-<?
- // TODO cache last query results
-
+<?php
require_once "config.php";
require_once "db.php";
- function get_pref($link, $pref_name) {
+ if (!defined('DISABLE_SESSIONS') && !SINGLE_USER_MODE) {
+ if (!$_SESSION["prefs_cache"])
+ $_SESSION["prefs_cache"] = array();
+ }
+
+ function get_pref($link, $pref_name, $user_id = false, $die_on_error = false) {
$pref_name = db_escape_string($pref_name);
+ $prefs_cache = true;
+
+ if (!$user_id) {
+ $user_id = $_SESSION["uid"];
+ } else {
+ $user_id = sprintf("%d", $user_id);
+ $prefs_cache = false;
+ }
+
+ if ($prefs_cache && !defined('DISABLE_SESSIONS') && !SINGLE_USER_MODE) {
+ if ($_SESSION["prefs_cache"] && $_SESSION["prefs_cache"][$pref_name]) {
+ $tuple = $_SESSION["prefs_cache"][$pref_name];
+ return convert_pref_type($tuple["value"], $tuple["type"]);
+ }
+ }
$result = db_query($link, "SELECT
value,ttrss_prefs_types.type_name as type_name
WHERE
ttrss_user_prefs.pref_name = '$pref_name' AND
ttrss_prefs_types.id = type_id AND
- owner_uid = ".$_SESSION["uid"]." 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 ($type_name == "bool") {
- return $value == "true";
- } else if ($type_name == "integer") {
- return sprintf("%d", $value);
- } else {
- return $value;
+ if (!defined('DISABLE_SESSIONS') && !SINGLE_USER_MODE) {
+ if ($user_id = $_SESSION["uid"]) {
+ $_SESSION["prefs_cache"][$pref_name]["type"] = $type_name;
+ $_SESSION["prefs_cache"][$pref_name]["value"] = $value;
+ }
}
+
+ return convert_pref_type($value, $type_name);
} else {
- die("Fatal error, unknown preferences key: $pref_name");
+ if ($die_on_error) {
+ die("Fatal error, unknown preferences key: $pref_name");
+ } else {
+ return null;
+ }
}
}
+ function convert_pref_type($value, $type_name) {
+ if ($type_name == "bool") {
+ return $value == "true";
+ } else if ($type_name == "integer") {
+ return sprintf("%d", $value);
+ } else {
+ return $value;
+ }
+ }
+
+ // doesn't peform any type checking, be vigilant
+
+ function set_pref($link, $key, $value) {
+ $key = db_escape_string($key);
+ $value = db_escape_string($value);
+
+ db_query($link, "UPDATE ttrss_user_prefs SET
+ value = '$value' WHERE pref_name = '$key'
+ AND owner_uid = " . $_SESSION["uid"]);
+
+ $_SESSION["prefs_cache"] = array();
+
+ }
?>