db-prefs.php

   1 <?php
   2         require_once "config.php";
   3         require_once "db.php";
   4
   5         if (!defined('DISABLE_SESSIONS') && !SINGLE_USER_MODE) {
   6                 if (!$_SESSION["prefs_cache"])
   7                         $_SESSION["prefs_cache"] = array();
   8         }
   9
  10         function get_pref($link, $pref_name, $user_id = false, $die_on_error = true) {
  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                         $prefs_cache = false;
  19                 }
  20
  21                 if (!defined('DISABLE_SESSIONS') && !SINGLE_USER_MODE) {
  22                         if ($_SESSION["prefs_cache"] && $_SESSION["prefs_cache"][$pref_name]) {
  23                                 $tuple = $_SESSION["prefs_cache"][$pref_name];
  24                                 return convert_pref_type($tuple["value"], $tuple["type"]);
  25                         }
  26                 }
  27
  28                 $result = db_query($link, "SELECT
  29                         value,ttrss_prefs_types.type_name as type_name
  30                         FROM
  31                                 ttrss_user_prefs,ttrss_prefs,ttrss_prefs_types
  32                         WHERE
  33                                 ttrss_user_prefs.pref_name = '$pref_name' AND
  34                                 ttrss_prefs_types.id = type_id AND
  35                                 owner_uid = '$user_id' AND
  36                                 ttrss_user_prefs.pref_name = ttrss_prefs.pref_name");
  37
  38                 if (db_num_rows($result) > 0) {
  39                         $value = db_fetch_result($result, 0, "value");
  40                         $type_name = db_fetch_result($result, 0, "type_name");
  41
  42                         if (!defined('DISABLE_SESSIONS') && !SINGLE_USER_MODE) {
  43                                 if ($user_id = $_SESSION["uid"]) {
  44                                         $_SESSION["prefs_cache"][$pref_name]["type"] = $type_name;
  45                                         $_SESSION["prefs_cache"][$pref_name]["value"] = $value;
  46                                 }
  47                         }
  48
  49                         return convert_pref_type($value, $type_name);
  50
  51                 } else {
  52                         if ($die_on_error) {
  53                                 die("Fatal error, unknown preferences key: $pref_name");
  54                         } else {
  55                                 return null;
  56                         }
  57                 }
  58         }
  59
  60         function convert_pref_type($value, $type_name) {
  61                 if ($type_name == "bool") {
  62                         return $value == "true";
  63                 } else if ($type_name == "integer") {
  64                         return sprintf("%d", $value);
  65                 } else {
  66                         return $value;
  67                 }
  68         }
  69
  70         // doesn't peform any type checking, be vigilant
  71
  72         function set_pref($link, $key, $value) {
  73                 $key = db_escape_string($key);
  74                 $value = db_escape_string($value);
  75
  76                 db_query($link, "UPDATE ttrss_user_prefs SET
  77                         value = '$value' WHERE pref_name = '$key'
  78                                 AND owner_uid = " . $_SESSION["uid"]);
  79
  80                 $_SESSION["prefs_cache"] = array();
  81
  82         }
  83 ?>