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<?php
/**
* The Response class is a do-it-all for getting responses out in different
* formats.
*
* @todo Create sub-classes to split and extend this god object.
*/
class Response
{
/**
* Indicates response type used for routing.
*
* Valid strings are 'csv', 'html', 'json' and 'text'.
*
* @var string $type Response type
*/
private $type;
/**
* Indicates requested response type.
*
* Valid strings are 'csv', 'html', 'json', 'gyazo' and 'text'.
*
* @param string|null $response_type Response type
*/
public function __construct($response_type = null)
{
switch ($response_type) {
case 'csv':
header('Content-Type: text/csv; charset=UTF-8');
$this->type = $response_type;
break;
case 'html':
header('Content-Type: text/html; charset=UTF-8');
$this->type = $response_type;
break;
case 'json':
header('Content-Type: application/json; charset=UTF-8');
$this->type = $response_type;
break;
case 'gyazo':
header('Content-Type: text/plain; charset=UTF-8');
$this->type = 'text';
break;
case 'text':
header('Content-Type: text/plain; charset=UTF-8');
$this->type = $response_type;
break;
default:
header('Content-Type: application/json; charset=UTF-8');
$this->type = 'json';
$this->error(400, 'Invalid response type. Valid options are: csv, html, json, text.');
break;
}
}
/**
* Routes error messages depending on response type.
*
* @param int $code HTTP status code number.
* @param int $desc Descriptive error message.
* @return void
*/
public function error($code, $desc)
{
$response = null;
switch ($this->type) {
case 'csv':
$response = $this->csvError($desc);
break;
case 'html':
$response = $this->htmlError($code, $desc);
break;
case 'json':
$response = $this->jsonError($code, $desc);
break;
case 'text':
$response = $this->textError($code, $desc);
break;
}
http_response_code($code);
echo $response;
}
/**
* Routes success messages depending on response type.
*
* @param mixed[] $files
* @return void
*/
public function send($files)
{
$response = null;
switch ($this->type) {
case 'csv':
$response = $this->csvSuccess($files);
break;
case 'html':
$response = $this->htmlSuccess($files);
break;
case 'json':
$response = $this->jsonSuccess($files);
break;
case 'text':
$response = $this->textSuccess($files);
break;
}
http_response_code(200); // "200 OK". Success.
echo $response;
}
/**
* Indicates with CSV body the request was invalid.
*
* @deprecated 2.1.0 Will be renamed to camelCase format.
* @param int $description Descriptive error message.
* @return string Error message in CSV format.
*/
private static function csvError($description)
{
return '"error"'."\r\n"."\"$description\""."\r\n";
}
/**
* Indicates with CSV body the request was successful.
*
* @deprecated 2.1.0 Will be renamed to camelCase format.
* @param mixed[] $files
* @return string Success message in CSV format.
*/
private static function csvSuccess($files)
{
$result = '"name","url","hash","size"'."\r\n";
foreach ($files as $file) {
$result .= '"'.$file['name'].'"'.','.
'"'.$file['url'].'"'.','.
'"'.$file['hash'].'"'.','.
'"'.$file['size'].'"'."\r\n";
}
return $result;
}
/**
* Indicates with HTML body the request was invalid.
*
* @deprecated 2.1.0 Will be renamed to camelCase format.
* @param int $code HTTP status code number.
* @param int $description Descriptive error message.
* @return string Error message in HTML format.
*/
private static function htmlError($code, $description)
{
return '<p>ERROR: ('.$code.') '.$description.'</p>';
}
/**
* Indicates with HTML body the request was successful.
*
* @deprecated 2.1.0 Will be renamed to camelCase format.
* @param mixed[] $files
* @return string Success message in HTML format.
*/
private static function htmlSuccess($files)
{
$result = '';
foreach ($files as $file) {
$result .= '<a href="'.$file['url'].'">'.$file['url'].'</a><br>';
}
return $result;
}
/**
* Indicates with JSON body the request was invalid.
*
* @deprecated 2.1.0 Will be renamed to camelCase format.
* @param int $code HTTP status code number.
* @param int $description Descriptive error message.
* @return string Error message in pretty-printed JSON format.
*/
private static function jsonError($code, $description)
{
return json_encode(array(
'success' => false,
'errorcode' => $code,
'description' => $description,
), JSON_PRETTY_PRINT);
}
/**
* Indicates with JSON body the request was successful.
*
* @deprecated 2.1.0 Will be renamed to camelCase format.
* @param mixed[] $files
* @return string Success message in pretty-printed JSON format.
*/
private static function jsonSuccess($files)
{
return json_encode(array(
'success' => true,
'files' => $files,
), JSON_PRETTY_PRINT);
}
/**
* Indicates with plain text body the request was invalid.
*
* @deprecated 2.1.0 Will be renamed to camelCase format.
* @param int $code HTTP status code number.
* @param int $description Descriptive error message.
* @return string Error message in plain text format.
*/
private static function textError($code, $description)
{
return 'ERROR: ('.$code.') '.$description;
}
/**
* Indicates with plain text body the request was successful.
*
* @deprecated 2.1.0 Will be renamed to camelCase format.
* @param mixed[] $files
* @return string Success message in plain text format.
*/
private static function textSuccess($files)
{
$result = '';
foreach ($files as $file) {
$result .= $file['url']."\n";
}
return $result;
}
}
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