From 12dea3832c541e68c2e3382e3e8487662bb5b628 Mon Sep 17 00:00:00 2001
From: rboren <rboren@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Fri, 4 Jun 2004 02:36:46 +0000
Subject: [PATCH] Add %category% support to get_permalink.

git-svn-id: http://svn.automattic.com/wordpress/trunk@1385 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/template-functions-category.php | 13 +++--
 wp-includes/template-functions-links.php    | 63 +++++++++------------
 2 files changed, 37 insertions(+), 39 deletions(-)

diff --git a/wp-includes/template-functions-category.php b/wp-includes/template-functions-category.php
index a4bb9a4796..47e93c1fcc 100644
--- a/wp-includes/template-functions-category.php
+++ b/wp-includes/template-functions-category.php
@@ -1,14 +1,19 @@
 <?php
 
-function get_the_category() {
+function get_the_category($id = false) {
     global $post, $wpdb, $category_cache;
-    if ($category_cache[$post->ID]) {
-        return $category_cache[$post->ID];
+
+    if (! $id) {
+        $id = $post->ID;
+    }
+
+    if ($category_cache[$id]) {
+        return $category_cache[$id];
     } else {
         $categories = $wpdb->get_results("
             SELECT category_id, cat_name, category_nicename, category_description, category_parent
             FROM  $wpdb->categories, $wpdb->post2cat
-            WHERE $wpdb->post2cat.category_id = cat_ID AND $wpdb->post2cat.post_id = $post->ID
+            WHERE $wpdb->post2cat.category_id = cat_ID AND $wpdb->post2cat.post_id = $id
             ");
     
         return $categories;
diff --git a/wp-includes/template-functions-links.php b/wp-includes/template-functions-links.php
index e2b0657838..a66d87a6ba 100644
--- a/wp-includes/template-functions-links.php
+++ b/wp-includes/template-functions-links.php
@@ -38,43 +38,36 @@ function get_permalink($id=false) {
 		'%minute%',
 		'%second%',
         '%postname%',
-        '%post_id%'
+        '%post_id%',
+        '%category%'
     );
-    if (!$id) {
-        if ('' != get_settings('permalink_structure')) {
-	    $unixtime = strtotime($post->post_date);
-            $rewritereplace = array(
-                date('Y', $unixtime),
-                date('m', $unixtime),
-                date('d', $unixtime),
-				date('H', $unixtime),
-				date('i', $unixtime),
-				date('s', $unixtime),
-                $post->post_name,
-                $post->ID
-            );
-            return get_settings('home') . str_replace($rewritecode, $rewritereplace, get_settings('permalink_structure'));
-        } else { // if they're not using the fancy permalink option
-            return get_settings('home') . '/' . get_settings('blogfilename').$querystring_start.'p'.$querystring_equal.$post->ID;
-        }
-    } else { // if an ID is given
-        $idpost = $wpdb->get_row("SELECT post_date, post_name FROM $wpdb->posts WHERE ID = $id");
-        if ('' != get_settings('permalink_structure')) {
+
+    if ($id) {
+        $idpost = $wpdb->get_row("SELECT ID, post_date, post_name FROM $wpdb->posts WHERE ID = $id");
+    } else {
+        $idpost = $post;
+    }
+       
+    if ('' != get_settings('permalink_structure')) {
 	    $unixtime = strtotime($idpost->post_date);
-            $rewritereplace = array(
-                date('Y', $unixtime),
-                date('m', $unixtime),
-                date('d', $unixtime),
-				date('H', $unixtime),
-				date('i', $unixtime),
-				date('s', $unixtime),
-                $idpost->post_name,
-                $id
-            );
-            return get_settings('home') . str_replace($rewritecode, $rewritereplace, get_settings('permalink_structure'));
-        } else {
-            return get_settings('home') . '/' . get_settings('blogfilename').$querystring_start.'p'.$querystring_equal.$id;
-        }
+
+        $cats = get_the_category($idpost->ID);
+        $category = $cats[0]->category_nicename;
+
+        $rewritereplace = array(
+                                date('Y', $unixtime),
+                                date('m', $unixtime),
+                                date('d', $unixtime),
+                                date('H', $unixtime),
+                                date('i', $unixtime),
+                                date('s', $unixtime),
+                                $idpost->post_name,
+                                $idpost->ID,
+                                $category
+                                );
+        return get_settings('home') . str_replace($rewritecode, $rewritereplace, get_settings('permalink_structure'));
+    } else { // if they're not using the fancy permalink option
+        return get_settings('home') . '/' . get_settings('blogfilename').$querystring_start.'p'.$querystring_equal.$idpost->ID;
     }
 }