MikoPBX\Core\Asterisk\Configs\Generators\Extensions\IncomingContexts

Complexity

Total Complexity

60

Size/Duplication

Total Lines	295
Duplicated Lines	0 %

Importance

Changes	3
Bugs	0	Features	0

13 Methods

Rating	Name	Duplication	Size	Complexity
A	needAddLoginExtension()	0	21	5
B	generateRouteDialplan()	0	32	8
A	checkNeedDefRout()	0	13	6
A	getSettings()	0	10	2
A	trimDialPlan()	0	7	3
B	multiplyExtensionsInDialplanStringLogin()	0	9	7
A	getRoutes()	0	15	3
A	createSummaryDialplanGoto()	0	18	4
A	makeDialplan()	0	8	2
B	createSummaryDialplan()	0	20	7
A	generate()	0	8	1
A	multiplyExtensionsInDialplan()	0	7	4
B	generateDialActions()	0	31	8

<?php


namespace MikoPBX\Core\Asterisk\Configs\Generators\Extensions;


use MikoPBX\Common\Models\IncomingRoutingTable;
use MikoPBX\Common\Providers\PBXConfModulesProvider;
use MikoPBX\Core\Asterisk\Configs\ConferenceConf;
use MikoPBX\Core\Asterisk\Configs\ExtensionsConf;
use MikoPBX\Modules\Config\ConfigClass;
use Phalcon\Di;

class IncomingContexts extends ConfigClass{


    public        $provider;
    public        $login;
    public string $uniqId;

    private array $dialplan = [];
    private array $rout_data_dial = [];
    private array $additionalModules = [];
    private array $confExtensions = [];
    private array $routes = [];
    private string $lang;
    private bool $need_def_rout;

    /**
     * Генератор входящих контекстов.
     *
     * @param string | array $provider
     * @param string | array $login
     * @param string         $uniqId
     *
     * @return string
     */
    public static function generate($provider, $login = '', $uniqId = ''): string
    {
        $generator = new self();
        $generator->provider = $provider;
        $generator->login    = $login;
        $generator->uniqId   = $uniqId;
        $generator->getSettings();
        return $generator->makeDialplan();
    }

    public function getSettings(): void
    {
        $di = Di::getDefault();
        if ($di !== null) {
            $this->additionalModules = $di->getShared(PBXConfModulesProvider::SERVICE_NAME);
        }
        $this->confExtensions   = ConferenceConf::getConferenceExtensions();
        $this->routes           = $this->getRoutes();
        $this->lang             = str_replace('_', '-', $this->generalSettings['PBXLanguage']);
        $this->need_def_rout    = $this->checkNeedDefRout();

    }

    public function makeDialplan():string{
        foreach ($this->routes as $rout) {
            $this->generateRouteDialplan($rout);
            $this->generateDialActions($rout);
        }
        $this->multiplyExtensionsInDialplan();
        $this->trimDialPlan();
        return $this->createSummaryDialplan();
    }

    /**
     * Генерация Первой части (заголовка) входящего контекста.
     * @param array $rout
     */
    private function generateRouteDialplan(array $rout): void{
        $number      = trim($rout['number']);
        $rout_number = ($number === '') ? 'X!' : $number;
        $rout_data   = &$this->dialplan[$rout_number];
        if (!empty($rout_data)) {
            return;
        }
        $number      = trim($rout['number']);
        $rout_number = ($number === '') ? 'X!' : $number;

        $ext_prefix = ('none' === $this->provider) ? '' : '_';
        $rout_data .= "exten => {$ext_prefix}{$rout_number},1,NoOp(--- Incoming call ---)\n\t";
        $rout_data .= 'same => n,Set(CHANNEL(language)=' . $this->lang . ')' . "\n\t";
        $rout_data .= 'same => n,Set(CHANNEL(hangup_handler_wipe)=hangup_handler,s,1)' . "\n\t";
        $rout_data .= 'same => n,Set(__FROM_DID=${EXTEN})' . "\n\t";
        $rout_data .= 'same => n,Set(__FROM_CHAN=${CHANNEL})' . "\n\t";
        // Установка имени пира.
        $rout_data .= 'same => n,ExecIf($["${CHANNEL(channeltype)}" != "Local"]?Gosub(set_from_peer,s,1))' . "\n\t";
        $rout_data .= 'same => n,ExecIf($["${CHANNEL(channeltype)}" == "Local"]?Set(__FROM_PEER=${CALLERID(num)}))' . "\n\t";
        $rout_data .= 'same => n,Gosub(add-trim-prefix-clid,${EXTEN},1)' . "\n\t";

        foreach ($this->additionalModules as $appClass) {
            $addition = $appClass->generateIncomingRoutBeforeDial($rout_number);
            if (!empty($addition)) {
                $rout_data .= $appClass->confBlockWithComments($addition);
            }
        }
        // Описываем возможность прыжка в пользовательский sub контекст.
        $rout_data .= " \n\t" . 'same => n,GosubIf($["${DIALPLAN_EXISTS(${CONTEXT}-custom,${EXTEN},1)}" == "1"]?${CONTEXT}-custom,${EXTEN},1)';

        if (!empty($rout['extension'])) {
            $rout_data = rtrim($rout_data);
        }
    }

    /**
     * Формирует в Dialplan команды-действия goto dial.
     * @param        $rout
     * @return void
     */
    private function generateDialActions($rout): void{
        if (empty($rout['extension'])) {
            return;
        }
        $timeout     = trim($rout['timeout']);
        $number      = trim($rout['number']);
        $rout_number = ($number === '') ? 'X!' : $number;
        // Обязательно проверяем "DIALSTATUS", в случае с парковой через AMI вызова это необходимо.
        // При ответе может отработать следующий приоритет.
        if (!isset($this->rout_data_dial[$rout_number])) {
            $this->rout_data_dial[$rout_number] = '';
        }
        if (in_array($rout['extension'], $this->confExtensions, true)) {
            // Это конференция. Тут не требуется обработка таймаута ответа.
            // Вызов будет отвечен сразу конференцией.
            $dial_command = " \n\t" . 'same => n,' . 'ExecIf($["${M_DIALSTATUS}" != "ANSWER"]?' . "Goto(internal,{$rout['extension']},1));";
            $this->rout_data_dial[$rout_number] .= "";
        } else {
            $dial_command = " \n\t" . 'same => n,' . 'ExecIf($["${M_DIALSTATUS}" != "ANSWER"]?' . "Dial(Local/{$rout['extension']}@internal-incoming/n,{$timeout},TKg));";
            $this->rout_data_dial[$rout_number] .= " \n\t" . "same => n,Set(M_TIMEOUT={$timeout})";
        }
        $this->rout_data_dial[$rout_number] .= $dial_command;
        if (!is_array($this->provider)) {
            return;
        }
        $key = $this->provider[$rout['provider']] ?? '';
        if (!isset($this->rout_data_dial[$key])) {
            $this->rout_data_dial[$key] = '';
        }
        if (empty($number)) {
            $this->rout_data_dial[$key] .= $this->rout_data_dial[$rout_number];
        }
    }

    /**
     * Отрезает пробелы справа для dialplan.
     */
    private function trimDialPlan():void{
        foreach ($this->dialplan as $key => &$dialplan) {
            if (!array_key_exists($key, $this->rout_data_dial)) {
                continue;
            }
            $dialplan = rtrim($dialplan);
            $dialplan .= $this->rout_data_dial[$key];
        }
    }

    /**
     * Формирование итогового dialplan.
     * @return string
     */
    private function createSummaryDialplan(): string{
        /** @var IncomingRoutingTable $default_action */
        $default_action = IncomingRoutingTable::findFirst('priority = 9999');

        $uniqId = is_string($this->provider) ? $this->provider : $this->uniqId;
        $conf = "\n" . "[{$uniqId}-incoming]\n";
        foreach ($this->dialplan as $dpln) {
            $conf .= $dpln . "\n";
            if (null === $default_action && 'none' !== $this->provider) {
                continue;
            }
            if ('extension' === $default_action->action) {
                $conf = $this->createSummaryDialplanGoto($conf, $default_action, $uniqId);
                $conf .= " \t" . 'same => n,GosubIf($["${DIALPLAN_EXISTS(${CONTEXT}-after-dial-custom,${EXTEN},1)}" == "1"]?${CONTEXT}-after-dial-custom,${EXTEN},1)' . "\n";
            } elseif ('busy' === $default_action->action) {
                $conf .= "\t" . "same => n,Busy()" . "\n";
            }
            $conf .= "\t" . "same => n,Hangup()" . "\n";
        }
        return $conf;
    }

    /**
     * Формирование Goto действия для итогового dialplan.
     * @param string               $conf
     * @param IncomingRoutingTable $default_action
     * @param string               $uniqId
     * @return string
     */
    private function createSummaryDialplanGoto(string $conf, IncomingRoutingTable $default_action, string $uniqId): string{
        // Обязательно проверяем "DIALSTATUS", в случае с парковой через AMI вызова это необходимо.
        // При ответе может отработать следующий приоритет.
        $conf .= "\t" . 'same => n,Set(M_TIMEOUT=0)' . "\n";
        if (in_array($default_action->extension, $this->confExtensions, true)) {
            // Это конференция. Тут не требуется обработка таймаута ответа.
            // Вызов будет отвечен сразу конференцией.
            $conf .= "\t" . "same => n," . 'ExecIf($["${M_DIALSTATUS}" != "ANSWER"]?' . "Goto(internal,{$default_action->extension},1)); default action" . "\n";
        } else {
            $conf .= "\t" . "same => n," . 'ExecIf($["${M_DIALSTATUS}" != "ANSWER"]?' . "Dial(Local/{$default_action->extension}@internal/n,,TKg)); default action" . "\n";
        }
        foreach ($this->additionalModules as $appClass) {
            $addition = $appClass->generateIncomingRoutAfterDialContext($uniqId);
            if (!empty($addition)) {
                $conf .= $appClass->confBlockWithComments($addition);
            }
        }
        return $conf;
    }

    /**
     * Возвращает массив входящих маршрутов для провайдера.
     * @return array|string[]
     */
    private function getRoutes(): array{
        if ('none' === $this->provider) {
            // Звонки по sip uri.
            $filter = ['provider IS NULL AND priority<>9999', 'order' => 'provider,priority,extension',];
        } elseif (is_array($this->provider)) {
            $filter = ['provider IN ({provider:array})', 'bind' => ['provider' => array_keys($this->provider),], 'order' => 'provider,priority,extension',];
        } else {
            // Звонки через провайдера.
            $filter = ["provider = '$this->provider'", 'order' => 'provider,priority,extension',];
        }

        $m_data = IncomingRoutingTable::find($filter);
        $data   = $m_data->toArray();
        uasort($data, ExtensionsConf::class . '::sortArrayByPriority');
        return $data;
    }

    /**
     * Проверка нужен ли дефолтный маршрут для провайдера.
     * @return bool
     */
    private function checkNeedDefRout(): bool{
        $need_def_rout = true;
        foreach ($this->routes as $rout) {
            $number = trim($rout['number']);
            if ($number === 'X!' || $number === '') {
                $need_def_rout = false;
                break;
            }
        }
        if ($need_def_rout === true && 'none' !== $this->provider) {
            $this->routes[] = ['number' => '', 'extension' => '', 'timeout' => ''];
        }
        return $need_def_rout;
    }

    /**
     * Добавление дополнительных exten в Dialplan
     */
    private function multiplyExtensionsInDialplan(): void{
        if (is_string($this->login)) {
            $this->multiplyExtensionsInDialplanStringLogin();
        }
        if (is_array($this->provider)) {
            foreach (array_values($this->provider) as $_login) {
                $this->dialplan[$_login] = str_replace('_X!,1', "{$_login},1", $this->dialplan['X!']);
            }
        }
    }

    /**
     * Добавляет extensions для dialplan.
     */
    private function multiplyExtensionsInDialplanStringLogin(): void
    {
        $add_login_pattern = $this->needAddLoginExtension();
        if ($add_login_pattern && array_key_exists('X!', $this->rout_data_dial) && isset($this->dialplan['X!'])) {
            $this->dialplan[$this->login] = str_replace('_X!,1', "{$this->login},1", $this->dialplan['X!']);
            $this->rout_data_dial[$this->login] = $this->rout_data_dial['X!'];
        } elseif ($add_login_pattern === true && $this->need_def_rout === true && count($this->routes) === 1) {
            // Только маршрут "По умолчанию".
            $this->dialplan[$this->login] = str_replace('_X!,1', "{$this->login},1", $this->dialplan['X!']);
        }
    }

    /**
     * Если логин не числовой, то нужно добавить такой Exten.
     * @return bool
     */
    private function needAddLoginExtension(): bool{
        $add_login_pattern = !empty($this->login);
        foreach ($this->routes as $rout) {
            if (!$add_login_pattern) {
                break;
            } // Логин не заполнен, обработка не требуется.
            $is_num = preg_match_all('/^\d+$/m', $this->login, $matches, PREG_SET_ORDER);
            if ($is_num === 1) {
                // Это числовой номер, потому, не требуется дополнительно описывать exten.
                $add_login_pattern = false;
                break;
            }
            if (trim($rout['number']) !== $this->login) {
                // Совпадение exten не найдено. Идем дальше.
                continue;
            }
            // Совпадение найдено, не требуется дополнительно описывать exten.
            $add_login_pattern = false;
            break;
        }
        return $add_login_pattern;
    }

}