Implementation for get campaigns endpoint.

src/Api/Campaigns.php

@@ -55,4 +55,27 @@ public function cancel($campaignId)
 
         return $response['body'];
     }
+
+    /**
+     * Get collection of items
+     * @param  array $fields
+     * @return [type]
+     */
+    public function get($type = 'sent', $fields = ['*'])
+    {
+        // filter anything that is not an available type
+        $type = in_array($type, ['sent', 'draft', 'outbox']) ? $type : 'sent';
+
+        $params = $this->prepareParams();
+
+        if ( ! empty($fields) && is_array($fields) && $fields != ['*']) {
+            $params['fields'] = $fields;
+        }
+
+        $response = $this->restClient->get($this->endpoint . '/' . $type, $params);
+
+        $entities = $this->generateCollection($response['body']);
+
+        return $entities;
+    }
 }

tests/CampaignsTest.php

@@ -30,4 +30,29 @@ public function create_campaign()
         $this->campaignsApi->delete($campaign->id);
     }
 
+    /** @test **/
+    public function get_campaigns()
+    {
+        // see drafts
+        $drafts = $this->campaignsApi->get('draft');
+
+        $this->assertContainsValue($drafts, 'status', 'draft');
+        $this->assertDoesNotContainValue($drafts, 'status', 'sent');
+        $this->assertDoesNotContainValue($drafts, 'status', 'outbox');
+
+        // see outbox
+        $outbox = $this->campaignsApi->get('outbox');
+
+        $this->assertContainsValue($outbox, 'status', 'outbox');
+        $this->assertDoesNotContainValue($outbox, 'status', 'sent');
+        $this->assertDoesNotContainValue($outbox, 'status', 'draft');
+
+        // see sent
+        $sent = $this->campaignsApi->get();
+
+        $this->assertContainsValue($sent, 'status', 'sent');
+        $this->assertDoesNotContainValue($sent, 'status', 'outbox');
+        $this->assertDoesNotContainValue($sent, 'status', 'draft');
+    }
+
 }

tests/MlTestCase.php

@@ -38,4 +38,28 @@ protected function addSubscribers($groupId, $count = 5)
         return $addedSubscribers->imported;
     }
 
+    protected function assertContainsValue($list, $key, $value)
+    {
+        return $this->assertTrue($this->containsValue($list, $key, $value));
+    }
+
+    protected function assertDoesNotContainValue($list, $key, $value)
+    {
+        return $this->assertFalse($this->containsValue($list, $key, $value));
+    }
+
+    protected function containsValue($list, $key, $value)
+    {
+        $found = false;
+
+        foreach ($list as $item) {
+            if ($item->$key === $value) {
+                $found = true;
+                break;
+            }
+        }
+
+        return $found;
+    }
+
 }