Changeset 4323

Timestamp:

11/03/2012 10:14:32 AM (12 years ago)

Author:

johnjamesjacoby

Message:

Mentions:

• Add username @-mention filters.
• Automatically links to profiles when @username is used in a topic or reply content area.

Location:

trunk/includes/core

Files:

• filters.php (modified) (2 diffs)
• functions.php (modified) (1 diff)

trunk/includes/core/filters.php

@@ -128 +128 @@
 add_filter( 'bbp_get_reply_content', 'convert_smilies',    20   );
 add_filter( 'bbp_get_reply_content', 'wpautop',            30   );
+add_filter( 'bbp_get_reply_content', 'bbp_mention_filter', 40   );
 
 // Run filters on topic content
@@ -137 +138 @@
 add_filter( 'bbp_get_topic_content', 'convert_smilies',    20   );
 add_filter( 'bbp_get_topic_content', 'wpautop',            30   );
+add_filter( 'bbp_get_topic_content', 'bbp_mention_filter', 40   );
 
 // Add number format filter to functions requiring numeric output

trunk/includes/core/functions.php

@@ -282 +282 @@
 }
 
+/**
+ * Searches through the content to locate usernames, designated by an @ sign.
+ *
+ * @since bbPress (r4323)
+ *
+ * @param string $content The content
+ * @return bool|array $usernames Existing usernames. False if no matches.
+ */
+function bbp_find_mentions( $content = '' ) {
+    $pattern   = '/[@]+([A-Za-z0-9-_\.@]+)\b/';
+    preg_match_all( $pattern, $content, $usernames );
+    $usernames = array_unique( array_filter( $usernames[1] ) );
+
+    // Bail if no usernames
+    if ( empty( $usernames ) )
+        return false;
+
+    return $usernames;
+}
+
+/**
+ * Finds and links @-mentioned users in the content
+ *
+ * @since bbPress (r4323)
+ *
+ * @uses bbp_find_mentions() To get usernames in content areas
+ * @return string $content Content filtered for mentions
+ */
+function bbp_mention_filter( $content = '' ) {
+
+    // Get Usernames and bail if none exist
+    $usernames = bbp_find_mentions( $content );
+    if ( empty( $usernames ) )
+        return $content;
+
+    // Loop through usernames and link to profiles
+    foreach( (array) $usernames as $username ) {
+
+        // Skip if username does not exist or user is not active
+        $user_id = username_exists( $username );
+        if ( empty( $user_id ) || bbp_is_user_inactive( $user_id ) )
+            continue;
+
+        // Replace name in content
+        $content = preg_replace( '/(@' . $username . '\b)/', "<a href='" . bbp_get_user_profile_url( $user_id ) . "' rel='nofollow' class='bbp-mention-link $username'>@$username</a>", $content );
+    }
+
+    // Return modified content
+    return $content;
+}
+
 /** Post Statuses *************************************************************/