/**
* Update the specified resource in storage.
*
* @param int $id
* @return Response
*/
public function update(InterestRequest $request, $username)
{
$interests = $request->except('_method');
$user = MecanexUser::where('username', $username)->get()->first();
if (empty($user)) {
$response = ["error" => "User doesn`t exist"];
$statusCode = 404;
} elseif (count($user->interest) == 0) {
$response = ["message" => "User has not set any interests, To create interests, try store"];
$statusCode = 404;
} else {
//check if what sends is correct or else it crushes
//updates interests and user scores
$key_values = array();
foreach ($interests as $key => $value) {
$interest = Interest::where('short_name', $key)->get(array('id'))->first();
$key_values[$interest->id] = $value;
$user->interest()->sync([$interest->id => ['interest_score' => $value]], false);
$term = Term::where('term', $key)->firstOrFail();
$value = $value / 5;
$user->term()->sync([$term->id => ['user_score' => $value]], false);
}
//there must be a more clever way to do this (foreach maybe)
//created 2 arrays one with the term ids ($term_ids) and the other with the scores ($term_scores)
$terms = Term::get(array('id'));
$all_terms = [];
foreach ($terms as $term) {
array_push($all_terms, $term->id);
}
$all_terms_length = count($all_terms);
ksort($key_values);
$term_ids = array_keys($key_values);
$term_ids_length = count($term_ids);
//update adjacency matrix
for ($i = 0; $i <= $term_ids_length - 1; $i++) {
for ($j = 0; $j <= $all_terms_length - 1; $j++) {
if ($term_ids[$i] == $all_terms[$j]) {
continue;
} elseif ($term_ids[$i] > $all_terms[$j]) {
$temp_user_matrix = MecanexUserTermHomeTermNeighbour::where('mecanex_user_id', $user->id)->where('term_home_id', $all_terms[$j])->where('term_neighbor_id', $term_ids[$i])->get()->first();
$temp_user = $user->term->find($all_terms[$j]);
$user_term_score_a = $temp_user->pivot->user_score;
$temp_user = $user->term->find($term_ids[$i]);
$user_term_score_b = $temp_user->pivot->user_score;
$new_score = $user_term_score_b * $user_term_score_a;
// }
} else {
$temp_user_matrix = MecanexUserTermHomeTermNeighbour::where('mecanex_user_id', $user->id)->where('term_home_id', $term_ids[$i])->where('term_neighbor_id', $all_terms[$j])->get()->first();
$temp_user = $user->term->find($all_terms[$j]);
$user_term_score_a = $temp_user->pivot->user_score;
$temp_user = $user->term->find($term_ids[$i]);
$user_term_score_b = $temp_user->pivot->user_score;
$new_score = $user_term_score_b * $user_term_score_a;
}
$temp_user_matrix->link_score = $new_score;
$temp_user_matrix->save();
}
}
//update profile
for ($j = 1; $j <= $all_terms_length; $j++) {
$profile_score = 0;
for ($i = 1; $i <= $all_terms_length; $i++) {
$temp_user = $user->term->find($i);
$user_term_score = $temp_user->pivot->user_score;
//get score of user
if ($i == $j) {
$link_score = 0;
} elseif ($i > $j) {
$temp_user_matrix = MecanexUserTermHomeTermNeighbour::where('mecanex_user_id', $user->id)->where('term_home_id', $j)->where('term_neighbor_id', $i)->get()->first();
$link_score = $temp_user_matrix->link_score;
} else {
$temp_user_matrix = MecanexUserTermHomeTermNeighbour::where('mecanex_user_id', $user->id)->where('term_home_id', $i)->where('term_neighbor_id', $j)->get()->first();
$link_score = $temp_user_matrix->link_score;
}
$profile_score = $profile_score + $user_term_score * $link_score;
}
$user->profilescore()->sync([$j => ['profile_score' => $profile_score]], false);
}
$response = ["message" => "User Interests were saved"];
$statusCode = 201;
}
return response($response, $statusCode)->header('Content-Type', 'application/json');
}
