db-prefs.php

   1 <?
   2         require_once "config.php";
   3         require_once "db.php";
   4
   5         if (! DISABLE_SESSIONS) {
   6                 if (!$_SESSION["prefs_cache"])
   7                         $_SESSION["prefs_cache"] = array();
   8         }
   9
  10         function get_pref($link, $pref_name, $user_id = false) {
  11
  12                 $pref_name = db_escape_string($pref_name);
  13
  14                 if (!$user_id) {
  15                         $user_id = $_SESSION["uid"];
  16                 } else {
  17                         $user_id = sprintf("%d", $user_id);
  18                         $prefs_cache = false;
  19                 }
  20
  21                 if ($_SESSION["prefs_cache"] && $_SESSION["prefs_cache"][$pref_name]) {
  22                         $tuple = $_SESSION["prefs_cache"][$pref_name];
  23                         return convert_pref_type($tuple["value"], $tuple["type"]);
  24                 }
  25
  26                 $result = db_query($link, "SELECT
  27                         value,ttrss_prefs_types.type_name as type_name
  28                         FROM
  29                                 ttrss_user_prefs,ttrss_prefs,ttrss_prefs_types
  30                         WHERE
  31                                 ttrss_user_prefs.pref_name = '$pref_name' AND
  32                                 ttrss_prefs_types.id = type_id AND
  33                                 owner_uid = '$user_id' AND
  34                                 ttrss_user_prefs.pref_name = ttrss_prefs.pref_name");
  35
  36                 if (db_num_rows($result) > 0) {
  37                         $value = db_fetch_result($result, 0, "value");
  38                         $type_name = db_fetch_result($result, 0, "type_name");
  39
  40                         if ($user_id = $_SESSION["uid"]) {
  41                                 $_SESSION["prefs_cache"][$pref_name]["type"] = $type_name;
  42                                 $_SESSION["prefs_cache"][$pref_name]["value"] = $value;
  43                         }
  44                         return convert_pref_type($value, $type_name);
  45
  46                 } else {
  47                         die("Fatal error, unknown preferences key: $pref_name");
  48                 }
  49         }
  50
  51         function convert_pref_type($value, $type_name) {
  52                 if ($type_name == "bool") {
  53                         return $value == "true";
  54                 } else if ($type_name == "integer") {
  55                         return sprintf("%d", $value);
  56                 } else {
  57                         return $value;
  58                 }
  59         }
  60
  61         // doesn't peform any type checking, be vigilant
  62
  63         function set_pref($link, $key, $value) {
  64                 $key = db_escape_string($key);
  65                 $value = db_escape_string($value);
  66
  67                 db_query($link, "UPDATE ttrss_user_prefs SET
  68                         value = '$value' WHERE pref_name = '$key'
  69                                 AND owner_uid = " . $_SESSION["uid"]);
  70
  71                 $_SESSION["prefs_cache"] = array();
  72
  73         }
  74 ?>