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