YetiForceCompany/YetiForceCRM

<?php

namespace App\Integrations;

/**
 * Pbx main class.
 *
 * @package Integration
 *
 * @copyright YetiForce S.A.
 * @license   YetiForce Public License 6.5 (licenses/LicenseEN.txt or yetiforce.com)
 * @author    Mariusz Krzaczkowski <m.krzaczkowski@yetiforce.com>
 */
class Pbx extends \App\Base
{
    /**
     * Connector Instances.
     *
     * @var \App\Integrations\className[]
     */
    private static $connectors = [];

    /**
     * Get pbx connectors.
     *
     * @return \App\Integrations\className
     */
    public static function getConnectors()
    {
        $connectors = [];
        foreach ((new \DirectoryIterator(__DIR__ . \DIRECTORY_SEPARATOR . 'Pbx')) as $fileInfo) {
            $fileName = $fileInfo->getBasename('.php');
            if ('dir' !== $fileInfo->getType() && 'Base' !== $fileName && 'php' === $fileInfo->getExtension()) {
                $className = '\App\Integrations\Pbx\\' . $fileName;
                if (!class_exists($className)) {
                    \App\Log::warning('Not found Pbx class');
                    continue;
                }
                $instance = new $className();
                $connectors[$fileName] = $instance;
            }
        }
        return $connectors;
    }

    /**
     * Whether a call is active with the PBX integration.
     *
     * @return bool
     */
    public static function isActive()
    {
        $phone = \App\User::getCurrentUserModel()->getDetail('phone_crm_extension');
        if (empty($phone)) {
            return false;
        }
        return (new \App\Db\Query())->from('s_#__pbx')->where(['default' => 1])->exists();
    }

    /**
     * Get default pbx instance.
     *
     * @return \self
     */
    public static function getDefaultInstance()
    {
        $data = (new \App\Db\Query())->from('s_#__pbx')->where(['default' => 1])->one();
        $instance = new self();
        $instance->setData($data);

        return $instance;
    }

    /**
     * Load user phone.
     */
    public function loadUserPhone()
    {
        $this->set('sourcePhone', \App\User::getCurrentUserModel()->getDetail('phone_crm_extension_extra'));
    }

    /**
     * Perform phone call.
     *
     * @param string $targetPhone
     *
     * @throws \Exception
     */
    public function performCall($targetPhone)
    {
        if ($this->isEmpty('sourcePhone')) {
            throw new \App\Exceptions\AppException('No user phone number');
        }
        if (empty($targetPhone)) {
            throw new \App\Exceptions\AppException('No target phone number');
        }
        $this->set('targetPhone', $targetPhone);
        $connector = static::getConnectorInstance($this->get('type'));
        if (empty($connector)) {
            throw new \App\Exceptions\AppException('No PBX connector found');
        }
        $connector->performCall($this);
    }

    /**
     * Get connector instance.
     *
     * @param string $name
     *
     * @return \App\Integrations\className|bool
     */
    public static function getConnectorInstance($name)
    {
        $className = '\App\Integrations\Pbx\\' . $name;
        if (isset(static::$connectors[$className])) {
            return static::$connectors[$className];
        }
        if (!class_exists($className)) {
            \App\Log::warning('Not found Pbx class');
        } else {
            return static::$connectors[$className] = new $className();
        }
        return false;
    }

    /**
     * Function to get the confog param for a given key.
     *
     * @param string $key
     *
     * @return mixed Value for the given key
     */
    public function getConfig($key)
    {
        if ($this->isEmpty('paramArray')) {
            $this->set('paramArray', \App\Json::decode($this->get('param')));
        }
        $param = $this->get('paramArray');

        return $param[$key] ?? null;
    }
}