| 1 | <?php |
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| 2 | /**************************************************************************\ |
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| 3 | * eGroupWare API - Application configuration in a centralized location * |
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| 4 | * This file written by Joseph Engo <jengo@phpgroupware.org> * |
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| 5 | * Copyright (C) 2000, 2001 Joseph Engo * |
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| 6 | * -------------------------------------------------------------------------* |
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| 7 | * This library is part of the eGroupWare API * |
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| 8 | * http://www.egroupware.org/api * |
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| 9 | * ------------------------------------------------------------------------ * |
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| 10 | * This library is free software; you can redistribute it and/or modify it * |
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| 11 | * under the terms of the GNU Lesser General Public License as published by * |
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| 12 | * the Free Software Foundation; either version 2.1 of the License, * |
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| 13 | * or any later version. * |
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| 14 | * This library is distributed in the hope that it will be useful, but * |
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| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. * |
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| 17 | * See the GNU Lesser General Public License for more details. * |
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| 18 | * You should have received a copy of the GNU Lesser General Public License * |
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| 19 | * along with this library; if not, write to the Free Software Foundation, * |
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| 20 | * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * |
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| 21 | \**************************************************************************/ |
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| 22 | |
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| 23 | |
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| 24 | class config |
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| 25 | { |
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| 26 | var $db; |
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| 27 | var $appname; |
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| 28 | var $config_data; // actual config-data |
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| 29 | var $read_data; // config-data as read from db |
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| 30 | |
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| 31 | function config($appname = '') |
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| 32 | { |
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| 33 | if (! $appname) |
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| 34 | { |
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| 35 | $appname = $GLOBALS['phpgw_info']['flags']['currentapp']; |
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| 36 | } |
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| 37 | |
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| 38 | $this->db = is_object($GLOBALS['phpgw']->db) ? $GLOBALS['phpgw']->db : $GLOBALS['phpgw_setup']->db; |
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| 39 | $this->appname = $appname; |
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| 40 | } |
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| 41 | |
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| 42 | /*! |
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| 43 | @function read_repository |
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| 44 | @abstract reads the whole repository for $this->appname, appname has to be set via the constructor |
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| 45 | @returns the whole config-array for that app |
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| 46 | */ |
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| 47 | function read_repository() |
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| 48 | { |
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| 49 | $this->config_data = array(); |
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| 50 | |
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| 51 | $this->db->query("select * from phpgw_config where config_app='" . $this->appname . "'",__LINE__,__FILE__); |
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| 52 | while ($this->db->next_record()) |
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| 53 | { |
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| 54 | $test = @unserialize($this->db->f('config_value')); |
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| 55 | if($test) |
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| 56 | { |
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| 57 | $this->config_data[$this->db->f('config_name')] = $test; |
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| 58 | } |
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| 59 | else |
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| 60 | { |
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| 61 | $this->config_data[$this->db->f('config_name')] = $this->db->f('config_value'); |
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| 62 | } |
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| 63 | } |
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| 64 | return $this->read_data = $this->config_data; |
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| 65 | } |
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| 66 | |
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| 67 | /*! |
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| 68 | @function save_repository |
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| 69 | @abstract updates the whole repository for $this->appname, you have to call read_repository() before (!) |
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| 70 | */ |
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| 71 | function save_repository() |
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| 72 | { |
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| 73 | if (is_array($this->config_data)) |
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| 74 | { |
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| 75 | $this->db->lock(array('phpgw_config','phpgw_app_sessions')); |
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| 76 | if($this->appname == 'phpgwapi') |
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| 77 | { |
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| 78 | $this->db->query("delete from phpgw_app_sessions where sessionid = '0' and loginid = '0' and app = '".$this->appname."' and location = 'config'",__LINE__,__FILE__); |
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| 79 | } |
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| 80 | foreach($this->config_data as $name => $value) |
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| 81 | { |
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| 82 | $this->save_value($name,$value); |
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| 83 | } |
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| 84 | foreach($this->read_data as $name => $value) |
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| 85 | { |
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| 86 | if (!isset($this->config_data[$name])) // has been deleted |
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| 87 | { |
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| 88 | $this->db->query("DELETE FROM phpgw_config WHERE config_app='$this->appname' AND config_name='$name'",__LINE__,__FILE__); |
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| 89 | } |
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| 90 | } |
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| 91 | $this->db->unlock(); |
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| 92 | } |
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| 93 | $this->read_data = $this->config_data; |
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| 94 | } |
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| 95 | |
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| 96 | /*! |
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| 97 | @function save_value |
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| 98 | @abstract updates or insert a single config-value |
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| 99 | @param $name string name of the config-value |
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| 100 | @param $value mixed content |
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| 101 | @param $app string app-name, defaults to $this->appname set via the constructor |
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| 102 | */ |
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| 103 | function save_value($name,$value,$app=False) |
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| 104 | { |
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| 105 | //echo "<p>config::save_value('$name','".print_r($value,True)."','$app')</p>\n"; |
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| 106 | if (!$app || $app == $this->appname) |
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| 107 | { |
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| 108 | $app = $this->appname; |
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| 109 | $this->config_data[$name] = $value; |
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| 110 | } |
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| 111 | $name = $this->db->db_addslashes($name); |
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| 112 | |
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| 113 | if ($app == $this->appname && $this->read_data[$name] == $value) |
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| 114 | { |
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| 115 | return True; // no change ==> exit |
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| 116 | } |
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| 117 | $this->db->query($sql="select * from phpgw_config where config_app='$app' AND config_name='$name'",__LINE__,__FILE__); |
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| 118 | if ($this->db->next_record()) |
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| 119 | { |
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| 120 | $value_read = @unserialize($this->db->f('config_value')); |
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| 121 | if (!$value_read) |
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| 122 | { |
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| 123 | $value_read = $this->db->f('config_value'); |
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| 124 | } |
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| 125 | if ($value_read == $value) |
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| 126 | { |
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| 127 | return True; // no change ==> exit |
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| 128 | } |
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| 129 | $update = True; |
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| 130 | } |
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| 131 | //echo "<p>config::save_value('$name','".print_r($value,True)."','$app')</p>\n"; |
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| 132 | |
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| 133 | if(is_array($value)) |
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| 134 | { |
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| 135 | $value = serialize($value); |
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| 136 | } |
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| 137 | $value = $this->db->db_addslashes($value); |
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| 138 | |
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| 139 | $query = $update ? "UPDATE phpgw_config SET config_value='$value' WHERE config_app='$app' AND config_name='$name'" : |
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| 140 | "INSERT INTO phpgw_config (config_app,config_name,config_value) VALUES ('$app','$name','$value')"; |
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| 141 | |
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| 142 | return $this->db->query($query,__LINE__,__FILE__); |
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| 143 | } |
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| 144 | |
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| 145 | /*! |
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| 146 | @function delete_repository |
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| 147 | @abstract deletes the whole repository for $this->appname, appname has to be set via the constructor |
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| 148 | */ |
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| 149 | function delete_repository() |
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| 150 | { |
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| 151 | $this->db->query("delete from phpgw_config where config_app='" . $this->appname . "'",__LINE__,__FILE__); |
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| 152 | } |
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| 153 | |
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| 154 | /*! |
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| 155 | @function delete_value |
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| 156 | @abstract deletes a single value from the repository, you need to call save_repository after |
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| 157 | @param $variable_name string name of the config |
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| 158 | */ |
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| 159 | function delete_value($variable_name) |
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| 160 | { |
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| 161 | unset($this->config_data[$variable_name]); |
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| 162 | } |
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| 163 | /*! |
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| 164 | @function value |
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| 165 | @abstract sets a single value in the repositry, you need to call save_repository after |
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| 166 | @param $variable_name string name of the config |
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| 167 | @param $variable_data mixed the content |
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| 168 | */ |
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| 169 | function value($variable_name,$variable_data) |
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| 170 | { |
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| 171 | $this->config_data[$variable_name] = $variable_data; |
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| 172 | } |
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| 173 | } |
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| 174 | ?> |
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