source: trunk/www.guidonia.net/wp/wp-content/plugins/jadedcoder-sticky-permalinks/Jcsp.php@ 44

Last change on this file since 44 was 44, checked in by luciano, 14 years ago
File size: 7.9 KB
Line 
1<?php
2define( 'JCSP_DB_VERSION', '0.1beta' );
3
4class Jcsp
5{
6 public function getPostArchiveTableName()
7 {
8 global $wpdb;
9 return $wpdb->prefix . 'jcsp_post_permalinks';
10 }
11
12 public function getCategoryArchiveTableName()
13 {
14 global $wpdb;
15 return $wpdb->prefix . 'jcsp_category_permalinks';
16 }
17
18 public function getPostPermalink( $postId )
19 {
20 $permalink = get_permalink( $postId );
21
22 //cut out the http://domain.com/
23 $permalink = explode( '/', $permalink );
24 array_shift( $permalink );
25 array_shift( $permalink );
26 array_shift( $permalink );
27 $permalink = implode( '/', $permalink );
28
29 if( substr( $permalink, -1 ) == '/' )
30 {
31 $permalink = substr( $permalink, 0, -1 );
32 }
33
34 return $permalink;
35 }
36
37 public function getCategoryPermalink( $categoryId )
38 {
39 global $wpdb;
40 $permalink = get_category_link( $categoryId );
41
42 //TODO: This is a little hack that gives a permalink as it will be AFTER the new category is saved, due to the fact that wordpress for some reason calls the edit_category action BEFORE the data is saved... If wp ever decides to change field names then this will break... But I doubt that
43 if( isset( $_POST[ 'category_nicename' ] ) )
44 {
45 $category = $wpdb->get_results( 'SELECT category_nicename FROM ' . $wpdb->categories . ' WHERE cat_ID = ' . $categoryId );
46 $permalink = str_replace( $category->category_nicename, $_POST[ 'category_nicename' ], $permalink );
47 }
48
49 //cut out the http://domain.com/
50 $permalink = explode( '/', $permalink );
51 array_shift( $permalink );
52 array_shift( $permalink );
53 array_shift( $permalink );
54 $permalink = implode( '/', $permalink );
55
56 if( substr( $permalink, -1 ) == '/' )
57 {
58 $permalink = substr( $permalink, 0, -1 );
59 }
60
61 return $permalink;
62 }
63
64 public function postUpdated( $postId )
65 {
66 global $wpdb;
67 $permalink = $this->getPostPermalink( $postId );
68 $exists = $wpdb->get_results( 'SELECT post_id FROM ' . $this->getPostArchiveTableName() . ' WHERE post_permalink = "' . $wpdb->escape( $permalink ) . '"' );
69 if( count( $exists ) > 0 )
70 {
71 $wpdb->query( 'UPDATE ' . $this->getPostArchiveTableName() . ' SET post_id = ' . $postId . ' WHERE post_permalink = "' . $wpdb->escape( $permalink ) . '"' );
72 }
73 else
74 {
75 $wpdb->query( 'INSERT INTO ' . $this->getPostArchiveTableName() . ' ( post_id, post_permalink ) VALUES ( ' . $postId . ', "' . $wpdb->escape( $permalink ) . '")' );
76 }
77 }
78
79 public function categoryUpdated( $categoryId )
80 {
81 global $wpdb;
82 $posts = $wpdb->get_results( 'SELECT post_id FROM ' . $wpdb->post2cat . ' WHERE category_id = ' . $categoryId );
83 foreach( $posts as $post )
84 {
85 $this->postUpdated( $post->post_id );
86 }
87 $permalink = $this->getCategoryPermalink( $categoryId );
88 $exists = $wpdb->get_results( 'SELECT category_id FROM ' . $this->getCategoryArchiveTableName() . ' WHERE category_permalink = "' . $wpdb->escape( $permalink ) . '"' );
89 if( count( $exists ) > 0 )
90 {
91 $wpdb->query( 'UPDATE ' . $this->getCategoryArchiveTableName() . ' SET category_id = ' . $categoryId . ' WHERE category_permalink = "' . $wpdb->escape( $permalink ) . '"' );
92 }
93 else
94 {
95 $wpdb->query( 'INSERT INTO ' . $this->getCategoryArchiveTableName() . ' ( category_id, category_permalink ) VALUES ( ' . $categoryId . ', "' . $wpdb->escape( $permalink ) . '")' );
96 }
97 }
98
99 function ensureTables()
100 {
101 $this->ensurePostArchiveTable();
102 $this->ensureCategoryArchiveTable();
103 }
104
105 function ensurePostArchiveTable()
106 {
107 global $wpdb;
108 $table_name = $this->getPostArchiveTableName();
109 if( $wpdb->get_var( 'show tables like "' . $table_name . '"' ) != $table_name )
110 {
111 $sql = 'CREATE TABLE ' . $table_name . ' (
112 post_archive_id mediumint(9) NOT NULL AUTO_INCREMENT,
113 post_id mediumint(9) NOT NULL,
114 post_permalink VARCHAR(55) NOT NULL,
115 UNIQUE KEY post_archive_id (post_archive_id)
116 );';
117 require_once ABSPATH . 'wp-admin/upgrade-functions.php';
118 dbDelta($sql);
119 $this->initializePostArchiveTable();
120 add_option( 'JCSP_DB_VERSION', JCSP_DB_VERSION );
121 }
122 }
123
124 function ensureCategoryArchiveTable()
125 {
126 global $wpdb;
127 $table_name = $this->getCategoryArchiveTableName();
128 if( $wpdb->get_var( 'show tables like "' . $table_name . '"' ) != $table_name )
129 {
130 $sql = 'CREATE TABLE ' . $table_name . ' (
131 category_archive_id mediumint(9) NOT NULL AUTO_INCREMENT,
132 category_id mediumint(9) NOT NULL,
133 category_permalink VARCHAR(55) NOT NULL,
134 UNIQUE KEY category_archive_id (category_archive_id)
135 );';
136
137 require_once ABSPATH . 'wp-admin/upgrade-functions.php';
138 dbDelta( $sql );
139 $this->initializeCategoryArchiveTable();
140 add_option( 'JCSP_DB_VERSION', JCSP_DB_VERSION );
141 }
142 }
143
144 function initializePostArchiveTable()
145 {
146 global $wpdb;
147 $posts = $wpdb->get_results( 'SELECT ID FROM ' . $wpdb->posts );
148 foreach( $posts as $post )
149 {
150 $permalink = $this->getPostPermalink( $post->ID );
151 $sql = 'INSERT INTO ' . $this->getPostArchiveTableName() . '
152 ( post_id, post_permalink )
153 VALUES ( ' . $post->ID . ', "' . $wpdb->escape( $permalink ) . '" )';
154 $wpdb->query( $sql );
155 }
156 }
157
158 function initializeCategoryArchiveTable()
159 {
160 global $wpdb;
161 $categories = $wpdb->get_results( 'SELECT cat_ID FROM ' . $wpdb->categories );
162 foreach( $categories as $category )
163 {
164 $permalink = $this->getCategoryPermalink( $category->cat_ID );
165 $sql = 'INSERT INTO ' . $this->getCategoryArchiveTableName() . '
166 ( category_id, category_permalink )
167 VALUES ( ' . $category->cat_ID . ', "' . $wpdb->escape( $permalink ) . '" )';
168 $wpdb->query( $sql );
169 }
170 }
171
172 function tryRedirect()
173 {
174 global $wpdb;
175
176 $inLink = $_SERVER[ 'REQUEST_URI' ];
177 if( substr( $inLink, 0, 1 ) == '/' )
178 {
179 $inLink = substr( $inLink, 1 );
180 }
181 if( substr( $inLink, -1 ) == '/' )
182 {
183 $inLink = substr( $inLink, 0, -1 );
184 }
185
186 //user is accessing the index page, we have to return or this will cause problems
187 if( $inLink == '' )
188 {
189 return;
190 }
191
192 //try a post redirect
193 $destination = $wpdb->get_results( 'SELECT post_id FROM ' . $this->getPostArchiveTableName() . ' WHERE post_permalink = "' . $wpdb->escape( $inLink ) . '"' );
194 if( count( $destination ) > 0 )
195 {
196 $permalink = $this->getPostPermalink( $destination[ 0 ]->post_id );
197 if( $permalink != $inLink )
198 {
199 wp_redirect( '/' . $permalink );
200 exit;
201 }
202 }
203
204 //try a category redirect
205 $destination = $wpdb->get_results( 'SELECT category_id FROM ' . $this->getCategoryArchiveTableName() . ' WHERE category_permalink = "' . $wpdb->escape( $inLink ) . '"' );
206 if( count( $destination ) > 0 )
207 {
208 $permalink = $this->getCategoryPermalink( $destination[ 0 ]->category_id );
209 if( $permalink != $inLink )
210 {
211 wp_redirect( '/' . $permalink );
212 exit;
213 }
214 }
215 }
216}
217?>
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