap ) {
+ case 'wordcamp_manage_mentors' :
+ $required_caps[] = $meta_cap;
+ break;
+
+ // Allow mentor managers to edit WCPT posts.
+ // @todo Change the capability type of WCPT to something custom so this isn't necessary.
+ case 'edit_post' :
+ case 'edit_others_posts' :
+ if ( defined( 'WCPT_POST_TYPE_ID' ) && current_user_can( 'wordcamp_manage_mentors' ) ) {
+ if ( ! empty( $args ) ) {
+ $post_type = get_post_type( $args[0] );
+ } else {
+ $post_type = get_post_type();
+ }
+
+ if ( WCPT_POST_TYPE_ID === $post_type ) {
+ $wcpt = get_post_type_object( WCPT_POST_TYPE_ID );
+ $required_caps[] = $wcpt->cap->edit_posts;
+ }
+ }
+ break;
+ }
+
+ if ( ! empty( $required_caps ) ) {
+ return $required_caps;
+ }
+
+ return $primitive_caps;
+}
+
+add_filter( 'map_meta_cap', __NAMESPACE__ . '\map_subrole_caps', 10, 4 );
</ins></span></pre>
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