tp_servicedesk/app/controllers/TicketController.php

<?php

class TicketController extends BaseController implements CRUD {

    use RequiresAuth, CheckCSRF;

    // list all tickts
    public function index($f3){

        $this->requireLogin();

        $filter = $f3->get('GET.status');

        // retrieve tickets
        $ticket_mapper = new Ticket($this->getDB());

        if($filter){
            $tickets = $ticket_mapper->findFiltered($filter);
        } else {
            $tickets = $ticket_mapper->findAll();
        }

        // render
        $this->renderView('views/ticket/index.html', 
            ['tickets' => $tickets]
        );

        $f3->clear('SESSION.error');
    }

    // view a single ticket
    // TODO_PROJECTS: show a link back to the related project
    public function view($f3){
        $this->requireLogin();

        $ticket_id = $f3->get('PARAMS.id');
        $ticket_mapper = new Ticket($this->getDB());
        $ticket = $ticket_mapper->findById($ticket_id);
        $assigned_user = $ticket->getAssignedUser();

        // render
        $this->renderView('views/ticket/view.html', [
            'ticket' => $ticket,
            'assigned_user' => $assigned_user,
            'attachments' => $ticket->attachments(),
            'comments' => $ticket->comments(),
            'parent_tickets' => $ticket->getParentTickets(),
            'child_tickets' => $ticket->getChildTickets(),
            'ticket_meta' => $ticket->getMetaAssoc()
        ]);

    }

    // show create form
    // TODO_PROJECTS: dropdown to associate ticket with project
    public function createForm($f3){
        $db = $this->getDB();
        $priorities = (new TicketPriority($db))->findAll();
        $statuses = (new TicketStatus($db))->findAll();

        // TODO: this needs moving into a model?
        $users = $this->getDB()->exec('SELECT id, username, display_name FROM users ORDER BY display_name ASC');
        $users = array_merge([['id'=>'-1', 'display_name'=>'--']], $users);

        $this->requireLogin();
        $this->renderView('views/ticket/create.html',[
            'priorities' => $priorities,
            'statuses' => $statuses,
            'users' => $users
        ]);
    }

    // handle POST
    // including custom forms
    public function create($f3){
        
        $this->requireLogin();
        $this->checkCSRF($f3, '/ticket/create');

        $data = [
            'title' => $this->f3->get('POST.title'),
            'created_at' => $this->f3->get('POST.created_at'),
            'description' => $this->f3->get('POST.description'),
            'priority_id' => $this->f3->get('POST.priority_id'),
            'status_id' => $this->f3->get('POST.status_id'),
            'created_by' => $this->f3->get('SESSION.user.id')
        ];

        $ticket_mapper = new Ticket($this->getDB());
        $new_ticket_id = $ticket_mapper->createTicket($data);

        // custom field
        $meta_keys = $this->f3->get('POST.meta_key');
        $meta_values = $this->f3->get('POST.meta_value');
        $meta_assoc = $ticket_mapper->assocMetaFromKeyValue($meta_keys, $meta_values);
        $ticket_mapper->setCustomFields($meta_assoc);

        $this->f3->reroute('/ticket/' . $new_ticket_id);
    }

    // show edit form
    // including custom forms
    // TODO_PROJECTS: allow reasssigning or removing a project association
    public function editForm($f3)
    {
        $this->requireLogin();

        $ticket_id = $f3->get('PARAMS.id');
        $ticket_mapper = new Ticket($this->getDB());
        $ticket = $ticket_mapper->findById($ticket_id);

        if(!$ticket){
            $this->f3->set('SESSION.error', 'Ticket not found.');
            $this->f3->reroute('/tickets');
        }

        // 
        $f3->set('js', 'markdown_preview.js');

        // dropdowns
        $priorities = (new TicketPriority($this->getDB()))->findAll();
        $statuses = (new TicketStatus($this->getDB()))->findAll();
        // TODO: this needs moving into a model?
        $users = $this->getDB()->exec('SELECT id, username, display_name FROM users ORDER BY display_name ASC');
        $users = array_merge([['id'=>'-1', 'display_name'=>'--']], $users);

        $this->renderView('views/ticket/edit.html',[
            'ticket' => $ticket,
            'ticket_meta' => $ticket->getMeta(),
            'priorities' => $priorities,
            'statuses' => $statuses,
            'users' => $users
            ]
        );
        return;
    }

    // process edit POST TODO: if assigned or admin
    public function update($f3)
    {

        $this->requireLogin();
        $this->checkCSRF($f3, '/ticket/create');

        $ticket_id = $this->f3->get('PARAMS.id');
        $ticket_mapper = new Ticket($this->getDB());
        $ticket = $ticket_mapper->findById($ticket_id);

        if(!$ticket){
            $this->f3->set('SESSION.error', 'Ticket not found.');
            $this->f3->reroute('/tickets');
        }

        $data = [
            'title' => $this->f3->get('POST.title'),
            'created_at' => $this->f3->get('POST.created_at'),
            'description' => $this->f3->get('POST.description'),
            'priority_id' => $this->f3->get('POST.priority_id'),
            'status_id' => $this->f3->get('POST.status_id'),
            'updated_by' => $this->f3->get('SESSION.user.id') ,
            'assigned_to' => $this->f3->get('POST.assigned_to') ?: null
        ];
        $ticket->updateTicket($data);
        
        // deal with meta data / custom fields
        $meta_keys = $this->f3->get('POST.meta_key');
        $meta_values = $this->f3->get('POST.meta_value');
        $meta_assoc = $ticket->assocMetaFromKeyValue($meta_keys, $meta_values);
        $ticket->setCustomFields($meta_assoc);

        $f3->reroute('/ticket/' . $ticket_id);
    }

    // subtask
    public function addSubtask($f3){
        $this->requireLogin();
        $this->checkCSRF($f3, '/ticket/create');

        $parent_id = (int) $f3->get('PARAMS.id');
        $child_id = (int) $f3->get('POST.child_ticket_id');

        $ticket_mapper = new Ticket($this->getDB());
        $ticket = $ticket_mapper->findById($parent_id);

        if(!$ticket){
            $this->f3->set('SESSION.error', 'Parent Ticket not found');
            $this->f3->reroute('/tickets');
        }
        $ticket->addChildTicket($child_id);
        $this->f3->reroute('/ticket/' . $parent_id);
    }

    public function delete(): void
    {
        $this->requireLogin();

        $ticket_id = (int)$this->f3->get('PARAMS.id');
        $ticket_mapper = new Ticket($this->getDB());
        $ticket = $ticket_mapper->findById($ticket_id);

        if(!$ticket){
            $this->f3->set('SESSION.error', 'Ticket not found');
            $this->f3->reroute('/tickets');
        }

        $ticket->softDelete();
        $this->f3->reroute('/tickets');
    }

}