plateforme-tfjm2/server_files/controllers/ajouter_equipe.php

<?php

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

$tournaments_response = $DB->query("SELECT `id`, `name` FROM `tournaments` WHERE `date_inscription` > CURRENT_DATE AND `year` = '$YEAR';");

$has_error = false;
$error_message = null;

if (isset($_POST["submitted"])) {
    $new_team = new NewTeam($_POST);
    try {
    	$new_team->makeVerifications();
    	$new_team->register();
	}
	catch (AssertionError $e) {
    	$has_error = true;
    	$error_message = $e->getMessage();
	}
}

class NewTeam {
	public $name;
	public $trigram;
	public $tournament_id;
	public $tournament;
	public $access_code;

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

	public function makeVerifications() {
		ensure($_SESSION["team"] == null, "Vous êtes déjà dans une équipe.");
		ensure($this->name != null && $this->name != "", "Vous devez spécifier un nom d'équipe.");
		ensure(preg_match("#^[A-Z]{3}$#", $this->trigram), "Le trigramme entré n'est pas valide.");
		ensure(!teamExists($this->name), "Une équipe existe déjà avec ce nom.");
		ensure(!trigramExists($this->trigram), "Une équipe a déjà choisi ce trigramme.");
		$this->tournament = Tournament::fromId($this->tournament_id);
		ensure($this->tournament != null, "Le tournoi spécifié n'existe pas.");
	}

	public function register() {
		global $DB, $YEAR;

		$alphabet = "0123456789abcdefghijkmnopqrstuvwxyz0123456789";
		$this->access_code = "";
		for ($i = 0; $i < 6; ++$i)
			$this->access_code .= $alphabet[rand(0, strlen($alphabet) - 1)];

		$req = $DB->prepare("INSERT INTO `teams` (`name`, `trigram`, `tournament`, `encadrant_1`, `participant_1`, `validation_status`, `access_code`, `year`)
                           VALUES (?, ?, ?, ?, ?, ?, ?, ?);");
		$req->execute([$this->name, $this->trigram, $this->tournament_id, $_SESSION["role"] == Role::ENCADRANT ? $_SESSION["user_id"] : NULL,
			$_SESSION["role"] == Role::PARTICIPANT ? $_SESSION["user_id"] : NULL, ValidationStatus::NOT_READY, $this->access_code, $YEAR]);

		$_SESSION["team"] = Team::fromTrigram($this->trigram);
		$_SESSION["user"]->setTeamId($_SESSION["team"]->getId());

		sendAddTeamMail($_SESSION["user"], $_SESSION["team"], $this->tournament);
	}
}

require_once "server_files/views/ajouter_equipe.php";