Changeset 10599

Timestamp:

01/19/2021 07:09:47 AM (4 years ago)

Author:

dd32

Message:

Support Forums: Limit new tag creation to moderators.

Props Clorith.
See #5344.

File:

• sites/trunk/wordpress.org/public_html/wp-content/plugins/support-forums/inc/class-performance-optimizations.php (modified) (2 diffs)

sites/trunk/wordpress.org/public_html/wp-content/plugins/support-forums/inc/class-performance-optimizations.php

@@ -53 +53 @@
         add_filter( 'bbp_get_subscribers', array( $this, 'bbp_get_subscribers' ), 10, 3 ); // bbPress 2.6
         add_filter( 'bbp_get_user_subscribe_link', array( $this, 'bbp_get_user_subscribe_link' ), 10, 4 ); // Remove link.
+
+        // Disable new tag creation for non-moderators.
+        add_filter( 'bbp_new_topic_pre_insert',        array( $this, 'limit_topic_tag_creation' ) );
+        add_filter( 'bbp_edit_topic_pre_insert',       array( $this, 'limit_topic_tag_creation' ) );
+        add_filter( 'bbp_new_reply_pre_set_terms',     array( $this, 'limit_topic_reply_tag_creation' ) );
+        add_filter( 'bbp_edit_reply_pre_set_terms',    array( $this, 'limit_topic_reply_tag_creation' ) );
+
     }
 
@@ -466 +473 @@
         return $html;
     }
+
+    /**
+     * Limit the creation of new tags to moderators or above.
+     *
+     * This curates the list of tags, keeping the tag list short and relevant.
+     *
+     * @param array $topic Array of post details.
+     *
+     * @return array Filtered post details array.
+     */
+    public function limit_topic_tag_creation( $topic ) {
+        // Only affect the topic post type.
+        if ( bbp_get_topic_post_type() !== $topic['post_type'] ) {
+            return $topic;
+        }
+
+        // Do not modify anything if the user has moderator capabilities.
+        if ( current_user_can( 'moderate' ) ) {
+            return $topic;
+        }
+
+        $existing_tags = array();
+
+        $taxonomy = bbp_get_topic_tag_tax_slug();
+
+        if ( ! empty( $topic['tax_input'][ $taxonomy ] ) ) {
+            // Loop through the proposed terms
+            foreach ( $topic['tax_input'][ $taxonomy ] as $i => $term ) {
+                if ( ! term_exists( $term, $taxonomy ) ) {
+                    // ..and remove anything that doesn't exist.
+                    unset( $topic['tax_input'][ $taxonomy ][ $i ] );
+                }
+            }
+        }
+
+        return $topic;
+    }
+
+    /**
+     * Limit the creation of new tags to moderators or above.
+     *
+     * This curates the list of tags, keeping the tag list short and relevant.
+     *
+     * @param array|string $terms Array of terms to apply to a topic.
+     *
+     * @return array|string Filtered array of terms to apply to a topic.
+     */
+    public function limit_topic_reply_tag_creation( $terms ) {
+        // Do not modify anything if the user has moderator capabilities.
+        if ( current_user_can( 'moderate' ) ) {
+            return $terms;
+        }
+
+        if ( ! is_array( $terms ) ) {
+            $terms = explode( ',', trim( $terms, " \n\t\r\0\x0B," ) );
+        }
+
+        $existing_terms = array();
+
+        // Loop through the proposed tags and keep only the existing ones.
+        foreach ( $terms as $term ) {
+            if ( term_exists( $term, bbp_get_topic_tag_tax_id() ) ) {
+                $existing_terms[] = $term;
+            }
+        }
+
+        // Return a string if the input value was one.
+        if ( ! is_array( $terms ) ) {
+            return implode( ', ', $terms );
+        }
+
+        return $existing_terms;
+    }
+
 }