public function checkConverted($key, $format, $fileType = "", $contentType = "")
{
global $awsS3Bucket;
if ($fileType == "" or $contentType == "") {
// update status in the DB
$db = getDBObject();
$formatInfo = $db->getFormat($format);
$fileType = $formatInfo["file_type"];
$contentType = $formatInfo["content_type"];
}
// check existance
$s3 = getS3Object();
$pdfName = getStorageName($key, $format, ".pdf");
if ($contentType == "application/zip") {
$convName = getStorageName($key, $format, ".zip");
} else {
$convName = getStorageName($key, $format, ".{$fileType}");
}
$logName = getStorageName($key, $format, ".txt");
// PDFs can be found only for books that where added through early versions of fb2pdf,
// when there was no support for formats. There is no need to query them
// if format is set to semething other then 1.
$pdfExists = $format == 1 && $s3->objectExists($awsS3Bucket, $pdfName);
$convExists = $s3->objectExists($awsS3Bucket, $convName);
$logExists = $s3->objectExists($awsS3Bucket, $logName);
// check status and generate links
$status = self::STATUS_PROGRESS;
if (($pdfExists or $convExists) and $logExists) {
$status = self::STATUS_SUCCESS;
$this->convFile = $pdfExists ? "getfile.php?key={$pdfName}" : "getfile.php?key={$convName}";
$this->logFile = "getfile.php?key={$logName}";
} else {
if ($logExists) {
$status = self::STATUS_ERROR;
$this->logFile = "getfile.php?key={$logName}";
}
}
return $status;
}
<?php
require_once 'exemplo_interface.php';
function getDBObject($dbType = 'mysql')
{
switch ($dbType) {
case 'postgres':
return new PostgresDB();
case 'oracle':
return new OracleDB();
default:
return new MySQLDB();
}
}
$db = getDBObject();
// Tenho certeza que o objeto retornado implementa a interface iDB
// Isso garante que o objeto terá os métodos setConnData(), connect() e
// readDataFromTable() exatamente da forma como descrito na interface
if ($db instanceof iDB) {
/* Independente do banco utilizado, o trecho abaixo sempre vai funcionar */
$db->setConnData('localhost', 'admin', 'p4pm6');
$db->connect();
$usuarios = $db->readDataFromTable('usuario');
}
private function requestConvert($format)
{
global $awsS3Bucket, $secret;
// send SQS message
$callbackUrl = getFullUrl("conv_callback.php");
$db = getDBObject();
$formatInfo = $db->getFormat($format);
$formatParams = $db->getFormatParameters($format);
$fileType = $formatInfo["file_type"];
$contentType = $formatInfo["content_type"];
if (!sqsPutMessage($this->bookKey, "http://s3.amazonaws.com/{$awsS3Bucket}/{$this->bookKey}.fb2", $this->fileName, $callbackUrl, md5($secret . $this->bookKey), $this->email, $format, $formatParams, $fileType, $contentType)) {
throw new Exception("Unable to send Amazon SQS message for key {$this->bookKey}.", self::ERR_CONVERT);
}
}