/**
* Handles reordering for sections that contain children that have updated post_parent or menu_order fields
*
* @todo write unit tests
*/
public function run()
{
// error_log('======== Navman Reordering =========');
// error_log('Already moved: ' . print_r( $this->already_moved, true ) );
global $wpdb;
if (!$this->has_moves()) {
return;
}
$result = true;
// Fetch all posts in sections marked for reordering
$sections = array_keys($this->already_moved);
$posts = bu_navigation_get_pages(array('sections' => $sections, 'suppress_filter_pages' => true, 'post_status' => array('publish', 'private'), 'post_types' => $this->post_types));
$posts_by_parent = bu_navigation_pages_by_parent($posts);
// error_log('Sections for reordering: ' . print_r( $posts_by_parent, true ) );
// Loop through affected sections, reordering children as needed
foreach ($posts_by_parent as $parent_id => $children) {
$position = 1;
foreach ($children as $child) {
// Skip reorder for posts that were already moved
if (!$this->post_already_moved($child)) {
// Skip any positions that were previously set for a moved post
while ($this->position_already_set($position, $parent_id)) {
// Skip over any positions that were set for previously updated children
// error_log('Position has already been set, skipping ' . $position );
$position++;
}
// Only update if menu order has actually changed
if ($child->menu_order != $position) {
$stmt = $wpdb->prepare('UPDATE ' . $wpdb->posts . ' SET menu_order = %d WHERE ID = %d', $position, $child->ID);
$rc = $wpdb->query($stmt);
if (false === $rc) {
$error_msg = sprintf('Error updating menu order (%s) for post (%s): %s', $position, $child->post_title, $wpdb->last_error);
error_log($error_msg);
array_push($this->errors, new WP_Error('bu_navigation_reorder_error', $error_msg));
} else {
wp_cache_delete($child->ID, 'posts');
}
// Temporary logging
// error_log('Setting menu order for post "' . $child->post_title . '": ' . $position );
} else {
/* noop */
// error_log('Skipping menu order update, already correct for post ' . $child->post_title . ' (' . $position . ')' );
}
$position++;
} else {
/* noop */
// error_log('Child already has correct menu order, skipping myself (' . $child->post_title . ')');
}
}
}
// Global caches
wp_cache_delete('get_pages', 'posts');
if ($this->has_errors()) {
$result = false;
}
return $result;
}
/**
* Generate page parent select menu
*
* @uses bu_filter_pages_parent_dropdown().
*
* @param string $post_type required -- post type to filter posts for
* @param int $selected post ID of the selected post
* @param array $args optional configuration object
*
* @return string the resulting dropdown markup
*/
function bu_navigation_page_parent_dropdown($post_type, $selected = 0, $args = array())
{
$defaults = array('echo' => 1, 'select_id' => 'bu_filter_pages', 'select_name' => 'post_parent', 'select_classes' => '', 'post_status' => array('publish', 'private'));
$r = wp_parse_args($args, $defaults);
// Grab top level pages for current post type
$args = array('direction' => 'down', 'depth' => 1, 'post_types' => (array) $post_type);
$sections = bu_navigation_gather_sections(0, $args);
$args = array('suppress_filter_pages' => TRUE, 'sections' => $sections, 'post_types' => (array) $post_type, 'post_status' => (array) $r['post_status']);
$pages = bu_navigation_get_pages($args);
$pages_by_parent = bu_navigation_pages_by_parent($pages);
$options = "\n\t<option value=\"0\">" . __('Show all sections') . "</option>\r";
// Get options
ob_start();
bu_filter_pages_parent_dropdown($pages_by_parent, $selected);
$options .= ob_get_contents();
ob_end_clean();
$classes = !empty($r['select_classes']) ? " class=\"{$r['select_classes']}\"" : '';
$dropdown = sprintf("<select id=\"%s\" name=\"%s\"%s>\r%s\r</select>\r", $r['select_id'], $r['select_name'], $classes, $options);
if ($r['echo']) {
echo $dropdown;
}
return $dropdown;
}
/**
* Covers bu_filter_pages_parent_dropdown()
*/
public function test_bu_filter_pages_parent_dropdown()
{
$parent = $this->posts['parent'];
$child = $this->posts['child'];
$grandchild_one = $this->posts['grandchild_one'];
$pages = bu_navigation_get_pages();
$pages_by_parent = bu_navigation_pages_by_parent($pages);
$page_options_expected = "\n\t" . '<option value="' . $child . '" >Child Page</option>' . "\r" . "\n\t" . '<option value="' . $grandchild_one . '" > Grand Child Page 1</option>' . "\r";
ob_start();
bu_filter_pages_parent_dropdown($pages_by_parent, 0, $parent);
$page_options_results = ob_get_contents();
ob_end_clean();
$this->assertEquals($page_options_results, $page_options_expected);
/**
* Test Default Function
*/
$page_options_default_expected = "\n\t" . '<option value="' . $child . '" selected="selected">Child Page</option>' . "\r" . "\n\t" . '<option value="' . $grandchild_one . '" > Grand Child Page 1</option>' . "\r";
ob_start();
bu_filter_pages_parent_dropdown($pages_by_parent, $child, $parent);
$page_options_default_results = ob_get_contents();
ob_end_clean();
$this->assertEquals($page_options_default_expected, $page_options_default_results);
/**
* Test Parent Function
*/
$page_options_parent_expected = "\n\t" . '<option value="' . $grandchild_one . '" >Grand Child Page 1</option>' . "\r";
ob_start();
bu_filter_pages_parent_dropdown($pages_by_parent, 0, $child);
$page_options_parent_results = ob_get_contents();
ob_end_clean();
$this->assertEquals($page_options_parent_expected, $page_options_parent_results);
/**
* Test Level Function
*/
$page_options_level_expected = "\n\t" . '<option value="' . $child . '" selected="selected"> Child Page</option>' . "\r" . "\n\t" . '<option value="' . $grandchild_one . '" > Grand Child Page 1</option>' . "\r";
ob_start();
bu_filter_pages_parent_dropdown($pages_by_parent, $child, $parent, 2);
$page_options_level_results = ob_get_contents();
ob_end_clean();
$this->assertEquals($page_options_level_expected, $page_options_level_results);
}
public function posts_by_parent()
{
return bu_navigation_pages_by_parent($this->posts);
}
