/**
* Save some CSV data to a file, and create a quasi-$_FILES entry for it.
* @param string $data
* @return string|array
*/
private function saveDataFile($data)
{
$test_filename = Config::storageDirTmp('test') . '/' . uniqid() . '.csv';
file_put_contents($test_filename, $data);
$uploaded = array('type' => 'text/csv', 'file' => $test_filename);
return $uploaded;
}
public function render()
{
// Generate the DOT source code, and write to a file.
$dot = new \Tabulate\Template('erd/erd.twig');
$dot->tables = $this->tables;
$dot->selectedTables = $this->selectedTables;
$dotCode = $dot->render();
$tmpFilePath = Config::storageDirTmp('erd/' . uniqid());
$dotFile = $tmpFilePath . '/erd.dot';
$pngFile = $tmpFilePath . '/erd.png';
file_put_contents($dotFile, $dotCode);
// Generate the image.
$cmd = Config::dotCommand() . ' -Tpng -o' . escapeshellarg($pngFile) . ' ' . escapeshellarg($dotFile);
$ds = array(0 => array('pipe', 'r'), 1 => array('pipe', 'w'), 2 => array('pipe', 'w'));
$pipes = false;
$proc = proc_open($cmd, $ds, $pipes, Config::storageDirTmp('erd'), array());
fclose($pipes[0]);
$out = stream_get_contents($pipes[1]);
fclose($pipes[1]);
$err = stream_get_contents($pipes[2]);
fclose($pipes[2]);
proc_close($proc);
if (!empty($err)) {
throw new \Exception("Error generating graph image. {$err}");
}
// Send the image.
header('Content-Type:image/png');
echo file_get_contents($pngFile);
// Clean up.
\Tabulate\File::rmdir($tmpFilePath);
}
protected function redirect($route)
{
$url = \Tabulate\Config::baseUrl() . '/' . ltrim($route, '/ ');
http_response_code(303);
header("Location: {$url}");
exit(0);
}
protected function installData(\Tabulate\DB\Database $db)
{
$this->write("Confirming existance of administrative user, group, and grant");
// Can't log changes without a user (admin, in this case). So we create a user manually.
$pwd = password_hash('admin', PASSWORD_DEFAULT);
$adminUserData = ['id' => Users::ADMIN, 'name' => 'Admin', 'email' => Config::siteEmail(), 'password' => $pwd];
$adminSql = "INSERT IGNORE INTO `users` SET `id`=:id, `name`=:name, `email`=:email, `password`=:password";
$db->query($adminSql, $adminUserData);
// Then we want to create a second user (anon), but this time recording changes. The change-tracker needs to
// know about permissions, so before creating the 2nd user that we need to grant permission to admin.
// Permissions are granted to groups, not users, so we put admin in an admin group first (manually).
$params2 = ['id' => Groups::ADMINISTRATORS, 'name' => 'Administrators'];
$db->query("INSERT IGNORE INTO `groups` SET `id`=:id, `name`=:name", $params2);
$params3 = ['user' => Users::ADMIN, 'group' => Groups::ADMINISTRATORS];
$db->query("INSERT IGNORE INTO `group_members` SET `user`=:user, `group`=:group", $params3);
// Now we can grant everything (on everything) to the admin group.
$db->query("INSERT IGNORE INTO `grants` SET `group`=:group", ['group' => Groups::ADMINISTRATORS]);
// And finally 'reset' the DB so it knows about the above new records.
$db->reset();
// Start tracking changes now that there's a user to attribute it to.
$db->setCurrentUser(Users::ADMIN);
$changeTracker = new \Tabulate\DB\ChangeTracker($db);
$changeTracker->openChangeset('Installation', true);
// Create remaining default users and groups.
if (!$db->getTable('users')->getRecord(Users::ANON)) {
$this->write("Inserting user 'Anonymous'");
$db->getTable('users')->saveRecord(['id' => Users::ANON, 'name' => 'Anonymous']);
}
if (!$db->getTable('groups', false)->getRecord(Groups::GENERAL_PUBLIC)) {
$this->write("Inserting group 'General Public'");
$db->getTable('groups', false)->saveRecord(['id' => Groups::GENERAL_PUBLIC, 'name' => 'General Public']);
}
// Add Anon user to the General Public group.
$groupMembers = $db->getTable('group_members', false);
$groupMembers->addFilter('user', '=', Users::ANON);
$groupMembers->addFilter('group', '=', Groups::GENERAL_PUBLIC);
if ($groupMembers->getRecordCount() === 0) {
$this->write("Adding user 'Anonymous' to group 'General Public'");
$groupMembers->saveRecord(['group' => Groups::GENERAL_PUBLIC, 'user' => Users::ANON]);
}
// Add first report (to list reports).
if (0 == $db->query("SELECT COUNT(*) FROM `" . Reports::reportsTableName() . "`")->fetchColumn()) {
// Create the default report, to list all reports.
$templateString = "<dl>\n" . "{% for report in reports %}\n" . " <dt><a href='{{baseurl}}/reports/{{report.id}}'>{{report.title}}</a></dt>\n" . " <dd>{{report.description}}</dd>\n" . "{% endfor %}\n" . "</dl>";
$sql1 = "INSERT INTO `" . Reports::reportsTableName() . "` SET" . " id = " . Reports::DEFAULT_REPORT_ID . ", " . " title = 'Reports', " . " description = 'List of all Reports.'," . " template = :template;";
$db->query($sql1, ['template' => $templateString]);
// And the query for the above report.
$query = "SELECT * FROM " . Reports::reportsTableName();
$sql2 = "INSERT INTO `" . Reports::reportSourcesTableName() . "` SET " . " report = " . Reports::DEFAULT_REPORT_ID . "," . " name = 'reports'," . " query = :query;";
$db->query($sql2, ['query' => $query]);
}
// Finish up.
$changeTracker->closeChangeset();
}
/**
* Get a list of tables that the current user can read.
* @return string[] The table names.
*/
public function getTableNames($checkGrants = true)
{
if (!$this->tableNames) {
$this->tableNames = $this->query('SHOW TABLES')->fetchAll();
}
$out = [];
foreach ($this->tableNames as $row) {
$tableName = $row->{'Tables_in_' . Config::databaseName()};
if (!$checkGrants || $this->checkGrant(Grants::READ, $tableName)) {
$out[] = $tableName;
}
}
return $out;
}
/**
* Get a fully-qualified URL to a Back End page for this table.
* @param string $action Which action to use ('index', 'import', etc.).
* @param string[] $extra_params Other query string parameters to add.
* @param string $controller Which controller to use ('table', 'record', etc.).
* @return string The full URL.
*/
public function getUrl($action = 'index', $extra_params = false, $controller = 'table')
{
$params = [];
if (is_array($extra_params)) {
$params = array_merge($_GET, $params, $extra_params);
}
$paramString = http_build_query($params);
return Config::baseUrl() . '/table/' . $this->getName() . (!empty($paramString) ? "?{$paramString}" : "");
}
public function getUrl()
{
return Config::baseUrl() . '/record/' . $this->table->getName() . '/' . $this->getPrimaryKey();
}
protected function byline()
{
return 'Tabulate ' . Config::version();
}
