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<?php
namespace App\Helpers;
use App\Core\Database;
use App\Models\Theme;
use App\Helpers\AdminHelper;
use App\Helpers\ValidationHelper;
class ThemeHelper
{
public static $themeConfigCache = null;
static function themeEnabled($themeKey = '') {
if (strlen($themeKey) == 0) {
return false;
}
if (self::$themeConfigCache == null) {
self::$themeConfigCache = self::loadThemeConfigurationFiles();
}
if (!isset(self::$themeConfigCache[$themeKey])) {
return false;
}
$siteTheme = SITE_CONFIG_SITE_THEME;
if ((isset($_SESSION['_current_theme'])) && (strlen($_SESSION['_current_theme']))) {
$siteTheme = $_SESSION['_current_theme'];
}
if ($siteTheme != $themeKey) {
return false;
}
return true;
}
static function clearCachedThemeSettings() {
self::$themeConfigCache = null;
}
static function getCurrentThemeKey() {
$siteTheme = SITE_CONFIG_SITE_THEME;
if ((isset($_SESSION['_current_theme'])) && (strlen($_SESSION['_current_theme']))) {
$siteTheme = $_SESSION['_current_theme'];
}
return $siteTheme;
}
static function getCurrentThemeName() {
$theme = self::getLoadedInstance();
return $theme->config['theme_name'];
}
static function themeSpecificConfiguration($themeKey = '') {
if (self::themeEnabled($themeKey) == false) {
return false;
}
return self::$themeConfigCache[$themeKey];
}
static function loadThemeConfigurationFiles($updateCache = false) {
// try to load from cache
if ($updateCache === false) {
if (strlen(SITE_CONFIG_SYSTEM_THEME_CONFIG_CACHE)) {
self::$themeConfigCache = @json_decode(SITE_CONFIG_SYSTEM_THEME_CONFIG_CACHE, true);
if(json_last_error() === JSON_ERROR_NONE) {
return self::$themeConfigCache;
}
}
else {
$updateCache = true;
}
}
$rs = array();
// get active themes from the db
$db = Database::getDatabase(true);
$themes = $db->getRows('SELECT * '
. 'FROM theme');
// allow for first run
if (!count($themes)) {
self::registerThemes();
$themes = $db->getRows('SELECT * '
. 'FROM theme');
}
if ($themes) {
// use output buffering to ensure no random white space is added to the core
ob_start();
foreach ($themes AS $theme) {
// load settings
$themeConfig = self::getThemeConfigByFolderName($theme['folder_name']);
if ($themeConfig !== false) {
$folderName = $themeConfig->getFolderName();
$rs[$folderName] = array();
$rs[$folderName]['data'] = $theme;
$rs[$folderName]['config'] = $themeConfig->getThemeConfig();
}
}
// delete output buffer
ob_end_clean();
}
// save cache
if ($updateCache) {
self::updateThemeConfigCache($rs);
// purge application cache so routes are reloaded
CacheHelper::removeCoreApplicationCache();
}
return $rs;
}
static function updateThemeConfigCache($dataArr) {
// setup database
$db = Database::getDatabase();
// update cache
$db->query('UPDATE site_config '
. 'SET config_value = :config_key '
. 'WHERE config_key = \'system_theme_config_cache\' '
. 'LIMIT 1', array(
'config_key' => json_encode($dataArr),
));
self::$themeConfigCache = $dataArr;
}
static function getInstance($themeKey = null) {
if ($themeKey == null) {
$themeKey = self::getCurrentThemeKey();
}
if (!isset(self::$themeConfigCache)) {
self::$themeConfigCache = self::loadThemeConfigurationFiles();
}
$theme = self::$themeConfigCache[$themeKey];
// make sure the class file exists
$classPath = SITE_THEME_DIRECTORY_ROOT . $theme['data']['folder_name'] . '/Theme' . UCFirst(str_replace('_', '', $theme['data']['folder_name'])) . '.class.php';
if(file_exists($classPath)) {
// create plugin instance
$themeClassName = '\themes\\' . $theme['data']['folder_name'] . '\Theme' . UCFirst(str_replace('_', '', $theme['data']['folder_name']));
return new $themeClassName();
}
return false;
}
static function getLoadedInstance() {
return self::getInstance(self::getCurrentThemeKey());
}
static function getThemeAdminNav($v2 = false) {
// add any theme navigation
$html = '';
$currentThemeKey = self::getCurrentThemeKey();
$themeConfig = self::themeSpecificConfiguration($currentThemeKey);
$totalItems = 0;
if ((self::themeEnabled($themeConfig['data']['folder_name']) == 1) && (isset($themeConfig['config']['admin_settings']['top_nav']))) {
foreach ($themeConfig['config']['admin_settings']['top_nav'] AS $navItem) {
$html .= '<li';
if (ADMIN_SELECTED_PAGE == $navItem[0]['link_key'])
$html .= ' class="active"';
$html .= '><a';
if ($v2 === false) {
$html .= ' href="' . ($navItem[0]['link_url'] != '#' ? (SITE_THEME_WEB_ROOT . $themeConfig['config']['folder_name'] . '/' . $navItem[0]['link_url']) : ($navItem[0]['link_url'])) . '"';
}
$html .= '>';
if ($v2 === true) {
$iconClass = 'fa fa-pencil-square-o';
if (isset($navItem[0]['icon_class'])) {
$iconClass = $navItem[0]['icon_class'];
}
$html .= '<i class="' . $iconClass . '"></i> ';
}
if ($v2 === false) {
$html .= '<span>';
}
$html .= AdminHelper::makeSafe(UCWords(strtolower(AdminHelper::t($navItem[0]['link_text'], $navItem[0]['link_text']))));
if ($v2 === false) {
$html .= '</span>';
}
if (($v2 === true) && count($navItem > 1)) {
$html .= ' <span class="fa fa-chevron-down"></span>';
}
$html .= '</a>';
if (count($navItem > 1)) {
$html .= '<ul';
if ($v2 === true) {
$html .= ' class="nav child_menu"';
}
$html .= '>';
unset($navItem[0]);
foreach ($navItem AS $navSubItem) {
$html .= '<li><a href="' . SITE_THEME_WEB_ROOT . $themeConfig['config']['folder_name'] . '/' . $navSubItem['link_url'] . '">';
if ($v2 === false) {
$html .= '<span>';
}
$html .= AdminHelper::makeSafe(UCWords(strtolower(AdminHelper::t($navSubItem['link_text'], $navSubItem['link_text']))));
if ($v2 === false) {
$html .= '</span>';
}
$html .= '</a>';
// add any sub items
if (isset($navSubItem['sub_nav'])) {
$html .= '<ul';
if ($v2 === true) {
$html .= ' class="nav child_menu"';
}
$html .= '>';
foreach ($navSubItem['sub_nav'] AS $subNavItem) {
$html .= '<li><a href="' . SITE_THEME_WEB_ROOT . $themeConfig['config']['folder_name'] . '/' . $subNavItem['link_url'] . '">';
if ($v2 === false) {
$html .= '<span>';
}
$html .= AdminHelper::makeSafe(UCWords(strtolower(AdminHelper::t($subNavItem['link_text'], $subNavItem['link_text']))));
if ($v2 === false) {
$html .= '</span>';
}
$html .= '</a></li>';
}
$html .= '</ul>';
}
$html .= '</li>';
}
$html .= '</ul>';
}
$html .= '</li>';
$totalItems++;
}
}
if ($totalItems >= 4) {
$html = '<li><a href="#"><span>More...</span><ul>' . $html . '</ul></li>';
}
return $html;
}
static function getThemeAdminNavDropdown() {
// add any theme navigation
$html = '';
$currentThemeKey = self::getCurrentThemeKey();
$themeConfig = self::themeSpecificConfiguration($currentThemeKey);
if ((self::themeEnabled($themeConfig['data']['folder_name']) == 1) && (isset($themeConfig['config']['admin_settings']['top_nav']))) {
foreach ($themeConfig['config']['admin_settings']['top_nav'] AS $navItem) {
$html .= '<optgroup label="' . AdminHelper::makeSafe($navItem[0]['link_text']) . '">';
if (count($navItem > 1)) {
unset($navItem[0]);
foreach ($navItem AS $navSubItem) {
$html .= '<option';
if ((isset($navSubItem['link_key'])) && defined('ADMIN_SELECTED_SUB_PAGE')) {
if (ADMIN_SELECTED_SUB_PAGE == $navSubItem['link_key']) {
$html .= ' selected';
}
}
$html .= ' value="' . SITE_THEME_WEB_ROOT . $themeConfig['config']['folder_name'] . '/' . $navSubItem['link_url'] . '">' . htmlentities(UCWords(strtolower(AdminHelper::t($navSubItem['link_text'], $navSubItem['link_text'])))) . '</option>';
}
}
$html .= '</optgroup>';
}
}
return $html;
}
static function getConfigValue($configName) {
$currentTheme = self::getCurrentThemeKey();
$currentThemeConfig = self::themeSpecificConfiguration($currentTheme);
if ($currentThemeConfig) {
if (strlen($currentThemeConfig['data']['theme_settings'])) {
$themeSettingsArr = json_decode($currentThemeConfig['data']['theme_settings'], true);
if (is_array($themeSettingsArr)) {
return $themeSettingsArr[$configName];
}
}
}
return false;
}
static function setConfigValue($configName, $configValue) {
$currentTheme = self::getCurrentThemeKey();
$currentThemeConfig = self::themeSpecificConfiguration($currentTheme);
if ($currentThemeConfig) {
if (strlen($currentThemeConfig['data']['theme_settings'])) {
$themeSettingsArr = json_decode($currentThemeConfig['data']['theme_settings'], true);
if (is_array($themeSettingsArr)) {
$themeSettingsArr[$configName] = $configValue;
}
// save
$db = Database::getDatabase();
$db->query('UPDATE theme SET theme_settings = ' . $db->quote(json_encode($themeSettingsArr)) . ' WHERE folder_name = ' . $db->quote($currentTheme) . ' LIMIT 1');
// clear cache
ThemeHelper::clearCachedThemeSettings();
}
}
return false;
}
static function getCurrentProductType() {
// get produce type based on current theme
$thisTheme = self::getCurrentThemeKey();
$themeData = self::themeSpecificConfiguration($thisTheme);
if ($themeData) {
if ((isset($themeData['config'])) && (isset($themeData['config']['product']))) {
if (strlen($themeData['config']['product'])) {
return $themeData['config']['product'];
}
}
}
return 'file_hosting';
}
static function getCurrentProductName() {
// get produce type based on current theme
$thisTheme = self::getCurrentThemeKey();
$themeData = self::themeSpecificConfiguration($thisTheme);
if ($themeData) {
if ((isset($themeData['config'])) && (isset($themeData['config']['product_name']))) {
if (strlen($themeData['config']['product_name'])) {
return $themeData['config']['product_name'];
}
}
}
return 'YetiShare';
}
static function getCurrentProductUrl() {
// get produce type based on current theme
$thisTheme = self::getCurrentThemeKey();
$themeData = self::themeSpecificConfiguration($thisTheme);
if ($themeData) {
if ((isset($themeData['config'])) && (isset($themeData['config']['product_url']))) {
if (strlen($themeData['config']['product_url'])) {
return $themeData['config']['product_url'];
}
}
}
return 'https://yetishare.com';
}
static function getAdminThemeCss() {
$thisTheme = self::getCurrentThemeKey();
$cssPath = SITE_THEME_DIRECTORY_ROOT . $thisTheme . '/assets/admin/css/styles.css';
if (file_exists($cssPath)) {
return SITE_THEME_WEB_ROOT . $thisTheme . '/assets/admin/css/styles.css';
}
return false;
}
public static function registerThemes() {
// get database connection
$db = Database::getDatabase();
// scan plugin directory and make sure they are all listed within the database
$directories = CoreHelper::getDirectoryList(SITE_THEME_DIRECTORY_ROOT);
if (count($directories)) {
foreach ($directories AS $directory) {
// check the database to see if it already exists
$found = $db->getValue("SELECT id "
. "FROM theme "
. "WHERE folder_name = :folder_name", array(
'folder_name' => $directory,
));
if ($found) {
continue;
}
// tidy directory for class
$directory = strtolower($directory);
$directory = ValidationHelper::removeInvalidCharacters($directory);
$themePath = SITE_THEME_DIRECTORY_ROOT . $directory . '/';
$themeClassFile = $themePath . 'Theme' . UCFirst(strtolower($directory)) . '.class.php';
$themeClassName = '\\Themes\\'.UCFirst(strtolower($directory)).'\\Theme' . UCFirst(strtolower($directory));
// make sure we have the main class file
if (!file_exists($themeClassFile)) {
continue;
}
try {
// try to create an instance of the class
include_once($themeClassFile);
if (!class_exists($themeClassName)) {
continue;
}
$instance = new $themeClassName();
if (!$instance) {
continue;
}
// get plugin details
$themeDetails = $instance->getThemeDetails();
// insert new plugin into db
if ($themeDetails) {
// make sure we have the http at the start of the website
$website = $themeDetails['author_website'];
if (strlen($website)) {
if (substr($website, 0, 4) != 'http') {
$website = 'https://' . $website;
}
}
// if current theme set as active
$isActive = 0;
if ($themeDetails['folder_name'] == SITE_CONFIG_SITE_THEME) {
$isActive = 1;
}
// add to the database
$theme = Theme::create();
$theme->theme_name = $themeDetails['theme_name'];
$theme->folder_name = $themeDetails['folder_name'];
$theme->theme_description = $themeDetails['theme_description'];
$theme->author_name = $themeDetails['author_name'];
$theme->author_website = $website;
$theme->is_installed = $isActive;
$theme->save();
}
}
catch (Exception $e) {
continue;
}
}
}
return true;
}
public static function getThemeAdminNavV2() {
return self::getThemeAdminNav(true);
}
public static function registerRoutes(\FastRoute\RouteCollector $r) {
// instantiate the theme
$themeInstance = self::getLoadedInstance();
// register routes
if(method_exists($themeInstance, 'registerRoutes')) {
$themeInstance->registerRoutes($r);
}
}
static function getThemeConfigByFolderName($themeFolderName) {
// create plugin config instance
$themeConfigClassName = '\themes\\' . $themeFolderName . '\ThemeConfig';
if (!class_exists($themeConfigClassName)) {
return false;
}
return new $themeConfigClassName();
}
}