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<?php
/**
* @author stev leibelt <artodeto@bazzline.net>
* @since 2014-08-16
*/
class Command_Channel extends Command_AbstractCommand
{
/**
* @var AbstractApplication
*/
private $application;
/**
* @var string
*/
private $command;
/**
* @var array
*/
private $commands = array(
'add',
'edit',
'delete',
'list'
);
/**
* @var Filesystem
*/
private $filesystem;
/**
* @param AbstractApplication $application
*/
public function setApplication(AbstractApplication $application)
{
$this->application = $application;
}
/**
* @param Filesystem $filesystem
*/
public function setFilesystem(Filesystem $filesystem)
{
$this->filesystem = $filesystem;
}
/**
* @throws Exception
*/
public function execute()
{
switch ($this->command) {
case 'add':
$command = $this->application->getChannelAddCommand();
break;
case 'edit':
$command = $this->application->getChannelEditCommand();
break;
case 'delete':
$command = $this->application->getChannelDeleteCommand();
break;
case 'list':
$command = $this->application->getChannelListCommand();
break;
default:
throw new Exception(
'unsupported command "' . $this->command . '"'
);
}
$command->setInput($this->input);
$command->setOutput($this->output);
try {
$command->verify();
} catch (Exception $exception) {
throw new Exception(
'--' . $this->command . ' ' . implode("\n", $command->getUsage()) . PHP_EOL .
PHP_EOL .
$exception->getMessage()
);
}
$command->execute();
}
/**
* @return array
*/
public function getUsage()
{
return array(
'[--' . implode('|--', $this->commands) . ']'
);
}
/**
* @throws Exception
*/
public function verify()
{
$this->command = null;
if ($this->input->getNumberOfArguments() < 1) {
throw new Exception(
'invalid number of arguments provided'
);
}
foreach ($this->commands as $command) {
if ($this->input->hasLongOption($command)) {
$this->command = $command;
break;
}
}
if (is_null($this->command)) {
throw new Exception(
'invalid command provided'
);
}
$this->input->removeLongOption($this->command);
}
}
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