Merge branch 'feat/816-notification-cli' into 'master'

<?php

namespace Minds\Controllers\Cli;

use Minds\Cli;

use Minds\Core\Events\Dispatcher;

use Minds\Interfaces;

class Notification extends Cli\Controller implements Interfaces\CliControllerInterface

{

    public function help($command = null)

    {

        switch ($command) {

            case 'send':

                $this->out('Send a notification');

                $this->out('--namespace=<type> Notification namespace');

                $this->out('--to=<user guid> User to send notification to');

                $this->out('--from=<entity guid> Entity notification is from (defaults to system user)');

                $this->out('--view=<view> Notification view');

                $this->out('--params=<params> JSON payload data');

            // no break

            default:

                $this->out('Syntax usage: cli notification <cmd>');

                $this->displayCommandHelp();

        }

    }

    public function exec()

    {

        $this->help();

    }

    public function send()

    {

        $namespace = $this->getOpt('namespace');

        $to = $this->getOpt('to');

        $from = $this->getOpt('from') ?? \Minds\Core\Notification\Notification::SYSTEM_ENTITY;

        $view = $this->getOpt('view');

        $params = $this->getOpt('params') ?? '{}';

        if (is_null($namespace)) {

            $this->out('namespace must be set');

            return;

        }

        if (is_null($to)) {

            $this->out('to must be set');

            return;

        }

        if (is_null($view)) {

            $this->out('view must be set');

            return;

        }

        $paramsDecoded = json_decode($params, true);

        if (is_null($paramsDecoded)) {

            $this->out('Params is not valid JSON');

            return;

        }

        $eventParams = [

            'to' => [$to],

            'from' => $from,

            'notification_view' => $view,

            'params' => $paramsDecoded

        ];

        $sent = Dispatcher::trigger('notification', $namespace, $eventParams);

        if ($sent) {

            $this->out('Notification sent');

        } else {

            $this->out('Error sending notification - is from guid valid?');

        }

    }

}