WordPress/wp-admin/admin-db.php

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<?php
function get_users_drafts( $user_id ) {
global $wpdb;
$user_id = (int) $user_id;
$query = "SELECT ID, post_title FROM $wpdb->posts WHERE post_status = 'draft' AND post_author = $user_id ORDER BY ID DESC";
$query = apply_filters('get_users_drafts', $query);
return $wpdb->get_results( $query );
}
function get_others_drafts( $user_id ) {
global $wpdb;
$user = get_userdata( $user_id );
$level_key = $wpdb->prefix . 'user_level';
$editable = get_editable_user_ids( $user_id );
if( !$editable ) {
$other_drafts = '';
} else {
$editable = join(',', $editable);
$other_drafts = $wpdb->get_results("SELECT ID, post_title FROM $wpdb->posts WHERE post_status = 'draft' AND post_author IN ($editable) AND post_author != '$user_id' ");
}
return apply_filters('get_others_drafts', $other_drafts);
}
function get_editable_authors( $user_id ) {
global $wpdb;
$editable = get_editable_user_ids( $user_id );
if( !$editable ) {
return false;
} else {
$editable = join(',', $editable);
$authors = $wpdb->get_results( "SELECT * FROM $wpdb->users WHERE ID IN ($editable)" );
}
return apply_filters('get_editable_authors', $authors);
}
function get_editable_user_ids( $user_id, $exclude_zeros = true ) {
global $wpdb;
$user = new WP_User( $user_id );
if ( ! $user->has_cap('edit_others_posts') ) {
if ( $user->has_cap('edit_posts') || $exclude_zeros == false )
return array($user->id);
else
return false;
}
$level_key = $wpdb->prefix . 'user_level';
$query = "SELECT user_id FROM $wpdb->usermeta WHERE meta_key = '$level_key'";
if ( $exclude_zeros )
$query .= " AND meta_value != '0'";
return $wpdb->get_col( $query );
}
function get_author_user_ids() {
global $wpdb;
$level_key = $wpdb->prefix . 'user_level';
$query = "SELECT user_id FROM $wpdb->usermeta WHERE meta_key = '$level_key' AND meta_value != '0'";
return $wpdb->get_col( $query );
}
function get_nonauthor_user_ids() {
global $wpdb;
$level_key = $wpdb->prefix . 'user_level';
$query = "SELECT user_id FROM $wpdb->usermeta WHERE meta_key = '$level_key' AND meta_value = '0'";
return $wpdb->get_col( $query );
}
function wp_insert_category($catarr) {
global $wpdb;
extract($catarr);
$cat_ID = (int) $cat_ID;
// Are we updating or creating?
if (!empty ($cat_ID))
$update = true;
else
$update = false;
$cat_name = wp_specialchars($cat_name);
if (empty ($category_nicename))
$category_nicename = sanitize_title($cat_name);
else
$category_nicename = sanitize_title($category_nicename);
if (empty ($category_description))
$category_description = '';
if (empty ($category_parent))
$category_parent = 0;
if (!$update) {
$wpdb->query("INSERT INTO $wpdb->categories (cat_ID, cat_name, category_nicename, category_description, category_parent) VALUES ('0', '$cat_name', '$category_nicename', '$category_description', '$category_parent')");
$cat_ID = $wpdb->insert_id;
} else {
$wpdb->query ("UPDATE $wpdb->categories SET cat_name = '$cat_name', category_nicename = '$category_nicename', category_description = '$category_description', category_parent = '$category_parent' WHERE cat_ID = '$cat_ID'");
}
if ( $category_nicename == '' ) {
$category_nicename = sanitize_title($cat_name, $cat_ID );
$wpdb->query( "UPDATE $wpdb->categories SET category_nicename = '$category_nicename' WHERE cat_ID = '$cat_ID'" );
}
wp_cache_set($cat_ID, get_category($cat_ID), 'category');
if ($update) {
do_action('edit_category', $cat_ID);
} else {
wp_cache_delete('all_category_ids', 'category');
do_action('create_category', $cat_ID);
do_action('add_category', $cat_ID);
}
return $cat_ID;
}
function wp_update_category($catarr) {
global $wpdb;
$cat_ID = (int) $catarr['cat_ID'];
// First, get all of the original fields
$category = get_category($cat_ID, ARRAY_A);
// Escape data pulled from DB.
$category = add_magic_quotes($category);
// Merge old and new fields with new fields overwriting old ones.
$catarr = array_merge($category, $catarr);
return wp_insert_category($catarr);
}
function wp_delete_category($cat_ID) {
global $wpdb;
$cat_ID = (int) $cat_ID;
// Don't delete the default cat.
if (1 == $cat_ID)
return 0;
$category = get_category($cat_ID);
$parent = $category->category_parent;
// Delete the category.
$wpdb->query("DELETE FROM $wpdb->categories WHERE cat_ID = '$cat_ID'");
// Update children to point to new parent.
$wpdb->query("UPDATE $wpdb->categories SET category_parent = '$parent' WHERE category_parent = '$cat_ID'");
// TODO: Only set categories to general if they're not in another category already
$wpdb->query("UPDATE $wpdb->post2cat SET category_id='1' WHERE category_id='$cat_ID'");
wp_cache_delete($cat_ID, 'category');
wp_cache_delete('all_category_ids', 'category');
do_action('delete_category', $cat_ID);
return 1;
}
function wp_create_category($cat_name) {
$cat_array = compact('cat_name');
return wp_insert_category($cat_array);
}
function wp_create_categories($categories, $post_id = '') {
$cat_ids = array ();
foreach ($categories as $category) {
if ($id = category_exists($category))
$cat_ids[] = $id;
else
if ($id = wp_create_category($category))
$cat_ids[] = $id;
}
if ($post_id)
wp_set_post_cats('', $post_id, $cat_ids);
return $cat_ids;
}
function category_exists($cat_name) {
global $wpdb;
if (!$category_nicename = sanitize_title($cat_name))
return 0;
return $wpdb->get_var("SELECT cat_ID FROM $wpdb->categories WHERE category_nicename = '$category_nicename'");
}
function wp_delete_user($id, $reassign = 'novalue') {
global $wpdb;
$id = (int) $id;
if ($reassign == 'novalue') {
$post_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE post_author = $id");
if ($post_ids) {
$post_ids = implode(',', $post_ids);
// Delete comments, *backs
$wpdb->query("DELETE FROM $wpdb->comments WHERE comment_post_ID IN ($post_ids)");
// Clean cats
$wpdb->query("DELETE FROM $wpdb->post2cat WHERE post_id IN ($post_ids)");
// Clean post_meta
$wpdb->query("DELETE FROM $wpdb->postmeta WHERE post_id IN ($post_ids)");
// Delete posts
$wpdb->query("DELETE FROM $wpdb->posts WHERE post_author = $id");
}
// Clean links
$wpdb->query("DELETE FROM $wpdb->links WHERE link_owner = $id");
} else {
$reassign = (int) $reassign;
$wpdb->query("UPDATE $wpdb->posts SET post_author = {$reassign} WHERE post_author = {$id}");
$wpdb->query("UPDATE $wpdb->links SET link_owner = {$reassign} WHERE link_owner = {$id}");
}
// FINALLY, delete user
$wpdb->query("DELETE FROM $wpdb->users WHERE ID = $id");
wp_cache_delete($id, 'users');
// TODO: Need to delete username keyed cache object.
do_action('delete_user', $id);
return true;
}
function get_link($link_id, $output = OBJECT) {
global $wpdb;
$link = $wpdb->get_row("SELECT * FROM $wpdb->links WHERE link_id = '$link_id'");
if ( $output == OBJECT ) {
return $link;
} elseif ( $output == ARRAY_A ) {
return get_object_vars($link);
} elseif ( $output == ARRAY_N ) {
return array_values(get_object_vars($link));
} else {
return $link;
}
}
function wp_insert_link($linkdata) {
global $wpdb, $current_user;
extract($linkdata);
$update = false;
if ( !empty($link_id) )
$update = true;
if ( empty($link_rating) )
$link_rating = 0;
if ( empty($link_target) )
$link_target = '';
if ( empty($link_visible) )
$link_visible = 'Y';
if ( empty($link_owner) )
$link_owner = $current_user->id;
if ( $update ) {
$wpdb->query("UPDATE $wpdb->links SET link_url='$link_url',
link_name='$link_name', link_image='$link_image',
link_target='$link_target', link_category='$link_category',
link_visible='$link_visible', link_description='$link_description',
link_rating='$link_rating', link_rel='$link_rel',
link_notes='$link_notes', link_rss = '$link_rss'
WHERE link_id='$link_id'");
} else {
$wpdb->query("INSERT INTO $wpdb->links (link_url, link_name, link_image, link_target, link_category, link_description, link_visible, link_owner, link_rating, link_rel, link_notes, link_rss) VALUES('$link_url','$link_name', '$link_image', '$link_target', '$link_category', '$link_description', '$link_visible', '$link_owner', '$link_rating', '$link_rel', '$link_notes', '$link_rss')");
$link_id = $wpdb->insert_id;
}
if ( $update )
do_action('edit_link', $link_id);
else
do_action('add_link', $link_id);
return $link_id;
}
function wp_update_link($linkdata) {
global $wpdb;
$link_id = (int) $linkdata['link_id'];
$link = get_link($link_id, ARRAY_A);
// Escape data pulled from DB.
$link = add_magic_quotes($link);
// Merge old and new fields with new fields overwriting old ones.
$linkdata = array_merge($link, $linkdata);
return wp_insert_link($linkdata);
}
function wp_delete_link($link_id) {
global $wpdb;
do_action('delete_link', $link_id);
return $wpdb->query("DELETE FROM $wpdb->links WHERE link_id = '$link_id'");
}
function post_exists($title, $content = '', $post_date = '') {
global $wpdb;
if (!empty ($post_date))
$post_date = "AND post_date = '$post_date'";
if (!empty ($title))
return $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE post_title = '$title' $post_date");
else
if (!empty ($content))
return $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE post_content = '$content' $post_date");
return 0;
}
function comment_exists($comment_author, $comment_date) {
global $wpdb;
return $wpdb->get_var("SELECT comment_post_ID FROM $wpdb->comments
WHERE comment_author = '$comment_author' AND comment_date = '$comment_date'");
}
?>