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eloquent-external-storage

Adds external storage capabilities to an eloquent model.

Features

• Save/retrieve model-related content to an external storage using setContent(), getContent() methods on the eloquent model. Now you can move all that binary data out of the database without having to move a finger.
• Storage supports different drivers, currently file and Amazon AWS S3 are implemented
• Different models can implement different storage drivers, separate configurations
• Storage drivers can be updated on the fly.

Installation

Add package as a composer dependency

In your composer.json file, include

and then run

composer update --no-scripts inakianduaga/laravel-html-builder-extensions

to install the package

Database configuration

The storage driver needs three additional fields, where it stores the content path, an md5 checksum of the contents, and the driver class used to store the contents.

• A migration example is provided under src/migration.
• The database field names can be custom-named, simply modify the model's $databaseFields property

Configuration

Each model (class) that needs external storage must have a configuration set, controlled by model properties:

Choosing / changing a storage driver dynamically

If you want to switch storage drivers dynamically for a given model, you can do so by using the model's setStorageDriver(StorageDriver $driver, $storageDriverConfigurationPath = null) method. This will use the given driver with the chosen configuration path (or leave the current config path if null)

Drivers configuration

The package provides placeholder configurations for the different included drivers. In the laravel installation root folder, run

php artisan config:publish inakianduaga/eloquent-external-storage

You can then modify the placeholder values in the files

• Aws S3 driver: app/config/packages/inakianduaga/eloquent-external-storage/awsS3.php
• File driver app/config/packages/inakianduaga/eloquent-external-storage/file.php

Note that you should set the models $storageDriverConfigPath property to point to inakianduaga/eloquent-external-storage::awsS3 for the example above, when using S3.

Usage:

• Simply extend InakiAnduaga\EloquentExternalStorage\Models\AbstractModelWithExternalStorage in your eloquent model (or use the trait InakiAnduaga\EloquentExternalStorage\Models\ModelWithExternalStorageTrait if you can't use class extension.

  • In the extended model, set driver/database config properties (see above).
• To attach/retrieve external content associated to a model
  • Use setContent method on the model to set the content (will be actually saved on update/save/creation)
  • Use getContent to retrieve the actual contents

Development & Testing

Requirements

• Install node & npm, afterwards run npm install to install development tools

• Install sqlite driver for running tests

  • Ubuntu: sudo apt-get install sqlite3 libsqlite3-dev and afterwards sudo apt-get install php5-sqlite

Tools

There are several commands related to testing

• gulp test : runs unit tests once
• gulp tdd : runs unit tests continuously once changes are detected

Both options have the ability to generate a code coverage report in different formats. When this is selected, a local server will be launched to visualize the coverage report

Testing AWS S3 Driver

• Locally: Valid AWS S3 credentials can be provided via tests/.env file, see tests/.env.example as an example. If no credentials are set, the AWS S3 tests will be skipped
• CI: Travis CI integration is performed by passing encrypted credentials in travis.yml (valid only for inakianduaga/eloquent-external-storage repo).
• Amazon S3 testing in Travis CI

Tests Coverage report

• gulp test --generateCoverage=coverageHtml to generate html code coverage report (under ./coverage folder)

Documentation generation

• The package code documentation can be generated by running gulp docs, which generates the docs in the ./docs folder