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tt-rss/classes/db/prefs.php

191 lines
4.5 KiB
PHTML

<?php
class Db_Prefs {
private $dbh;
private static $instance;
private $cache;
function __construct() {
$this->dbh = Db::get();
$this->cache = array();
if ($_SESSION["uid"]) $this->cache();
}
private function __clone() {
//
}
public static function get() {
if (self::$instance == null)
self::$instance = new self();
return self::$instance;
}
function cache() {
$profile = false;
$user_id = $_SESSION["uid"];
@$profile = $_SESSION["profile"];
if ($profile) {
$profile_qpart = "profile = '$profile' AND";
} else {
$profile_qpart = "profile IS NULL AND";
}
if (get_schema_version() < 63) $profile_qpart = "";
$result = db_query("SELECT
value,ttrss_prefs_types.type_name as type_name,ttrss_prefs.pref_name AS pref_name
FROM
ttrss_user_prefs,ttrss_prefs,ttrss_prefs_types
WHERE
$profile_qpart
ttrss_prefs.pref_name NOT LIKE '_MOBILE%' AND
ttrss_prefs_types.id = type_id AND
owner_uid = '$user_id' AND
ttrss_user_prefs.pref_name = ttrss_prefs.pref_name");
while ($line = db_fetch_assoc($result)) {
if ($user_id == $_SESSION["uid"]) {
$pref_name = $line["pref_name"];
$this->cache[$pref_name]["type"] = $line["type_name"];
$this->cache[$pref_name]["value"] = $line["value"];
}
}
}
function read($pref_name, $user_id = false, $die_on_error = false) {
$pref_name = db_escape_string($pref_name);
$profile = false;
if (!$user_id) {
$user_id = $_SESSION["uid"];
@$profile = $_SESSION["profile"];
} else {
$user_id = sprintf("%d", $user_id);
}
if (isset($this->cache[$pref_name])) {
$tuple = $this->cache[$pref_name];
return $this->convert($tuple["value"], $tuple["type"]);
}
if ($profile) {
$profile_qpart = "profile = '$profile' AND";
} else {
$profile_qpart = "profile IS NULL AND";
}
if (get_schema_version() < 63) $profile_qpart = "";
$result = db_query("SELECT
value,ttrss_prefs_types.type_name as type_name
FROM
ttrss_user_prefs,ttrss_prefs,ttrss_prefs_types
WHERE
$profile_qpart
ttrss_user_prefs.pref_name = '$pref_name' AND
ttrss_prefs_types.id = type_id AND
owner_uid = '$user_id' AND
ttrss_user_prefs.pref_name = ttrss_prefs.pref_name");
if (db_num_rows($result) > 0) {
$value = db_fetch_result($result, 0, "value");
$type_name = db_fetch_result($result, 0, "type_name");
if ($user_id == $_SESSION["uid"]) {
$this->cache[$pref_name]["type"] = $type_name;
$this->cache[$pref_name]["value"] = $value;
}
return $this->convert($value, $type_name);
} else {
user_error("Fatal error, unknown preferences key: $pref_name", $die_on_error ? E_USER_ERROR : E_USER_WARNING);
return null;
}
}
function convert($value, $type_name) {
if ($type_name == "bool") {
return $value == "true";
} else if ($type_name == "integer") {
return (int)$value;
} else {
return $value;
}
}
function write($pref_name, $value, $user_id = false, $strip_tags = true) {
$pref_name = db_escape_string($pref_name);
$value = db_escape_string($value, $strip_tags);
if (!$user_id) {
$user_id = $_SESSION["uid"];
@$profile = $_SESSION["profile"];
} else {
$user_id = sprintf("%d", $user_id);
$prefs_cache = false;
}
if ($profile) {
$profile_qpart = "AND profile = '$profile'";
} else {
$profile_qpart = "AND profile IS NULL";
}
if (get_schema_version() < 63) $profile_qpart = "";
$type_name = "";
$current_value = "";
if (isset($this->cache[$pref_name])) {
$type_name = $this->cache[$pref_name]["type"];
$current_value = $this->cache[$pref_name]["value"];
}
if (!$type_name) {
$result = db_query("SELECT type_name
FROM ttrss_prefs,ttrss_prefs_types
WHERE pref_name = '$pref_name' AND type_id = ttrss_prefs_types.id");
if (db_num_rows($result) > 0)
$type_name = db_fetch_result($result, 0, "type_name");
} else if ($current_value == $value) {
return;
}
if ($type_name) {
if ($type_name == "bool") {
if ($value == "1" || $value == "true") {
$value = "true";
} else {
$value = "false";
}
} else if ($type_name == "integer") {
$value = sprintf("%d", $value);
}
if ($pref_name == 'USER_TIMEZONE' && $value == '') {
$value = 'UTC';
}
db_query("UPDATE ttrss_user_prefs SET
value = '$value' WHERE pref_name = '$pref_name'
$profile_qpart
AND owner_uid = " . $_SESSION["uid"]);
if ($user_id == $_SESSION["uid"]) {
$this->cache[$pref_name]["type"] = $type_name;
$this->cache[$pref_name]["value"] = $value;
}
}
}
}
?>