Viewing file:  PromptsForMissingInput.php (3.32 KB) -rw-r--r--
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<?php
namespace Illuminate\Console\Concerns;
use Illuminate\Contracts\Console\PromptsForMissingInput as PromptsForMissingInputContract;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Output\OutputInterface;
trait PromptsForMissingInput
{
/**
* Interact with the user before validating the input.
*
* @param \Symfony\Component\Console\Input\InputInterface $input
* @param \Symfony\Component\Console\Output\OutputInterface $output
* @return void
*/
protected function interact(InputInterface $input, OutputInterface $output)
{
parent::interact($input, $output);
if ($this instanceof PromptsForMissingInputContract) {
$this->promptForMissingArguments($input, $output);
}
}
/**
* Prompt the user for any missing arguments.
*
* @param \Symfony\Component\Console\Input\InputInterface $input
* @param \Symfony\Component\Console\Output\OutputInterface $output
* @return void
*/
protected function promptForMissingArguments(InputInterface $input, OutputInterface $output)
{
$prompted = collect($this->getDefinition()->getArguments())
->filter(fn ($argument) => $argument->isRequired() && is_null($input->getArgument($argument->getName())))
->filter(fn ($argument) => $argument->getName() !== 'command')
->each(fn ($argument) => $input->setArgument(
$argument->getName(),
$this->askPersistently(
$this->promptForMissingArgumentsUsing()[$argument->getName()] ??
'What is '.lcfirst($argument->getDescription()).'?'
)
))
->isNotEmpty();
if ($prompted) {
$this->afterPromptingForMissingArguments($input, $output);
}
}
/**
* Prompt for missing input arguments using the returned questions.
*
* @return array
*/
protected function promptForMissingArgumentsUsing()
{
return [];
}
/**
* Perform actions after the user was prompted for missing arguments.
*
* @param \Symfony\Component\Console\Input\InputInterface $input
* @param \Symfony\Component\Console\Output\OutputInterface $output
* @return void
*/
protected function afterPromptingForMissingArguments(InputInterface $input, OutputInterface $output)
{
//
}
/**
* Whether the input contains any options that differ from the default values.
*
* @param \Symfony\Component\Console\Input\InputInterface $input
* @return bool
*/
protected function didReceiveOptions(InputInterface $input)
{
return collect($this->getDefinition()->getOptions())
->reject(fn ($option) => $input->getOption($option->getName()) === $option->getDefault())
->isNotEmpty();
}
/**
* Continue asking a question until an answer is provided.
*
* @param string $question
* @return string
*/
private function askPersistently($question)
{
$answer = null;
while ($answer === null) {
$answer = $this->components->ask($question);
if ($answer === null) {
$this->components->error('The answer is required.');
}
}
return $answer;
}
}
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