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1 <?php |
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2 /** |
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3 * Simple Tags Plugin 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 * Simple Tags Plugin Tags converter class. |
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11 * |
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12 * Will convert Simple Tags Plugin tags over to the WordPress 2.3 taxonomy. |
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13 * |
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14 * @since unknown |
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15 */ |
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16 class STP_Import { |
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17 function header() { |
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18 echo '<div class="wrap">'; |
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19 screen_icon(); |
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20 echo '<h2>'.__('Import Simple Tagging').'</h2>'; |
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21 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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22 } |
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23 |
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24 function footer() { |
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25 echo '</div>'; |
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26 } |
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27 |
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28 function greet() { |
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29 echo '<div class="narrow">'; |
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30 echo '<p>'.__('Howdy! This imports tags from Simple Tagging 1.6.2 into WordPress tags.').'</p>'; |
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31 echo '<p>'.__('This has not been tested on any other versions of Simple Tagging. Mileage may vary.').'</p>'; |
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32 echo '<p>'.__('To accommodate larger databases for those tag-crazy authors out there, we have made this into an easy 4-step program to help you kick that nasty Simple Tagging habit. Just keep clicking along and we will let you know when you are in the clear!').'</p>'; |
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33 echo '<p><strong>'.__('Don’t be stupid - backup your database before proceeding!').'</strong></p>'; |
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34 echo '<form action="admin.php?import=stp&step=1" method="post">'; |
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35 wp_nonce_field('import-stp'); |
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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 function dispatch () { |
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42 if ( empty( $_GET['step'] ) ) { |
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43 $step = 0; |
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44 } else { |
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45 $step = (int) $_GET['step']; |
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46 } |
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47 // load the header |
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48 $this->header(); |
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49 switch ( $step ) { |
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50 case 0 : |
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51 $this->greet(); |
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52 break; |
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53 case 1 : |
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54 check_admin_referer('import-stp'); |
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55 $this->import_posts(); |
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56 break; |
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57 case 2: |
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58 check_admin_referer('import-stp'); |
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59 $this->import_t2p(); |
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60 break; |
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61 case 3: |
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62 check_admin_referer('import-stp'); |
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63 $this->cleanup_import(); |
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64 break; |
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65 } |
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66 // load the footer |
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67 $this->footer(); |
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68 } |
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69 |
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70 |
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71 function import_posts ( ) { |
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72 echo '<div class="narrow">'; |
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73 echo '<p><h3>'.__('Reading STP Post Tags…').'</h3></p>'; |
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74 |
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75 // read in all the STP tag -> post settings |
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76 $posts = $this->get_stp_posts(); |
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77 |
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78 // if we didn't get any tags back, that's all there is folks! |
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79 if ( !is_array($posts) ) { |
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80 echo '<p>' . __('No posts were found to have tags!') . '</p>'; |
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81 return false; |
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82 } |
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83 else { |
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84 // if there's an existing entry, delete it |
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85 if ( get_option('stpimp_posts') ) { |
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86 delete_option('stpimp_posts'); |
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87 } |
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88 |
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89 add_option('stpimp_posts', $posts); |
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90 $count = count($posts); |
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91 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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92 } |
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93 |
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94 echo '<form action="admin.php?import=stp&step=2" method="post">'; |
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95 wp_nonce_field('import-stp'); |
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96 echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.esc_attr__('Step 2').'" /></p>'; |
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97 echo '</form>'; |
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98 echo '</div>'; |
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99 } |
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100 |
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101 |
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102 function import_t2p ( ) { |
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103 echo '<div class="narrow">'; |
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104 echo '<p><h3>'.__('Adding Tags to Posts…').'</h3></p>'; |
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105 |
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106 // run that funky magic! |
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107 $tags_added = $this->tag2post(); |
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108 |
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109 echo '<p>' . sprintf( _n('Done! <strong>%s</strong> tag was added!', 'Done! <strong>%s</strong> tags were added!', $tags_added), $tags_added ) . '<br /></p>'; |
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110 echo '<form action="admin.php?import=stp&step=3" method="post">'; |
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111 wp_nonce_field('import-stp'); |
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112 echo '<p class="submit"><input type="submit" name="submit" class="button" value="'.esc_attr__('Step 3').'" /></p>'; |
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113 echo '</form>'; |
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114 echo '</div>'; |
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115 } |
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116 |
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117 function get_stp_posts ( ) { |
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118 global $wpdb; |
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119 // read in all the posts from the STP post->tag table: should be wp_post2tag |
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120 $posts_query = "SELECT post_id, tag_name FROM " . $wpdb->prefix . "stp_tags"; |
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121 $posts = $wpdb->get_results($posts_query); |
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122 return $posts; |
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123 } |
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124 |
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125 function tag2post ( ) { |
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126 global $wpdb; |
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127 |
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128 // get the tags and posts we imported in the last 2 steps |
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129 $posts = get_option('stpimp_posts'); |
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130 |
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131 // null out our results |
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132 $tags_added = 0; |
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133 |
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134 // loop through each post and add its tags to the db |
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135 foreach ( $posts as $this_post ) { |
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136 $the_post = (int) $this_post->post_id; |
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137 $the_tag = $wpdb->escape($this_post->tag_name); |
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138 // try to add the tag |
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139 wp_add_post_tags($the_post, $the_tag); |
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140 $tags_added++; |
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141 } |
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142 |
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143 // that's it, all posts should be linked to their tags properly, pending any errors we just spit out! |
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144 return $tags_added; |
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145 } |
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146 |
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147 function cleanup_import ( ) { |
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148 delete_option('stpimp_posts'); |
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149 $this->done(); |
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150 } |
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151 |
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152 function done ( ) { |
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153 echo '<div class="narrow">'; |
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154 echo '<p><h3>'.__('Import Complete!').'</h3></p>'; |
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155 echo '<p>' . __('OK, so we lied about this being a 4-step program! You’re done!') . '</p>'; |
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156 echo '<p>' . __('Now wasn’t that easy?') . '</p>'; |
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157 echo '</div>'; |
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158 } |
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159 |
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160 function STP_Import ( ) { |
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161 // Nothing. |
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162 } |
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163 } |
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164 |
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165 // create the import object |
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166 $stp_import = new STP_Import(); |
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167 |
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168 // add it to the import page! |
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169 register_importer('stp', 'Simple Tagging', __('Import Simple Tagging tags into WordPress tags.'), array($stp_import, 'dispatch')); |
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170 ?> |