cavepaintings/ext/approval/main.php

287 lines
9.5 KiB
PHP

<?php
declare(strict_types=1);
namespace Shimmie2;
abstract class ApprovalConfig
{
public const VERSION = "ext_approval_version";
public const IMAGES = "approve_images";
public const COMMENTS = "approve_comments";
}
class Approval extends Extension
{
/** @var ApprovalTheme */
protected ?Themelet $theme;
public function onInitExt(InitExtEvent $event)
{
global $config;
$config->set_default_bool(ApprovalConfig::IMAGES, false);
$config->set_default_bool(ApprovalConfig::COMMENTS, false);
Image::$bool_props[] = "approved";
}
public function onPageRequest(PageRequestEvent $event)
{
global $page, $user;
if ($event->page_matches("approve_image") && $user->can(Permissions::APPROVE_IMAGE)) {
// Try to get the image ID
$image_id = int_escape($event->get_arg(0));
if (empty($image_id)) {
$image_id = isset($_POST['image_id']) ? $_POST['image_id'] : null;
}
if (empty($image_id)) {
throw new SCoreException("Can not approve post: No valid Post ID given.");
}
self::approve_image($image_id);
$page->set_mode(PageMode::REDIRECT);
$page->set_redirect(make_link("post/view/" . $image_id));
}
if ($event->page_matches("disapprove_image") && $user->can(Permissions::APPROVE_IMAGE)) {
// Try to get the image ID
$image_id = int_escape($event->get_arg(0));
if (empty($image_id)) {
$image_id = isset($_POST['image_id']) ? $_POST['image_id'] : null;
}
if (empty($image_id)) {
throw new SCoreException("Can not disapprove image: No valid Post ID given.");
}
self::disapprove_image($image_id);
$page->set_mode(PageMode::REDIRECT);
$page->set_redirect(make_link("post/view/".$image_id));
}
}
public function onSetupBuilding(SetupBuildingEvent $event)
{
$this->theme->display_admin_block($event);
}
public function onAdminBuilding(AdminBuildingEvent $event)
{
$this->theme->display_admin_form();
}
public function onAdminAction(AdminActionEvent $event)
{
global $database, $user;
$action = $event->action;
$event->redirect = true;
if ($action==="approval") {
$approval_action = $_POST["approval_action"];
switch ($approval_action) {
case "approve_all":
$database->set_timeout(null); // These updates can take a little bit
$database->execute(
"UPDATE images SET approved = :true, approved_by_id = :approved_by_id WHERE approved = :false",
["approved_by_id"=>$user->id, "true"=>true, "false"=>false]
);
break;
case "disapprove_all":
$database->set_timeout(null); // These updates can take a little bit
$database->execute(
"UPDATE images SET approved = :false, approved_by_id = NULL WHERE approved = :true",
["true"=>true, "false"=>false]
);
break;
default:
break;
}
}
}
public function onDisplayingImage(DisplayingImageEvent $event)
{
global $page;
if (!$this->check_permissions(($event->image))) {
$page->set_mode(PageMode::REDIRECT);
$page->set_redirect(make_link("post/list"));
}
}
public function onPageSubNavBuilding(PageSubNavBuildingEvent $event)
{
global $user;
if ($event->parent=="posts") {
if ($user->can(Permissions::APPROVE_IMAGE)) {
$event->add_nav_link("posts_unapproved", new Link('/post/list/approved%3Ano/1'), "Pending Approval", null, 60);
}
}
}
public function onUserBlockBuilding(UserBlockBuildingEvent $event)
{
global $user;
if ($user->can(Permissions::APPROVE_IMAGE)) {
$event->add_link("Pending Approval", make_link("/post/list/approved%3Ano/1"), 60);
}
}
public const SEARCH_REGEXP = "/^approved:(yes|no)/";
public function onSearchTermParse(SearchTermParseEvent $event)
{
global $user, $config;
if ($config->get_bool(ApprovalConfig::IMAGES)) {
$matches = [];
if (is_null($event->term) && $this->no_approval_query($event->context)) {
$event->add_querylet(new Querylet("approved = :true", ["true"=>true]));
}
if (is_null($event->term)) {
return;
}
if (preg_match(self::SEARCH_REGEXP, strtolower($event->term), $matches)) {
if ($user->can(Permissions::APPROVE_IMAGE) && $matches[1] == "no") {
$event->add_querylet(new Querylet("approved != :true", ["true"=>true]));
} else {
$event->add_querylet(new Querylet("approved = :true", ["true"=>true]));
}
}
}
}
public function onHelpPageBuilding(HelpPageBuildingEvent $event)
{
global $user, $config;
if ($event->key===HelpPages::SEARCH) {
if ($user->can(Permissions::APPROVE_IMAGE) && $config->get_bool(ApprovalConfig::IMAGES)) {
$block = new Block();
$block->header = "Approval";
$block->body = $this->theme->get_help_html();
$event->add_block($block);
}
}
}
private function no_approval_query(array $context): bool
{
foreach ($context as $term) {
if (preg_match(self::SEARCH_REGEXP, $term)) {
return false;
}
}
return true;
}
public static function approve_image($image_id)
{
global $database, $user;
$database->execute(
"UPDATE images SET approved = :true, approved_by_id = :approved_by_id WHERE id = :id AND approved = :false",
["approved_by_id"=>$user->id, "id"=>$image_id, "true"=>true, "false"=>false]
);
}
public static function disapprove_image($image_id)
{
global $database;
$database->execute(
"UPDATE images SET approved = :false, approved_by_id = NULL WHERE id = :id AND approved = :true",
["id"=>$image_id, "true"=>true, "false"=>false]
);
}
private function check_permissions(Image $image): bool
{
global $user, $config;
if ($config->get_bool(ApprovalConfig::IMAGES) && $image->approved===false && !$user->can(Permissions::APPROVE_IMAGE) && $user->id!==$image->owner_id) {
return false;
}
return true;
}
public function onImageDownloading(ImageDownloadingEvent $event)
{
/**
* Deny images upon insufficient permissions.
**/
if (!$this->check_permissions($event->image)) {
throw new SCoreException("Access denied");
}
}
public function onImageAdminBlockBuilding(ImageAdminBlockBuildingEvent $event)
{
global $user, $config;
if ($user->can(Permissions::APPROVE_IMAGE) && $config->get_bool(ApprovalConfig::IMAGES)) {
$event->add_part($this->theme->get_image_admin_html($event->image));
}
}
public function onBulkActionBlockBuilding(BulkActionBlockBuildingEvent $event)
{
global $user, $config;
if ($user->can(Permissions::APPROVE_IMAGE)&& $config->get_bool(ApprovalConfig::IMAGES)) {
if (in_array("approved:no", $event->search_terms)) {
$event->add_action("bulk_approve_image", "Approve", "a");
} else {
$event->add_action("bulk_disapprove_image", "Disapprove");
}
}
}
public function onBulkAction(BulkActionEvent $event)
{
global $page, $user;
switch ($event->action) {
case "bulk_approve_image":
if ($user->can(Permissions::APPROVE_IMAGE)) {
$total = 0;
foreach ($event->items as $image) {
self::approve_image($image->id);
$total++;
}
$page->flash("Approved $total items");
}
break;
case "bulk_disapprove_image":
if ($user->can(Permissions::APPROVE_IMAGE)) {
$total = 0;
foreach ($event->items as $image) {
self::disapprove_image($image->id);
$total++;
}
$page->flash("Disapproved $total items");
}
break;
}
}
public function onDatabaseUpgrade(DatabaseUpgradeEvent $event)
{
global $database;
if ($this->get_version(ApprovalConfig::VERSION) < 1) {
$database->execute("ALTER TABLE images ADD COLUMN approved BOOLEAN NOT NULL DEFAULT FALSE");
$database->execute("ALTER TABLE images ADD COLUMN approved_by_id INTEGER NULL");
$database->execute("CREATE INDEX images_approved_idx ON images(approved)");
$this->set_version(ApprovalConfig::VERSION, 2);
}
if ($this->get_version(ApprovalConfig::VERSION) < 2) {
$database->standardise_boolean("images", "approved");
$this->set_version(ApprovalConfig::VERSION, 2);
}
}
}