/**
* unique - returns true if the the filename is unique, or can be made unique reasonably
*
* @author John Dillick
* @since 1.2
*
* @return bool true on success, false on fail
**/
public function unique()
{
$Existing = new ImageAsset();
$Existing->uri = $this->filename;
$limit = 100;
while ($Existing->found()) {
// Rename the filename of the image if it already exists
list($name, $ext) = explode(".", $Existing->uri);
$_ = explode("-", $name);
$last = count($_) - 1;
$suffix = $last > 0 ? intval($_[$last]) + 1 : 1;
if ($suffix == 1) {
$_[] = $suffix;
} else {
$_[$last] = $suffix;
}
$Existing->uri = join("-", $_) . '.' . $ext;
if (!$limit--) {
return false;
}
}
if ($Existing->uri !== $this->filename) {
$this->filename = $Existing->uri;
}
return true;
}
/**
* AJAX behavior to process uploaded images
*
* TODO: Find a better place for this code so products & categories can both use it
*
* @return string JSON encoded result with thumbnail id and src
**/
function images () {
$context = false;
$error = false;
if (isset($_FILES['Filedata']['error'])) $error = $_FILES['Filedata']['error'];
if ($error) die(json_encode(array("error" => $this->uploadErrors[$error])));
require(ECART_PATH."/core/model/Image.php");
if (isset($_REQUEST['type'])) {
$parent = $_REQUEST['parent'];
switch (strtolower($_REQUEST['type'])) {
case "product":
$context = "product";
break;
case "category":
$context = "category";
break;
}
}
if (!$context)
die(json_encode(array("error" => __('The file could not be saved because the server cannot tell whether to attach the asset to a product or a category.','Ecart'))));
if (!is_uploaded_file($_FILES['Filedata']['tmp_name']))
die(json_encode(array("error" => __('The file could not be saved because the upload was not found on the server.','Ecart'))));
if (!is_readable($_FILES['Filedata']['tmp_name']))
die(json_encode(array("error" => __('The file could not be saved because the web server does not have permission to read the upload from the server\'s temporary directory.','Ecart'))));
if ($_FILES['Filedata']['size'] == 0)
die(json_encode(array("error" => __('The file could not be saved because the uploaded file is empty.','Ecart'))));
// Save the source image
if ($context == "category") $Image = new CategoryImage();
else $Image = new ProductImage();
$Image->parent = $parent;
$Image->type = "image";
$Image->name = "original";
$Image->filename = $_FILES['Filedata']['name'];
list($Image->width, $Image->height, $Image->mime, $Image->attr) = getimagesize($_FILES['Filedata']['tmp_name']);
$Image->mime = image_type_to_mime_type($Image->mime);
$Image->size = filesize($_FILES['Filedata']['tmp_name']);
$Existing = new ImageAsset();
$Existing->uri = $Image->filename;
$limit = 100;
while ($Existing->found()) { // Rename the filename of the image if it already exists
list($name,$ext) = explode(".",$Existing->uri);
$_ = explode("-",$name);
$last = count($_)-1;
$suffix = $last > 0?intval($_[$last])+1:1;
if ($suffix == 1) $_[] = $suffix;
else $_[$last] = $suffix;
$Existing->uri = join("-",$_).'.'.$ext;
if (!$limit--)
die(json_encode(array("error" => __('The image already exists, but a new filename could not be generated.','Ecart'))));
}
if ($Existing->uri !== $Image->filename)
$Image->filename = $Existing->uri;
$Image->store($_FILES['Filedata']['tmp_name'],'upload');
$Image->save();
if (empty($Image->id))
die(json_encode(array("error" => __('The image reference was not saved to the database.','Ecart'))));
echo json_encode(array("id"=>$Image->id));
}
