Commit6185887

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uploading example: explaining the need for md5

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Lines changed: 13 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -136,8 +136,7 @@ Finally, you need to update the code of the controller that handles the form::`
`136`	`136`	`/** @var Symfony\Component\HttpFoundation\File\UploadedFile $file */`
`137`	`137`	`$file = $product->getBrochure();`
`138`	`138`
`139`		`- // Generate a unique name for the file before saving it`
`140`		`- $fileName = md5(uniqid()).'.'.$file->guessExtension();`
	`139`	`+ $fileName = $this->generateUniqueFileName().'.'.$file->guessExtension();`
`141`	`140`
`142`	`141`	`// Move the file to the directory where brochures are stored`
`143`	`142`	`$file->move(`
`@@ -158,6 +157,18 @@ Finally, you need to update the code of the controller that handles the form::`
`158`	`157`	`'form' => $form->createView(),`
`159`	`158`	`));`
`160`	`159`	`}`
	`160`	`+`
	`161`	`+ /**`
	`162`	`+ * @return string`
	`163`	`+ */`
	`164`	`+ private function generateUniqueFileName()`
	`165`	`+ {`
	`166`	`+ // uniqid() is based on timestamp,`
	`167`	`+ // so it creates similar and predictible file names as a result.`
	`168`	`+ // md5() is used to guarantee equal distribuition`
	`169`	`+ // and smaller predictibility of the file names.`
	`170`	`+ return md5(uniqid());`
	`171`	`+ }`
`161`	`172`	`}`
`162`	`173`
`163`	`174`	Now, create the ``brochures_directory`` parameter that was used in the

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