db-prefs.php

   1 <?php
   2         require_once "config.php";
   3         require_once "db.php";
   4
   5         if (!defined('DISABLE_SESSIONS')) {
   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 = false) {
  11
  12                 $pref_name = db_escape_string($pref_name);
  13                 $prefs_cache = true;
  14                 $profile = false;
  15
  16                 if (!$user_id) {
  17                         $user_id = $_SESSION["uid"];
  18                         @$profile = $_SESSION["profile"];
  19                 } else {
  20                         $user_id = sprintf("%d", $user_id);
  21                         //$prefs_cache = false;
  22                 }
  23
  24                 if ($prefs_cache && !defined('DISABLE_SESSIONS')) {
  25                         if ($_SESSION["prefs_cache"] && @$_SESSION["prefs_cache"][$pref_name]) {
  26                                 $tuple = $_SESSION["prefs_cache"][$pref_name];
  27                                 return convert_pref_type($tuple["value"], $tuple["type"]);
  28                         }
  29                 }
  30
  31                 if ($profile) {
  32                         $profile_qpart = "profile = '$profile' AND";
  33                 } else {
  34                         $profile_qpart = "profile IS NULL AND";
  35                 }
  36
  37                 if (get_schema_version($link) < 63) $profile_qpart = "";
  38
  39                 $result = db_query($link, "SELECT
  40                         value,ttrss_prefs_types.type_name as type_name
  41                         FROM
  42                                 ttrss_user_prefs,ttrss_prefs,ttrss_prefs_types
  43                         WHERE
  44                                 $profile_qpart
  45                                 ttrss_user_prefs.pref_name = '$pref_name' AND
  46                                 ttrss_prefs_types.id = type_id AND
  47                                 owner_uid = '$user_id' AND
  48                                 ttrss_user_prefs.pref_name = ttrss_prefs.pref_name");
  49
  50                 if (db_num_rows($result) > 0) {
  51                         $value = db_fetch_result($result, 0, "value");
  52                         $type_name = db_fetch_result($result, 0, "type_name");
  53
  54                         if (!defined('DISABLE_SESSIONS')) {
  55                                 if ($user_id == $_SESSION["uid"]) {
  56                                         $_SESSION["prefs_cache"][$pref_name]["type"] = $type_name;
  57                                         $_SESSION["prefs_cache"][$pref_name]["value"] = $value;
  58                                 }
  59                         }
  60
  61                         return convert_pref_type($value, $type_name);
  62
  63                 } else {
  64                         if ($die_on_error) {
  65                                 die("Fatal error, unknown preferences key: $pref_name");
  66                         } else {
  67                                 return null;
  68                         }
  69                 }
  70         }
  71
  72         function convert_pref_type($value, $type_name) {
  73                 if ($type_name == "bool") {
  74                         return $value == "true";
  75                 } else if ($type_name == "integer") {
  76                         return sprintf("%d", $value);
  77                 } else {
  78                         return $value;
  79                 }
  80         }
  81
  82         function set_pref($link, $pref_name, $value, $user_id = false) {
  83                 $pref_name = db_escape_string($pref_name);
  84                 $value = db_escape_string($value);
  85
  86                 if (!$user_id) {
  87                         $user_id = $_SESSION["uid"];
  88                         @$profile = $_SESSION["profile"];
  89                 } else {
  90                         $user_id = sprintf("%d", $user_id);
  91                         $prefs_cache = false;
  92                 }
  93
  94                 if ($profile) {
  95                         $profile_qpart = "AND profile = '$profile'";
  96                 } else {
  97                         $profile_qpart = "AND profile IS NULL";
  98                 }
  99
 100                 if (get_schema_version($link) < 63) $profile_qpart = "";
 101
 102                 $type_name = "";
 103                 $current_value = "";
 104
 105                 if (!defined('DISABLE_SESSIONS')) {
 106                         if ($_SESSION["prefs_cache"] && @$_SESSION["prefs_cache"][$pref_name]) {
 107                                 $type_name = $_SESSION["prefs_cache"][$pref_name]["type"];
 108                                 $current_value = $_SESSION["prefs_cache"][$pref_name]["value"];
 109                         }
 110                 }
 111
 112                 if (!$type_name) {
 113                         $result = db_query($link, "SELECT type_name
 114                                 FROM ttrss_prefs,ttrss_prefs_types
 115                                 WHERE pref_name = '$pref_name' AND type_id = ttrss_prefs_types.id");
 116
 117                         if (db_num_rows($result) > 0)
 118                                 $type_name = db_fetch_result($result, 0, "type_name");
 119                 } else if ($current_value == $value) {
 120                         return;
 121                 }
 122
 123                 if ($type_name) {
 124                         if ($type_name == "bool") {
 125                                 if ($value == "1" || $value == "true") {
 126                                         $value = "true";
 127                                 } else {
 128                                         $value = "false";
 129                                 }
 130                         } else if ($type_name == "integer") {
 131                                 $value = sprintf("%d", $value);
 132                         }
 133
 134                         if ($pref_name == 'DEFAULT_ARTICLE_LIMIT' && $value == 0) {
 135                                 $value = 30;
 136                         }
 137
 138                         if ($pref_name == 'USER_TIMEZONE' && $value == '') {
 139                                 $value = 'UTC';
 140                         }
 141
 142                         db_query($link, "UPDATE ttrss_user_prefs SET
 143                                 value = '$value' WHERE pref_name = '$pref_name'
 144                                         $profile_qpart
 145                                         AND owner_uid = " . $_SESSION["uid"]);
 146
 147                         if (!defined('DISABLE_SESSIONS')) {
 148                                 if ($user_id == $_SESSION["uid"]) {
 149                                         $_SESSION["prefs_cache"][$pref_name]["type"] = $type_name;
 150                                         $_SESSION["prefs_cache"][$pref_name]["value"] = $value;
 151                                 }
 152                         }
 153                 }
 154         }
 155 ?>