Add FileInfo

Author: jfilla

src/Utils/FileInfo.php

@@ -0,0 +1,70 @@
+<?php declare(strict_types = 1);
+
+namespace Wavevision\Utils;
+
+use finfo;
+use Nette\IOException;
+use Nette\SmartObject;
+use Nette\Utils\DateTime;
+
+class FileInfo
+{
+
+	use SmartObject;
+
+	private string $pathName;
+
+	private string $baseName;
+
+	private string $extension;
+
+	private string $contentType;
+
+	private int $size;
+
+	private DateTime $mtime;
+
+	public function __construct(string $pathName)
+	{
+		if (!is_file($pathName)) {
+			throw new IOException(sprintf("File '%s' not found.", $pathName));
+		}
+		$this->pathName = $pathName;
+		$this->baseName = basename($pathName);
+		$this->extension = pathinfo($pathName, PATHINFO_EXTENSION);
+		$this->contentType = (string)(new finfo(FILEINFO_MIME_TYPE))->file($pathName);
+		$this->size = (int)filesize($pathName);
+		$this->mtime = (new DateTime())->setTimestamp((int)filemtime($pathName));
+	}
+
+	public function getPathName(): string
+	{
+		return $this->pathName;
+	}
+
+	public function getBaseName(): string
+	{
+		return $this->baseName;
+	}
+
+	public function getExtension(): string
+	{
+		return $this->extension;
+	}
+
+	public function getContentType(): string
+	{
+		return $this->contentType;
+	}
+
+	public function getSize(): int
+	{
+		return $this->size;
+	}
+
+	public function getMtime(): DateTime
+	{
+		return $this->mtime;
+	}
+
+}

tests/UtilsTests/FileInfoTest.php

@@ -0,0 +1,32 @@
+<?php declare(strict_types = 1);
+
+namespace Wavevision\UtilsTests;
+
+use Nette\IOException;
+use Nette\Utils\DateTime;
+use PHPUnit\Framework\TestCase;
+use Wavevision\Utils\FileInfo;
+
+class FileInfoTest extends TestCase
+{
+
+	public function testFileInfo(): void
+	{
+		$file = __DIR__ . '/file.txt';
+		$fileInfo = new FileInfo($file);
+		$this->assertEquals($file, $fileInfo->getPathName());
+		$this->assertEquals('file.txt', $fileInfo->getBaseName());
+		$this->assertEquals('txt', $fileInfo->getExtension());
+		$this->assertEquals(5, $fileInfo->getSize());
+		$this->assertEquals('text/plain', $fileInfo->getContentType());
+		$this->assertInstanceOf(DateTime::class, $fileInfo->getMtime());
+	}
+
+	public function testNotFound(): void
+	{
+		$this->expectException(IOException::class);
+		$this->expectExceptionMessage("File '42' not found.");
+		new FileInfo('42');
+	}
+
+}

tests/UtilsTests/file.txt

@@ -0,0 +1 @@
+hello