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Laravel Paperclip: File Attachment Solution

Allows you to attach files to Eloquent models.

This is a re-take on CodeSleeve's Stapler. It is mainly intended to be more reusable and easier to adapt to different Laravel versions. Despite the name, this should not be considered a match for Ruby's Paperclip gem.

Instead of tackling file storage itself, it uses Laravel's internal storage drivers and configuration.

This uses czim/file-handling under the hood, and any of its (and your custom written) variant manipulations may be used with this package.

Version Compatibility

Change log

View the changelog.

Installation

Via Composer:

Autodiscover may be used to register the service provider automatically. Otherwise, you can manually register the service provider in config/app.php:

Publish the configuration file:

Set up and Configuration

Model Preparation

Modify the database to add some columns for the model that will get an attachment. Use the attachment key name as a prefix.

An example migration:

Replace attachmentname here with the name of the attachment.
These attributes should be familiar if you've used Stapler before.

A <key>_variants text or varchar column is optional:

A text() column is recommended in cases where a seriously huge amount of variants are created.

If it is added and configured to be used (more on that in the config section), JSON information about variants will be stored in it.

Attachment Configuration

To add an attachment to a model:

• Make it implement Czim\Paperclip\Contracts\AttachableInterface.
• Make it use the Czim\Paperclip\Model\PaperclipTrait.
• Configure attachments in the constructor (very similar to Stapler)

Since version 2.5.7 it is also possible to use an easier to use fluent object syntax for defining variant steps:

Variant Configuration

For the most part, the configuration of variants is nearly identical to Stapler, so it should be easy to make the transition either way.

Since version 2.6, Stapler configuration support is disabled by default, but legacy support for this may be enabled by setting the paperclip.config.mode to 'stapler'.

Get more information on configuration here.

Custom Variants

The file handler comes with a few common variant strategies, including resizing images and taking screenshots from videos. It is easy, however, to add your own custom strategies to manipulate files in any way required.

Variant processing is handled by the file-handler package. Check out its source to get started writing custom variant strategies.

Storage configuration

You can configure a storage location for uploaded files by setting up a Laravel storage (in config/filesystems.php), and registering it in the config/paperclip.php config file.

Make sure that paperclip.storage.base-urls.<your storage disk> is set, so valid URLs to stored content are returned.

Hooks Before and After Processing

It is possible to 'hook' into the paperclip goings on when files are processed. This may be done by using the before and/or after configuration keys. Before hooks are called after the file is uploaded and stored locally, but before variants are processed; after hooks are called when all variants have been processed.

More information and examples are in the Config section.

Refreshing models

When changing variant configurations for models, you may reprocess variants from previously created attachments with the paperclip:refresh Artisan command.

Example:

Usage

Once a model is set up and configured for an attachment, you can simply set the attachment attribute on that model to create an attachment.

Setting attachments without uploads

Usually, you will want to set an uploaded file as an attachment. If you want to store a file from within your application, without the context of a request or a file upload, you can use the following approach:

Clearing attachments

In order to prevent accidental deletion, setting the attachment to null will not destroy a previously stored attachment. Instead you have to explicitly destroy it.

Differences with Stapler

• Paperclip does not handle (s3) storage internally, as Stapler did. All storage is performed through Laravel's storage solution. You can still use S3 (or any other storage disk), but you will have to configure it in Laravel's storage configuration first.
  It is possible to use different storage disks for different attachments.

• Paperclip might show slightly different behavior when storing a string value on the attachment attribute. It will attempt to interpret the string as a URI (or a dataURI), and otherwise treat the string as raw text file content.

If you wish to force storing the contents of a URL without letting Paperclip interpret it, you have some options. You can use the Czim\FileHandling\Storage\File\StorableFileFactory@makeFromUrl method and its return value.
Or, you can download the contents yourself and store them in a Czim\FileHandling\Storage\File\RawStorableFile (e.g.: (new RawStorableFile)->setData(file_get_contents('your-URL-here'))). You can also download the file to local disk, and store it on the model through an \SplFileInfo instance (see examples on the main readme page).

• The convert_options configuration settings are no longer available. Conversion options are now handled at the level of the variant strategies.
  You can set them per attachment configuration, or modify the variant strategy to use a custom global configuration.

• The refresh command (php artisan paperclip:refresh) is very similar to stapler's refresh command, but it can optionally take a --start # and/or --stop # option, with ID numbers. This makes it possible to refresh only a subset of models.
  Under the hood, the refresh command is also much less likely to run out of memory (it uses a generator to process models in chunks).

• The Paperclip trait uses its own Eloquent boot method, not the global Model's boot(). This makes Paperclip less likely to conflict with other traits and model implementations.

Amazon S3 cache-control

If you use Amazon S3 as storage disk for your attachments, note that you can set Cache-Control headers in the options for the filesystems.disks.s3 configuration key. For example, to set max-age headers on all uploaded files to S3, edit config/filesystems.php like so:

Upgrade Guide

Upgrading from 1.5. to 2.5.

Estimated Upgrade Time: 5 - 10 Minutes

Updating Dependencies

Update your czim/laravel-paperclip dependency to ^2.5 in your composer.json file.

Then, in your terminal run:

In addition, if you are using the czim/file-handling package directly, you should upgrade the package to its ^1,0 release, but be sure to checkout the CHANGELOG

Update Configuration

Update your config/paperclip.php file and replace:

With:

This should now include placeholders to make a full file path including the filename, as opposed to only a directory. Note that this makes the path interpolation logic more in line with the way Stapler handled it.

Contributing

Please see CONTRIBUTING for details.

Credits

• All Contributors

License

The MIT License (MIT). Please see License File for more information.