khanat-opennel-code/code/web/private_php/ams/autoload/assigned.php

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2016-01-24 16:08:32 +00:00
<?php
/**
* Handles the assigning of a ticket to a user. This is being used to make someone responsible for the handling and solving of a ticket.
* The idea is that someone can easily assign a ticket to himself and by doing that, he makes aware to the other moderators that he will deal with the ticket in the future.
* @author Daan Janssens, mentored by Matthew Lagoe
*/
class Assigned{
private $user; /**< The id of the user being assigned */
private $ticket; /**< The id of the ticket being assigned */
////////////////////////////////////////////Functions////////////////////////////////////////////////////
/**
* Assigns a ticket to a user or returns an error message.
* It will first check if the ticket isn't already assigned, if not, it will create a new 'assigned' entry.
* @param $user_id the id of the user we want to assign to the ticket
* @param $ticket_id the id of the ticket.
* @return A string, if assigning succeedded "SUCCESS_ASSIGNED" will be returned, else "ALREADY_ASSIGNED" will be returned.
*/
public static function assignTicket( $user_id, $ticket_id) {
$dbl = new DBLayer("lib");
//check if ticket is already assigned, if so return "ALREADY ASSIGNED"
if(! Assigned::isAssigned($ticket_id)){
$assignation = new Assigned();
$assignation->set(array('User' => $user_id, 'Ticket' => $ticket_id));
$assignation->create();
return "SUCCESS_ASSIGNED";
}else{
return "ALREADY_ASSIGNED";
}
}
/**
* Unassign a ticket being coupled to a user or return an error message.
* It will first check if the ticket is assigned, if this is indeed the case it will delete the 'assigned' entry.
* @param $user_id the id of the user we want to unassign from the ticket
* @param $ticket_id the id of the ticket.
* @return A string, if unassigning succeedded "SUCCESS_UNASSIGNED" will be returned, else "NOT_ASSIGNED" will be returned.
*/
public static function unAssignTicket( $user_id, $ticket_id) {
$dbl = new DBLayer("lib");
//check if ticket is really assigned to that user
if( Assigned::isAssigned($ticket_id, $user_id)){
$assignation = new Assigned();
$assignation->set(array('User' => $user_id, 'Ticket' => $ticket_id));
$assignation->delete();
return "SUCCESS_UNASSIGNED";
}else{
return "NOT_ASSIGNED";
}
}
/**
* Get the (external) id of the user assigned to a ticket
* @param $ticket_id the Id of the ticket that's being queried
* @return The (external)id of the user being assigned to the ticket
*/
public static function getUserAssignedToTicket($ticket_id) {
$dbl = new DBLayer("lib");
$statement = $dbl->execute("SELECT ticket_user.ExternId FROM `assigned` JOIN `ticket_user` ON assigned.User = ticket_user.TUserId WHERE `Ticket` = :ticket_id", Array('ticket_id' => $ticket_id));
$user_id = $statement->fetch();
return $user_id['ExternId'];
}
/**
* Check if a ticket is already assigned (in case the user_id param is used, it will check if it's assigned to that user)
* @param $ticket_id the Id of the ticket that's being queried
* @param $user_id the id of the user, default parameter = 0, by using a user_id, it will check if that user is assigned to the ticket.
* @return true in case it's assigned, false in case it isn't.
*/
public static function isAssigned( $ticket_id, $user_id = 0) {
$dbl = new DBLayer("lib");
//check if ticket is already assigned
if($user_id == 0 && $dbl->select("`assigned`", array('ticket_id' => $ticket_id), "`Ticket` = :ticket_id")->rowCount() ){
return true;
}else if( $dbl->select("`assigned`", array('ticket_id' => $ticket_id, 'user_id' => $user_id), "`Ticket` = :ticket_id and `User` = :user_id")->rowCount() ){
return true;
}else{
return false;
}
}
////////////////////////////////////////////Methods////////////////////////////////////////////////////
/**
* A constructor.
* Empty constructor
*/
public function __construct() {
}
/**
* sets the object's attributes.
* @param $values should be an array of the form array('User' => user_id, 'Ticket' => ticket_id).
*/
public function set($values) {
$this->setUser($values['User']);
$this->setTicket($values['Ticket']);
}
/**
* creates a new 'assigned' entry.
* this method will use the object's attributes for creating a new 'assigned' entry in the database.
*/
public function create() {
$dbl = new DBLayer("lib");
$dbl->insert("`assigned`", Array('User' => $this->getUser(), 'Ticket' => $this->getTicket()));
}
/**
* deletes an existing 'assigned' entry.
* this method will use the object's attributes for deleting an existing 'assigned' entry in the database.
*/
public function delete() {
$dbl = new DBLayer("lib");
$dbl->delete("`assigned`", array('user_id' => $this->getUser() ,'ticket_id' => $this->getTicket()), "`User` = :user_id and `Ticket` = :ticket_id");
}
/**
* loads the object's attributes.
* loads the object's attributes by giving a ticket_id, it will put the matching user_id and the ticket_id into the attributes.
* @param $ticket_id the id of the ticket that should be loaded
*/
public function load($ticket_id) {
$dbl = new DBLayer("lib");
$statement = $dbl->select("`assigned`", Array('ticket_id' => $ticket_id), "`Ticket` = :ticket_id");
$row = $statement->fetch();
$this->set($row);
}
////////////////////////////////////////////Getters////////////////////////////////////////////////////
/**
* get user attribute of the object.
*/
public function getUser(){
return $this->user;
}
/**
* get ticket attribute of the object.
*/
public function getTicket(){
return $this->ticket;
}
////////////////////////////////////////////Setters////////////////////////////////////////////////////
/**
* set user attribute of the object.
* @param $u integer id of the user
*/
public function setUser($u){
$this->user = $u;
}
/**
* set ticket attribute of the object.
* @param $t integer id of the ticket
*/
public function setTicket($t){
$this->ticket = $t;
}
}