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<?php
class Journal2Skin {
private $db = null;
private $skin_id = -1;
public function __construct($db, $skin_id) {
$this->db = $db;
$this->skin_id = (int)$skin_id;
}
public function load($category = null, $default_only = false) {
/* load settings from file */
$default_settings = $this->loadFromFile($category);
/* load database settings */
$db_settings = $this->loadFromDb($category);
/* load available settings */
$available_settings = $this->loadAvailableSettings();
/* settings */
$settings = array();
/* add default settings */
foreach ($default_settings as $key => $value) {
$settings[$key] = $value;
}
/* overwrite with db settings */
if ($default_only === false) {
foreach ($db_settings as $key => $value) {
$settings[$key] = $value;
}
}
/* remove undefined settings */
foreach ($settings as $key => $value) {
if (!isset($available_settings[$key])) {
unset($settings[$key]);
}
}
/* return settings */
return $settings;
}
public function save($category, $settings) {
/* delete all settings from category */
$this->db->query("DELETE FROM " . DB_PREFIX . "journal2_settings WHERE `category` = '" . $this->db->escape($category) . "' AND theme_id = '" . $this->skin_id . "'");
/* save new settings into db */
foreach ($settings as $key => $value) {
if (!is_array($value)) {
$this->db->query("INSERT INTO " . DB_PREFIX . "journal2_settings SET `category` = '" . $this->db->escape($category) . "', theme_id = '" . $this->skin_id . "', `key` = '" . $this->db->escape($key) . "', `value` = '" . $this->db->escape($value) . "'");
} else {
$this->db->query("INSERT INTO " . DB_PREFIX . "journal2_settings SET `category` = '" . $this->db->escape($category) . "', theme_id = '" . $this->skin_id . "', `key` = '" . $this->db->escape($key) . "', `value` = '" . $this->db->escape(json_encode($value)) . "', serialized = '1'");
}
}
}
public static function exportAll($db) {
$skins = self::getAvailableSkins();
foreach ($skins as $skin) {
$journal_skin = new self($db, $skin);
$journal_skin->export();
}
}
private function export() {
$categories = $this->getCategories();
$settings = array();
foreach ($categories as $category) {
$settings[$category] = $this->load($category);
}
$file = DIR_SYSTEM . 'journal2/data/themes/' . $this->skin_id . '.json';
file_put_contents($file, json_encode($settings, JSON_PRETTY_PRINT), LOCK_EX);
}
private function loadFromFile($category) {
$json = $this->loadSkinFromFile();
if ($category !== null) {
$json = isset($json[$category]) ? $json[$category] : array();
} else {
$temp = array();
foreach ($json as $settings) {
$temp = array_merge($temp, $settings);
}
$json = $temp;
}
return $json;
}
private function loadFromDb($category) {
if ($category !== null) {
$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "journal2_settings WHERE `category` = '" . $this->db->escape($category) . "' AND `theme_id` = '" . $this->skin_id . "'");
} else {
$query = $this->db->query("SELECT * FROM " . DB_PREFIX . "journal2_settings WHERE `theme_id` = '" . $this->skin_id . "'");
}
$settings = array();
$parent_id = $this->getParentId();
if ($parent_id !== -1) {
$parent = new Journal2Skin($this->db, $parent_id);
$parent_settings = $parent->load($category);
foreach ($parent_settings as $key => $value) {
$settings[$key] = $value;
}
}
foreach ($query->rows as $row) {
$settings[$row['key']] = $row['serialized'] ? json_decode($row['value'], true) : $row['value'];
}
return $settings;
}
private function loadAvailableSettings() {
$file = DIR_SYSTEM . 'journal2/data/settings.json';
if (!file_exists($file)) {
trigger_error('Journal Error: Could not load config file ' . $file . '!');
exit();
}
$content = file_get_contents($file);
$content = preg_replace('!/\*.*?\*/!s', '', $content);
$content = preg_replace('/\n\s*\n/', "\n", $content);
$json = json_decode($content, true);
if (function_exists('json_last_error') && json_last_error() !== JSON_ERROR_NONE) {
trigger_error('Journal Error: Config file ' . $file . ' is not valid!');
exit();
}
return array_flip(array_keys($json));
}
private function getCategories() {
$default_categories = array_keys($this->loadSkinFromFile());
$query = $this->db->query("SELECT distinct(category) FROM " . DB_PREFIX . "journal2_settings WHERE `theme_id` = '" . $this->skin_id . "'");
$db_categories = array();
foreach ($query->rows as $row) {
$db_categories[] = $row['category'];
}
return array_unique(array_merge($default_categories, $db_categories));
}
private function loadSkinFromFile() {
$file = DIR_SYSTEM . 'journal2/data/themes/' . $this->skin_id . '.json';
if (file_exists($file)) {
$content = file_get_contents($file);
$json = json_decode($content, true);
if (function_exists('json_last_error') && json_last_error() !== JSON_ERROR_NONE) {
trigger_error('Journal Error: Skin file ' . $file . ' is not valid!');
exit();
}
return $json;
}
return array();
}
public static function getAvailableSkins() {
$files = glob(DIR_SYSTEM . 'journal2/data/themes/*.json');
foreach ($files as &$file) {
$file = str_replace(array(DIR_SYSTEM . 'journal2/data/themes/', '.json'), array('', ''), $file);
}
asort($files);
return $files;
}
private function getParentId() {
$query = $this->db->query("SELECT parent_id FROM " . DB_PREFIX . "journal2_skins WHERE `skin_id` = '" . $this->skin_id . "'");
return $query->num_rows ? $query->row['parent_id'] : -1;
}
}