plateforme-corres2math/server_files/controllers/repondre_questions.php

<?php
if (!isset($_SESSION["user_id"]) || $_SESSION["role"] != Role::PARTICIPANT && $_SESSION["role"] != Role::ENCADRANT || Phase::getCurrentPhase() != Phase::PHASE3)
	require_once "server_files/403.php";

/** @var Team $team */
$team = $_SESSION["team"];

$has_error = false;
$error_message = null;

if (isset($_POST["answer"])) {
	$answer_questions = new AnswerQuestions($_POST, $_FILES);
	try {
		$answer_questions->makeVerifications();
		$answer_questions->answerQuestions();
	} catch (AssertionError $e) {
		$has_error = true;
		$error_message = $e->getMessage();
	}
}

class AnswerQuestions
{
	private $from;
	/**
	 * @var Team $to_team
	 */
	private $from_team;
	private $answer_0;
	private $answer_1;
	private $answer_2;
	private $answer_3;
	private $answer_4;
	private $answer_5;
	private $answer_6;
	private $answers;
	private $no_drawing;
	private $has_files;
	private $files;

	public function __construct($data, $files)
	{
		foreach ($data as $key => $value) {
			$this->$key = $value;
		}

		$this->files = [];
		$this->has_files = false;

		for ($i = 0; $i <= 6; ++$i) {
			if (strlen($files["file_$i"]["name"]) > 0) {
				$this->files[] = $files["file_$i"];
				$this->has_files = true;
			}
			else
				$this->files[] = null;
		}

		$this->answers = [$this->answer_0, $this->answer_1, $this->answer_2, $this->answer_3, $this->answer_4, $this->answer_5, $this->answer_6];
	}

	public function makeVerifications()
	{
		global $LOCAL_PATH, $team;

		$this->from_team = Team::fromTrigram($this->from);
		ensure($this->from_team != null, "L'équipe indiquée n'existe pas.");
		ensure($team->getProblem() == $this->from_team->getProblem(), "Les équipes ne travaillent pas sur le même problème.");
		ensure(!$this->has_files || $this->no_drawing, "Vous devez confirmer ne pas avoir inclus de texte dans vos pièces jointes.");

		for ($i = 1; $i <= 6; ++$i) {
			if ($this->answers[$i] == "")
				$this->answers[$i] = null;
		}

		for ($i = 0; $i <= 6; ++$i) {
			ensure($this->files[$i]["size"] <= 2e6, "Le fichier doit peser moins que 2 Mo.");
			ensure(!$this->files[$i]["error"], "Une erreur est survenue. Veuillez vérifier vos pièces jointes. Elles ne doivent pas peser plus de 2 Mo chacune.");
		}

		ensure(is_dir("$LOCAL_PATH/files") || mkdir("$LOCAL_PATH/files"), "Un problème est survenue dans l'envoi du fichier. Veuillez contacter l'administrateur du serveur.");
	}

	public function answerQuestions()
	{
		global $LOCAL_PATH, $team;

		/** @var Question[] $questions */
		$questions = Question::getQuestions($this->from_team, $team);
		for ($i = 0; $i <= 6; ++$i) {
			$question = $questions[$i];
			if ($question->getAnswer() != $this->answers[$i] && $question->getAttachedFileAnswer() != null) {
				unlink("$LOCAL_PATH/files/" . $question->getAttachedFileAnswer());
				$question->setAttachedFileAnswer(null);
			}

				$question->setAnswer($this->answers[$i]);

			if ($this->files[$i] != null) {
				do
					$file_id = genRandomPhrase(64);
				while (file_exists("$LOCAL_PATH/files/$file_id"));

				if (!rename($this->files[$i]["tmp_name"], "$LOCAL_PATH/files/$file_id"))
					throw new AssertionError("Une erreur est survenue lors de l'envoi du fichier.");

				$question->setAttachedFileAnswer($file_id);
			}
		}
	}
}

$questions = Question::getQuestionsTo($team);
$video = Video::getVideo(Reason::SOLUTION, $team);

require_once "server_files/views/repondre_questions.php";