public function daftar()
{
$data_input = array();
$data_input['nama_depan'] = Input::get('nama_depan');
$data_input['nama_belakang'] = Input::get('nama_belakang');
$data_input['surel'] = Input::get('email');
$data_input['telpon'] = Input::get('phone');
$data_input['password'] = Fungsi::enkripsi_password(Input::get('pass'));
$cekduplikasi = $this->user->cek_duplikasi_email($data_input['surel']);
if ($cekduplikasi == TRUE) {
return Redirect::to('/');
} elseif ($cekduplikasi == FALSE) {
Users::create($data_input);
$id = Users::where('surel', '=', $data_input['surel'])->first()->id;
$user_id = array();
$user_id['id_user'] = $id;
UserAvgRate::create($user_id);
Session::put('logged_in', '1');
Session::put('level', 'user');
Session::put('user_id', $id);
Session::put('user_name', $data_input['nama_depan']);
return Redirect::to('/bergabung');
}
}
public function give_rate_by_id_kom($id)
{
$data['id_user'] = Users::where('id', '=', Session::get('user_id'))->first()->id;
$data['id_komunitas'] = $id;
$data['rating'] = Input::get('rating');
$jml = $this->rating->count_rate_row_by_id($data['id_user']);
$jmlplus = $jml + 1;
$total = $this->rating->count_all_rating_by_id($data['id_user']);
$totalplus = $total + $data['rating'];
$avgrate['avg_rate'] = $totalplus / $jmlplus;
$jml2 = $this->komunitas->count_komunitas_rate_by_id($id);
$jml2plus = $jml2 + 1;
$ratetotal = $this->komunitas->count_totalrate_by_idkom($id);
$totalrate = $ratetotal + $data['rating'];
$ratekom['avg_rate'] = $totalrate / $jml2plus;
UserRating::create($data);
UserAvgRate::where('id_user', '=', Session::get('user_id'))->update($avgrate);
Komunitas::where('id', '=', $id)->update($ratekom);
$totrate = $this->rating->count_rate_row_by_id($data['id_user']);
if ($totrate > 1) {
$ratesim = $this->rating->get_all_user_rate($data['id_user'], $id);
//$ratesim = $this->komunitas->get_komunitas_rated_except($id);
foreach ($ratesim as $rated) {
$similar['id_kom1'] = $id;
$similar['id_kom2'] = $rated->id_komunitas;
//$similar['id_kom2'] = $rated->id;
$user_avg = $this->average->get_average_rate($data['id_user']);
$rate1 = $this->rating->get_rating_only($data['id_user'], $similar['id_kom1']);
$rate2 = $this->rating->get_rating_only($data['id_user'], $similar['id_kom2']);
$similar['similarity'] = ($rate1 - $user_avg) * ($rate2 - $user_avg) / (sqrt(pow($rate1 - $user_avg, 2)) * sqrt(pow($rate2 - $user_avg, 2)));
$check = $this->komsimilarity->is_compared($similar['id_kom1'], $similar['id_kom2']);
if ($check == TRUE) {
KomSimilarity::where('id_kom1', '=', $id)->where('id_kom2', '=', $rated->id_komunitas)->update($similar);
} else {
KomSimilarity::create($similar);
}
}
// $allkom = Komunitas::get();
$allkom = $this->komunitas->get_komunitas_rated_except($id);
foreach ($allkom as $kom) {
$israted = $this->rating->is_rated($data['id_user'], $kom->id);
if ($israted == FALSE) {
$ceksimilarity = $this->komsimilarity->get_similarity($kom->id);
foreach ($ceksimilarity as $mirip) {
// $ratekomp = $this->rating->get_rating_only($data['id_user'], $mirip->id_kom2);
$ratekomp = $this->rating->get_rating($mirip->id_kom2);
$simvalue = $this->komsimilarity->get_similarity_value($mirip->id_kom1, $mirip->id_kom2);
$predict['id_user'] = $data['id_user'];
$predict['id_komunitas'] = $mirip->id_kom2;
$predict['rate_predict'] = $ratekomp * $simvalue / ABS($simvalue);
$ceki = $this->predict->is_predicted($data['id_user'], $mirip->id_kom2);
if ($ceki == TRUE) {
KomRatePredict::where('id_user', '=', $data['id_user'])->where('id_komunitas', '=', $mirip->id_kom2)->update($predict);
} else {
KomRatePredict::create($predict);
}
}
}
}
}
// // $allkom = Komunitas::get();
// $allkom = $this->komunitas->get_komunitas_rated_except($id);
// foreach ($allkom as $kom) {
// $israted = $this->rating->is_rated($data['id_user'], $kom->id);
// if ($israted == FALSE) {
// $ceksimilarity = $this->komsimilarity->get_similarity($kom->id);
// foreach ($ceksimilarity as $mirip) {
// $cekrating = $this->rating->is_rated($data['id_user'], $mirip->id_kom2);
// if ($cekrating == FALSE) {
// $ratekomp = $this->rating->get_rating_only($data['id_user'], $mirip->id_kom1);
// $simvalue = $this->komsimilarity->get_similarity_value($mirip->id_kom1, $mirip->id_kom2);
// $predict['id_user'] = $data['id_user'];
// $predict['id_komunitas'] = $mirip->id_kom2;
// $predict['rate_predict'] = (($ratekomp * $simvalue)/(ABS($simvalue)));
// $ceki = $this->predict->is_predicted($data['id_user'], $mirip->id_kom2);
// if ($ceki == TRUE) {
// KomRatePredict::update($predict);
// } else {
// KomRatePredict::create($predict);
// }
// }
// }
// }
// }
$slug = Komunitas::where('id', '=', $id)->first()->slug;
return Redirect::to('/komunitas/' . $slug);
}
