public function actionAddfollower()
{
if (Yii::$app->request->isAjax) {
$return_message = -1;
$data = Yii::$app->request->post();
$followed_id = $data['followed_id'];
$follow_status = $data['follow_status'];
if ($follow_status == 'Follow') {
$follow = new FollowerUsertoUser();
$follow->followed_user_id = $followed_id;
$follow->follower_user_id = \Yii::$app->user->identity->getId();
if ($follow->save()) {
$return_message = 0;
}
} else {
$follow_record = FollowerUsertoUser::findOne(['followed_user_id' => $followed_id, 'follower_user_id' => \Yii::$app->user->identity->getId()]);
if ($follow_record->delete()) {
$return_message = 1;
}
}
return $return_message;
}
}
public function suggestionsForUsers()
{
$current_user = \Yii::$app->user->identity->getId();
$followees = FollowerUsertoUser::find()->where(['follower_user_id' => $current_user])->all();
if (empty($followees)) {
$users = User::find()->all();
$scoresOfEachUser = [];
$models = [];
foreach ($users as $user) {
$followRecords = FollowerUsertoUser::find()->where(['followed_user_id' => $user->id]);
$follows = $followRecords->count();
$contents = ContentRecord::find()->where(['uploadedBy' => $user->id])->all();
$contentsIds = ArrayHelper::getColumn($contents, 'id');
$likeRecords = LikeDislikeContent::find()->where(['content' => $contentsIds, 'likeOrDislike' => 1]);
$dislikeRecords = LikeDislikeContent::find()->where(['content' => $contentsIds, 'likeOrDislike' => 0]);
$score = 2 * $follows + $likeRecords->count() - 0.5 * $dislikeRecords->count();
$scoresOfEachUser[$user->id] = $score;
}
arsort($scoresOfEachUser);
foreach (array_keys($scoresOfEachUser) as $id) {
$user = User::findOne($id);
array_push($models, $user);
}
return $models;
} else {
$targetUsers = [];
foreach ($followees as $followee) {
$followersOfFollowee = FollowerUsertoUser::find()->where(['followed_user_id' => $followee->followed_user_id])->all();
foreach ($followersOfFollowee as $singleFollowerOfFollowee) {
$followeesOfFollowerOfFollowees = FollowerUsertoUser::find()->where(['follower_user_id' => $singleFollowerOfFollowee->follower_user_id])->all();
foreach ($followeesOfFollowerOfFollowees as $targetUser) {
array_push($targetUsers, $targetUser);
}
}
}
$followeesIds = ArrayHelper::getColumn($followees, 'followed_user_id');
$targetUsersIds = ArrayHelper::getColumn($targetUsers, 'followed_user_id');
$resultUsersIds = array_diff($targetUsersIds, $followeesIds);
$countOfUsers = array_count_values($resultUsersIds);
$scoresOfEachUser = [];
foreach (array_unique($resultUsersIds) as $userId) {
$followersOfUser = FollowerUsertoUser::find()->where(['followed_user_id' => $userId])->all();
$followeesOfUser = FollowerUsertoUser::find()->where(['follower_user_id' => $userId])->all();
$followeesIdsOfUser = ArrayHelper::getColumn($followeesOfUser, 'followed_user_id');
if (count($followeesOfUser) == 0) {
$firstWeight = count($followersOfUser);
} else {
$firstWeight = count($followersOfUser) / count($followeesOfUser);
}
$secondWeight = $countOfUsers[$userId];
$thirdWeight = array_intersect($followeesIdsOfUser, $followeesIds);
$scoresOfEachUser[$userId] = ($firstWeight + $secondWeight + count($thirdWeight)) / 3;
}
$models = [];
arsort($scoresOfEachUser);
foreach (array_keys($scoresOfEachUser) as $id) {
$user = User::findOne($id);
array_push($models, $user);
}
return $models;
}
}
</div>
<div class="col-sm-6">
<p>
<strong class="col-sm-6">
<?php
echo Html::a($followed_programs->count(), ['/follow/followedprograms', 'id' => $id]);
?>
<small> Programs</small>
</strong>
</p>
<?php
$follow_status = 'Unfollow';
$btn_follow = '<i class="fa fa-minus-circle"></i> Unfollow';
$follow_btn_class = '';
if (count(\common\models\FollowerUsertoUser::find()->where(['followed_user_id' => $id, 'follower_user_id' => \Yii::$app->user->identity->getId()])->all()) == 0) {
$follow_status = 'Follow';
$btn_follow = '<i class="fa fa-user-plus"></i> Follow';
}
if ($id == \Yii::$app->user->identity->getId()) {
$follow_btn_class = 'disabled';
}
?>
<p class="col-sm-6">
<button type="button" style="margin-top: -11%;margin-left:-22px;" class="btn btn-border-success btn-follow <?php
echo $follow_btn_class;
?>
" id="<?php
echo $id;
?>
" data-id="<?php
?>
"><?php
echo $btn_follow;
?>
</span>
</button>
</div>
<ul class="list-inline item-details">
<li><i class="fa fa-clock-o"><?php
echo Yii::t('user', '{0, date}', $model->created_at);
?>
</i></li>
<li>
<a href="#"><i class="fa fa-users">
<?php
echo \common\models\FollowerUsertoUser::find()->where(['followed_user_id' => $model->id])->count();
?>
</i>
</a>
</li>
<li>
<a href="#"><i class="fa fa-thumbs-o-up"> </i>
<?php
$contents = \common\models\content\ContentRecord::find()->where(['uploadedBy' => $model->id])->all();
$contentsIds = \yii\helpers\ArrayHelper::getColumn($contents, 'id');
$likeRecords = \common\models\LikeDislikeContent::find()->where(['content' => $contentsIds, 'likeOrDislike' => 1]);
echo $likeRecords->count();
?>
</a>
</li>
<li>