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tt-rss/classes/Prefs.php

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<?php
class Prefs {
// (this is the database-backed version of Config.php)
const PURGE_OLD_DAYS = "PURGE_OLD_DAYS";
const DEFAULT_UPDATE_INTERVAL = "DEFAULT_UPDATE_INTERVAL";
//const DEFAULT_ARTICLE_LIMIT = "DEFAULT_ARTICLE_LIMIT";
//const ALLOW_DUPLICATE_POSTS = "ALLOW_DUPLICATE_POSTS";
const ENABLE_FEED_CATS = "ENABLE_FEED_CATS";
const SHOW_CONTENT_PREVIEW = "SHOW_CONTENT_PREVIEW";
const SHORT_DATE_FORMAT = "SHORT_DATE_FORMAT";
const LONG_DATE_FORMAT = "LONG_DATE_FORMAT";
const COMBINED_DISPLAY_MODE = "COMBINED_DISPLAY_MODE";
const HIDE_READ_FEEDS = "HIDE_READ_FEEDS";
const ON_CATCHUP_SHOW_NEXT_FEED = "ON_CATCHUP_SHOW_NEXT_FEED";
const FEEDS_SORT_BY_UNREAD = "FEEDS_SORT_BY_UNREAD";
const REVERSE_HEADLINES = "REVERSE_HEADLINES";
const DIGEST_ENABLE = "DIGEST_ENABLE";
const CONFIRM_FEED_CATCHUP = "CONFIRM_FEED_CATCHUP";
const CDM_AUTO_CATCHUP = "CDM_AUTO_CATCHUP";
const _DEFAULT_VIEW_MODE = "_DEFAULT_VIEW_MODE";
const _DEFAULT_VIEW_LIMIT = "_DEFAULT_VIEW_LIMIT";
//const _PREFS_ACTIVE_TAB = "_PREFS_ACTIVE_TAB";
//const STRIP_UNSAFE_TAGS = "STRIP_UNSAFE_TAGS";
const BLACKLISTED_TAGS = "BLACKLISTED_TAGS";
const FRESH_ARTICLE_MAX_AGE = "FRESH_ARTICLE_MAX_AGE";
const DIGEST_CATCHUP = "DIGEST_CATCHUP";
const CDM_EXPANDED = "CDM_EXPANDED";
const PURGE_UNREAD_ARTICLES = "PURGE_UNREAD_ARTICLES";
const HIDE_READ_SHOWS_SPECIAL = "HIDE_READ_SHOWS_SPECIAL";
const VFEED_GROUP_BY_FEED = "VFEED_GROUP_BY_FEED";
const STRIP_IMAGES = "STRIP_IMAGES";
const _DEFAULT_VIEW_ORDER_BY = "_DEFAULT_VIEW_ORDER_BY";
const ENABLE_API_ACCESS = "ENABLE_API_ACCESS";
//const _COLLAPSED_SPECIAL = "_COLLAPSED_SPECIAL";
//const _COLLAPSED_LABELS = "_COLLAPSED_LABELS";
//const _COLLAPSED_UNCAT = "_COLLAPSED_UNCAT";
//const _COLLAPSED_FEEDLIST = "_COLLAPSED_FEEDLIST";
//const _MOBILE_ENABLE_CATS = "_MOBILE_ENABLE_CATS";
//const _MOBILE_SHOW_IMAGES = "_MOBILE_SHOW_IMAGES";
//const _MOBILE_HIDE_READ = "_MOBILE_HIDE_READ";
//const _MOBILE_SORT_FEEDS_UNREAD = "_MOBILE_SORT_FEEDS_UNREAD";
//const _MOBILE_BROWSE_CATS = "_MOBILE_BROWSE_CATS";
//const _THEME_ID = "_THEME_ID";
const USER_TIMEZONE = "USER_TIMEZONE";
const USER_STYLESHEET = "USER_STYLESHEET";
//const SORT_HEADLINES_BY_FEED_DATE = "SORT_HEADLINES_BY_FEED_DATE";
const SSL_CERT_SERIAL = "SSL_CERT_SERIAL";
const DIGEST_PREFERRED_TIME = "DIGEST_PREFERRED_TIME";
//const _PREFS_SHOW_EMPTY_CATS = "_PREFS_SHOW_EMPTY_CATS";
const _DEFAULT_INCLUDE_CHILDREN = "_DEFAULT_INCLUDE_CHILDREN";
//const AUTO_ASSIGN_LABELS = "AUTO_ASSIGN_LABELS";
const _ENABLED_PLUGINS = "_ENABLED_PLUGINS";
//const _MOBILE_REVERSE_HEADLINES = "_MOBILE_REVERSE_HEADLINES";
const USER_CSS_THEME = "USER_CSS_THEME";
const USER_LANGUAGE = "USER_LANGUAGE";
const DEFAULT_SEARCH_LANGUAGE = "DEFAULT_SEARCH_LANGUAGE";
const _PREFS_MIGRATED = "_PREFS_MIGRATED";
const HEADLINES_NO_DISTINCT = "HEADLINES_NO_DISTINCT";
const DEBUG_HEADLINE_IDS = "DEBUG_HEADLINE_IDS";
const DISABLE_CONDITIONAL_COUNTERS = "DISABLE_CONDITIONAL_COUNTERS";
const WIDESCREEN_MODE = "WIDESCREEN_MODE";
const CDM_ENABLE_GRID = "CDM_ENABLE_GRID";
const DIGEST_MIN_SCORE = "DIGEST_MIN_SCORE";
private const _DEFAULTS = [
Prefs::PURGE_OLD_DAYS => [ 60, Config::T_INT ],
Prefs::DEFAULT_UPDATE_INTERVAL => [ 30, Config::T_INT ],
//Prefs::DEFAULT_ARTICLE_LIMIT => [ 30, Config::T_INT ],
//Prefs::ALLOW_DUPLICATE_POSTS => [ false, Config::T_BOOL ],
Prefs::ENABLE_FEED_CATS => [ true, Config::T_BOOL ],
Prefs::SHOW_CONTENT_PREVIEW => [ true, Config::T_BOOL ],
Prefs::SHORT_DATE_FORMAT => [ "M d, G:i", Config::T_STRING ],
Prefs::LONG_DATE_FORMAT => [ "D, M d Y - G:i", Config::T_STRING ],
Prefs::COMBINED_DISPLAY_MODE => [ true, Config::T_BOOL ],
Prefs::HIDE_READ_FEEDS => [ false, Config::T_BOOL ],
Prefs::ON_CATCHUP_SHOW_NEXT_FEED => [ false, Config::T_BOOL ],
Prefs::FEEDS_SORT_BY_UNREAD => [ false, Config::T_BOOL ],
Prefs::REVERSE_HEADLINES => [ false, Config::T_BOOL ],
Prefs::DIGEST_ENABLE => [ false, Config::T_BOOL ],
Prefs::CONFIRM_FEED_CATCHUP => [ true, Config::T_BOOL ],
Prefs::CDM_AUTO_CATCHUP => [ false, Config::T_BOOL ],
Prefs::_DEFAULT_VIEW_MODE => [ "adaptive", Config::T_STRING ],
Prefs::_DEFAULT_VIEW_LIMIT => [ 30, Config::T_INT ],
//Prefs::_PREFS_ACTIVE_TAB => [ "", Config::T_STRING ],
//Prefs::STRIP_UNSAFE_TAGS => [ true, Config::T_BOOL ],
Prefs::BLACKLISTED_TAGS => [ 'main, generic, misc, uncategorized, blog, blogroll, general, news', Config::T_STRING ],
Prefs::FRESH_ARTICLE_MAX_AGE => [ 24, Config::T_INT ],
Prefs::DIGEST_CATCHUP => [ false, Config::T_BOOL ],
Prefs::CDM_EXPANDED => [ true, Config::T_BOOL ],
Prefs::PURGE_UNREAD_ARTICLES => [ true, Config::T_BOOL ],
Prefs::HIDE_READ_SHOWS_SPECIAL => [ true, Config::T_BOOL ],
Prefs::VFEED_GROUP_BY_FEED => [ false, Config::T_BOOL ],
Prefs::STRIP_IMAGES => [ false, Config::T_BOOL ],
Prefs::_DEFAULT_VIEW_ORDER_BY => [ "default", Config::T_STRING ],
Prefs::ENABLE_API_ACCESS => [ false, Config::T_BOOL ],
//Prefs::_COLLAPSED_SPECIAL => [ false, Config::T_BOOL ],
//Prefs::_COLLAPSED_LABELS => [ false, Config::T_BOOL ],
//Prefs::_COLLAPSED_UNCAT => [ false, Config::T_BOOL ],
//Prefs::_COLLAPSED_FEEDLIST => [ false, Config::T_BOOL ],
//Prefs::_MOBILE_ENABLE_CATS => [ false, Config::T_BOOL ],
//Prefs::_MOBILE_SHOW_IMAGES => [ false, Config::T_BOOL ],
//Prefs::_MOBILE_HIDE_READ => [ false, Config::T_BOOL ],
//Prefs::_MOBILE_SORT_FEEDS_UNREAD => [ false, Config::T_BOOL ],
//Prefs::_MOBILE_BROWSE_CATS => [ true, Config::T_BOOL ],
//Prefs::_THEME_ID => [ 0, Config::T_BOOL ],
Prefs::USER_TIMEZONE => [ "Automatic", Config::T_STRING ],
Prefs::USER_STYLESHEET => [ "", Config::T_STRING ],
//Prefs::SORT_HEADLINES_BY_FEED_DATE => [ false, Config::T_BOOL ],
Prefs::SSL_CERT_SERIAL => [ "", Config::T_STRING ],
Prefs::DIGEST_PREFERRED_TIME => [ "00:00", Config::T_STRING ],
//Prefs::_PREFS_SHOW_EMPTY_CATS => [ false, Config::T_BOOL ],
Prefs::_DEFAULT_INCLUDE_CHILDREN => [ false, Config::T_BOOL ],
//Prefs::AUTO_ASSIGN_LABELS => [ false, Config::T_BOOL ],
Prefs::_ENABLED_PLUGINS => [ "", Config::T_STRING ],
//Prefs::_MOBILE_REVERSE_HEADLINES => [ false, Config::T_BOOL ],
Prefs::USER_CSS_THEME => [ "" , Config::T_STRING ],
Prefs::USER_LANGUAGE => [ "" , Config::T_STRING ],
Prefs::DEFAULT_SEARCH_LANGUAGE => [ "" , Config::T_STRING ],
Prefs::_PREFS_MIGRATED => [ false, Config::T_BOOL ],
Prefs::HEADLINES_NO_DISTINCT => [ false, Config::T_BOOL ],
Prefs::DEBUG_HEADLINE_IDS => [ false, Config::T_BOOL ],
Prefs::DISABLE_CONDITIONAL_COUNTERS => [ false, Config::T_BOOL ],
Prefs::WIDESCREEN_MODE => [ false, Config::T_BOOL ],
Prefs::CDM_ENABLE_GRID => [ false, Config::T_BOOL ],
Prefs::DIGEST_MIN_SCORE => [ 0, Config::T_INT ],
];
const _PROFILE_BLACKLIST = [
//Prefs::ALLOW_DUPLICATE_POSTS,
Prefs::PURGE_OLD_DAYS,
Prefs::PURGE_UNREAD_ARTICLES,
Prefs::DIGEST_ENABLE,
Prefs::DIGEST_CATCHUP,
Prefs::BLACKLISTED_TAGS,
Prefs::ENABLE_API_ACCESS,
//Prefs::UPDATE_POST_ON_CHECKSUM_CHANGE,
Prefs::DEFAULT_UPDATE_INTERVAL,
Prefs::USER_TIMEZONE,
//Prefs::SORT_HEADLINES_BY_FEED_DATE,
Prefs::SSL_CERT_SERIAL,
Prefs::DIGEST_PREFERRED_TIME,
Prefs::DIGEST_MIN_SCORE,
Prefs::_PREFS_MIGRATED
];
private static ?Prefs $instance = null;
/** @var array<string, bool|int|string> */
private array $cache = [];
private ?PDO $pdo = null;
public static function get_instance() : Prefs {
if (self::$instance == null)
self::$instance = new self();
return self::$instance;
}
static function is_valid(string $pref_name): bool {
return isset(self::_DEFAULTS[$pref_name]);
}
static function get_default(string $pref_name): bool|int|null|string {
if (self::is_valid($pref_name))
return self::_DEFAULTS[$pref_name][0];
else
return null;
}
function __construct() {
$this->pdo = Db::pdo();
if (!empty($_SESSION["uid"])) {
$owner_uid = (int) $_SESSION["uid"];
$profile_id = $_SESSION["profile"] ?? null;
$this->cache_all($owner_uid, $profile_id);
$this->migrate($owner_uid, $profile_id);
};
}
private function __clone() {
//
}
/**
* @return array<int, array<string, bool|int|null|string>>
*/
static function get_all(int $owner_uid, ?int $profile_id = null): array {
return self::get_instance()->_get_all($owner_uid, $profile_id);
}
/**
* @return array<int, array<string, bool|int|null|string>>
*/
private function _get_all(int $owner_uid, ?int $profile_id = null): array {
$rv = [];
$ref = new ReflectionClass(get_class($this));
foreach ($ref->getConstants() as $const => $cvalue) {
if (isset($this::_DEFAULTS[$const])) {
list ($def_val, $type_hint) = $this::_DEFAULTS[$const];
array_push($rv, [
"pref_name" => $const,
"value" => $this->_get($const, $owner_uid, $profile_id),
"type_hint" => $type_hint,
]);
}
}
return $rv;
}
private function cache_all(int $owner_uid, ?int $profile_id): void {
if (!$profile_id) $profile_id = null;
// fill cache with defaults
$ref = new ReflectionClass(get_class($this));
foreach ($ref->getConstants() as $const => $cvalue) {
if (isset($this::_DEFAULTS[$const])) {
list ($def_val, $type_hint) = $this::_DEFAULTS[$const];
$this->_set_cache($const, $def_val, $owner_uid, $profile_id);
}
}
if (Config::get_schema_version() >= 141) {
// fill in any overrides from the database
$sth = $this->pdo->prepare("SELECT pref_name, value FROM ttrss_user_prefs2
WHERE owner_uid = :uid AND
(profile = :profile OR (:profile IS NULL AND profile IS NULL))");
$sth->execute(["uid" => $owner_uid, "profile" => $profile_id]);
while ($row = $sth->fetch()) {
$this->_set_cache($row["pref_name"], $row["value"], $owner_uid, $profile_id);
}
}
}
static function get(string $pref_name, int $owner_uid, ?int $profile_id = null): bool|int|null|string {
return self::get_instance()->_get($pref_name, $owner_uid, $profile_id);
}
private function _get(string $pref_name, int $owner_uid, ?int $profile_id): bool|int|null|string {
if (isset(self::_DEFAULTS[$pref_name])) {
if (!$profile_id || in_array($pref_name, self::_PROFILE_BLACKLIST)) $profile_id = null;
list ($def_val, $type_hint) = self::_DEFAULTS[$pref_name];
if ($this->_is_cached($pref_name, $owner_uid, $profile_id)) {
$cached_value = $this->_get_cache($pref_name, $owner_uid, $profile_id);
return Config::cast_to($cached_value, $type_hint);
} else if (Config::get_schema_version() >= 141) {
$sth = $this->pdo->prepare("SELECT value FROM ttrss_user_prefs2
WHERE pref_name = :name AND owner_uid = :uid AND
(profile = :profile OR (:profile IS NULL AND profile IS NULL))");
$sth->execute(["uid" => $owner_uid, "profile" => $profile_id, "name" => $pref_name ]);
if ($row = $sth->fetch(PDO::FETCH_ASSOC)) {
$this->_set_cache($pref_name, $row["value"], $owner_uid, $profile_id);
return Config::cast_to($row["value"], $type_hint);
} else {
$this->_set_cache($pref_name, $def_val, $owner_uid, $profile_id);
return $def_val;
}
} else {
return Config::cast_to($def_val, $type_hint);
}
} else {
user_error("Attempt to get invalid preference key: $pref_name (UID: $owner_uid, profile: $profile_id)", E_USER_WARNING);
}
return null;
}
private function _is_cached(string $pref_name, int $owner_uid, ?int $profile_id): bool {
$cache_key = sprintf("%d/%d/%s", $owner_uid, $profile_id, $pref_name);
return isset($this->cache[$cache_key]);
}
private function _get_cache(string $pref_name, int $owner_uid, ?int $profile_id): bool|int|null|string {
$cache_key = sprintf("%d/%d/%s", $owner_uid, $profile_id, $pref_name);
return $this->cache[$cache_key] ?? null;
}
private function _set_cache(string $pref_name, bool|int|string $value, int $owner_uid, ?int $profile_id): void {
$cache_key = sprintf("%d/%d/%s", $owner_uid, $profile_id, $pref_name);
$this->cache[$cache_key] = $value;
}
static function set(string $pref_name, bool|int|string $value, int $owner_uid, ?int $profile_id, bool $strip_tags = true): bool {
return self::get_instance()->_set($pref_name, $value, $owner_uid, $profile_id);
}
private function _set(string $pref_name, bool|int|string $value, int $owner_uid, ?int $profile_id, bool $strip_tags = true): bool {
if (!$profile_id) $profile_id = null;
if ($profile_id && in_array($pref_name, self::_PROFILE_BLACKLIST))
return false;
if (isset(self::_DEFAULTS[$pref_name])) {
list ($def_val, $type_hint) = self::_DEFAULTS[$pref_name];
if ($strip_tags)
$value = trim(strip_tags($value));
$value = Config::cast_to($value, $type_hint);
if ($value == $this->_get($pref_name, $owner_uid, $profile_id))
return true; // no need to actually set this to the same value, let's just say we did
$this->_set_cache($pref_name, $value, $owner_uid, $profile_id);
$sth = $this->pdo->prepare("SELECT COUNT(pref_name) AS count FROM ttrss_user_prefs2
WHERE pref_name = :name AND owner_uid = :uid AND
(profile = :profile OR (:profile IS NULL AND profile IS NULL))");
$sth->execute(["uid" => $owner_uid, "profile" => $profile_id, "name" => $pref_name ]);
if ($row = $sth->fetch()) {
if ($row["count"] == 0) {
$sth = $this->pdo->prepare("INSERT INTO ttrss_user_prefs2
(pref_name, value, owner_uid, profile)
VALUES
(:name, :value, :uid, :profile)");
return $sth->execute(["uid" => $owner_uid, "profile" => $profile_id, "name" => $pref_name, "value" => $value ]);
} else {
$sth = $this->pdo->prepare("UPDATE ttrss_user_prefs2
SET value = :value
WHERE pref_name = :name AND owner_uid = :uid AND
(profile = :profile OR (:profile IS NULL AND profile IS NULL))");
return $sth->execute(["uid" => $owner_uid, "profile" => $profile_id, "name" => $pref_name, "value" => $value ]);
}
}
} else {
user_error("Attempt to set invalid preference key: $pref_name (UID: $owner_uid, profile: $profile_id)", E_USER_WARNING);
}
return false;
}
function migrate(int $owner_uid, ?int $profile_id): void {
if (Config::get_schema_version() < 141)
return;
if (!$profile_id) $profile_id = null;
if (!$this->_get(Prefs::_PREFS_MIGRATED, $owner_uid, $profile_id)) {
$in_nested_tr = false;
try {
$this->pdo->beginTransaction();
} catch (PDOException $e) {
$in_nested_tr = true;
}
$sth = $this->pdo->prepare("SELECT pref_name, value FROM ttrss_user_prefs
WHERE owner_uid = :uid AND
(profile = :profile OR (:profile IS NULL AND profile IS NULL))");
$sth->execute(["uid" => $owner_uid, "profile" => $profile_id]);
while ($row = $sth->fetch(PDO::FETCH_ASSOC)) {
if (isset(self::_DEFAULTS[$row["pref_name"]])) {
list ($def_val, $type_hint) = self::_DEFAULTS[$row["pref_name"]];
$user_val = Config::cast_to($row["value"], $type_hint);
if ($user_val != $def_val) {
$this->_set($row["pref_name"], $user_val, $owner_uid, $profile_id);
}
}
}
$this->_set(Prefs::_PREFS_MIGRATED, "1", $owner_uid, $profile_id);
if (!$in_nested_tr)
$this->pdo->commit();
Logger::log(E_USER_NOTICE, sprintf("Migrated preferences of user %d (profile %d)", $owner_uid, $profile_id));
}
}
static function reset(int $owner_uid, ?int $profile_id): void {
if (!$profile_id) $profile_id = null;
$sth = Db::pdo()->prepare("DELETE FROM ttrss_user_prefs2
WHERE owner_uid = :uid AND pref_name != :mig_key AND
(profile = :profile OR (:profile IS NULL AND profile IS NULL))");
$sth->execute(["uid" => $owner_uid, "mig_key" => self::_PREFS_MIGRATED, "profile" => $profile_id]);
}
}
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