add articles endpoint

README.md

@@ -55,10 +55,36 @@ $api = new \Sysix\LexOffice\Api($apiKey, $httpClient);
 
 ## Endpoints
 
+
 ### Contact Endpoint
 ```php
 
 /** @var \Sysix\LexOffice\Api $api */
+$client = $api->article();
+
+// filters
+$client->size = 100;
+$client->sortDirection = 'DESC';
+
+$client->articleNumber = 'LXW-BUHA-2024-001';
+$client->gtin = '9783648170632';
+$client->type = 'PRODUCT';
+
+
+// get a page
+$response = $client->getPage(0);    
+
+// other methods
+$response = $client->get($entityId);
+$response = $client->create($data);
+$response = $client->update($entityId, $data);
+$response = $client->delete($entityId);
+
+```
+
+### Contact Endpoint
+```php
+
 $client = $api->contact();
 
 // filters

src/Api.php

@@ -11,6 +11,7 @@
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\UriInterface;
 use SensitiveParameter;
+use Sysix\LexOffice\Clients\Article;
 use Sysix\LexOffice\Clients\Contact;
 use Sysix\LexOffice\Clients\Country;
 use Sysix\LexOffice\Clients\CreditNote;
@@ -87,6 +88,11 @@ protected function createApiUri(string $resource): UriInterface
         return new Uri($this->apiUrl . '/' . $this->apiVersion . '/' . $resource);
     }
 
+    public function article(): Article
+    {
+        return new Article($this);
+    }
+
     public function contact(): Contact
     {
         return new Contact($this);

src/Clients/Article.php

@@ -0,0 +1,37 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Sysix\LexOffice\Clients;
+
+use Sysix\LexOffice\Clients\Traits\CreateTrait;
+use Sysix\LexOffice\Clients\Traits\DeleteTrait;
+use Sysix\LexOffice\Clients\Traits\GetTrait;
+use Sysix\LexOffice\Clients\Traits\UpdateTrait;
+use Sysix\LexOffice\PaginationClient;
+
+class Article extends PaginationClient
+{
+    use CreateTrait;
+    use DeleteTrait;
+    use GetTrait;
+    use UpdateTrait;
+
+    protected string $resource = 'articles';
+
+    public ?string $articleNumber = null;
+
+    public ?string $gtin = null;
+
+    /** can be "PRODUCT" or "SERVICE" */
+    public ?string $type = null;
+
+    protected function buildQueryParams(array $params): string
+    {
+        $params['articleNumber'] = $this->articleNumber;
+        $params['gtin'] = $this->gtin;
+        $params['type'] = $this->type;
+
+        return parent::buildQueryParams($params);
+    }
+}

tests/ApiTest.php

@@ -6,6 +6,7 @@
 
 use GuzzleHttp\Psr7\Response;
 use Psr\Http\Message\ResponseInterface;
+use Sysix\LexOffice\Clients\Article;
 use Sysix\LexOffice\Clients\Contact;
 use Sysix\LexOffice\Clients\Country;
 use Sysix\LexOffice\Clients\CreditNote;
@@ -40,6 +41,7 @@ public function testClients(): void
     {
         $stub = $this->createApiMockObject(new Response());
 
+        $this->assertInstanceOf(Article::class, $stub->article());
         $this->assertInstanceOf(Contact::class, $stub->contact());
         $this->assertInstanceOf(Country::class, $stub->country());
         $this->assertInstanceOf(CreditNote::class, $stub->creditNote());

tests/Clients/ArticleTest.php

@@ -0,0 +1,105 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Sysix\LexOffice\Tests\Clients;
+
+use Psr\Http\Message\ResponseInterface;
+use Sysix\LexOffice\Clients\Article;
+use Sysix\LexOffice\Tests\TestClient;
+
+class ArticleTest extends TestClient
+{
+    public function testGetPage(): void
+    {
+        [$api, $client] = $this->createClientMockObject(Article::class);
+
+        $response = $client->getPage(0);
+
+        $this->assertInstanceOf(ResponseInterface::class, $response);
+
+        $this->assertEquals('GET', $api->getRequest()->getMethod());
+        $this->assertEquals(
+            $api->apiUrl . '/v1/articles?page=0&size=100',
+            $api->getRequest()->getUri()->__toString()
+        );
+    }
+
+    public function testGetPageWithFilters(): void
+    {
+        [$api, $client] = $this->createClientMockObject(Article::class);
+
+        $client->articleNumber = 'LXW-BUHA-2024-001';
+        $client->gtin = '9783648170632';
+        $client->type = 'PRODUCT';
+
+        $client->getPage(0);
+
+        $this->assertEquals(
+            $api->apiUrl . '/v1/articles?page=0&articleNumber=LXW-BUHA-2024-001&gtin=9783648170632&type=PRODUCT&size=100',
+            $api->getRequest()->getUri()->__toString()
+        );
+    }
+
+    public function testCreate(): void
+    {
+        [$api, $client] = $this->createClientMockObject(Article::class);
+
+        $response = $client->create([
+            'title' => 'test'
+        ]);
+
+        $this->assertInstanceOf(ResponseInterface::class, $response);
+
+        $this->assertEquals('POST', $api->getRequest()->getMethod());
+        $this->assertEquals(
+            $api->apiUrl .  '/v1/articles',
+            $api->getRequest()->getUri()->__toString()
+        );
+    }
+
+    public function testGet(): void
+    {
+        [$api, $client] = $this->createClientMockObject(Article::class);
+
+        $response = $client->get('resource-id');
+
+        $this->assertInstanceOf(ResponseInterface::class, $response);
+
+        $this->assertEquals('GET', $api->getRequest()->getMethod());
+        $this->assertEquals(
+            $api->apiUrl . '/v1/articles/resource-id',
+            $api->getRequest()->getUri()->__toString()
+        );
+    }
+
+    public function testUpdate(): void
+    {
+        [$api, $client] = $this->createClientMockObject(Article::class);
+
+        $response = $client->update('resource-id', []);
+
+        $this->assertInstanceOf(ResponseInterface::class, $response);
+
+        $this->assertEquals('PUT', $api->getRequest()->getMethod());
+        $this->assertEquals(
+            $api->apiUrl . '/v1/articles/resource-id',
+            $api->getRequest()->getUri()->__toString()
+        );
+    }
+
+    public function testDelete(): void
+    {
+        [$api, $client] = $this->createClientMockObject(Article::class);
+
+        $response = $client->delete('resource-id');
+
+        $this->assertInstanceOf(ResponseInterface::class, $response);
+
+        $this->assertEquals('DELETE', $api->getRequest()->getMethod());
+        $this->assertEquals(
+            $api->apiUrl . '/v1/articles/resource-id',
+            $api->getRequest()->getUri()->__toString()
+        );
+    }
+}