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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 ?> |