180 lines
6.6 KiB
PHP
180 lines
6.6 KiB
PHP
<?php
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/**
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* 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.
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* 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.
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* @author Daan Janssens, mentored by Matthew Lagoe
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*/
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class Assigned{
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private $user; /**< The id of the user being assigned */
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private $ticket; /**< The id of the ticket being assigned */
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////////////////////////////////////////////Functions////////////////////////////////////////////////////
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/**
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* Assigns a ticket to a user or returns an error message.
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* It will first check if the ticket isn't already assigned, if not, it will create a new 'assigned' entry.
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* @param $user_id the id of the user we want to assign to the ticket
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* @param $ticket_id the id of the ticket.
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* @return A string, if assigning succeedded "SUCCESS_ASSIGNED" will be returned, else "ALREADY_ASSIGNED" will be returned.
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*/
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public static function assignTicket( $user_id, $ticket_id) {
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$dbl = new DBLayer("lib");
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//check if ticket is already assigned, if so return "ALREADY ASSIGNED"
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if(! Assigned::isAssigned($ticket_id)){
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$assignation = new Assigned();
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$assignation->set(array('User' => $user_id, 'Ticket' => $ticket_id));
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$assignation->create();
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return "SUCCESS_ASSIGNED";
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}else{
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return "ALREADY_ASSIGNED";
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}
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}
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/**
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* Unassign a ticket being coupled to a user or return an error message.
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* It will first check if the ticket is assigned, if this is indeed the case it will delete the 'assigned' entry.
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* @param $user_id the id of the user we want to unassign from the ticket
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* @param $ticket_id the id of the ticket.
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* @return A string, if unassigning succeedded "SUCCESS_UNASSIGNED" will be returned, else "NOT_ASSIGNED" will be returned.
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*/
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public static function unAssignTicket( $user_id, $ticket_id) {
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$dbl = new DBLayer("lib");
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//check if ticket is really assigned to that user
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if( Assigned::isAssigned($ticket_id, $user_id)){
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$assignation = new Assigned();
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$assignation->set(array('User' => $user_id, 'Ticket' => $ticket_id));
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$assignation->delete();
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return "SUCCESS_UNASSIGNED";
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}else{
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return "NOT_ASSIGNED";
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}
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}
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/**
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* Get the (external) id of the user assigned to a ticket
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* @param $ticket_id the Id of the ticket that's being queried
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* @return The (external)id of the user being assigned to the ticket
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*/
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public static function getUserAssignedToTicket($ticket_id) {
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$dbl = new DBLayer("lib");
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$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' => $ticket_id));
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$user_id = $statement->fetch();
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return $user_id['ExternId'];
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}
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/**
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* 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)
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* @param $ticket_id the Id of the ticket that's being queried
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* @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.
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* @return true in case it's assigned, false in case it isn't.
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*/
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public static function isAssigned( $ticket_id, $user_id = 0) {
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$dbl = new DBLayer("lib");
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//check if ticket is already assigned
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if($user_id == 0 && $dbl->select("`assigned`", array('ticket_id' => $ticket_id), "`Ticket` = :ticket_id")->rowCount() ){
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return true;
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}else if( $dbl->select("`assigned`", array('ticket_id' => $ticket_id, 'user_id' => $user_id), "`Ticket` = :ticket_id and `User` = :user_id")->rowCount() ){
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return true;
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}else{
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return false;
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}
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}
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////////////////////////////////////////////Methods////////////////////////////////////////////////////
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/**
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* A constructor.
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* Empty constructor
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*/
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public function __construct() {
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}
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/**
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* sets the object's attributes.
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* @param $values should be an array of the form array('User' => user_id, 'Ticket' => ticket_id).
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*/
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public function set($values) {
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$this->setUser($values['User']);
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$this->setTicket($values['Ticket']);
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}
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/**
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* creates a new 'assigned' entry.
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* this method will use the object's attributes for creating a new 'assigned' entry in the database.
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*/
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public function create() {
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$dbl = new DBLayer("lib");
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$dbl->insert("`assigned`", Array('User' => $this->getUser(), 'Ticket' => $this->getTicket());
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}
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/**
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* deletes an existing 'assigned' entry.
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* this method will use the object's attributes for deleting an existing 'assigned' entry in the database.
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*/
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public function delete() {
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$dbl = new DBLayer("lib");
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$dbl->delete("`assigned`", array('user_id' => $this->getUser() ,'ticket_id' => $this->getTicket(), "`User` = :user_id and `Ticket` = :ticket_id");
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}
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/**
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* loads the object's attributes.
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* loads the object's attributes by giving a ticket_id, it will put the matching user_id and the ticket_id into the attributes.
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* @param $ticket_id the id of the ticket that should be loaded
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*/
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public function load($ticket_id) {
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$dbl = new DBLayer("lib");
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$statement = $dbl->select("`assigned`", Array('ticket_id' => $ticket_id), "`Ticket` = :ticket_id");
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$row = $statement->fetch();
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$this->set($row);
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}
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////////////////////////////////////////////Getters////////////////////////////////////////////////////
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/**
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* get user attribute of the object.
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*/
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public function getUser(){
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return $this->user;
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}
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/**
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* get ticket attribute of the object.
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*/
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public function getTicket(){
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return $this->ticket;
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}
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////////////////////////////////////////////Setters////////////////////////////////////////////////////
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/**
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* set user attribute of the object.
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* @param $u integer id of the user
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*/
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public function setUser($u){
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$this->user = $u;
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}
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/**
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* set ticket attribute of the object.
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* @param $t integer id of the ticket
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*/
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public function setTicket($t){
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$this->ticket = $t;
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}
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}
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