Add GET route to single contact.

appinfo/routes.php

@@ -167,6 +167,16 @@ $this->create('contacts_contact_save_property', 'addressbook/{backend}/{addressb
 	)
 	->requirements(array('backend', 'addressbook', 'contactid'));
 
+$this->create('contacts_contact_get', 'addressbook/{backend}/{addressbookid}/contact/{contactid}/')
+	->get()
+	->action(
+		function($params) {
+			session_write_close();
+			Main::main('ContactController', 'getContact', $params, new DIContainer());
+		}
+	)
+	->requirements(array('backend', 'addressbook', 'contactid'));
+
 // Save all properties. Used for merging contacts.
 $this->create('contacts_contact_save_all', 'addressbook/{backend}/{addressbookid}/contact/{contactid}/save')
 	->post()

lib/controller/contactcontroller.php

@@ -24,6 +24,34 @@ use OCA\AppFramework\Core\API;
  */
 class ContactController extends BaseController {
 
+	/**
+	 * @IsAdminExemption
+	 * @IsSubAdminExemption
+	 * @Ajax
+	 */
+	public function getContact() {
+		$app = new App($this->api->getUserId());
+
+		$request = $this->request;
+		$response = new JSONResponse();
+
+		$contact = $app->getContact(
+			$request->parameters['backend'],
+			$request->parameters['addressbookid'],
+			$request->parameters['contactid']
+		);
+
+		if(!$contact) {
+			$response->bailOut(App::$l10n->t('Couldn\'t find contact.'));
+		}
+
+		$data = JSONSerializer::serializeContact($contact);
+
+		$response->setParams($data);
+
+		return $response;
+	}
+
 	/**
 	 * @IsAdminExemption
 	 * @IsSubAdminExemption