Poll.php

<?php

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

namespace lslsoft\poll;

use lslsoft\poll\models\Polls;
use lslsoft\poll\models\PollsResult;
use lslsoft\poll\models\PollsResultSearch;
use Yii;
use yii\base\Widget;

class Poll extends Widget {

	/**
	 * Model for poll results
	 * @var type 
	 */
	private $model;

	/**
	 * Define id_poll which poll will be questioned
	 * @var integer
	 */
	public $idPoll;

	/**
	 * Define how to show results: chart or table
	 * @var type string
	 */
	public $resultView;

	/**
	 * Contain poll for which voting will be organized
	 * @var type Polls
	 */
	private $pollsProvider;

	public function init() {
		parent::init();
	}

	/**
	 * Creates a new PollsResult model.
	 * If creation is successful, the browser will be redirected to the 'view' page.
	 * @return mixed
	 */
	private function createResult() {
		$modelsaved = false;
		$answers = $this->model->id_answer;
		foreach ( $answers as $id_answer ) {
			$modelMulti = new PollsResult();
			$modelMulti->id_user = $this->model->id_user;
			$modelMulti->id_poll = $this->model->id_poll;
			$modelMulti->num = $this->model->num;
			$modelMulti->create_at = $this->model->create_at;
			$modelMulti->ip = $this->model->ip;
			$modelMulti->host = $this->model->host;
			$modelMulti->id_answer = $id_answer;

			if ( !$modelMulti->save() ) {
				$modelsaved = false;
				print_r( $modelMulti->errors );
				return false;
			} else {

				$modelsaved = true;
			}
		}
		return $modelsaved;
	}

	/**
	 * set $model properties
	 * @param type $model
	 * @return type $model - PollsResult
	 */
	private function setModel() {
		$this->model->id_poll = $this->pollsProvider->id;
		$this->model->num = PollsResult::getMaxNum( $this->pollsProvider->id );
		if ( !isset( $this->model->num ) ) {
			$this->model->num = 1;
		} else {
			$this->model->num++;
		}
		$this->model->create_at = date( "Y-m-d H:i:s" );
		$this->model->ip = Yii::$app->request->getUserIP();
		$this->model->host = Yii::$app->request->getUserHost();
		if ( $this->pollsProvider->anonymous ) {
			$this->model->scenario = PollsResult::SCENARIO_ANONYMOUS;
			$this->model->id_user = 0;
		} else {
			if ( !Yii::$app->user->isGuest ) {
				$this->model->id_user = Yii::$app->user->getId();
			}
		}
	}

	/**
	 * Return poll for voting
	 * @return type Polls 
	 */
	public function getProvider() {
		if ( isset( $this->idPoll ) ) {
			return Polls::getIdPoll( $this->idPoll );
		} else {
			$pollVote = Polls::getPollToday();
			if ( isset( $pollVote ) ) {
				$this->idPoll = $pollVote->id;
			}
			return $pollVote;
		}
	}

	/**
	 * 
	 * @return type
	 */
	public function run() {
		// Register AssetBundle
// Register AssetBundle
      //  PollAsset::register($this->getView());

        $this->model = new PollsResult();
        $this->pollsProvider = $this->getProvider();//barbaric of course
        if (!isset($this->pollsProvider)) {
            return;
        }
        $modelsaved = false;
        if ($this->model->load(Yii::$app->request->post())) {
            $this->setModel();
            /**
             * @todo I need do something with guest user. now i have user with ID=0;
             */
            if (is_array($this->model->id_answer)) {
                $modelsaved = $this->createResult();
            } else {
                $modelsaved = $this->model->save();
            }
        }
        if (!$modelsaved) {
            return $this->render('@vendor/lslsoft/yii2-poll/views/create', [
                        'model' => $this->model,
                        'pollsProvider' => $this->pollsProvider,]);

        }

        if (!$this->pollsProvider->show_vote) {
            return; //if show result wasn't allowed nothing would happen
        }
        $searchModel = new PollsResultSearch();
        $dataProvider = $searchModel->search(['id_poll' => $this->idPoll]);
        if (!isset($this->resultView)) {
            return $this->render('@vendor/lslsoft/yii2-poll/views/chart', ['dataProvider' => $dataProvider,
                        'searchModel' => $searchModel,
                        'question' => $this->pollsProvider->question,
                        'sumRes' => $this->model->num]);

        }
        return $this->render('@vendor/lslsoft/yii2-poll/views/table', ['dataProvider' => $dataProvider,
                    'searchModel' => $searchModel,
                    'question' => $this->pollsProvider->question,
                    'sumRes' => $this->model->num]);

	}

}