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<?php |
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class Db_Prefs { |
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private $pdo; |
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private static $instance; |
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private $cache; |
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public function __construct() { |
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$this->pdo = Db::pdo(); |
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$this->cache = array(); |
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if ($_SESSION["uid"]) $this->cache(); |
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} |
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public static function get() { |
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if (self::$instance == null) |
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self::$instance = new self(); |
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return self::$instance; |
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} |
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public function cache() { |
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$user_id = $_SESSION["uid"]; |
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@$profile = $_SESSION["profile"]; |
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if (!is_numeric($profile) || !$profile || get_schema_version() < 63) $profile = null; |
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$sth = $this->pdo->prepare("SELECT |
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value,ttrss_prefs_types.type_name as type_name,ttrss_prefs.pref_name AS pref_name |
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FROM |
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ttrss_user_prefs,ttrss_prefs,ttrss_prefs_types |
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WHERE |
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(profile = :profile OR (:profile IS NULL AND profile IS NULL)) AND |
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ttrss_prefs.pref_name NOT LIKE '_MOBILE%' AND |
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ttrss_prefs_types.id = type_id AND |
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owner_uid = :uid AND |
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ttrss_user_prefs.pref_name = ttrss_prefs.pref_name"); |
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$sth->execute([":profile" => $profile, ":uid" => $user_id]); |
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while ($line = $sth->fetch()) { |
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if ($user_id == $_SESSION["uid"]) { |
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$pref_name = $line["pref_name"]; |
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$this->cache[$pref_name]["type"] = $line["type_name"]; |
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$this->cache[$pref_name]["value"] = $line["value"]; |
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} |
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} |
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} |
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public function read($pref_name, $user_id = false, $die_on_error = false) { |
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if (!$user_id) { |
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$user_id = $_SESSION["uid"]; |
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@$profile = $_SESSION["profile"]; |
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} else { |
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$profile = false; |
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} |
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if ($user_id == $_SESSION['uid'] && isset($this->cache[$pref_name])) { |
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$tuple = $this->cache[$pref_name]; |
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return $this->convert($tuple["value"], $tuple["type"]); |
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} |
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if (!is_numeric($profile) || !$profile || get_schema_version() < 63) $profile = null; |
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$sth = $this->pdo->prepare("SELECT |
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value,ttrss_prefs_types.type_name as type_name |
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FROM |
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ttrss_user_prefs,ttrss_prefs,ttrss_prefs_types |
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WHERE |
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(profile = :profile OR (:profile IS NULL AND profile IS NULL)) AND |
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ttrss_user_prefs.pref_name = :pref_name AND |
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ttrss_prefs_types.id = type_id AND |
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owner_uid = :uid AND |
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ttrss_user_prefs.pref_name = ttrss_prefs.pref_name"); |
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$sth->execute([":uid" => $user_id, ":profile" => $profile, ":pref_name" => $pref_name]); |
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if ($row = $sth->fetch()) { |
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$value = $row["value"]; |
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$type_name = $row["type_name"]; |
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if ($user_id == $_SESSION["uid"]) { |
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$this->cache[$pref_name]["type"] = $type_name; |
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$this->cache[$pref_name]["value"] = $value; |
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} |
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return $this->convert($value, $type_name); |
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} else if ($die_on_error) { |
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user_error("Fatal error, unknown preferences key: $pref_name (owner: $user_id)", E_USER_ERROR); |
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return null; |
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} else { |
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return null; |
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} |
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} |
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public function convert($value, $type_name) { |
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if ($type_name == "bool") { |
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return $value == "true"; |
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} else if ($type_name == "integer") { |
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return (int)$value; |
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} else { |
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return $value; |
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} |
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} |
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public function write($pref_name, $value, $user_id = false, $strip_tags = true) { |
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if ($strip_tags) $value = strip_tags($value); |
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if (!$user_id) { |
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$user_id = $_SESSION["uid"]; |
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@$profile = $_SESSION["profile"]; |
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} else { |
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$profile = null; |
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} |
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if (!is_numeric($profile) || !$profile || get_schema_version() < 63) $profile = null; |
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$type_name = ""; |
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$current_value = ""; |
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if (isset($this->cache[$pref_name])) { |
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$type_name = $this->cache[$pref_name]["type"]; |
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$current_value = $this->cache[$pref_name]["value"]; |
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} |
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if (!$type_name) { |
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$sth = $this->pdo->prepare("SELECT type_name |
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FROM ttrss_prefs,ttrss_prefs_types |
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WHERE pref_name = ? AND type_id = ttrss_prefs_types.id"); |
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$sth->execute([$pref_name]); |
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if ($row = $sth->fetch()) |
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$type_name = $row["type_name"]; |
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} else if ($current_value == $value) { |
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return; |
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} |
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if ($type_name) { |
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if ($type_name == "bool") { |
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if ($value == "1" || $value == "true") { |
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$value = "true"; |
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} else { |
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$value = "false"; |
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} |
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} else if ($type_name == "integer") { |
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$value = (int)$value; |
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} |
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if ($pref_name == 'USER_TIMEZONE' && $value == '') { |
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$value = 'UTC'; |
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} |
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$sth = $this->pdo->prepare("UPDATE ttrss_user_prefs SET |
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value = :value WHERE pref_name = :pref_name |
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AND (profile = :profile OR (:profile IS NULL AND profile IS NULL)) |
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AND owner_uid = :uid"); |
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$sth->execute([":pref_name" => $pref_name, ":value" => $value, ":uid" => $user_id, ":profile" => $profile]); |
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if ($user_id == $_SESSION["uid"]) { |
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$this->cache[$pref_name]["type"] = $type_name; |
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$this->cache[$pref_name]["value"] = $value; |
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} |
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} |
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} |
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} |
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codysnider /
tt-rss
