Issue #56: Extract new method loadSettings().

src/Cool/CollaboraConnection.php

@@ -59,10 +59,7 @@ public function __construct(
    *   that of the current Drupal request.
    */
   protected function getWopiClientServerBaseUrl(): string {
-    $cool_settings = $this->configFactory->get('collabora_online.settings')->get('cool');
-    if (!$cool_settings) {
-      throw new CollaboraNotAvailableException('The Collabora Online connection is not configured.');
-    }
+    $cool_settings = $this->loadSettings();
     $wopi_client_server = $cool_settings['server'] ?? NULL;
     if (!$wopi_client_server) {
       throw new CollaboraNotAvailableException('The configured Collabora Online server address is empty.');
@@ -91,10 +88,7 @@ protected function getWopiClientServerBaseUrl(): string {
   public function getDiscoveryXml(): string {
     $discovery_url = $this->getWopiClientServerBaseUrl() . '/hosting/discovery';
 
-    $cool_settings = $this->configFactory->get('collabora_online.settings')->get('cool');
-    if (!$cool_settings) {
-      throw new CollaboraNotAvailableException('The Collabora Online connection is not configured.');
-    }
+    $cool_settings = $this->loadSettings();
     $disable_checks = !empty($cool_settings['disable_cert_check']);
 
     try {
@@ -118,4 +112,21 @@ public function getDiscoveryXml(): string {
     return $xml;
   }
 
+  /**
+   * Loads the relevant configuration.
+   *
+   * @return array
+   *   Configuration.
+   *
+   * @throws \Drupal\collabora_online\Exception\CollaboraNotAvailableException
+   *   The module is not configured.
+   */
+  protected function loadSettings(): array {
+    $cool_settings = $this->configFactory->get('collabora_online.settings')->get('cool');
+    if (!$cool_settings) {
+      throw new CollaboraNotAvailableException('The Collabora Online connection is not configured.');
+    }
+    return $cool_settings;
+  }
+
 }