1 | <?php
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2 | /**
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3 | * The Ultimate Tag Warrior Importer.
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4 | *
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5 | * @package WordPress
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6 | * @subpackage Importer
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7 | */
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8 |
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9 | /**
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10 | * Ultimate Tag Warrior Converter to 2.3 taxonomy.
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11 | *
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12 | * This converts the Ultimate Tag Warrior tags to the 2.3 WordPress taxonomy.
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13 | *
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14 | * @since 2.3.0
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15 | */
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16 | class UTW_Import {
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17 |
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18 | function header() {
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19 | echo '<div class="wrap">';
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20 | screen_icon();
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21 | echo '<h2>'.__('Import Ultimate Tag Warrior').'</h2>';
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22 | echo '<p>'.__('Steps may take a few minutes depending on the size of your database. Please be patient.').'<br /><br /></p>';
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23 | }
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24 |
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25 | function footer() {
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26 | echo '</div>';
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27 | }
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28 |
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29 | function greet() {
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30 | echo '<div class="narrow">';
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31 | echo '<p>'.__('Howdy! This imports tags from Ultimate Tag Warrior 3 into WordPress tags.').'</p>';
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32 | echo '<p>'.__('This has not been tested on any other versions of Ultimate Tag Warrior. Mileage may vary.').'</p>';
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33 | echo '<p>'.__('To accommodate larger databases for those tag-crazy authors out there, we have made this into an easy 5-step program to help you kick that nasty UTW habit. Just keep clicking along and we will let you know when you are in the clear!').'</p>';
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34 | echo '<p><strong>'.__('Don’t be stupid - backup your database before proceeding!').'</strong></p>';
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35 | echo '<form action="admin.php?import=utw&step=1" method="post">';
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36 | echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.esc_attr__('Step 1').'" /></p>';
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37 | echo '</form>';
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38 | echo '</div>';
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39 | }
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40 |
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41 |
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42 | function dispatch () {
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43 | if ( empty( $_GET['step'] ) ) {
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44 | $step = 0;
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45 | } else {
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46 | $step = (int) $_GET['step'];
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47 | }
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48 |
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49 | if ( $step > 1 )
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50 | check_admin_referer('import-utw');
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51 |
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52 | // load the header
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53 | $this->header();
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54 |
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55 | switch ( $step ) {
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56 | case 0 :
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57 | $this->greet();
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58 | break;
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59 | case 1 :
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60 | $this->import_tags();
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61 | break;
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62 | case 2 :
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63 | $this->import_posts();
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64 | break;
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65 | case 3:
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66 | $this->import_t2p();
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67 | break;
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68 | case 4:
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69 | $this->cleanup_import();
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70 | break;
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71 | }
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72 |
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73 | // load the footer
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74 | $this->footer();
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75 | }
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76 |
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77 |
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78 | function import_tags ( ) {
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79 | echo '<div class="narrow">';
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80 | echo '<p><h3>'.__('Reading UTW Tags…').'</h3></p>';
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81 |
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82 | $tags = $this->get_utw_tags();
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83 |
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84 | // if we didn't get any tags back, that's all there is folks!
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85 | if ( !is_array($tags) ) {
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86 | echo '<p>' . __('No Tags Found!') . '</p>';
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87 | return false;
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88 | }
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89 | else {
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90 |
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91 | // if there's an existing entry, delete it
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92 | if ( get_option('utwimp_tags') ) {
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93 | delete_option('utwimp_tags');
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94 | }
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95 |
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96 | add_option('utwimp_tags', $tags);
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97 |
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98 |
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99 | $count = count($tags);
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100 |
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101 | echo '<p>' . sprintf( _n('Done! <strong>%s</strong> tag were read.', 'Done! <strong>%s</strong> tags were read.', $count), $count ) . '<br /></p>';
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102 | echo '<p>' . __('The following tags were found:') . '</p>';
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103 |
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104 | echo '<ul>';
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105 |
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106 | foreach ( $tags as $tag_id => $tag_name ) {
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107 |
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108 | echo '<li>' . $tag_name . '</li>';
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109 |
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110 | }
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111 |
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112 | echo '</ul>';
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113 |
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114 | echo '<br />';
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115 |
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116 | echo '<p>' . __('If you don’t want to import any of these tags, you should delete them from the UTW tag management page and then re-run this import.') . '</p>';
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117 |
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118 |
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119 | }
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120 |
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121 | echo '<form action="admin.php?import=utw&step=2" method="post">';
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122 | wp_nonce_field('import-utw');
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123 | echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.esc_attr__('Step 2').'" /></p>';
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124 | echo '</form>';
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125 | echo '</div>';
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126 | }
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127 |
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128 |
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129 | function import_posts ( ) {
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130 | echo '<div class="narrow">';
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131 | echo '<p><h3>'.__('Reading UTW Post Tags…').'</h3></p>';
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132 |
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133 | // read in all the UTW tag -> post settings
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134 | $posts = $this->get_utw_posts();
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135 |
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136 | // if we didn't get any tags back, that's all there is folks!
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137 | if ( !is_array($posts) ) {
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138 | echo '<p>' . __('No posts were found to have tags!') . '</p>';
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139 | return false;
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140 | }
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141 | else {
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142 |
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143 | // if there's an existing entry, delete it
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144 | if ( get_option('utwimp_posts') ) {
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145 | delete_option('utwimp_posts');
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146 | }
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147 |
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148 | add_option('utwimp_posts', $posts);
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149 |
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150 |
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151 | $count = count($posts);
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152 |
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153 | echo '<p>' . sprintf( _n('Done! <strong>%s</strong> tag to post relationships were read.', 'Done! <strong>%s</strong> tags to post relationships were read.', $count), $count ) . '<br /></p>';
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154 |
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155 | }
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156 |
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157 | echo '<form action="admin.php?import=utw&step=3" method="post">';
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158 | wp_nonce_field('import-utw');
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159 | echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.esc_attr__('Step 3').'" /></p>';
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160 | echo '</form>';
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161 | echo '</div>';
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162 |
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163 | }
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164 |
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165 |
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166 | function import_t2p ( ) {
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167 |
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168 | echo '<div class="narrow">';
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169 | echo '<p><h3>'.__('Adding Tags to Posts…').'</h3></p>';
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170 |
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171 | // run that funky magic!
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172 | $tags_added = $this->tag2post();
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173 |
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174 | echo '<p>' . sprintf( _n( 'Done! <strong>%s</strong> tag were added!', 'Done! <strong>%s</strong> tags were added!', $tags_added ), $tags_added ) . '<br /></p>';
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175 |
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176 | echo '<form action="admin.php?import=utw&step=4" method="post">';
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177 | wp_nonce_field('import-utw');
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178 | echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.esc_attr__('Step 4').'" /></p>';
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179 | echo '</form>';
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180 | echo '</div>';
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181 |
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182 | }
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183 |
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184 |
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185 | function get_utw_tags ( ) {
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186 |
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187 | global $wpdb;
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188 |
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189 | // read in all the tags from the UTW tags table: should be wp_tags
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190 | $tags_query = "SELECT tag_id, tag FROM " . $wpdb->prefix . "tags";
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191 |
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192 | $tags = $wpdb->get_results($tags_query);
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193 |
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194 | // rearrange these tags into something we can actually use
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195 | foreach ( $tags as $tag ) {
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196 |
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197 | $new_tags[$tag->tag_id] = $tag->tag;
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198 |
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199 | }
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200 |
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201 | return $new_tags;
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202 |
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203 | }
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204 |
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205 | function get_utw_posts ( ) {
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206 |
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207 | global $wpdb;
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208 |
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209 | // read in all the posts from the UTW post->tag table: should be wp_post2tag
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210 | $posts_query = "SELECT tag_id, post_id FROM " . $wpdb->prefix . "post2tag";
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211 |
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212 | $posts = $wpdb->get_results($posts_query);
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213 |
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214 | return $posts;
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215 |
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216 | }
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217 |
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218 |
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219 | function tag2post ( ) {
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220 |
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221 | // get the tags and posts we imported in the last 2 steps
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222 | $tags = get_option('utwimp_tags');
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223 | $posts = get_option('utwimp_posts');
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224 |
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225 | // null out our results
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226 | $tags_added = 0;
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227 |
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228 | // loop through each post and add its tags to the db
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229 | foreach ( $posts as $this_post ) {
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230 |
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231 | $the_post = (int) $this_post->post_id;
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232 | $the_tag = (int) $this_post->tag_id;
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233 |
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234 | // what's the tag name for that id?
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235 | $the_tag = $tags[$the_tag];
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236 |
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237 | // screw it, just try to add the tag
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238 | wp_add_post_tags($the_post, $the_tag);
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239 |
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240 | $tags_added++;
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241 |
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242 | }
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243 |
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244 | // that's it, all posts should be linked to their tags properly, pending any errors we just spit out!
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245 | return $tags_added;
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246 |
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247 |
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248 | }
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249 |
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250 |
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251 | function cleanup_import ( ) {
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252 |
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253 | delete_option('utwimp_tags');
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254 | delete_option('utwimp_posts');
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255 |
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256 | $this->done();
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257 |
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258 | }
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259 |
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260 |
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261 | function done ( ) {
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262 |
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263 | echo '<div class="narrow">';
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264 | echo '<p><h3>'.__('Import Complete!').'</h3></p>';
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265 |
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266 | echo '<p>' . __('OK, so we lied about this being a 5-step program! You’re done!') . '</p>';
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267 |
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268 | echo '<p>' . __('Now wasn’t that easy?') . '</p>';
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269 |
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270 | echo '</div>';
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271 |
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272 | }
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273 |
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274 |
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275 | function UTW_Import ( ) {
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276 |
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277 | // Nothing.
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278 |
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279 | }
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280 |
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281 | }
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282 |
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283 |
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284 | // create the import object
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285 | $utw_import = new UTW_Import();
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286 |
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287 | // add it to the import page!
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288 | register_importer('utw', 'Ultimate Tag Warrior', __('Import Ultimate Tag Warrior tags into WordPress tags.'), array($utw_import, 'dispatch'));
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289 |
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290 | ?>
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