plateforme-tfjm2/server_files/controllers/solutions_orga.php

<?php

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

/** @noinspection SqlAggregates */
$req = $DB->query("SELECT `tournaments`.`id`, `name` FROM `tournaments` JOIN `organizers` ON `tournament` = `tournaments`.`id` WHERE "
	. ($_SESSION["role"] == Role::ADMIN ? "" : "`organizer` = '" . $_SESSION["user_id"] . "' AND ")
	. "`year` = $YEAR GROUP BY `tournament` ORDER BY `name`;");

if (isset($_POST["download_zip"])) {
    $id = $_POST["tournament"];
    $tournament_name = $_POST["tournament_name"];
	/** @noinspection SqlAggregates */
	$files_req = $DB->query("SELECT *, COUNT(`problem`) AS `version` FROM `solutions` WHERE `tournament` = '$id' GROUP BY `team`, `problem` ORDER BY `team`, `problem`, `uploaded_at` DESC;");

    $zip = new ZipArchive();

	$temp = tempnam("tmp", "tfjm-");

	if ($zip->open($temp, ZipArchive::CREATE) !== true) {
	    die("Impossible de créer le fichier zip.");
    }

    while (($data_file = $files_req->fetch()) !== false) {
        $file_id = $data_file["file_id"];
        $problem = $data_file["problem"];
        $version = $data_file["version"];
        $team_id = $data_file["team"];
        $team = Team::fromId($team_id);
        $team_name = $team->getName();
        $team_trigram = $team->getTrigram();

        $zip->addFile("$LOCAL_PATH/files/$file_id", "Problème $problem $team_trigram.pdf");
    }

	$zip->close();

	header("Content-Type: application/zip");
	header("Content-Disposition: attachment; filename=\"Solutions du tournoi de $tournament_name.zip\"");
	header("Content-Length: " . strval(filesize($temp)));

	readfile($temp);

	exit();
}

require_once "server_files/views/header.php";

while (($data_tournament = $req->fetch()) !== false) {
    echo "<h1>Tournoi de " . $data_tournament["name"] . "</h1>\n";
    $id = $data_tournament["id"];
	/** @noinspection SqlAggregates */
	$files_req = $DB->query("SELECT *, COUNT(`problem`) AS `version` FROM `solutions` WHERE `tournament` = '$id' GROUP BY `team` ORDER BY `team`, `problem`, `uploaded_at` DESC;");
    while (($data_file = $files_req->fetch()) !== false) {
        $file_id = $data_file["file_id"];
        $problem = $data_file["problem"];
        $version = $data_file["version"];
        $team_id = $data_file["team"];
        $team = Team::fromId($team_id);
        $team_name = $team->getName();
        $team_trigram = $team->getTrigram();
        echo "Problème n°$problem de l'équipe $team_name ($team_trigram), version $version : <a href=\"$URL_BASE/file/$file_id\">Télécharger</a><br />";
    }

    echo "<form method=\"POST\">\n";
    echo "<input type=\"hidden\" name=\"tournament\" value=\"$id\" />\n";
    echo "<input type=\"hidden\" name=\"tournament_name\" value=\"" . $data_tournament["name"] . "\" />\n";
    echo "<input style=\"width: 100%\" type=\"submit\" name=\"download_zip\" value=\"Télécharger l'archive\" />\n";
    echo "</form><hr />\n";
}

require_once "server_files/views/footer.php";