Tag service (#145)

* Added Restful TagService

* Cannot where() and find() traits

Restful TagService doesn't seem to work with where and find.

src/Infusionsoft/Api/Rest/TagService.php

@@ -0,0 +1,69 @@
+<?php namespace Infusionsoft\Api\Rest;
+
+use Infusionsoft\Api\Rest\Traits\CannotCreate;
+use Infusionsoft\Api\Rest\Traits\CannotDelete;
+use Infusionsoft\Api\Rest\Traits\CannotFind;
+use Infusionsoft\Api\Rest\Traits\CannotSave;
+use Infusionsoft\Api\Rest\Traits\CannotSync;
+use Infusionsoft\Api\Rest\Traits\CannotWhere;
+use Infusionsoft\Infusionsoft;
+use Infusionsoft\InfusionsoftException;
+
+class TagService extends RestModel
+{
+    use CannotSync;
+    use CannotCreate;
+    use CannotSave;
+    use CannotDelete;
+    use CannotFind;
+    use CannotWhere;
+
+    public $full_url = 'https://api.infusionsoft.com/crm/rest/v1/tags';
+
+    public $return_key = 'tags';
+
+    public function __construct(Infusionsoft $client)
+    {
+        parent::__construct($client);
+    }
+
+    public function contacts()
+    {
+        $data = $this->client->restfulRequest('get', $this->getFullUrl($this->id . '/contacts'));
+        $this->fill($data);
+
+        return $this;
+    }
+
+    public function removeContacts($contactIds)
+    {
+        if (!is_array($contactIds)) {
+            throw new InfusionsoftException('Must be an array of contact ids');
+        } elseif (count($contactIds) > 100) {
+            throw new InfusionsoftException('A maximum of 100 contact ids can be modified at once');
+        }
+
+        $contactIds = ['ids' => implode(",", $contactIds)];
+
+        $response = $this->client->restfulRequest('delete', $this->getFullUrl($this->id . '/contacts'), $contactIds);
+
+        return $response;
+    }
+
+    public function addContacts($contactIds)
+    {
+        if (!is_array($contactIds)) {
+            throw new InfusionsoftException('Must be an array of contact ids');
+        } elseif (count($contactIds) > 100) {
+            throw new InfusionsoftException('A maximum of 100 contact ids can be modified at once');
+        }
+
+        $contacts = new \stdClass();
+        $contacts->ids = $contactIds;
+
+        $response = $this->client->restfulRequest('post', $this->getFullUrl($this->id . '/contacts'), $contacts);
+
+        return $response;
+    }
+
+}

src/Infusionsoft/Api/Rest/Traits/CannotFind.php

@@ -0,0 +1,13 @@
+<?php namespace Infusionsoft\Api\Rest\Traits;
+
+use Infusionsoft\InfusionsoftException;
+
+trait CannotFind {
+
+	public function find() {
+		throw new InfusionsoftException(
+			__CLASS__.' cannot use '.__FUNCTION__.' function.'
+		);
+	}
+
+}

src/Infusionsoft/Api/Rest/Traits/CannotWhere.php

@@ -0,0 +1,13 @@
+<?php namespace Infusionsoft\Api\Rest\Traits;
+
+use Infusionsoft\InfusionsoftException;
+
+trait CannotWhere {
+
+	public function where() {
+		throw new InfusionsoftException(
+			__CLASS__.' cannot use '.__FUNCTION__.' function.'
+		);
+	}
+
+}

src/Infusionsoft/Infusionsoft.php

@@ -517,6 +517,7 @@ public function __get($name)
             'orders',
             'products',
             'search',
+            'tags',
             'shipping',
             'webForms',
             'webTracking'
@@ -705,6 +706,14 @@ public function customfields()
         return $this->getRestApi('CustomFieldService');
     }
 
+    /**
+     * @return \Infusionsoft\Api\Rest\TagService
+     */
+    public function tags()
+    {
+        return $this->getRestApi('TagService');
+    }
+
     /**
      * @return \Infusionsoft\Api\Rest\TransactionService
      */