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<?php
declare(strict_types=1);
namespace dacoto\EnvSet\Workers;
use dacoto\EnvSet\Contracts\Formatter as EnvSetFormatterContract;
use dacoto\EnvSet\Exceptions\UnableWriteToFileException;
class Writer implements \dacoto\EnvSet\Contracts\Writer
{
protected string $buffer;
protected EnvSetFormatterContract $formatter;
public function __construct(EnvSetFormatterContract $formatter)
{
$this->formatter = $formatter;
}
public function setBuffer(string $content): self
{
if (! empty($content)) {
$content = rtrim((string) $content) . PHP_EOL;
}
$this->buffer = $content;
return $this;
}
public function appendEmptyLine(): self
{
return $this->appendLine();
}
protected function appendLine(string $text = null): self
{
$this->buffer .= $text . PHP_EOL;
return $this;
}
public function appendCommentLine(string $comment): self
{
return $this->appendLine('# ' . $comment);
}
public function appendSetter(string $key, string $value = null, string $comment = null, bool $export = false): self
{
$line = $this->formatter->formatSetterLine($key, (string) $value, $comment, $export);
return $this->appendLine($line);
}
public function updateSetter(string $key, string $value = null, string $comment = null, bool $export = false): self
{
$pattern = "/^(export\h)?\h*{$key}=.*/m";
$line = $this->formatter->formatSetterLine($key, (string) $value, $comment, $export);
$this->buffer = (string) preg_replace_callback($pattern, static function () use ($line) {
return $line;
}, $this->buffer);
return $this;
}
public function deleteSetter(string $key): object
{
$pattern = "/^(export\h)?\h*{$key}=.*\n/m";
$this->buffer = (string) preg_replace($pattern, '', $this->buffer);
return $this;
}
/**
* @throws UnableWriteToFileException
*/
public function save(string $filePath): self
{
$this->ensureFileIsWritable($filePath);
file_put_contents($filePath, $this->buffer);
return $this;
}
/**
* @throws UnableWriteToFileException
*/
protected function ensureFileIsWritable(string $filePath): void
{
if ((is_file($filePath) && ! is_writable($filePath)) || (! is_file($filePath) && ! is_writable(dirname($filePath)))) {
throw new UnableWriteToFileException(sprintf('Unable to write to the file at %s.', $filePath));
}
}
}