/**
* Deletes photos that are in S3 but paths not in SimpleDB
*
* When a business is updated, all the photos are uploaded again to S3. The
* name of those photos might be different or the same even if the user
* hasn't added/removed any photos. This might lead to problems like there
* are photos in S3 whose paths aren't in SimpleDB. To circumvent this,
* before saving a business data that is being edited, all photos in S3
* which aren't in the Simple DB are deleted.
*
* @param $old_photo_url_array Photo URL of photos before business data
* is updated in SimpleDB
* @param $new_photo_url_array Photo URL of photos that are to be updated
* in S3
*/
public static function delete($old_photo_url_array, $new_photo_url_array)
{
$to_delete_photo_url_array = array_diff($old_photo_url_array, $new_photo_url_array);
//If there is no diff, there is no need of deleting
if (empty($to_delete_photo_url_array) === TRUE) {
return;
}
S3Persister::batch_delete($to_delete_photo_url_array);
}
/**
* Deletes a bunch of objects in S3
*
* @param $object_array The paths of the objects inside the bucket
*/
public static function batch_delete($object_array)
{
S3Persister::init();
$client = S3Client::factory(array('key' => S3Persister::$AWS_KEY, 'secret' => S3Persister::$AWS_SECRET_KEY, 'region' => S3Persister::REGION));
$bucket = S3Persister::$BUCKET_NAME;
$delete_objects = array();
foreach ($object_array as $object) {
//$object_path = "{$bucket}/{$object}";
array_push($delete_objects, array("Key" => $object));
}
$request = $client->deleteObjects(array('Bucket' => "{$bucket}", 'Objects' => $delete_objects));
return TRUE;
}
<?php
require_once "config.php";
use citibytes\Watermark;
use citibytes\persister\S3Persister;
use citibytes\exceptions\WatermarkException;
$uploaded_file_path = $_FILES['file']['tmp_name'];
$file_name = $_POST['file_path'];
try {
$watermark = new Watermark();
$watermark->addWatermark($uploaded_file_path);
} catch (WatermarkException $e) {
error_log($e->getMessage());
$result_json = array("status" => "error", "error" => "Error occured while applying watermark");
echo json_encode($result_json);
exit;
}
$result = S3Persister::put($uploaded_file_path, $file_name);
if ($result === TRUE) {
$result_json = array("status" => "ok", "file_path" => $file_name);
} else {
$result_json = array("status" => "error", "error" => "Please Try Again Later");
}
echo json_encode($result_json);
<?php
require_once "config.php";
use citibytes\BusinessDetails;
use citibytes\persister\S3Persister;
$business_id = $_REQUEST["business_id"];
$business_details = new BusinessDetails();
$output = $business_details->get($business_id);
/**
* Hours of operation is stored as a JSON string in SimpleDB.
* Coverting the JSON string into PHP Array
*/
$hours_of_operation = $output["hours_of_operation"];
$hours_of_operation = json_decode($hours_of_operation, TRUE);
$output["hours_of_operation"] = $hours_of_operation;
//Generate URLs for client to download photo data from S3
$photo_url_array = $output["photo_url"];
foreach ($photo_url_array as $index => $photo_url) {
$url = S3Persister::getPresignedURL($photo_url, "+10 minutes");
$photo_url_array[$index] = $url;
}
$output["photo_url"] = $photo_url_array;
echo json_encode($output);
