/**
* Get and render the tweets.
*
* If quantity not specified, fetch from env.
*
* @param null|int $quantity
*/
public function get($quantity = null)
{
if (is_null($quantity)) {
$quantity = $this->env('feeds_quantity');
}
$this->view->toJson($this->tweet->getFeeds($quantity));
}
public static function generateTestTweet($username, $id)
{
$model = new Tweet();
$model->key = $id;
$model->owner = $username;
$model->text = "message #{$id}";
$month = rand(1, 12);
$day = rand(1, 28);
$year = 2015;
$date = new \DateTime("{$year}-{$month}-{$day}");
$model->timestamp = $date->getTimestamp();
$model->save(false);
}
/**
* Method to create Tweet model from Json array
*/
static function loadFromJSON($obj)
{
if (!isset($obj['geo']) || !isset($obj['geo']['coordinates'])) {
return null;
}
$tweet = new Tweet();
$tweet->setAttributes(['id' => $obj['id'], 'text' => $obj['text'], 'latitude' => $obj['geo']['coordinates'][0], 'longitude' => $obj['geo']['coordinates'][1], 'profile_image_url' => $obj['user']['profile_image_url'], 'user_name' => $obj['user']['name'], 'screen_name' => $obj['user']['screen_name']]);
if ($tweet->validate() && $tweet->save()) {
return $tweet;
} else {
return null;
}
}
public function actionTest()
{
$list = Tweet::find()->all();
foreach ($list as $twit) {
$twit->saveIndex();
}
}
/**
* @param Tweet $tweet
* @param array $tweetHashtags
*
* @throws Exception
*/
private function importHashtags(Tweet $tweet, array $tweetHashtags)
{
foreach ($tweetHashtags as $tweetHashtag) {
$hashtagFromDb = Hashtag::findOne($tweetHashtag);
if (empty($hashtagFromDb)) {
$hashtag = Hashtag::createInstanceFromParam($tweetHashtag);
if (!$hashtag->save()) {
throw new Exception('Ошибка записи в базу данных: Таблица hashtag');
}
$tweet->link('hashtagTexts', $hashtag);
} else {
/**
* @var Hashtag $hashtagFromDb
*/
$tweet->link('hashtagTexts', $hashtagFromDb);
}
}
}
public function actionGenerateTestData($numUsers, $maxNumTweets)
{
$i = 0;
$identifier = rand(0, 1000);
while ($i < $numUsers) {
User::generateTestUser("User" . $i . $identifier);
$numTweets = rand(2, $maxNumTweets);
$k = 0;
while ($k < $numTweets) {
Tweet::generateTestTweet("User" . $i . $identifier, $k);
$k++;
}
$i++;
}
return $this->render('index');
}
/**
* Updates all Entries of a Contest with votecount and avg rating
*
* @param \app\models\Contest $Contest Contest Object
*/
private function UpdateContestEntries($Contest)
{
$Entries = Entry::findAll(['contest_id' => $Contest->id]);
foreach ($Entries as $Entry) {
$avgQuery = new Query();
$avgQuery->from(Tweet::tableName())->where(['entry_id' => $Entry->id, 'needs_validation' => 0, 'old_vote' => 0]);
$avgRating = $avgQuery->average('rating');
$votestQuery = new Query();
$votestQuery->from(Tweet::tableName())->where(['entry_id' => $Entry->id, 'needs_validation' => 0, 'old_vote' => 0]);
$votes = $votestQuery->count();
$Entry->votes = $votes;
$Entry->avg_rating = round($avgRating, 2);
$Entry->save();
}
}
/**
* Finds the Tweet model based on its primary key value.
* If the model is not found, a 404 HTTP exception will be thrown.
* @param integer $id
* @return Tweet the loaded model
* @throws NotFoundHttpException if the model cannot be found
*/
protected function findModel($id)
{
if (($model = Tweet::findOne($id)) !== null) {
return $model;
} else {
throw new NotFoundHttpException('The requested page does not exist.');
}
}
/**
* @return \yii\db\ActiveQuery
*/
public function getTweets()
{
return $this->hasMany(Tweet::className(), ['contest_id' => 'id']);
}
function getNumTweetsForIntervalByUsername($username, $startMonth, $startYear, $endMonth, $endYear)
{
$startOfInterval = getStartOfMonth($startMonth, $startYear);
$endOfInterval = getEndOfMonth($endMonth, $endYear);
return Tweet::find()->where(['between', 'timestamp', $startOfInterval, $endOfInterval])->andWhere(['owner' => $username])->count();
}
/**
* @param $fromDateTime
* @param $toDateTime
*
* @return Tweet[]
*/
private function getTweets($fromDateTime, $toDateTime)
{
$tweets = Tweet::find()->byDate($fromDateTime, $toDateTime)->hashtagsViaJunctionTable()->all();
return $tweets;
}
/**
* Updates all Entry of the Tweet with votecount and avg rating
*
* @param \app\models\Tweet $Tweet Tweet Object
*/
private function UpdateEntry($Tweet)
{
$Entry = Entry::findOne($Tweet->entry_id);
$avgQuery = new Query();
$avgQuery->from(Tweet::tableName())->where(['entry_id' => $Entry->id, 'needs_validation' => 0, 'old_vote' => 0]);
$avgRating = $avgQuery->average('rating');
$votestQuery = new Query();
$votestQuery->from(Tweet::tableName())->where(['entry_id' => $Entry->id, 'needs_validation' => 0, 'old_vote' => 0]);
$votes = $votestQuery->count();
$Entry->votes = $votes;
$Entry->avg_rating = round($avgRating, 2);
$Entry->save();
}
/**
* @param int $count
*
* @return array
*/
public function findLastTweets($count)
{
$lastTweets = Tweet::find()->byLastOnes($count)->hashtagsViaJunctionTable()->all();
return $this->composeTweetsForJSON($lastTweets);
}
<?php
$ratings = Tweet::find()->select(['COUNT(*) AS rating_count', 'rating'])->where(['entry_id' => $model->id, 'needs_validation' => 0])->groupBy(['rating'])->asArray()->all();
$chart_labels = [];
$chart_values = [];
foreach ($ratings as $elem) {
$chart_labels[] = $elem['rating'];
$chart_values[] = $elem['rating_count'];
}
?>
<?php
echo ChartJs::widget(['type' => 'Bar', 'options' => ['height' => 250], 'clientOptions' => ['responsive' => true, 'maintainAspectRatio' => false], 'data' => ['labels' => $chart_labels, 'datasets' => [['label' => "My Second dataset", 'fillColor' => "rgba(151,187,205,0.5)", 'strokeColor' => "rgba(151,187,205,1)", 'pointColor' => "rgba(151,187,205,1)", 'pointStrokeColor' => "#fff", 'data' => $chart_values]]]]);
?>
</div>
</div>
</div>
<div class="row">
<div class="col-lg-12">
<h2><?php
echo Yii::t('app', 'Tweets');
?>
</h2>
<?php
Pjax::begin(['id' => 'tweet-grid']);
echo GridView::widget(['dataProvider' => new ActiveDataProvider(['query' => Tweet::find()->where(['entry_id' => $model->id, 'needs_validation' => 0, 'old_vote' => 0])]), 'columns' => [['attribute' => 'user.screen_name', 'value' => function ($data) {
return $data->user->screen_name;
}], 'rating', ['attribute' => 'text', 'contentOptions' => ['class' => 'hidden-xs'], 'headerOptions' => ['class' => 'hidden-xs']], ['label' => Yii::t('app', 'Tweeted at'), 'attribute' => 'created_at', 'format' => ['datetime', 'php:d.m.Y - H:i:s'], 'contentOptions' => ['class' => 'hidden-xs'], 'headerOptions' => ['class' => 'hidden-xs']]]]);
Pjax::end();
?>
</div>
</div>
