Ticket #6909: tag-to-cat.patch

wp-admin/import/wp-cat2tag.php

@@ -3 +3 @@
-class WP_Categories_to_Tags {
-        var $categories_to_convert = array();
-        var $all_categories = array();
+        var $tags_to_convert = array();
+        var $all_tags = array();
+        var $hybrids_ids = array();
-
-        function header() {
-                echo '<div class="wrap">';
-
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-        }
-
-        function footer() {
-                echo '</div>';
-        }
-
-all_categorie
+cat
-                global $wpdb;
-
-                $categories = get_categories('get=all');
-                foreach ( $categories as $category ) {
-
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-                }
-        }
-
-welcome
-$this->populate_all_categories()
+populate_tags
+global $wpdb
-
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-                        echo '<p>' . __('Hey there. Here you can selectively converts existing categories to tags. To get started, check the categories you wish to be converted, then click the Convert button.') . '</p>';
-
+</div>
-
-                        $this->categories_form();
+                } elseif ( $hyb_num > 0 ) {
+                         echo '<p>' . __('You have no categories that can be converted. However some of your categories are both a tag and a category.') . '</p>';
-                } else {
-                        echo '<p>'.__('You have no categories to convert!').'</p>';
-                }
-
-                echo '</div>';
-        }
-
-
-
+ ?>
+
-<script type="text/javascript">
-
+
-var checkflag = "false";
-function check_all_rows() {
-form
+cat
-        if ( 'false' == checkflag ) {
-                for ( i = 0; i < field.length; i++ ) {
-                        if ( 'cats_to_convert[]' == field[i].name )
@@ -63 +88 @@
-                return '<?php _e('Check All') ?>';
-        }
-}
+/* ]]> */
+</script>
-
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+
-<?php
-                echo '<form name="formlist" id="formlist" action="admin.php?import=wp-cat2tag&amp;step=2" method="post">
-                <p><input type="button" class="button-secondary" value="' . __('Check All') . '"' . ' onClick="this.value=check_all_rows()"></p>';
-                wp_nonce_field('import-cat2tag');
-                echo '<ul style="list-style:none">';
-
-                $hier = _get_term_hierarchy('category');
-
-                foreach ($this->all_categories as $category) {
-                        $category = sanitize_term( $category, 'category', 'display' );
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-                                }
+                        }
+                }
+?>
+</ul>
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-                        }
-                }
+?>
+</ul>
-
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-        }
-
-        function _category_children($parent, $hier) {
-
+
-
+                <ul style="list-style:none">
+<?php
-                foreach ($hier[$parent->term_id] as $child_id) {
-                        $child =& get_category($child_id);
+                        
+                        if ( in_array( intval($child->term_id), $this->hybrids_ids ) ) {
+?>
+                <li style="color:#777;padding-left:1.3em;"><?php echo $child->name . ' (' . $child->count . ') *'; ?></li>
+<?php
+                        } else {
+?>
+                <li><label><input type="checkbox" name="cats_to_convert[]" value="<?php echo intval($child->term_id); ?>" /> <?php echo $child->name . ' (' . $child->count . ')'; ?></label>
+<?php
-
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-                                $this->_category_children($child, $hier);
+?>              </li>
+<?php
-                        }
-
-                        echo '</li>';
-                }
-
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+
-        }
-
-        function _category_exists($cat_id) {
@@ -125 +249 @@
-                }
-        }
-
-them
+categories
-                global $wpdb;
-
-                if ( (!isset($_POST['cats_to_convert']) || !is_array($_POST['cats_to_convert'])) && empty($this->categories_to_convert)) {
@@ -135 +259 @@
-                        return;
-                }
-
-
-                if ( empty($this->categories_to_convert) )
-                        $this->categories_to_convert = $_POST['cats_to_convert'];
-                $hier = _get_term_hierarchy('category');
@@ -199 +322 @@
-                echo '<p>' . sprintf( __('We&#8217;re all done here, but you can always <a href="%s">convert more</a>.'), 'admin.php?import=wp-cat2tag' ) . '</p>';
-        }
-
+        function convert_tags() {
+                global $wpdb;
+
+                if ( (!isset($_POST['tags_to_convert']) || !is_array($_POST['tags_to_convert'])) && empty($this->tags_to_convert)) {
+                        echo '<div class="narrow">';
+                        echo '<p>' . sprintf(__('Uh, oh. Something didn&#8217;t work. Please <a href="%s">try again</a>.'), 'admin.php?import=wp-cat2tag&amp;step=3') . '</p>';
+                        echo '</div>';
+                        return;
+                }
+
+                if ( empty($this->categories_to_convert) )
+                        $this->tags_to_convert = $_POST['tags_to_convert'];
+
+                $clean_cache = array();
+                echo '<ul>';
+
+                foreach ( (array) $this->tags_to_convert as $tag_id) {
+                        $tag_id = (int) $tag_id;
+
+                        echo '<li>' . sprintf(__('Converting tag #%s ... '),  $tag_id);
+
+                        if ( ! is_term($tag_id, 'post_tag') ) {
+                                _e('Tag doesn\'t exist!');
+                        } else {
+
+                                if ( is_term($tag_id, 'category') ) {
+                                        _e('This Tag is already a Category.');
+                                        echo '</li>';
+                                        continue;
+                                }
+
+                                $tt_ids = $wpdb->get_col( $wpdb->prepare("SELECT term_taxonomy_id FROM $wpdb->term_taxonomy WHERE term_id = %d AND taxonomy = 'post_tag'", $tag_id) );
+                                if ( $tt_ids ) {
+                                                $posts = $wpdb->get_col("SELECT object_id FROM $wpdb->term_relationships WHERE term_taxonomy_id IN (" . join(',', $tt_ids) . ") GROUP BY object_id");
+                                        foreach ( (array) $posts as $post )
+                                                clean_post_cache($post);
+                                }
+
+                                // Change the tag to a category.
+                                $parent = $wpdb->get_var( $wpdb->prepare("SELECT parent FROM $wpdb->term_taxonomy WHERE term_id = %d AND taxonomy = 'post_tag'", $tag_id) );
+                                if ( 0 == $parent || (0 < (int) $parent && $this->_category_exists($parent)) )
+                                        $reset_parent = '';
+                                else $reset_parent = ", parent = '0'";
+
+                                $wpdb->query( $wpdb->prepare("UPDATE $wpdb->term_taxonomy SET taxonomy = 'category' $reset_parent WHERE term_id = %d AND taxonomy = 'post_tag'", $tag_id) );
+
+                                // Clean the cache
+                                $clean_cache[] = $tag_id;
+
+                                _e('Converted successfully.');
+                        }
+
+                        echo '</li>';
+                }
+
+                clean_term_cache( $clean_cache, 'post_tag' );
+                delete_option('category_children');
+                
+                echo '</ul>';
+                echo '<p>' . sprintf( __('We&#8217;re all done here, but you can always <a href="%s">convert more</a>.'), 'admin.php?import=wp-cat2tag&amp;step=3' ) . '</p>';
+        }
+
-        function init() {
-
-                $step = (isset($_GET['step'])) ? (int) $_GET['step'] : 1;
-
-                $this->header();
-
-
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+
-
-                        switch ($step) {
-                                case 1 :
-welcome
+categories_tab
-                                break;
-
-                                case 2 :
-
+
+
-                                break;
+                                
+                                case 3 :
+                                        $this->tags_tab();
+                                break;
+                                
+                                case 4 :
+                                        check_admin_referer('import-cat2tag');
+                                        $this->convert_tags();
+                                break;
-                        }
-                }
-
@@ -234 +423 @@
-
-$wp_cat2tag_importer = new WP_Categories_to_Tags();
-
-to Tags Converter'), __('Convert existing categories to tag
+and Tags Converter'), __('Convert existing categories to tags or tags to categorie
-
-?>