Permalinks for custom post types. Props prettyboymp. see #9674

git-svn-id: http://svn.automattic.com/wordpress/trunk@12923 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/classes.php

@@ -26,7 +26,7 @@ class WP {
 	 * @access public
 	 * @var array
 	 */
-	var $public_query_vars = array('m', 'p', 'posts', 'w', 'cat', 'withcomments', 'withoutcomments', 's', 'search', 'exact', 'sentence', 'debug', 'calendar', 'page', 'paged', 'more', 'tb', 'pb', 'author', 'order', 'orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'tag', 'feed', 'author_name', 'static', 'pagename', 'page_id', 'error', 'comments_popup', 'attachment', 'attachment_id', 'subpost', 'subpost_id', 'preview', 'robots', 'taxonomy', 'term', 'cpage');
+	var $public_query_vars = array('m', 'p', 'posts', 'w', 'cat', 'withcomments', 'withoutcomments', 's', 'search', 'exact', 'sentence', 'debug', 'calendar', 'page', 'paged', 'more', 'tb', 'pb', 'author', 'order', 'orderby', 'year', 'monthnum', 'day', 'hour', 'minute', 'second', 'name', 'category_name', 'tag', 'feed', 'author_name', 'static', 'pagename', 'page_id', 'error', 'comments_popup', 'attachment', 'attachment_id', 'subpost', 'subpost_id', 'preview', 'robots', 'taxonomy', 'term', 'cpage', 'post_type');
 
 	/**
 	 * Private query variables.
@@ -203,9 +203,8 @@ class WP {
 
 				// If the requesting file is the anchor of the match, prepend it
 				// to the path info.
-				if ((! empty($req_uri)) && (strpos($match, $req_uri) === 0) && ($req_uri != $request)) {
+				if ( (! empty($req_uri)) && (strpos($match, $req_uri) === 0) && ($req_uri != $request) )
 					$request_match = $req_uri . '/' . $request;
-				}
 
 				if ( preg_match("#^$match#", $request_match, $matches) ||
 					preg_match("#^$match#", urldecode($request_match), $matches) ) {
@@ -256,6 +255,10 @@ class WP {
 			if ( $t->query_var )
 				$taxonomy_query_vars[$t->query_var] = $taxonomy;
 
+		foreach ( $GLOBALS['wp_post_types'] as $post_type => $t )
+			if ( $t->query_var )
+				$post_type_query_vars[$t->query_var] = $post_type;
+
 		for ( $i = 0; $i < count($this->public_query_vars); $i += 1 ) {
 			$wpvar = $this->public_query_vars[$i];
 			if ( isset($this->extra_query_vars[$wpvar]) )
@@ -274,10 +277,20 @@ class WP {
 				if ( in_array( $wpvar, $taxonomy_query_vars ) ) {
 					$this->query_vars['taxonomy'] = $taxonomy_query_vars[$wpvar];
 					$this->query_vars['term'] = $this->query_vars[$wpvar];
+				} elseif ( in_array( $wpvar, $post_type_query_vars ) ) {
+					$this->query_vars['post_type'] = $post_type_query_vars[$wpvar];
+					$this->query_vars['name'] = $this->query_vars[$wpvar];
 				}
 			}
 		}
 
+		// Limit publicly queried post_types to those that are publicly_queryable
+		if ( isset( $this->query_vars['post_type']) ) {
+			$queryable_post_types =  get_post_types( array('publicly_queryable' => true) );
+			if ( ! in_array( $this->query_vars['post_type'], $queryable_post_types ) )
+				unset( $this->query_vars['post_type'] );
+		}
+
 		foreach ( (array) $this->private_query_vars as $var) {
 			if ( isset($this->extra_query_vars[$var]) )
 				$this->query_vars[$var] = $this->extra_query_vars[$var];

wp-includes/link-template.php

@@ -106,6 +106,8 @@ function get_permalink($id = 0, $leavename = false) {
 		return get_page_link($post->ID, $leavename, $sample);
 	elseif ( $post->post_type == 'attachment' )
 		return get_attachment_link($post->ID);
+	elseif ( in_array($post->post_type, get_post_types( array('_builtin' => false) ) ) )
+		return get_post_link($post);
 
 	$permalink = get_option('permalink_structure');
 
@@ -159,6 +161,43 @@ function get_permalink($id = 0, $leavename = false) {
 	}
 }
 
+/**
+ * Retrieve the permalink for a post with a custom post type.
+ *
+ * @since 3.0.0
+ *
+ * @param int $id Optional. Post ID.
+ * @param bool $leavename Optional, defaults to false. Whether to keep post name.
+ * @param bool $sample Optional, defaults to false. Is it a sample permalink.
+ * @return string
+ */
+function get_post_link( $id = 0, $leavename = false, $sample = false  ) {
+	global $wp_rewrite;
+
+	$post = &get_post($id);
+
+	if ( is_wp_error( $post ) )
+		return $post;
+
+	$post_link = $wp_rewrite->get_extra_permastruct($post->post_type);
+
+	$slug = $post->post_name;
+
+	if ( !empty($post_link) && ( ( isset($post->post_status) && 'draft' != $post->post_status && 'pending' != $post->post_status ) || $sample ) ) {
+		$post_link = ( $leavename ) ? $post_link : str_replace("%$post->post_type%", $slug, $post_link);
+		$post_link = home_url( user_trailingslashit($post_link) );
+	} else {
+		$post_type = get_post_type_object($post->post_type);
+		if ( $post_type->query_var && ( isset($post->post_status) && 'draft' != $post->post_status && 'pending' != $post->post_status ) )
+			$post_link = "?$post_type->query_var=$slug";
+		else
+			$post_link = "?post_type=$post->post_type&p=$post->ID";
+		$post_link = home_url($post_link);
+	}
+
+	return apply_filters('post_type_link', $post_link, $id);
+}
+
 /**
  * Retrieve permalink from post ID.
  *

wp-includes/post.php

@@ -16,20 +16,26 @@
  */
 function create_initial_post_types() {
 	register_post_type( 'post', array(	'label' => __('Posts'),
+										'publicly_queryable' => true,
 										'exclude_from_search' => false,
 										'_builtin' => true,
 										'_edit_link' => 'post.php?post=%d',
 										'capability_type' => 'post',
 										'hierarchical' => false,
+										'rewrite' => false,
+										'query_var' => false,
 										'supports' => array('post-thumbnails', 'excerpts', 'trackbacks', 'custom-fields', 'comments', 'revisions')
 									) );
 
 	register_post_type( 'page', array(	'label' => __('Pages'),
+										'publicly_queryable' => true,
 										'exclude_from_search' => false,
 										'_builtin' => true,
 										'_edit_link' => 'post.php?post=%d',
 										'capability_type' => 'page',
 										'hierarchical' => true,
+										'rewrite' => false,
+										'query_var' => false,
 										'supports' => array('post-thumbnails', 'page-attributes', 'custom-fields', 'comments', 'revisions')
 									) );
 
@@ -38,7 +44,9 @@ function create_initial_post_types() {
 											'_builtin' => true,
 											'_edit_link' => 'media.php?attachment_id=%d',
 											'capability_type' => 'post',
-											'hierarchical' => false
+											'hierarchical' => false,
+											'rewrite' => false,
+											'query_var' => false,
 										) );
 
 	register_post_type( 'revision', array(	'label' => __('Revisions'),
@@ -46,7 +54,9 @@ function create_initial_post_types() {
 											'_builtin' => true,
 											'_edit_link' => 'revision.php?revision=%d',
 											'capability_type' => 'post',
-											'hierarchical' => false
+											'hierarchical' => false,
+											'rewrite' => false,
+											'query_var' => false,
 										) );
 
 	register_post_status( 'publish', array(	'label' => _x('Published', 'post'),
@@ -686,7 +696,8 @@ function get_post_types( $args = array(), $output = 'names' ) {
  *
  * label - A descriptive name for the post type marked for translation. Defaults to $post_type.
  * public - Whether posts of this type should be shown in the admin UI. Defaults to false.
- * exclude_from_search - Whether to exclude posts with this post type from search results. Defaults to true.
+ * exclude_from_search - Whether to exclude posts with this post type from search results. Defaults to true if the type is not public, false if the type is public.
+ * publicly_queryable - Whether post_type queries can be performed from the front page.  Defaults to whatever public is set as.
  * inherit_type - The post type from which to inherit the edit link and capability type. Defaults to none.
  * capability_type - The post type to use for checking read, edit, and delete capabilities. Defaults to "post".
  * hierarchical - Whether the post type is hierarchical. Defaults to false.
@@ -701,19 +712,27 @@ function get_post_types( $args = array(), $output = 'names' ) {
  * @param array|string $args See above description.
  */
 function register_post_type($post_type, $args = array()) {
-	global $wp_post_types;
+	global $wp_post_types, $wp_rewrite, $wp;
 
 	if ( !is_array($wp_post_types) )
 		$wp_post_types = array();
 
 	// Args prefixed with an underscore are reserved for internal use.
-	$defaults = array('label' => false, 'exclude_from_search' => true, '_builtin' => false, '_edit_link' => 'post.php?post=%d', 'capability_type' => 'post', 'hierarchical' => false, 'public' => false, '_show' => false, 'supports' => array());
+	$defaults = array('label' => false, 'publicly_queryable' => null, 'exclude_from_search' => null, '_builtin' => false, '_edit_link' => 'post.php?post=%d', 'capability_type' => 'post', 'hierarchical' => false, 'public' => false, '_show' => false, 'rewrite' => true, 'query_var' => true, 'supports' => array());
 	$args = wp_parse_args($args, $defaults);
 	$args = (object) $args;
 
 	$post_type = sanitize_user($post_type, true);
 	$args->name = $post_type;
 
+	// If not set, default to the setting for public.
+	if ( null === $args->publicly_queryable )
+		$args->publicly_queryable = $args->public;
+
+	// If not set, default to true if not public, false if public.
+	if ( null === $args->exclude_from_search )
+		$args->exclude_from_search = !$args->public;
+
 	if ( false === $args->label )
 		$args->label = $post_type;
 
@@ -735,6 +754,24 @@ function register_post_type($post_type, $args = array()) {
 		unset($args->supports);
 	}
 
+	if ( false !== $args->query_var && !empty($wp) ) {
+		if ( true === $args->query_var )
+			$args->query_var = $post_type;
+		$args->query_var = sanitize_title_with_dashes($args->query_var);
+		$wp->add_query_var($args->query_var);
+	}
+
+	if ( false !== $args->rewrite && '' != get_option('permalink_structure') ) {
+		if ( !is_array($args->rewrite) )
+			$args->rewrite = array();
+		if ( !isset($args->rewrite['slug']) )
+			$args->rewrite['slug'] = $post_type;
+		if ( !isset($args->rewrite['with_front']) )
+			$args->rewrite['with_front'] = true;
+		$wp_rewrite->add_rewrite_tag("%$post_type%", '([^/]+)', $args->query_var ? "{$args->query_var}=" : "post_type=$post_type&name=");
+		$wp_rewrite->add_permastruct($post_type, "/{$args->rewrite['slug']}/%$post_type%", $args->rewrite['with_front']);
+	}
+
 	$wp_post_types[$post_type] = $args;
 
 	return $args;