include/db-prefs.php

   1 <?php
   2         require_once "config.php";
   3         require_once "db.php";
   4
   5         if (!defined('DISABLE_SESSIONS') && !defined('PREFS_NO_CACHE')) {
   6                 if (!$_SESSION["prefs_cache"])
   7                         $_SESSION["prefs_cache"] = array();
   8         }
   9
  10         function cache_prefs() {
  11                 $profile = false;
  12
  13                 $user_id = $_SESSION["uid"];
  14                 @$profile = $_SESSION["profile"];
  15
  16                 if ($profile) {
  17                         $profile_qpart = "profile = '$profile' AND";
  18                 } else {
  19                         $profile_qpart = "profile IS NULL AND";
  20                 }
  21
  22                 if (get_schema_version() < 63) $profile_qpart = "";
  23
  24                 $result = db_query( "SELECT
  25                         value,ttrss_prefs_types.type_name as type_name,ttrss_prefs.pref_name AS pref_name
  26                         FROM
  27                                 ttrss_user_prefs,ttrss_prefs,ttrss_prefs_types
  28                         WHERE
  29                                 $profile_qpart
  30                                 ttrss_prefs.pref_name NOT LIKE '_MOBILE%' AND
  31                                 ttrss_prefs_types.id = type_id AND
  32                                 owner_uid = '$user_id' AND
  33                                 ttrss_user_prefs.pref_name = ttrss_prefs.pref_name");
  34
  35                 while ($line = db_fetch_assoc($result)) {
  36                         if ($user_id == $_SESSION["uid"]) {
  37                                 $pref_name = $line["pref_name"];
  38
  39                                 $_SESSION["prefs_cache"][$pref_name]["type"] = $line["type_name"];
  40                                 $_SESSION["prefs_cache"][$pref_name]["value"] = $line["value"];
  41                         }
  42                 }
  43         }
  44
  45         function get_pref( $pref_name, $user_id = false, $die_on_error = false) {
  46
  47                 $pref_name = db_escape_string( $pref_name);
  48                 $prefs_cache = true;
  49                 $profile = false;
  50
  51                 if (!$user_id) {
  52                         $user_id = $_SESSION["uid"];
  53                         @$profile = $_SESSION["profile"];
  54                 } else {
  55                         $user_id = sprintf("%d", $user_id);
  56                         //$prefs_cache = false;
  57                 }
  58
  59                 if ($prefs_cache && !defined('DISABLE_SESSIONS') && !defined('PREFS_NO_CACHE')) {
  60                         if ($_SESSION["prefs_cache"] && @$_SESSION["prefs_cache"][$pref_name]) {
  61                                 $tuple = $_SESSION["prefs_cache"][$pref_name];
  62                                 return convert_pref_type($tuple["value"], $tuple["type"]);
  63                         }
  64                 }
  65
  66                 if ($profile) {
  67                         $profile_qpart = "profile = '$profile' AND";
  68                 } else {
  69                         $profile_qpart = "profile IS NULL AND";
  70                 }
  71
  72                 if (get_schema_version() < 63) $profile_qpart = "";
  73
  74                 $result = db_query( "SELECT
  75                         value,ttrss_prefs_types.type_name as type_name
  76                         FROM
  77                                 ttrss_user_prefs,ttrss_prefs,ttrss_prefs_types
  78                         WHERE
  79                                 $profile_qpart
  80                                 ttrss_user_prefs.pref_name = '$pref_name' AND
  81                                 ttrss_prefs_types.id = type_id AND
  82                                 owner_uid = '$user_id' AND
  83                                 ttrss_user_prefs.pref_name = ttrss_prefs.pref_name");
  84
  85                 if (db_num_rows($result) > 0) {
  86                         $value = db_fetch_result($result, 0, "value");
  87                         $type_name = db_fetch_result($result, 0, "type_name");
  88
  89                         if (!defined('DISABLE_SESSIONS')) {
  90                                 if ($user_id == $_SESSION["uid"]) {
  91                                         $_SESSION["prefs_cache"][$pref_name]["type"] = $type_name;
  92                                         $_SESSION["prefs_cache"][$pref_name]["value"] = $value;
  93                                 }
  94                         }
  95
  96                         return convert_pref_type($value, $type_name);
  97
  98                 } else {
  99                         if ($die_on_error) {
 100                                 die("Fatal error, unknown preferences key: $pref_name");
 101                         } else {
 102                                 return null;
 103                         }
 104                 }
 105         }
 106
 107         function convert_pref_type($value, $type_name) {
 108                 if ($type_name == "bool") {
 109                         return $value == "true";
 110                 } else if ($type_name == "integer") {
 111                         return sprintf("%d", $value);
 112                 } else {
 113                         return $value;
 114                 }
 115         }
 116
 117         function set_pref( $pref_name, $value, $user_id = false, $strip_tags = true) {
 118                 $pref_name = db_escape_string( $pref_name);
 119                 $value = db_escape_string( $value, $strip_tags);
 120
 121                 if (!$user_id) {
 122                         $user_id = $_SESSION["uid"];
 123                         @$profile = $_SESSION["profile"];
 124                 } else {
 125                         $user_id = sprintf("%d", $user_id);
 126                         $prefs_cache = false;
 127                 }
 128
 129                 if ($profile) {
 130                         $profile_qpart = "AND profile = '$profile'";
 131                 } else {
 132                         $profile_qpart = "AND profile IS NULL";
 133                 }
 134
 135                 if (get_schema_version() < 63) $profile_qpart = "";
 136
 137                 $type_name = "";
 138                 $current_value = "";
 139
 140                 if (!defined('DISABLE_SESSIONS') && !defined('PREFS_NO_CACHE')) {
 141                         if ($_SESSION["prefs_cache"] && @$_SESSION["prefs_cache"][$pref_name]) {
 142                                 $type_name = $_SESSION["prefs_cache"][$pref_name]["type"];
 143                                 $current_value = $_SESSION["prefs_cache"][$pref_name]["value"];
 144                         }
 145                 }
 146
 147                 if (!$type_name) {
 148                         $result = db_query( "SELECT type_name
 149                                 FROM ttrss_prefs,ttrss_prefs_types
 150                                 WHERE pref_name = '$pref_name' AND type_id = ttrss_prefs_types.id");
 151
 152                         if (db_num_rows($result) > 0)
 153                                 $type_name = db_fetch_result($result, 0, "type_name");
 154                 } else if ($current_value == $value) {
 155                         return;
 156                 }
 157
 158                 if ($type_name) {
 159                         if ($type_name == "bool") {
 160                                 if ($value == "1" || $value == "true") {
 161                                         $value = "true";
 162                                 } else {
 163                                         $value = "false";
 164                                 }
 165                         } else if ($type_name == "integer") {
 166                                 $value = sprintf("%d", $value);
 167                         }
 168
 169                         if ($pref_name == 'USER_TIMEZONE' && $value == '') {
 170                                 $value = 'UTC';
 171                         }
 172
 173                         db_query( "UPDATE ttrss_user_prefs SET
 174                                 value = '$value' WHERE pref_name = '$pref_name'
 175                                         $profile_qpart
 176                                         AND owner_uid = " . $_SESSION["uid"]);
 177
 178                         if (!defined('DISABLE_SESSIONS')) {
 179                                 if ($user_id == $_SESSION["uid"]) {
 180                                         $_SESSION["prefs_cache"][$pref_name]["type"] = $type_name;
 181                                         $_SESSION["prefs_cache"][$pref_name]["value"] = $value;
 182                                 }
 183                         }
 184                 }
 185         }
 186 ?>