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https://github.com/donutdan4114/shopify

Shopify PHP SDK to easily interact with the Shopify API.
https://github.com/donutdan4114/shopify

shopify shopify-api shopify-php-sdk

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Shopify PHP SDK to easily interact with the Shopify API.

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README 

        
# Shopify PHP SDK

A simple Shopify PHP SDK for private apps to easily interact with the Shopify API.  

[![Travis Build Status](https://travis-ci.org/donutdan4114/shopify.svg?branch=master)](https://travis-ci.org/donutdan4114/shopify)



[Shopify API Documentation](https://docs.shopify.com/api) | [Packagist](https://packagist.org/packages/donutdan4114/shopify) | [Build Status](https://travis-ci.org/donutdan4114/shopify)



Features include:



* ability to easily GET, PUT, POST and DELETE resources

* process and validate incoming webhooks

* automatic rate limiting to avoid API calls from erroring



## Setup/Installation

Depends on [guzzlehttp/guzzle](https://packagist.org/packages/guzzlehttp/guzzle).  

Get via Composer...



Get a stable release:  

`composer require donutdan4114/shopify:v2020.01.*`



Get the latest unstable version:  

`composer require donutdan4114/shopify:dev-master`



## API Versions

This package now includes versions that match Shopify's API version naming convention.

Version format is `vYYYY.MM.V#` where increasing the `V#` will not break backwards compatibility.

Check the changelog in releases to see what changes may break backwards compatability.



## New in Version 2020.01

This update utilizes the new pagination system in the Shopify API. The `page` query param is no longer supported.

The "resource pager" which automatically loops through pages will handle this change automatically for you.



If you have custom code using the `page` param you'll need to update your code like:

```php

$client = new Shopify\PublicApp(/* $args */);



// Get the first 25 products.

$result = $client->get('products', ['query' => ['limit' => 25]]);



// If you're paginating in the same request directly after the first API call

// you can simply use the getNextPage() method.

if ($client->hasNextPage()){

  // Get the next 25 products.

  $result = $client->getNextPage();

}



// If you're doing multiple page requests or client requests you

// will need to keep track of the page_info params yourself.

$page_info = $client->getNextPageParams();



// To get the next page you can now just pass $page_info into the query.

// This will get the next 25 products ("limit" is automatically set).

$result = $client->get('products', ['query' => $page_info]);

```



## Private & Public Apps

You can use this library for private or public app creation. Using private apps is easier because their is no `access_token` required.

However, if you want to create a publicly accessible app, you must use the Public App system.



### Private App

Simply instantiate a private app with the `shop_domain`, `api_key`, `password`, and `shared_secret`.

```php

$client = new Shopify\PrivateApp($SHOPIFY_SHOP_DOMAIN, $SHOPIFY_API_KEY, $SHOPIFY_PASSWORD, $SHOPIFY_SHARED_SECRET);

$result = $client->get('shop');

```

### Public App

You must first setup a public app. [View documentation](https://docs.shopify.com/api/introduction/getting-started).

You need an authorization URL.



```php

session_start();

$client = new Shopify\PublicApp($_GET['shop'], $APP_API_KEY, $APP_SECRET);



// You set a random state that you will confirm later.

$random_state = 'client-id:' . $_SESSION['client_id'];



$client->authorizeUser('[MY_DOMAIN]/redirect.php', [

  'read_products',

  'write_products',

], $random_state);

```



At this point, the user is taken to their store to authorize the application to use their information.

If the user accepts, they are taken to the redirect URL.



```php

session_start();

$client = new Shopify\PublicApp($_GET['shop'], $APP_API_KEY, $APP_SECRET);



// Used to check request data is valid.

$client->setState('client-id:' . $_SESSION['client_id']);



if ($token = $client->getAccessToken()) {

  $_SESSION['shopify_access_token'] = $token;

  $_SESSION['shopify_shop_domain'] = $_GET['shop'];

  header("Location: dashboard.php");

}

else {

  die('invalid token');

}



```



It's at this point, in **dashboard.php** you could starting doing API request by setting the `access_token`.



```php

session_start();

$client = new Shopify\PublicApp($_SESSION['shopify_shop_domain'], $APP_API_KEY, $APP_SECRET);

$client->setAccessToken($_SESSION['shopify_access_token']);

$products = $client->getProducts();

```



---



## Methods

### GET

Get resource information from the API.

```php

$client = new Shopify\PrivateApp($SHOPIFY_SHOP_DOMAIN, $SHOPIFY_API_KEY, $SHOPIFY_PASSWORD, $SHOPIFY_SHARED_SECRET);

$result = $client->get('shop');

```

`$result` is a JSON decoded `stdClass`:

```

object(stdClass)#33 (1) {

  ["shop"]=>

  object(stdClass)#31 (44) {

    ["id"]=>

    int([YOUR_SHOP_ID])

    ["name"]=>

    string(15) "[YOUR_SHOP_NAME]"

    ["email"]=>

    string(22) "[YOUR_SHOP_EMAIL]"

    ["domain"]=>

    string(29) "[YOUR_SHOP_DOMAIN]"

    ...

  }

}

```

Get product IDs by passing query params:

```php

$result = $client->get('products', ['query' => ['fields' => 'id']]);

foreach($result->products as $product) {

  print $product->id;

}

```



### POST

Create new content with a POST request.

```php

$data = ['product' => ['title' => 'my new product']];

$result = $client->post('products', $data);

```



### PUT

Update existing content with a given ID.

```php

$data = ['product' => ['title' => 'updated product name']];

$result = $client->put('products/' . $product_id, $data);

```



### DELETE

Easily delete resources with a given ID.

```php

$client->delete('products/' . $product_id);

```



## Simple Wrapper

To make it easier to work with common API resources, there are several short-hand functions.

```php

// Get shop info.

$shop_info = $client->getShopInfo();



// Get a specific product.

$product = $client->getProduct($product_id);



// Delete a specific product.

$client->deleteProduct($product_id);



// Create a product.

$product = $client->createProduct(['title' => 'my new product']);



// Count products easily.

$count = $client->getProductsCount(['updated_at_min' => time() - 3600]);



// Easily get all products without having to worry about page limits.

$products = $client->getProducts();



// This will fetch all products and will make multiple requests if necessary.

// You can easily supply filter arguments.

$products = $client->getProducts(['query' => ['vendor' => 'MY_VENDOR']]);



// For ease-of-use, you should use the getResources() method to automatically handle Shopify's pagination.

// This will ensure that if there are over 250 orders, you get them all returned to you.

$orders = $client->getResources('orders', ['query' => ['fields' => 'id,billing_address,customer']]);



// If efficiency and memory limits are a concern,  you can loop over results manually.

foreach ($this->client->getResourcePager('products', 25) as $product) {

  // Fetches 25 products at a time.

  // If you have 500 products, this will create 20 separate requests for you.

  // PHP memory will only be storing 25 products at a time, which keeps thing memory-efficient.

}

```



## Parsing Incoming Webhooks

If you have a route setup on your site to accept incoming Shopify webhooks, you can easily parse the data and validate the contents.

There are two ways to validate webhooks: manually, or using the client.



```php

// Process webhook manually.

$webhook = new Shopify\IncomingWebhook($SHOPIFY_SHARED_SECRET);

try {

  $webhook->validate();

  $data = $webhook->getData();

} catch (Shopify\WebhookException $e) {

  // Errors means you should not process the webhook data.

  error_log($e->getMessage());

}



// Process webhook using the $client.

try {

  $data = $client->getIncomingWebhook($validate = TRUE);

} catch (Shopify\ClientException $e) {

  error_log($e->getMessage());

}

if (!empty($data)) {

  // Do something with the webhook data.

}

```



## Error Handling

Any API error will throw an instance of `Shopify\ClientException`.

```php

try {

  $response = $client->put('products/BAD_ID');

} catch (Shopify\ClientException $e) {

  // Get request errors.

  error_log($e->getErrors());

  // Get last response object.

  $last_response = $e->getLastResponse();

  $code = $e->getCode();

  $code = $last_response->getStatusCode();

}

```



## API Limit Handling

This class can handle API rate limiting for you based on Shopify's "leaky bucket" algorithm.

It will automatically slow down requests to not hit the rate limiter.

You can disabled this with:

```php

$client->rate_limit = FALSE;

```

You can put in your own rate limiting logic using the `$client->getCallLimit()` and `$client->callLimitReached()` methods.



## Testing

Tests can be run with `phpunit`.

Since the tests actually modify the connected store, you must explicitly allow tests to be run by settings `SHOPIFY_ALLOW_TESTS` environment variable to `TRUE`.

Without that, you will be get a message like:

```

Shopify tests cannot be run.

Running Shopify tests will delete all connected store info.

Set environment variable SHOPIFY_ALLOW_TESTS=TRUE to allow tests to be run.

```