FolderSubscription.inc
8.36 KB
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<?php
/**
*
* $Id$
*
* Represents a folder subscription.
*
* Licensed under the GNU GPL. For full terms see the file COPYING.
*
* @version $Revision$
* @author Michael Joseph <michael@jamwarehouse.com>, Jam Warehouse (Pty) Ltd, South Africa
*
* @package lib.subscriptions
*/
class FolderSubscription {
/**
* Primary key
*/
var $iID;
/**
* The ID of the folder subscribed to
*/
var $iFolderID;
/**
* The ID of the user subscribed to the folder
*/
var $iUserID;
/**
* The time this subscription was triggered
*/
var $dTimeAlerted;
/**
* Whether this subscription is triggered
*/
var $bIsAlerted;
/**
* Creates a new folder subscription object
*
* @param integer the folder ID
* @param integer the user ID
*/
function FolderSubscription($iFolderID, $iUserID) {
//id of -1 means that the object has not yet been stored in the database
$this->iID = -1;
$this->iFolderID = $iFolderID;
$this->iUserID = $iUserID;
$this->dTimeAlerted = getCurrentDateTime();
$this->bIsAlerted = false;
}
/**
* Get the primary key of the current folder subscription object
*
* @return integer primary key of folder subscription
*/
function getID() {
return $this->iID;
}
/**
* Get the primary key of the folder.
*
* @return integer primary key of folder
*/
function getFolderID() {
return $this->iFolderID;
}
/**
* Set the folder id
*
* @param integer new folder primary key
*/
function setFolderID($iNewValue) {
$this->iFolderID = $iNewValue;
}
/**
* Get the primary key of the user
*
* @return integer primary key of user
*/
function getUserID() {
return $this->iUserID;
}
/**
* Set the user id
*
* @param integer new user primary key
*/
function setUserID($iNewValue) {
$this->iUserID = $iNewValue;
}
/**
* Get the time this document subscription was alerted
*
* @return string the date time the subscription alert was triggered
*/
function getTimeAlerted() {
return $this->dTimeAlerted;
}
/**
* Get the trigger status of this subscription
*
* @return boolean the trigger status of this subscription
*/
function getIsAlerted() {
return $this->bIsAlerted;
}
/**
* Set the trigger status of the subscription
*
* @param boolean new trigger status
*/
function setIsAlerted($iNewValue) {
$this->bIsAlerted = $iNewValue;
}
/**
* Create the current folder subscription in the database
*
* @return boolean true and set $this->iID with new primary key, false otherwise and set $_SESSION["errorMessage"]
*/
function create() {
global $default, $lang_err_database;
$lang_err_object_exists;
//if the object has not already been stored
if ($this->iID < 0) {
$sql = $default->db;
if ($sql->query("INSERT INTO " . $default->owl_folder_subscriptions_table . " (user_id, folder_id) " .
"VALUES ($this->iUserID, $this->iFolderID)")) {
$this->iID = $sql->insert_id();
// TODO: now create subscriptions for all the documents in this folder
return true;
} else {
$_SESSION["errorMessage"] = $lang_err_database;
}
} else {
$_SESSION["errorMessage"] = $lang_err_object_exists . "id = " . $this->iID . " table = folder_subscriptions";
}
return false;
}
/**
* Update the current folder subscription values in the database
*
* @return boolean true on successful update, false otherwise and set $_SESSION["errorMessage"]
*/
function update() {
global $default, $lang_err_database, $lang_err_object_key;
//can only update the object if it has already been stored
if ($this->iID >= 0) {
$sql = $default->db;
if ($sql->query("UPDATE " . $default->owl_folder_subscriptions_table . " SET " .
"user_id = $this->iUserID, " .
"folder_id = $this->iFolderID, " .
"datetime_alerted = '" . getCurrentDateTime() . "', " .
"is_alerted = $this->bIsAlerted " .
"WHERE id = " . $this->iID)) {
return true;
} else {
$_SESSION["errorMessage"] = $lang_err_database;
}
} else {
$_SESSION["errorMessage"] = $lang_err_object_key;
}
return false;
}
/**
* Delete the current object from the database
*
* @return boolean true and reset id to -1 on successful delete, false otherwise and set $_SESSION["errorMessage"]
*/
function delete() {
global $default, $lang_err_database, $lang_err_object_key;
if ($this->iID >= 0) {
$sql = $default->db;
if ($sql->query("DELETE FROM " . $default->owl_folder_subscriptions_table . " WHERE id = " . $this->iID)) {
$this->iID = -1;
// TODO: remove all document subscriptions?
return true;
} else {
$_SESSION["errorMessage"] = $lang_err_database;
}
} else {
$_SESSION["errorMessage"] = $lang_err_object_key;
}
return false;
}
/**
* Static function.
* Given a folder subscription primary key will create
* a folder subscription object and populate it with the corresponding
* database values
*
* @param integer primary key of folder subscription to get
* @return object folder subscription object on successful retrieval, false otherwise and set $_SESSION["errorMessage"]
*/
function get($iFolderSubscriptionID) {
global $default, $lang_err_database, $lang_err_object_not_exist;
$sql = $default->db;
if ($sql->query("SELECT * FROM " . $default->owl_folder_subscriptions_table . " WHERE id = " . $iFolderSubscriptionID)) {
if ($sql->next_record()) {
$oFolderSubscription = & new FolderSubscription($sql->f("folder_id"), $sql->f("user_id"));
$oFolderSubscription->iID = $iFolderSubscriptionID;
return $oFolderSubscription;
} else {
$_SESSION["errorMessage"] = $lang_err_object_not_exist . "id = " . $iFolderSubscriptionID . " table = folder_subscriptions";
}
} else {
$_SESSION["errorMessage"] = $lang_err_database;
}
return false;
}
/**
* Static function.
* Given a folder subscription's values will create
* a folder subscription object and populate it with the corresponding
* primary key
*
* @param integer the folder ID
* @param integer the user ID
* @return object folder subscription object on successful retrieval, false otherwise and set $_SESSION["errorMessage"]
*/
function getByIDs($iFolderID, $iUserID) {
global $default, $lang_err_object_not_exist;
$sql = $default->db;
$sql->query("SELECT * FROM " . $default->owl_folder_subscriptions_table . " " .
"WHERE folder_id = $iFolderID AND user_id = $iUserID");
if ($sql->next_record()) {
$oFolderSubscription = & new FolderSubscription($sql->f("folder_id"), $sql->f("user_id"));
$oFolderSubscription->iID = $sql->f("id");
return $oFolderSubscription;
}
$_SESSION["errorMessage"] = $lang_err_object_not_exist . "id = " . $iFolderSubscriptionID . " table = folder_subscriptions";
return false;
}
/**
* Checks if a given folder subscription already exists using the folder and user ids
*
* @param integer the folder ID
* @param integer the user ID
* @return true if the folder subscription exists, false otherwise
*/
function exists($iFolderID, $iUserID) {
global $default;
$sql = $default->db;
$sql->query("SELECT id FROM " . $default->owl_folder_subscriptions_table . " " .
"WHERE folder_id = $iFolderID AND user_id = $iUserID");
if ($sql->next_record()) {
return true;
}
return false;
}
}
?>