/**
* Catches page loads, determines what to do, and sends users on their merry way
*
* @package BuddyPress Docs
* @since 1.0-beta
* @todo This needs a ton of cleanup
*/
function catch_page_load()
{
global $bp;
if (!empty($_POST['doc-edit-submit'])) {
check_admin_referer('bp_docs_save');
$this_doc = new BP_Docs_Query();
$result = $this_doc->save();
bp_core_add_message($result['message'], $result['message_type']);
bp_core_redirect(trailingslashit($result['redirect_url']));
}
if (!empty($_POST['docs-filter-submit'])) {
$this->handle_filters();
}
// If this is the edit screen, ensure that the user can edit the
// doc before querying, and redirect if necessary
if (bp_docs_is_doc_edit()) {
if (current_user_can('bp_docs_edit')) {
$doc = bp_docs_get_current_doc();
// The user can edit, so we check for edit locks
// Because we're not using WP autosave at the moment, ensure that
// the lock interval always returns as in process
add_filter('wp_check_post_lock_window', create_function(false, 'return time();'));
$lock = bp_docs_check_post_lock($doc->ID);
if ($lock) {
bp_core_add_message(sprintf(__('This doc is currently being edited by %s. To prevent overwrites, you cannot edit until that user has finished. Please try again in a few minutes.', 'bp-docs'), bp_core_get_user_displayname($lock)), 'error');
// Redirect back to the non-edit view of this document
bp_core_redirect(bp_docs_get_doc_link($doc->ID));
die;
}
} else {
if (function_exists('bp_core_no_access') && !is_user_logged_in()) {
bp_core_no_access();
}
// The user does not have edit permission. Redirect.
bp_core_add_message(__('You do not have permission to edit the doc.', 'bp-docs'), 'error');
// Redirect back to the non-edit view of this document
bp_core_redirect(bp_docs_get_doc_link($doc->ID));
die;
}
}
if (bp_docs_is_doc_create()) {
if (!current_user_can('bp_docs_create')) {
// The user does not have edit permission. Redirect.
if (function_exists('bp_core_no_access') && !is_user_logged_in()) {
bp_core_no_access();
}
bp_core_add_message(__('You do not have permission to create a Doc in this group.', 'bp-docs'), 'error');
$group_permalink = bp_get_group_permalink($bp->groups->current_group);
// Redirect back to the Doc list view
bp_core_redirect($group_permalink . $bp->bp_docs->slug . '/');
die;
}
}
if (!empty($bp->bp_docs->current_view) && 'history' == $bp->bp_docs->current_view) {
if (!current_user_can('bp_docs_view_history')) {
// The user does not have edit permission. Redirect.
if (function_exists('bp_core_no_access') && !is_user_logged_in()) {
bp_core_no_access();
}
bp_core_add_message(__('You do not have permission to view this Doc\'s history.', 'bp-docs'), 'error');
$doc = bp_docs_get_current_doc();
$redirect = bp_docs_get_doc_link($doc->ID);
// Redirect back to the Doc list view
bp_core_redirect($redirect);
die;
}
}
// Cancel edit lock
if (!empty($_GET['bpd_action']) && $_GET['bpd_action'] == 'cancel_edit_lock') {
// Check the nonce
check_admin_referer('bp_docs_cancel_edit_lock');
// Todo: make this part of the perms system
if (is_super_admin() || bp_group_is_admin()) {
$doc = bp_docs_get_current_doc();
// Todo: get this into a proper method as well, blech
delete_post_meta($doc->ID, '_bp_docs_last_pinged');
bp_core_add_message(__('Lock successfully removed', 'bp-docs'));
bp_core_redirect(bp_docs_get_doc_link($doc->ID));
die;
}
}
// Cancel edit
// Have to have a catcher for this so the edit lock can be removed
if (!empty($_GET['bpd_action']) && $_GET['bpd_action'] == 'cancel_edit') {
$doc = bp_docs_get_current_doc();
// Todo: get this into a proper method as well, blech
delete_post_meta($doc->ID, '_bp_docs_last_pinged');
bp_core_redirect(bp_docs_get_doc_link($doc->ID));
die;
}
// Todo: get this into a proper method
if (bp_docs_is_doc_read() && !empty($_GET['delete'])) {
check_admin_referer('bp_docs_delete');
if (current_user_can('bp_docs_manage')) {
$delete_doc_id = get_queried_object_id();
if (bp_docs_trash_doc($delete_doc_id)) {
bp_core_add_message(__('Doc successfully deleted!', 'bp-docs'));
} else {
bp_core_add_message(__('Could not delete doc.', 'bp-docs'));
}
} else {
bp_core_add_message(__('You do not have permission to delete that doc.', 'bp-docs'), 'error');
}
bp_core_redirect(home_url(bp_docs_get_docs_slug()));
die;
}
if (bp_docs_is_doc_read() && !empty($_GET['untrash']) && !empty($_GET['doc_id'])) {
check_admin_referer('bp_docs_untrash');
$untrash_doc_id = absint($_GET['doc_id']);
if (current_user_can('bp_docs_manage', $untrash_doc_id)) {
if (bp_docs_untrash_doc($untrash_doc_id)) {
bp_core_add_message(__('Doc successfully removed from Trash!', 'bp-docs'));
} else {
bp_core_add_message(__('Could not remove Doc from Trash.', 'bp-docs'));
}
} else {
bp_core_add_message(__('You do not have permission to remove that Doc from the Trash.', 'bp-docs'), 'error');
}
bp_core_redirect(bp_docs_get_doc_link($untrash_doc_id));
die;
}
}
/**
* AJAX handler for setting edit lock.
*
* Called when a user enters an Edit page.
*
* @since 1.6.0
*/
function bp_docs_add_edit_lock_cb()
{
$doc_id = isset($_POST['doc_id']) ? (int) $_POST['doc_id'] : false;
if (!$doc_id) {
return;
}
$doc = get_post($doc_id);
if (!$doc || is_wp_error($doc)) {
return;
}
if (bp_docs_get_post_type_name() !== $doc->post_type) {
return;
}
if (!is_user_logged_in()) {
return;
}
// Is this post already locked?
$lock = bp_docs_check_post_lock($doc_id);
if (!empty($lock) && $lock != bp_loggedin_user_id()) {
die;
}
$now = time();
$user_id = bp_loggedin_user_id();
$lock = "{$now}:{$user_id}";
update_post_meta($doc_id, '_bp_docs_last_pinged', $lock);
die(json_encode('1'));
}
/**
* Get the lock status of a doc
*
* The function first tries to get the lock status out of $bp. If it has to look it up, it
* stores the data in $bp for future use.
*
* @package BuddyPress Docs
* @since 1.0-beta-2
*
* @param int $doc_id Optional. Defaults to the doc currently being viewed
* @return int Returns 0 if there is no lock, otherwise returns the user_id of the locker
*/
function bp_docs_is_doc_edit_locked($doc_id = false)
{
global $bp, $post;
// Try to get the lock out of $bp first
if (isset($bp->bp_docs->current_doc_lock)) {
$is_edit_locked = $bp->bp_docs->current_doc_lock;
} else {
$is_edit_locked = 0;
if (empty($doc_id)) {
$doc_id = !empty($post->ID) ? $post->ID : false;
}
if ($doc_id) {
// Because we're not using WP autosave at the moment, ensure that
// the lock interval always returns as in process
add_filter('wp_check_post_lock_window', create_function(false, 'return time();'));
$is_edit_locked = bp_docs_check_post_lock($doc_id);
}
// Put into the $bp global to avoid extra lookups
$bp->bp_docs->current_doc_lock = $is_edit_locked;
}
return apply_filters('bp_docs_is_doc_edit_locked', $is_edit_locked, $doc_id);
}
