WordPress/wp-admin/admin-db.php

470 lines
13 KiB
PHP

<?php
function get_users_drafts( $user_id ) {
global $wpdb;
$user_id = (int) $user_id;
$query = "SELECT ID, post_title FROM $wpdb->posts WHERE post_type = 'post' AND 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 $wpdb->posts WHERE post_type = 'post' AND post_status = 'draft' AND post_author IN ($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) ORDER BY display_name" );
}
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);
if ( trim( $cat_name ) == '' )
return 0;
$cat_ID = (int) $cat_ID;
// Are we updating or creating?
if ( !empty ($cat_ID) )
$update = true;
else
$update = false;
$name = $cat_name;
$description = $category_description;
$slug = $category_nicename;
$parent = $category_parent;
$name = apply_filters('pre_category_name', $name);
if ( empty ($slug) )
$slug = sanitize_title($slug);
else
$slug = sanitize_title($slug);
$slug = apply_filters('pre_category_nicename', $slug);
if ( empty ($description) )
$description = '';
$description = apply_filters('pre_category_description', $description);
$parent = (int) $parent;
if ( empty($parent) || !get_category( $parent ) || ($cat_ID && cat_is_ancestor_of($cat_ID, $parent) ) )
$parent = 0;
$args = compact('slug', 'parent', 'description');
if ( $update )
$cat_ID = wp_update_term($cat_ID, 'category', $args);
else
$cat_ID = wp_insert_term($cat_name, 'category', $args);
return $cat_ID['term_id'];
}
function wp_update_category($catarr) {
global $wpdb;
$cat_ID = (int) $catarr['cat_ID'];
if( $cat_ID == $catarr['category_parent'] )
return false;
// 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;
$default_cat = get_option('default_category');
$default_link_cat = get_option('default_link_category');
// Don't delete either of the default cats
if ( $cat_ID == $default_cat || $cat_ID == $default_link_cat )
return 0;
$category = get_category($cat_ID);
$parent = $category->category_parent;
// Delete the category if it is not also a tag.
if ( 0 == ($category->type & TAXONOMY_TAG) ) {
if ( !$wpdb->query("DELETE FROM $wpdb->categories WHERE cat_ID = '$cat_ID'") )
return 0;
} else {
$wpdb->query("UPDATE $wpdb->categories SET type = type & ~" . TAXONOMY_CATEGORY . " WHERE cat_ID = '$cat_ID'");
}
// Update children to point to new parent
$wpdb->query("UPDATE $wpdb->categories SET category_parent = '$parent' WHERE category_parent = '$cat_ID'");
// Only set posts and links to the default category if they're not in another category already
$posts = $wpdb->get_col("SELECT post_id FROM $wpdb->post2cat WHERE category_id='$cat_ID' AND rel_type = 'category'");
foreach ( (array) $posts as $post_id ) {
$cats = wp_get_post_categories($post_id);
if ( 1 == count($cats) )
$cats = array($default_cat);
else
$cats = array_diff($cats, array($cat_ID));
wp_set_post_categories($post_id, $cats);
}
$links = $wpdb->get_col("SELECT link_id FROM $wpdb->link2cat WHERE category_id='$cat_ID'");
foreach ( (array) $links as $link_id ) {
$cats = wp_get_link_cats($link_id);
if ( 1 == count($cats) )
$cats = array($default_link_cat);
else
$cats = array_diff($cats, array($cat_ID));
wp_set_link_cats($link_id, $cats);
}
clean_category_cache($cat_ID);
do_action('delete_category', $cat_ID);
return 1;
}
function wp_create_category($cat_name) {
if ( $id = category_exists($cat_name) )
return $id;
$cat_array = array('cat_name' => $cat_name, 'type' => TAXONOMY_CATEGORY);
if ( $id = category_object_exists($cat_name) ) {
$category = get_category($id);
$cat_array['type'] = $category->type | $cat_array['type'];
$cat_array['cat_ID'] = $id;
return wp_update_category($cat_array);
} else {
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_categories($post_id, $cat_ids);
return $cat_ids;
}
function category_object_exists($cat_name) {
global $wpdb;
if (!$category_nicename = sanitize_title($cat_name))
return 0;
return (int) $wpdb->get_var("SELECT cat_ID FROM $wpdb->categories WHERE category_nicename = '$category_nicename'");
}
function category_exists($cat_name) {
global $wpdb;
if (!$category_nicename = sanitize_title($cat_name))
return 0;
return (int) $wpdb->get_var("SELECT cat_ID FROM $wpdb->categories WHERE category_nicename = '$category_nicename' AND ( type & " . TAXONOMY_CATEGORY . " != 0 )");
}
function tag_exists($tag_name) {
return is_term($tag_name, 'post_tag');
}
function wp_create_tag($tag_name) {
if ( $id = tag_exists($tag_name) )
return $id;
$tag_id = wp_insert_term($tag_name, 'post_tag');
}
function wp_delete_user($id, $reassign = 'novalue') {
global $wpdb;
$id = (int) $id;
$user = get_userdata($id);
if ($reassign == 'novalue') {
$post_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE post_author = $id");
if ($post_ids) {
foreach ($post_ids as $post_id)
wp_delete_post($post_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
do_action('delete_user', $id);
$wpdb->query("DELETE FROM $wpdb->users WHERE ID = $id");
$wpdb->query("DELETE FROM $wpdb->usermeta WHERE user_id = '$id'");
wp_cache_delete($id, 'users');
wp_cache_delete($user->user_login, 'userlogins');
return true;
}
function wp_revoke_user($id) {
$id = (int) $id;
$user = new WP_User($id);
$user->remove_all_caps();
}
function wp_insert_link($linkdata) {
global $wpdb, $current_user;
extract($linkdata);
$update = false;
if ( !empty($link_id) )
$update = true;
$link_id = (int) $link_id;
if( trim( $link_name ) == '' )
return 0;
$link_name = apply_filters('pre_link_name', $link_name);
if( trim( $link_url ) == '' )
return 0;
$link_url = apply_filters('pre_link_url', $link_url);
if ( empty($link_rating) )
$link_rating = 0;
else
$link_rating = (int) $link_rating;
if ( empty($link_image) )
$link_image = '';
$link_image = apply_filters('pre_link_image', $link_image);
if ( empty($link_target) )
$link_target = '';
$link_target = apply_filters('pre_link_target', $link_target);
if ( empty($link_visible) )
$link_visible = 'Y';
$link_visibile = preg_replace('/[^YNyn]/', '', $link_visible);
if ( empty($link_owner) )
$link_owner = $current_user->id;
else
$link_owner = (int) $link_owner;
if ( empty($link_notes) )
$link_notes = '';
$link_notes = apply_filters('pre_link_notes', $link_notes);
if ( empty($link_description) )
$link_description = '';
$link_description = apply_filters('pre_link_description', $link_description);
if ( empty($link_rss) )
$link_rss = '';
$link_rss = apply_filters('pre_link_rss', $link_rss);
if ( empty($link_rel) )
$link_rel = '';
$link_rel = apply_filters('pre_link_rel', $link_rel);
// Make sure we set a valid category
if (0 == count($link_category) || !is_array($link_category)) {
$link_category = array(get_option('default_link_category'));
}
if ( $update ) {
$wpdb->query("UPDATE $wpdb->links SET link_url='$link_url',
link_name='$link_name', link_image='$link_image',
link_target='$link_target',
link_visible='$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 $wpdb->links (link_url, link_name, link_image, link_target, link_description, link_visible, link_owner, link_rating, link_rel, link_notes, link_rss) VALUES('$link_url','$link_name', '$link_image', '$link_target', '$link_description', '$link_visible', '$link_owner', '$link_rating', '$link_rel', '$link_notes', '$link_rss')");
$link_id = (int) $wpdb->insert_id;
}
wp_set_link_cats($link_id, $link_category);
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);
// Passed link category list overwrites existing category list if not empty.
if ( isset($linkdata['link_category']) && is_array($linkdata['link_category'])
&& 0 != count($linkdata['link_category']) )
$link_cats = $linkdata['link_category'];
else
$link_cats = $link['link_category'];
// Merge old and new fields with new fields overwriting old ones.
$linkdata = array_merge($link, $linkdata);
$linkdata['link_category'] = $link_cats;
return wp_insert_link($linkdata);
}
function wp_delete_link($link_id) {
global $wpdb;
do_action('delete_link', $link_id);
$categories = wp_get_link_cats($link_id);
if( is_array( $categories ) ) {
foreach ( $categories as $category ) {
$wpdb->query("UPDATE $wpdb->categories SET link_count = link_count - 1 WHERE cat_ID = '$category'");
wp_cache_delete($category, 'category');
do_action('edit_category', $cat_id);
}
}
$wpdb->query("DELETE FROM $wpdb->link2cat WHERE link_id = '$link_id'");
return $wpdb->query("DELETE FROM $wpdb->links WHERE link_id = '$link_id'");
do_action('deleted_link', $link_id);
}
function wp_get_link_cats($link_id = 0) {
$cats = get_object_terms($link_id, 'link_category', 'get=ids');
return array_unique($cats);
}
function wp_set_link_cats($link_id = 0, $link_categories = array()) {
// If $link_categories isn't already an array, make it one:
if (!is_array($link_categories) || 0 == count($link_categories))
$link_categories = array(get_option('default_link_category'));
$link_categories = array_map('intval', $link_categories);
$link_categories = array_unique($link_categories);
wp_set_object_terms($link_id, $link_categories, 'link_category');
} // wp_set_link_cats()
function post_exists($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'");
}
?>