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php-allegro-rest-api-v2

Second version of a simple interface for Allegro REST API resources. Built on top of https://github.com/Wiatrogon/php-allegro-rest-api, which was rewritten for the most part.

Main differences are:

• uses HTTPlug / PSR-7 for HTTP communication
• contains previously missing features (image upload)
• both authorization code and client credentials flows are supported (device flow could be also easily implemented, as authorization is now separated from main API component)
• is flexible (custom headers, custom middleware)

0. Installation

PHP Allegro REST API uses HTTPlug, and...

If a library depends on HTTPlug, it requires the virtual package php-http/client-implementation. A virtual package is used to declare that the library needs an implementation of the HTTPlug interfaces, but does not care which implementation specifically.

I recommend guzzle6 adapter, so run the following command before installing the PHP Allegro REST API library itself:

Now you're ready to run:

Note that you don't need to inject HTTP client and message factory into API client - HTTPlug uses discovery to find implementations automatically.

If you want to pass client / message factory explicitly to the API client, you can still do that (see Api.php constructor method).

1. Registering your app

In order to use Allegro REST API, you have to register your application (if you haven't done that already - see https://developer.allegro.pl/auth/#app).

2. Authorization

First, you need to get an authorization token. There are two different token managers provided for different types of authorization flows. Use one of them to get a token.

2.1. Authorization code flow

Learn how it works here: https://developer.allegro.pl/auth/#user

To use it with PHP Allegro REST API, do the following:

2.2. Client credentials flow

Client credentials flow doesn't require a user's permission. It's mostly used for accessing public data (searching offers, getting categories tree). Read more here: https://developer.allegro.pl/auth/#clientCredentialsFlow

2.3. Device flow

Device flow isn't supported right now. But you could always write your token manager and use the received token with API as usual. Read more here: https://developer.allegro.pl/auth/#DeviceFlow

3. Refreshing tokens

Authorization code tokens can be refreshed (see https://developer.allegro.pl/auth/#refresh-token).

4. Basic usage

4.1. Initializing

4.2. GET method

4.3. POST method

4.4. PUT method

4.5. DELETE method

4.6. Command

Some resources in API are only accesible using command pattern (read more here https://developer.allegro.pl/command/).

In the example above, UUID is generated automatically. If you want, you can generate it yourself, and pass it as an argument:

5. Headers

You can alter headers being sent with your requests. You can do it on request basis, or once for all subsequent requests.

5.1. Why alter headers?

You may want to alter headers for several different reasons, mainly:

• if you want messages from API returned in Polish (add Accept-Language: pl-PL)
• if you want to access beta methods (read more here https://developer.allegro.pl/about/#beta)

5.2. Send a single request with custom headers

5.3. Set custom headers for subsequent requests

5.3.1. Replacing headers

Note that there are some custom headers set by default (Content-Type: application/vnd.allegro.public.v1+json and Accept: application/vnd.allegro.public.v1+json). If you want to replace them, use setCustomHeaders():

5.3.2. Adding headers

If you want to add one or more custom headers, use addCustomHeaders():

Note that existing custom headers won't be replaced when using this method.

6. Middleware

PHP Allegro REST API has a middleware feature, that allows you to alter requests and responses any way you like.

At this point, there's only one 'real' built-in middleware - ImageUploadMiddleware that alters request's URI in case of image upload request (from standard api.allegro.pl to image upload-specific upload.allegro.pl).

6.1. Create your own middleware

You can create your own middleware by creating a class implementing Retrowaver\Allegro\REST\Middleware\MiddlewareInterface and passing it into API constructor:

7. Other stuff

7.1. Sandbox

If you want to use API with sandbox environment, use Sandbox instead of Api, SandboxAuthorizationCodeTokenManager instead of AuthorizationCodeTokenManager and SandboxClientCredentialsTokenManager instead of ClientCredentialsTokenManager.

7.2. Tests

7.2.1. Unit tests

Run unit tests with vendor/bin/phpunit tests --color.

7.2.2. Sandbox tests

tests-sandbox contains tests sending real HTTP requests to sandbox environment. If you want to run those, rename tests-sandbox/config.php.dist to tests-sandbox/config.php, insert your sandbox credentials, and then run vendor/bin/phpunit tests-sandbox --color.