cavepaintings/ext/rating/main.php

547 lines
18 KiB
PHP

<?php
declare(strict_types=1);
namespace Shimmie2;
/**
* @global ImageRating[] $_shm_ratings
*/
global $_shm_ratings;
$_shm_ratings = [];
class ImageRating
{
public string $name;
public string $code;
public string $search_term;
public int $order = 0;
public function __construct(string $code, string $name, string $search_term, int $order)
{
assert(strlen($code)==1, "Rating code must be exactly one character");
$this->name = $name;
$this->code = $code;
$this->search_term = $search_term;
$this->order = $order;
}
}
function add_rating(ImageRating $rating): void
{
global $_shm_ratings;
if ($rating->code == "?" && array_key_exists("?", $_shm_ratings)) {
throw new \RuntimeException("? is a reserved rating code that cannot be overridden");
}
if ($rating->code != "?" && in_array(strtolower($rating->search_term), Ratings::UNRATED_KEYWORDS)) {
throw new \RuntimeException("$rating->search_term is a reserved search term");
}
$_shm_ratings[$rating->code] = $rating;
}
add_rating(new ImageRating("?", "Unrated", "unrated", 99999));
add_rating(new ImageRating("s", "Safe", "safe", 0));
add_rating(new ImageRating("q", "Questionable", "questionable", 500));
add_rating(new ImageRating("e", "Explicit", "explicit", 1000));
/** @noinspection PhpIncludeInspection */
@include_once "data/config/ratings.conf.php";
class RatingSetEvent extends Event
{
public Image $image;
public string $rating;
public function __construct(Image $image, string $rating)
{
parent::__construct();
global $_shm_ratings;
assert(in_array($rating, array_keys($_shm_ratings)));
$this->image = $image;
$this->rating = $rating;
}
}
abstract class RatingsConfig
{
public const VERSION = "ext_ratings2_version";
public const USER_DEFAULTS = "ratings_default";
}
class Ratings extends Extension
{
/** @var RatingsTheme */
protected ?Themelet $theme;
public const UNRATED_KEYWORDS = ["unknown", "unrated"];
private string $search_regexp;
public function onInitExt(InitExtEvent $event)
{
global $config, $_shm_user_classes, $_shm_ratings;
$codes = implode("", array_keys($_shm_ratings));
$search_terms = [];
foreach ($_shm_ratings as $key => $rating) {
$search_terms[] = $rating->search_term;
}
$this->search_regexp = "/^rating[=|:](?:(\*|[" . $codes . "]+)|(" .
implode("|", $search_terms) . "|".implode("|", self::UNRATED_KEYWORDS)."))$/D";
foreach (array_keys($_shm_user_classes) as $key) {
if ($key == "base" || $key == "hellbanned") {
continue;
}
$config->set_default_array("ext_rating_" . $key . "_privs", array_keys($_shm_ratings));
}
}
private function check_permissions(Image $image): bool
{
global $user;
$user_view_level = Ratings::get_user_class_privs($user);
if (!in_array($image->rating, $user_view_level)) {
return false;
}
return true;
}
public function onInitUserConfig(InitUserConfigEvent $event)
{
$event->user_config->set_default_array(RatingsConfig::USER_DEFAULTS, self::get_user_class_privs($event->user));
}
public function onImageDownloading(ImageDownloadingEvent $event)
{
/**
* Deny images upon insufficient permissions.
**/
if (!$this->check_permissions($event->image)) {
throw new SCoreException("Access denied");
}
}
public function onUserOptionsBuilding(UserOptionsBuildingEvent $event)
{
global $user, $_shm_ratings;
$levels = self::get_user_class_privs($user);
$options = [];
foreach ($levels as $level) {
$options[$_shm_ratings[$level]->name] = $level;
}
$sb = $event->panel->create_new_block("Default Rating Filter");
$sb->start_table();
$sb->add_multichoice_option(RatingsConfig::USER_DEFAULTS, $options, "Output Log Level: ", true);
$sb->end_table();
$sb->add_label("This controls the default rating search results will be filtered by, and nothing else. To override in your search results, add rating:* to your search.");
}
public function onSetupBuilding(SetupBuildingEvent $event)
{
global $_shm_user_classes;
$ratings = self::get_sorted_ratings();
$options = [];
foreach ($ratings as $key => $rating) {
$options[$rating->name] = $rating->code;
}
$sb = $event->panel->create_new_block("Post Rating Visibility");
$sb->start_table();
foreach (array_keys($_shm_user_classes) as $key) {
if ($key == "base" || $key == "hellbanned") {
continue;
}
$sb->add_multichoice_option("ext_rating_" . $key . "_privs", $options, $key, true);
}
$sb->end_table();
}
public function onDisplayingImage(DisplayingImageEvent $event)
{
global $page;
/**
* Deny images upon insufficient permissions.
**/
if (!$this->check_permissions($event->image)) {
$page->set_mode(PageMode::REDIRECT);
$page->set_redirect(make_link("post/list"));
}
}
public function onBulkExport(BulkExportEvent $event)
{
$event->fields["rating"] = $event->image->rating;
}
public function onBulkImport(BulkImportEvent $event)
{
if (array_key_exists("rating", $event->fields)
&& $event->fields['rating'] != null
&& Ratings::rating_is_valid($event->fields['rating'])) {
$this->set_rating($event->image->id, $event->fields['rating'], "");
}
}
public function onRatingSet(RatingSetEvent $event)
{
if (empty($event->image->rating)) {
$old_rating = "";
} else {
$old_rating = $event->image->rating;
}
$this->set_rating($event->image->id, $event->rating, $old_rating);
}
public function onImageInfoBoxBuilding(ImageInfoBoxBuildingEvent $event)
{
global $user;
$event->add_part(
$this->theme->get_rater_html(
$event->image->id,
$event->image->rating,
$user->can(Permissions::EDIT_IMAGE_RATING)
),
80
);
}
public function onImageInfoSet(ImageInfoSetEvent $event)
{
global $user;
if ($user->can(Permissions::EDIT_IMAGE_RATING) && isset($_POST["rating"])) {
$rating = $_POST["rating"];
if (Ratings::rating_is_valid($rating)) {
send_event(new RatingSetEvent($event->image, $rating));
}
}
}
public function onParseLinkTemplate(ParseLinkTemplateEvent $event)
{
$event->replace('$rating', $this->rating_to_human($event->image->rating));
}
public function onHelpPageBuilding(HelpPageBuildingEvent $event)
{
if ($event->key===HelpPages::SEARCH) {
$block = new Block();
$block->header = "Ratings";
$ratings = self::get_sorted_ratings();
$block->body = $this->theme->get_help_html($ratings);
$event->add_block($block);
}
}
public function onSearchTermParse(SearchTermParseEvent $event)
{
global $user;
$matches = [];
if (is_null($event->term) && $this->no_rating_query($event->context)) {
$set = Ratings::privs_to_sql(Ratings::get_user_default_ratings());
$event->add_querylet(new Querylet("rating IN ($set)"));
}
if (is_null($event->term)) {
return;
}
if (preg_match($this->search_regexp, strtolower($event->term), $matches)) {
$ratings = $matches[1] ? $matches[1] : $matches[2][0];
if (count($matches)>2&&in_array($matches[2], self::UNRATED_KEYWORDS)) {
$ratings = "?";
}
if ($ratings == '*') {
$ratings = Ratings::get_user_class_privs($user);
} else {
$ratings = array_intersect(str_split($ratings), Ratings::get_user_class_privs($user));
}
$set = "'" . join("', '", $ratings) . "'";
$event->add_querylet(new Querylet("rating IN ($set)"));
}
}
public function onTagTermCheck(TagTermCheckEvent $event)
{
if (preg_match($this->search_regexp, $event->term)) {
$event->metatag = true;
}
}
public function onTagTermParse(TagTermParseEvent $event)
{
global $user;
$matches = [];
if (preg_match($this->search_regexp, strtolower($event->term), $matches)) {
$ratings = $matches[1] ? $matches[1] : $matches[2][0];
if (count($matches)>2&&in_array($matches[2], self::UNRATED_KEYWORDS)) {
$ratings = "?";
}
$ratings = array_intersect(str_split($ratings), Ratings::get_user_class_privs($user));
$rating = $ratings[0];
$image = Image::by_id($event->image_id);
$re = new RatingSetEvent($image, strval($rating));
send_event($re);
}
}
public function onAdminBuilding(AdminBuildingEvent $event)
{
global $database, $_shm_ratings;
$results = $database->get_col("SELECT DISTINCT rating FROM images ORDER BY rating");
$original_values = [];
foreach ($results as $result) {
if (array_key_exists($result, $_shm_ratings)) {
$original_values[$result] = $_shm_ratings[$result]->name;
} else {
$original_values[$result] = $result;
}
}
$this->theme->display_form($original_values, self::get_sorted_ratings());
}
public function onAdminAction(AdminActionEvent $event)
{
global $database, $user;
$action = $event->action;
switch ($action) {
case "update_ratings":
$event->redirect = true;
if (!array_key_exists("rating_old", $_POST) || empty($_POST["rating_old"])) {
return;
}
if (!array_key_exists("rating_new", $_POST) || empty($_POST["rating_new"])) {
return;
}
$old = $_POST["rating_old"];
$new = $_POST["rating_new"];
if ($user->can(Permissions::BULK_EDIT_IMAGE_RATING)) {
$database->execute("UPDATE images SET rating = :new WHERE rating = :old", ["new"=>$new, "old"=>$old ]);
}
break;
}
}
public function onBulkActionBlockBuilding(BulkActionBlockBuildingEvent $event)
{
global $user;
if ($user->can(Permissions::BULK_EDIT_IMAGE_RATING)) {
$event->add_action("bulk_rate", "Set (R)ating", "r", "", $this->theme->get_selection_rater_html(["?"]));
}
}
public function onBulkAction(BulkActionEvent $event)
{
global $page, $user;
switch ($event->action) {
case "bulk_rate":
if (!isset($_POST['rating'])) {
return;
}
if ($user->can(Permissions::BULK_EDIT_IMAGE_RATING)) {
$rating = $_POST['rating'];
$total = 0;
foreach ($event->items as $image) {
send_event(new RatingSetEvent($image, $rating));
$total++;
}
$page->flash("Rating set for $total items");
}
break;
}
}
public function onPageRequest(PageRequestEvent $event)
{
global $user, $page;
if ($event->page_matches("admin/bulk_rate")) {
if (!$user->can(Permissions::BULK_EDIT_IMAGE_RATING)) {
throw new PermissionDeniedException("Permission denied");
} else {
$n = 0;
while (true) {
$images = Image::find_images($n, 100, Tag::explode($_POST["query"]));
if (count($images) == 0) {
break;
}
reset($images); // rewind to first element in array.
foreach ($images as $image) {
send_event(new RatingSetEvent($image, $_POST['rating']));
}
$n += 100;
}
#$database->execute("
# update images set rating=:rating where images.id in (
# select image_id from image_tags join tags
# on image_tags.tag_id = tags.id where tags.tag = :tag);
# ", ['rating'=>$_POST["rating"], 'tag'=>$_POST["tag"]]);
$page->set_mode(PageMode::REDIRECT);
$page->set_redirect(make_link("post/list"));
}
}
}
public static function get_sorted_ratings(): array
{
global $_shm_ratings;
$ratings = array_values($_shm_ratings);
usort($ratings, function ($a, $b) {
return $a->order <=> $b->order;
});
return $ratings;
}
public static function get_user_class_privs(User $user): array
{
global $config;
return $config->get_array("ext_rating_".$user->class->name."_privs");
}
public static function get_user_default_ratings(): array
{
global $user_config, $user;
$available = self::get_user_class_privs($user);
$selected = $user_config->get_array(RatingsConfig::USER_DEFAULTS);
return array_intersect($available, $selected);
}
public static function privs_to_sql(array $privs): string
{
$arr = [];
foreach ($privs as $i) {
$arr[] = "'" . $i . "'";
}
if (sizeof($arr)==0) {
return "' '";
}
return join(', ', $arr);
}
public static function rating_to_human(string $rating): string
{
global $_shm_ratings;
if (array_key_exists($rating, $_shm_ratings)) {
return $_shm_ratings[$rating]->name;
}
return "Unknown";
}
public static function rating_is_valid(string $rating): bool
{
global $_shm_ratings;
return in_array($rating, array_keys($_shm_ratings));
}
/**
* #param string[] $context
*/
private function no_rating_query(array $context): bool
{
foreach ($context as $term) {
if (preg_match("/^rating[=|:]/", $term)) {
return false;
}
}
return true;
}
public function onDatabaseUpgrade(DatabaseUpgradeEvent $event)
{
global $database, $config;
if ($this->get_version(RatingsConfig::VERSION) < 1) {
$database->execute("ALTER TABLE images ADD COLUMN rating CHAR(1) NOT NULL DEFAULT '?'");
$database->execute("CREATE INDEX images__rating ON images(rating)");
$this->set_version(RatingsConfig::VERSION, 3);
}
if ($this->get_version(RatingsConfig::VERSION) < 2) {
$database->execute("CREATE INDEX images__rating ON images(rating)");
$this->set_version(RatingsConfig::VERSION, 2);
}
if ($this->get_version(RatingsConfig::VERSION) < 3) {
$database->execute("UPDATE images SET rating = 'u' WHERE rating is null");
switch ($database->get_driver_id()) {
case DatabaseDriverID::MYSQL:
$database->execute("ALTER TABLE images CHANGE rating rating CHAR(1) NOT NULL DEFAULT 'u'");
break;
case DatabaseDriverID::PGSQL:
$database->execute("ALTER TABLE images ALTER COLUMN rating SET DEFAULT 'u'");
$database->execute("ALTER TABLE images ALTER COLUMN rating SET NOT NULL");
break;
}
$this->set_version(RatingsConfig::VERSION, 3);
}
if ($this->get_version(RatingsConfig::VERSION) < 4) {
$value = $config->get_string("ext_rating_anon_privs");
if (!empty($value)) {
$config->set_array("ext_rating_anonymous_privs", str_split($value));
}
$value = $config->get_string("ext_rating_user_privs");
if (!empty($value)) {
$config->set_array("ext_rating_user_privs", str_split($value));
}
$value = $config->get_string("ext_rating_admin_privs");
if (!empty($value)) {
$config->set_array("ext_rating_admin_privs", str_split($value));
}
switch ($database->get_driver_id()) {
case DatabaseDriverID::MYSQL:
$database->execute("ALTER TABLE images CHANGE rating rating CHAR(1) NOT NULL DEFAULT '?'");
break;
case DatabaseDriverID::PGSQL:
$database->execute("ALTER TABLE images ALTER COLUMN rating SET DEFAULT '?'");
break;
}
$database->set_timeout(null); // These updates can take a little bit
$database->execute("UPDATE images SET rating = :new WHERE rating = :old", ["new"=>'?', "old"=>'u' ]);
$this->set_version(RatingsConfig::VERSION, 4);
}
}
private function set_rating(int $image_id, string $rating, string $old_rating)
{
global $database;
if ($old_rating != $rating) {
$database->execute("UPDATE images SET rating=:rating WHERE id=:id", ['rating'=>$rating, 'id'=>$image_id]);
log_info("rating", "Rating for >>{$image_id} set to: ".$this->rating_to_human($rating));
}
}
}