| 1 | <?php |
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| 2 | |
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| 3 | |
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| 4 | /********************************************************************\ |
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| 5 | * This program is free software; you can redistribute it and/or * |
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| 6 | * modify it under the terms of the GNU General Public License as * |
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| 7 | * published by the Free Software Foundation; either version 2 of * |
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| 8 | * the License, or (at your option) any later version. * |
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| 9 | * * |
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| 10 | * This program is distributed in the hope that it will be useful, * |
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| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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| 13 | * GNU General Public License for more details. * |
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| 14 | * * |
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| 15 | * You should have received a copy of the GNU General Public License* |
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| 16 | * along with this program; if not, contact: * |
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| 17 | * * |
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| 18 | * Free Software Foundation Voice: +1-617-542-5942 * |
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| 19 | * 59 Temple Place - Suite 330 Fax: +1-617-542-2652 * |
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| 20 | * Boston, MA 02111-1307, USA gnu@gnu.org * |
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| 21 | * * |
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| 22 | \********************************************************************/ |
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| 23 | /**@file Node.php |
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| 24 | * @author Copyright (C) 2005 Benoit Gr�goire <bock@step.polymtl.ca> |
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| 25 | */ |
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| 26 | |
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| 27 | require_once BASEPATH.'include/common.php'; |
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| 28 | require_once 'Content/ContentGroup.php'; |
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| 29 | require_once BASEPATH.'classes/User.php'; |
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| 30 | |
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| 31 | /** Abstract a Node. A Node is an actual physical transmitter. */ |
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| 32 | class Node implements GenericObject |
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| 33 | { |
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| 34 | private $mRow; |
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| 35 | private $id; |
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| 36 | private static $current_node_id = null; |
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| 37 | |
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| 38 | /** Instantiate a node object |
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| 39 | * @param $id The id of the requested node |
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| 40 | * @return a Node object, or null if there was an error |
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| 41 | */ |
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| 42 | static function getObject($id) |
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| 43 | { |
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| 44 | $object = null; |
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| 45 | $object = new self($id); |
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| 46 | return $object; |
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| 47 | } |
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| 48 | |
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| 49 | /** Get the current node for which the portal is displayed or to which a user is physically connected. |
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| 50 | * @param $real_node_only true or false. If true, the real physical node where the user is connected is returned, and the node set by setCurrentNode is ignored. |
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| 51 | * @return a Node object, or null if it can't be found. |
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| 52 | */ |
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| 53 | static function getCurrentNode($real_node_only = false) |
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| 54 | { |
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| 55 | $object = null; |
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| 56 | if (self :: $current_node_id != null && $real_node_only == false) |
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| 57 | { |
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| 58 | $object = new self(self :: $current_node_id); |
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| 59 | } |
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| 60 | else |
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| 61 | { |
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| 62 | $object = self::getCurrentRealNode(); |
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| 63 | } |
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| 64 | return $object; |
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| 65 | } |
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| 66 | |
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| 67 | /** Set the current node where the user is to be considered connected to. (For portal and content display purpuses, among other. |
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| 68 | * @param $node Node. The new current node. |
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| 69 | * @return true */ |
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| 70 | static function setCurrentNode(Node $node) |
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| 71 | { |
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| 72 | self :: $current_node_id = $node->GetId(); |
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| 73 | return true; |
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| 74 | } |
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| 75 | |
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| 76 | /** Get the current node to which a user is physically connected, if any. This is done by an IP adress lookup against the last reported IP adress of the node |
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| 77 | * @param * @return a Node object, or null if it can't be found. |
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| 78 | */ |
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| 79 | public static function getCurrentRealNode() |
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| 80 | { |
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| 81 | global $db; |
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| 82 | $retval = null; |
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| 83 | $sql = "SELECT node_id, last_heartbeat_ip from nodes WHERE last_heartbeat_ip='$_SERVER[REMOTE_ADDR]'"; |
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| 84 | $db->ExecSql($sql, $node_rows, false); |
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| 85 | $num_match = count($node_rows); |
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| 86 | if ($num_match == 0) |
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| 87 | { |
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| 88 | |
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| 89 | // User is not physically connected to a node |
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| 90 | $retval = null; |
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| 91 | } |
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| 92 | else |
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| 93 | if ($num_match = 1) |
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| 94 | { |
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| 95 | // Only a single node matches, the user is presumed to be there |
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| 96 | $retval = new self($node_rows[0]['node_id']); |
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| 97 | } |
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| 98 | else |
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| 99 | { |
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| 100 | /* We have more than one node matching the IP (the nodes are behind the same NAT). |
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| 101 | * We will try to discriminate by finding which node the user last authenticated against. |
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| 102 | * If the IP matches, we can be pretty certain the user is there. |
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| 103 | */ |
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| 104 | $retval = null; |
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| 105 | $current_user = User :: getCurrentUser(); |
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| 106 | if ($current_user != null) |
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| 107 | { |
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| 108 | $current_user_id = $current_user->getId(); |
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| 109 | $_SERVER['REMOTE_ADDR']; |
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| 110 | $sql = "SELECT node_id, last_heartbeat_ip from connections NATURAL JOIN nodes WHERE user_id='$current_user_id' ORDER BY last_updated DESC "; |
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| 111 | $db->ExecSql($sql, $node_rows, false); |
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| 112 | $node_row = $node_rows[0]; |
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| 113 | if($node_row!=null && $node_row['last_heartbeat_ip']==$_SERVER['REMOTE_ADDR']) |
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| 114 | { |
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| 115 | $retval = new self($node_row['node_id']); |
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| 116 | } |
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| 117 | } |
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| 118 | } |
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| 119 | return $retval; |
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| 120 | } |
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| 121 | |
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| 122 | public function delete(& $errmsg) |
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| 123 | { |
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| 124 | $retval = false; |
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| 125 | $user = User :: getCurrentUser(); |
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| 126 | if ($this->isOwner($user) || $user->isSuperAdmin()) |
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| 127 | { |
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| 128 | $errmsg = _('Access denied!'); |
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| 129 | } |
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| 130 | global $db; |
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| 131 | |
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| 132 | if (!$db->ExecSqlUpdate("DELETE FROM nodes WHERE node_id='{$this->$id}'", false)) |
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| 133 | { |
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| 134 | $errmsg = _('Could not delete node!'); |
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| 135 | } |
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| 136 | else |
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| 137 | { |
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| 138 | $retval = true; |
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| 139 | } |
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| 140 | return $retval; |
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| 141 | } |
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| 142 | |
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| 143 | /** Create a new Node in the database |
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| 144 | * @param $id The id to be given to the new node |
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| 145 | * @return the newly created Node object, or null if there was an error |
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| 146 | */ |
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| 147 | static function createNewObject() |
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| 148 | { |
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| 149 | global $db; |
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| 150 | |
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| 151 | $node_id = $db->EscapeString(get_guid()); |
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| 152 | $name = $db->EscapeString('New node'); |
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| 153 | |
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| 154 | $sql = "INSERT INTO nodes (node_id, name) VALUES ('$node_id','$name')"; |
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| 155 | |
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| 156 | if (!$db->ExecSqlUpdate($sql, false)) |
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| 157 | { |
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| 158 | throw new Exception(_('Unable to insert new node into database!')); |
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| 159 | } |
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| 160 | $object = new self($node_id); |
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| 161 | return $object; |
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| 162 | } |
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| 163 | |
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| 164 | /** Create a new Node in the database |
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| 165 | * @deprecated version - 18-Apr-2005 |
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| 166 | * @param $id The id to be given to the new node |
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| 167 | * @return the newly created Node object, or null if there was an error |
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| 168 | */ |
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| 169 | static function createNode($node_id, $name, $rss_url, $home_page_url, $description, $map_url, $street_address, $public_phone_number, $public_email, $mass_transit_info, $node_deployment_status) |
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| 170 | { |
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| 171 | global $db; |
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| 172 | |
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| 173 | $node_id = $db->EscapeString($node_id); |
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| 174 | $name = $db->EscapeString($name); |
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| 175 | $rss_url = $db->EscapeString($rss_url); |
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| 176 | $home_page_url = $db->EscapeString($home_page_url); |
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| 177 | $description = $db->EscapeString($description); |
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| 178 | $map_url = $db->EscapeString($map_url); |
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| 179 | $street_address = $db->EscapeString($street_address); |
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| 180 | $public_phone_number = $db->EscapeString($public_phone_number); |
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| 181 | $public_email = $db->EscapeString($public_email); |
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| 182 | $mass_transit_info = $db->EscapeString($mass_transit_info); |
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| 183 | $node_deployment_status = $db->EscapeString($node_deployment_status); |
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| 184 | |
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| 185 | if (Node :: nodeExists($node_id)) |
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| 186 | throw new Exception(_('This node already exists.')); |
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| 187 | |
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| 188 | $sql = "INSERT INTO nodes (node_id, name, rss_url, creation_date, home_page_url, description, map_url, street_address, public_phone_number, public_email, mass_transit_info, node_deployment_status) VALUES ('$node_id','$name','$rss_url',NOW(),'$home_page_url','$description','$map_url','$street_address','$public_phone_number','$public_email','$mass_transit_info','$node_deployment_status')"; |
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| 189 | |
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| 190 | if (!$db->ExecSqlUpdate($sql, false)) |
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| 191 | { |
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| 192 | throw new Exception(_('Unable to insert new node into database!')); |
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| 193 | } |
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| 194 | $object = new self($node_id); |
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| 195 | return $object; |
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| 196 | } |
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| 197 | |
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| 198 | /** Get an interface to pick a node. |
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| 199 | * @param $user_prefix A identifier provided by the programmer to recognise it's generated html form |
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| 200 | * @param $sql_additional_where Addidional where conditions to restrict the candidate objects |
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| 201 | * @return html markup |
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| 202 | */ |
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| 203 | public static function getSelectNodeUI($user_prefix, $sql_additional_where = null) |
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| 204 | { |
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| 205 | global $db; |
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| 206 | $html = ''; |
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| 207 | $name = "{$user_prefix}"; |
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| 208 | $html .= "Node: \n"; |
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| 209 | $sql = "SELECT node_id, name from nodes WHERE 1=1 $sql_additional_where ORDER BY node_id"; |
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| 210 | $db->ExecSql($sql, $node_rows, false); |
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| 211 | if ($node_rows != null) |
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| 212 | { |
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| 213 | $i = 0; |
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| 214 | foreach ($node_rows as $node_row) |
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| 215 | { |
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| 216 | $tab[$i][0] = $node_row['node_id']; |
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| 217 | $tab[$i][1] = $node_row['node_id'].": ".$node_row['name']; |
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| 218 | $i ++; |
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| 219 | } |
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| 220 | $html .= FormSelectGenerator :: generateFromArray($tab, null, $name, null, false); |
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| 221 | } |
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| 222 | return $html; |
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| 223 | } |
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| 224 | |
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| 225 | /** Get the selected Network object. |
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| 226 | * @param $user_prefix A identifier provided by the programmer to recognise it's generated form |
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| 227 | * @return the Network object |
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| 228 | */ |
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| 229 | static function processSelectNodeUI($user_prefix) |
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| 230 | { |
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| 231 | $object = null; |
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| 232 | $name = "{$user_prefix}"; |
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| 233 | return new self($_REQUEST[$name]); |
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| 234 | } |
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| 235 | |
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| 236 | /** @param $node_id The id of the node */ |
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| 237 | function __construct($node_id) |
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| 238 | { |
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| 239 | global $db; |
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| 240 | |
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| 241 | $node_id_str = $db->EscapeString($node_id); |
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| 242 | $sql = "SELECT * FROM nodes WHERE node_id='$node_id_str'"; |
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| 243 | $db->ExecSqlUniqueRes($sql, $row, false); |
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| 244 | if ($row == null) |
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| 245 | { |
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| 246 | throw new Exception(_("The id $node_id_str could not be found in the database")); |
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| 247 | } |
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| 248 | $this->mRow = $row; |
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| 249 | $this->id = $row['node_id']; |
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| 250 | } |
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| 251 | |
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| 252 | /** Return the name of the node |
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| 253 | */ |
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| 254 | function getName() |
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| 255 | { |
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| 256 | return $this->mRow['name']; |
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| 257 | } |
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| 258 | |
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| 259 | function getID() |
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| 260 | { |
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| 261 | return $this->mRow['node_id']; |
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| 262 | } |
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| 263 | |
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| 264 | function getRSSURL() |
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| 265 | { |
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| 266 | return $this->mRow['rss_url']; |
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| 267 | } |
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| 268 | |
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| 269 | function getHomePageURL() |
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| 270 | { |
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| 271 | return $this->mRow['home_page_url']; |
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| 272 | } |
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| 273 | |
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| 274 | function getDescription() |
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| 275 | { |
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| 276 | return $this->mRow['description']; |
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| 277 | } |
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| 278 | |
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| 279 | function getMapURL() |
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| 280 | { |
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| 281 | return $this->mRow['map_url']; |
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| 282 | } |
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| 283 | |
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| 284 | function getAddress() |
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| 285 | { |
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| 286 | return $this->mRow['street_address']; |
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| 287 | } |
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| 288 | |
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| 289 | function getTelephone() |
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| 290 | { |
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| 291 | return $this->mRow['public_phone_number']; |
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| 292 | } |
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| 293 | |
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| 294 | function getTransitInfo() |
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| 295 | { |
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| 296 | return $this->mRow['mass_transit_info']; |
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| 297 | } |
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| 298 | |
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| 299 | function getEmail() |
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| 300 | { |
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| 301 | return $this->mRow['public_email']; |
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| 302 | } |
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| 303 | |
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| 304 | function getDeploymentStatus() |
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| 305 | { |
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| 306 | return $this->mRow['node_deployment_status']; |
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| 307 | } |
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| 308 | |
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| 309 | function setInfos($info_array) |
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| 310 | { |
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| 311 | global $db; |
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| 312 | |
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| 313 | $infos_to_add = array (); |
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| 314 | if ($info_array) |
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| 315 | { |
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| 316 | foreach ($info_array as $column => $value) |
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| 317 | { |
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| 318 | $value = $db->EscapeString($value); |
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| 319 | array_push($infos_to_add, "$column='$value'"); |
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| 320 | } |
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| 321 | $sql = "UPDATE nodes SET "; |
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| 322 | $sql .= implode(",", $infos_to_add); |
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| 323 | $sql .= " WHERE node_id='{$this->id}'"; |
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| 324 | if (!$db->ExecSqlUpdate($sql, false)) |
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| 325 | { |
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| 326 | throw new Exception(_('Unable to update database!')); |
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| 327 | } |
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| 328 | } |
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| 329 | else |
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| 330 | { |
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| 331 | throw new Exception(_('No info to update node with!')); |
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| 332 | } |
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| 333 | } |
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| 334 | |
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| 335 | /** Retreives the admin interface of this object. |
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| 336 | * @return The HTML fragment for this interface */ |
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| 337 | public function getAdminUI() |
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| 338 | { |
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| 339 | $html = ''; |
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| 340 | $html .= "<div class='admin_container'>\n"; |
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| 341 | $html .= "<div class='admin_class'>Node (".get_class($this)." instance)</div>\n"; |
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| 342 | |
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| 343 | $html .= "<div class='admin_section_container'>\n"; |
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| 344 | $html .= "<div class='admin_section_title'>"._("Statistics:")."</div>\n"; |
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| 345 | |
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| 346 | $name = "node_".$this->id."_get_stats"; |
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| 347 | $html .= "<input type='submit' name='$name' value='"._("Get access statistics")."'>"; |
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| 348 | |
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| 349 | $html .= "</div>\n"; |
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| 350 | |
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| 351 | $html .= "<div class='admin_section_container'>\n"; |
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| 352 | $html .= "<div class='admin_section_title'>"._("Node content:")."</div>\n"; |
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| 353 | |
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| 354 | $html .= "<ul class='admin_section_list'>\n"; |
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| 355 | foreach ($this->getAllContent() as $content) |
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| 356 | { |
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| 357 | $html .= "<li class='admin_section_list_item'>\n"; |
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| 358 | $html .= "<div class='admin_section_data'>\n"; |
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| 359 | $html .= $content->getListUI(); |
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| 360 | $html .= "</div'>\n"; |
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| 361 | $html .= "<div class='admin_section_tools'>\n"; |
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| 362 | $name = "node_".$this->id."_content_".$content->GetId()."_erase"; |
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| 363 | $html .= "<input type='submit' name='$name' value='"._("Remove")."'>"; |
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| 364 | $html .= "</div>\n"; |
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| 365 | $html .= "</li>\n"; |
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| 366 | } |
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| 367 | $html .= "<li class='admin_section_list_item'>\n"; |
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| 368 | $name = "node_{$this->id}_new_content"; |
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| 369 | $html .= Content :: getSelectContentUI($name, "AND content_id NOT IN (SELECT content_id FROM node_has_content WHERE node_id='$this->id')"); |
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| 370 | $name = "node_{$this->id}_new_content_submit"; |
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| 371 | $html .= "<input type='submit' name='$name' value='"._("Add")."'>"; |
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| 372 | $html .= "</li>\n"; |
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| 373 | $html .= "</ul>\n"; |
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| 374 | $html .= "</div>\n"; |
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| 375 | $html .= "</div>\n"; |
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| 376 | return $html; |
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| 377 | } |
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| 378 | |
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| 379 | /** Process admin interface of this object. |
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| 380 | */ |
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| 381 | public function processAdminUI() |
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| 382 | { |
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| 383 | $user = User::getCurrentUser(); |
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| 384 | if (!$this->isOwner($user) && !$user->isSuperAdmin()) |
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| 385 | { |
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| 386 | throw new Exception(_('Access denied!')); |
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| 387 | } |
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| 388 | |
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| 389 | $name = "node_{$this->id}_get_stats"; |
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| 390 | if (!empty ($_REQUEST[$name])) |
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| 391 | header("Location: hotspot_log.php?node_id=".urlencode($this->getId())); |
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| 392 | |
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| 393 | foreach ($this->getAllContent() as $content) |
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| 394 | { |
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| 395 | $name = "node_".$this->id."_content_".$content->GetId()."_erase"; |
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| 396 | if (!empty ($_REQUEST[$name])) |
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| 397 | { |
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| 398 | $this->removeContent($content); |
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| 399 | } |
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| 400 | } |
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| 401 | |
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| 402 | $name = "node_{$this->id}_new_content_submit"; |
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| 403 | if (!empty ($_REQUEST[$name])) |
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| 404 | { |
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| 405 | $name = "node_{$this->id}_new_content"; |
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| 406 | $content = Content :: processSelectContentUI($name); |
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| 407 | if($content) |
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| 408 | $this->addContent($content); |
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| 409 | } |
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| 410 | } |
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| 411 | |
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| 412 | // Redirect to this node's portal page |
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| 413 | public function getUserUI() |
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| 414 | { |
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| 415 | header("Location: ".BASE_SSL_PATH."portal/?gw_id=".$this->getId()); |
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| 416 | } |
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| 417 | |
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| 418 | /** Add content to this node */ |
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| 419 | public function addContent(Content $content) |
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| 420 | { |
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| 421 | global $db; |
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| 422 | $content_id = $db->EscapeString($content->getId()); |
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| 423 | $sql = "INSERT INTO node_has_content (node_id, content_id) VALUES ('$this->id','$content_id')"; |
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| 424 | $db->ExecSqlUpdate($sql, false); |
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| 425 | } |
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| 426 | |
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| 427 | /** Remove content from this node */ |
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| 428 | public function removeContent(Content $content) |
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| 429 | { |
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| 430 | global $db; |
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| 431 | $content_id = $db->EscapeString($content->getId()); |
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| 432 | $sql = "DELETE FROM node_has_content WHERE node_id='$this->id' AND content_id='$content_id'"; |
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| 433 | $db->ExecSqlUpdate($sql, false); |
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| 434 | } |
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| 435 | |
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| 436 | /**Get an array of all Content linked to this node |
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| 437 | * @param boolean $exclude_subscribed_content |
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| 438 | * @param User $subscriber The User object used to discriminate the content |
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| 439 | * @return an array of Content or an empty arrray */ |
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| 440 | function getAllContent($exclude_subscribed_content = false, $subscriber = null) |
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| 441 | { |
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| 442 | global $db; |
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| 443 | $retval = array (); |
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| 444 | // Get all network, but exclude user subscribed content if asked |
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| 445 | if ($exclude_subscribed_content == true && $subscriber) |
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| 446 | $sql = "SELECT content_id FROM node_has_content WHERE node_id='$this->id' AND content_id NOT IN (SELECT content_id FROM user_has_content WHERE user_id = '{$subscriber->getId()}') ORDER BY subscribe_timestamp"; |
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| 447 | else |
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| 448 | $sql = "SELECT content_id FROM node_has_content WHERE node_id='$this->id' ORDER BY subscribe_timestamp"; |
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| 449 | $db->ExecSql($sql, $content_rows, false); |
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| 450 | |
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| 451 | if ($content_rows != null) |
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| 452 | { |
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| 453 | foreach ($content_rows as $content_row) |
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| 454 | { |
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| 455 | $retval[] = Content :: getObject($content_row['content_id']); |
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| 456 | } |
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| 457 | } |
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| 458 | return $retval; |
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| 459 | } |
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| 460 | |
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| 461 | /** Get an array of all artistic and locative Content for this hotspot |
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| 462 | * @return an array of Content or an empty arrray */ |
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| 463 | function getAllLocativeArtisticContent() |
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| 464 | { |
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| 465 | global $db; |
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| 466 | $retval = array (); |
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| 467 | $sql = "SELECT * FROM content_group JOIN content ON (content.content_id = content_group.content_group_id) JOIN node_has_content ON (node_has_content.content_id = content_group.content_group_id AND node_has_content.node_id = '{$this->getId()}') WHERE is_persistent = true AND is_artistic_content = true AND is_locative_content = true"; |
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| 468 | $db->ExecSql($sql, $content_rows, false); |
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| 469 | if ($content_rows != null) |
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| 470 | { |
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| 471 | foreach ($content_rows as $content_row) |
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| 472 | { |
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| 473 | // Create a content group object and grab only those that have content for the current Node |
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| 474 | $content_group = Content::getObject($content_row['content_group_id']); |
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| 475 | if($content_group->getDisplayNumElements() >= 1) |
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| 476 | { |
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| 477 | if($content_group->isDisplayableAt($this)) |
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| 478 | { |
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| 479 | // Disable logging and allow content to expand ( if possible ) |
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| 480 | $content_group->setExpandStatus(true); |
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| 481 | $content_group->setLoggingStatus(false); |
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| 482 | $retval[] = $content_group; |
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| 483 | } |
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| 484 | } |
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| 485 | } |
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| 486 | } |
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| 487 | return $retval; |
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| 488 | } |
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| 489 | |
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| 490 | /** Return all the nodes |
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| 491 | */ |
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| 492 | static function getAllNodes() |
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| 493 | { |
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| 494 | global $db; |
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| 495 | |
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| 496 | $db->ExecSql("SELECT * FROM nodes", $nodes, false); |
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| 497 | |
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| 498 | if ($nodes == null) |
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| 499 | throw new Exception(_("No nodes could not be found in the database")); |
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| 500 | |
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| 501 | return $nodes; |
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| 502 | } |
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| 503 | |
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| 504 | static function getAllNodesOrdered($order_by) |
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| 505 | { |
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| 506 | global $db; |
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| 507 | |
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| 508 | $db->ExecSql("SELECT * FROM nodes ORDER BY $order_by", $nodes, false); |
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| 509 | |
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| 510 | if ($nodes == null) |
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| 511 | throw new Exception(_("No nodes could not be found in the database")); |
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| 512 | |
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| 513 | return $nodes; |
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| 514 | } |
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| 515 | |
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| 516 | static function getAllNodesWithStatus() |
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| 517 | { |
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| 518 | global $db; |
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| 519 | |
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| 520 | $db->ExecSql("SELECT node_id, name, last_heartbeat_user_agent, (NOW()-last_heartbeat_timestamp) AS since_last_heartbeat, last_heartbeat_ip, CASE WHEN ((NOW()-last_heartbeat_timestamp) < interval '5 minutes') THEN true ELSE false END AS online, creation_date, node_deployment_status FROM nodes ORDER BY node_id", $nodes, false); |
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| 521 | |
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| 522 | if ($nodes == null) |
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| 523 | throw new Exception(_("No nodes could not be found in the database")); |
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| 524 | |
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| 525 | return $nodes; |
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| 526 | } |
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| 527 | |
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| 528 | static function getAllDeploymentStatus() |
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| 529 | { |
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| 530 | global $db; |
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| 531 | |
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| 532 | $db->ExecSql("SELECT * FROM node_deployment_status", $statuses, false); |
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| 533 | if ($statuses == null) |
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| 534 | throw new Exception(_("No deployment statues could be found in the database")); |
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| 535 | |
|---|
| 536 | $statuses_array = array (); |
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| 537 | foreach ($statuses as $status) |
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| 538 | array_push($statuses_array, $status['node_deployment_status']); |
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| 539 | |
|---|
| 540 | return $statuses_array; |
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| 541 | } |
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| 542 | |
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| 543 | /** The list of users online at this node |
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| 544 | * @return An array of User object, or en empty array */ |
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| 545 | function getOnlineUsers() |
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| 546 | { |
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| 547 | global $db; |
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| 548 | $retval=array(); |
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| 549 | $db->ExecSql("SELECT users.user_id FROM users,connections WHERE connections.token_status='".TOKEN_INUSE."' AND users.user_id=connections.user_id AND connections.node_id='{$this->id}'", $users, false); |
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| 550 | if($users != null) |
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| 551 | { |
|---|
| 552 | foreach ($users as $user_row) |
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| 553 | { |
|---|
| 554 | $retval[] = User::getObject($user_row['user_id']); |
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| 555 | } |
|---|
| 556 | } |
|---|
| 557 | return $retval; |
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| 558 | } |
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| 559 | |
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| 560 | function getOwners() |
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| 561 | { |
|---|
| 562 | global $db; |
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| 563 | |
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| 564 | $db->ExecSql("SELECT user_id FROM node_owners WHERE node_id='{$this->id}'", $owners, false); |
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| 565 | return $owners; |
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| 566 | } |
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| 567 | |
|---|
| 568 | function addOwner($user_id) |
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| 569 | { |
|---|
| 570 | /* TODO: VALIDER les champs de donnees node_id et user_id */ |
|---|
| 571 | |
|---|
| 572 | global $db; |
|---|
| 573 | if (!$db->ExecSqlUpdate("INSERT INTO node_owners (node_id, user_id) VALUES ('{$this->id}','{$user_id}')", false)) |
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| 574 | throw new Exception(_('Could not add owner')); |
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| 575 | } |
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| 576 | |
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| 577 | function removeOwner($user_id) |
|---|
| 578 | { |
|---|
| 579 | global $db; |
|---|
| 580 | if (!$db->ExecSqlUpdate("DELETE FROM node_owners WHERE node_id='{$this->id}' AND user_id='{$user_id}'", false)) |
|---|
| 581 | throw new Exception(_('Could not remove owner')); |
|---|
| 582 | } |
|---|
| 583 | |
|---|
| 584 | /** Is the user an owner of the Node? |
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| 585 | * @return true our false*/ |
|---|
| 586 | function isOwner(User $user) |
|---|
| 587 | { |
|---|
| 588 | global $db; |
|---|
| 589 | if ($user != null) |
|---|
| 590 | { |
|---|
| 591 | $user_id = $user->getId(); |
|---|
| 592 | $retval = false; |
|---|
| 593 | $db->ExecSqlUniqueRes("SELECT * FROM node_owners WHERE node_id='{$this->id}' AND user_id='{$user_id}'", $row, false); |
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| 594 | if ($row != null) |
|---|
| 595 | { |
|---|
| 596 | $retval = true; |
|---|
| 597 | } |
|---|
| 598 | } |
|---|
| 599 | return $retval; |
|---|
| 600 | } |
|---|
| 601 | |
|---|
| 602 | function nodeExists($id) |
|---|
| 603 | { |
|---|
| 604 | global $db; |
|---|
| 605 | $id_str = $db->EscapeString($id); |
|---|
| 606 | $sql = "SELECT * FROM nodes WHERE node_id='{$id_str}'"; |
|---|
| 607 | $db->ExecSqlUniqueRes($sql, $row, false); |
|---|
| 608 | return $row; |
|---|
| 609 | } |
|---|
| 610 | |
|---|
| 611 | function getInfoArray() |
|---|
| 612 | { |
|---|
| 613 | return $this->mRow; |
|---|
| 614 | } |
|---|
| 615 | |
|---|
| 616 | /** Warning, the semantics of this function will change * |
|---|
| 617 | * @deprecated version - 2005-04-29 USE getOnlineUsers instead |
|---|
| 618 | * */ |
|---|
| 619 | public static function getAllOnlineUsers() |
|---|
| 620 | { |
|---|
| 621 | global $db; |
|---|
| 622 | $db->ExecSql("SELECT * FROM connections,users,nodes WHERE token_status='".TOKEN_INUSE."' AND users.user_id=connections.user_id AND nodes.node_id=connections.node_id ORDER BY timestamp_in DESC", $online_users); |
|---|
| 623 | return $online_users; |
|---|
| 624 | } |
|---|
| 625 | |
|---|
| 626 | } // End class |
|---|
| 627 | ?> |
|---|