Subscription.inc
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<?php
/**
* @package lib.web
*
* Class Subscription
* Represents a subscription as per the subscriptions database table
*
* @author Rob Cherry, Jam Warehouse (Pty) Ltd, South Africa
* @date 20 January 2003
*/
class Subscription {
var $iId;
var $iUserID;
var $iDocumentID;
function Subscription($iNewUserID, $iNewDocumentID) {
$this->iId = -1;
$this->iUserID = $iNewUserID;
$this->iDocumentID = $iNewDocumentID;
}
function getID() {
return $this->iID;
}
function getUserID() {
return $this->iUserID;
}
function setUserID($iNewValue) {
$this->iNewValue = $iNewValue;
}
function getDocumentID() {
return $this->iDocumentID;
}
function setDocumentID($iNewValue) {
$this->iDocumentID = $iNewValue;
}
/**
* Create the current object in the database
*
* @return boolean on successful store, false otherwise and set $_SESSION["errorMessage"]
*
*/
function create() {
global $default, $lang_err_database, $lang_err_object_exists;
//if the object hasn't been created
if ($this->iId < 0) {
$sql = new Owl_DB();
$result = $sql->query("INSERT INTO " . $default->owl_subscriptions_table . " (user_id, document_id) VALUES ($this->iUserID, $this->iDocumentID)");
if ($result) {
$this->iId = $sql->insert_id();
return true;
}
$_SESSION["errorMessage"] = $lang_err_database;
return false;
}
$_SESSION["errorMessage"] = $lang_err_object_exists . "id = " . $this->iId . " table = document_fields";
return false;
}
/**
* Update the values in the database table with the object's current values
*
* @return boolean true on successful update, false otherwise and set $_SESSION["errorMessage"]
*
*/
function update() {
global $default, $lang_err_database, $lang_err_object_key;
//only update if the object has been stored
if ($this->iId > 0) {
$sql = new Owl_DB();
$result = $sql->query("UPDATE " . $default->owl_subscriptions_table . " SET user_id = $this->iUserID, document_id = $this->iDocumentID WHERE id = $this->iId");
if ($result) {
return true;
}
$_SESSION["errorMessage"] = $lang_err_database;
return false;
}
$_SESSION["errorMessage"] = $lang_err_object_key;
return false;
}
/**
* Delete the current object from the database
*
* @return boolean true on successful deletion, false otherwise and set $_SESSION["errorMessage"]
*
*/
function delete() {
global $default, $lang_err_database, $lang_err_object_key;
//only delete the object if it exists in the database
if ($this->iId >= 0) {
$sql = new Owl_DB();
$result = $sql->query("DELETE FROM $default->owl_subscriptions_table WHERE id = $this->iId");
if ($result) {
return true;
}
$_SESSION["errorMessage"] = $lang_err_database;
return false;
}
$_SESSION["errorMessage"] = $lang_err_object_key;
return false;
}
/**
* Static function.
* Given a subscriptions primary key it will create a
* Subscription object and populate it with the
* corresponding database values
*
* @return Subscription populated Subscription object on successful query, false otherwise and set $_SESSION["errorMessage"]
*/
function & get($iSubscriptionID) {
global $default;
$sql = new Owl_DB();
$result = $sql->query("SELECT * FROM $default->owl_subscriptions_table WHERE id = $iSubscriptionID");
if ($result) {
if ($sql->next_record()) {
$oSubscription = & new Subscription($sql->f("user_id"), $sql->f("document_id"));
$oSubscription->iId = $iSubscriptionID;
return $oSubscription;
}
$_SESSION["errorMessage"] = $lang_err_object_not_exist . "id = " . $iWebDocumentsID . " table = $default->owl_subscriptions_table";
return false;
}
$_SESSION["errorMessage"] = $lang_err_database;
return false;
}
/**
* Static function
* Get a list of subscriptions
*
* @param String Where clause (not required)
*
* @return Array array of Subscription objects, false otherwise and set $_SESSION["errorMessage"]
*/
function getList($sWhereClause = null) {
global $default, $lang_err_database;
$aSubscriptionArray;
settype($aSubscriptionArray, "array");
$sql = new Owl_DB();
$result = $sql->query("SELECT * FROM " . $default->owl_subscriptions_table . (isset($sWhereClause) ? " " . $sWhereClause : ""));
if ($result) {
$iCount = 0;
while ($sql->next_record()) {
$oSubscription = & Subscription::get($sql->f("id"));
$aSubscriptionArray[$iCount] = $oSubscription;
$iCount++;
}
return $aSubscriptionArray;
}
$_SESSION["errorMessage"] = $lang_err_database;
return false;
}
}
?>