Issue #2667956 by thechanceg, Mile23, navneet0693, joachim, marvil07, justAChris: Set default config values during install

Author: thechanceg

cron_example/config/install/cron_example.settings.yml

@@ -0,0 +1,4 @@
+# Default form values for \Drupal\cron_example\Form\CronExampleForm.
+# @see examples/cron_example/config/schema/cron_example.schema.yml
+# @see \Drupal\cron_example\Form\CronExampleForm::getEditableConfigNames()
+interval: 300

cron_example/config/schema/cron_example.schema.yml

@@ -0,0 +1,12 @@
+# Set configuration defaults. This schema describes the cron_example.settings
+# config. The defaults for this config are set in
+# config/install/cron_example.settings.yml and then used by
+# \Drupal\cron_example\Form\CronExampleForm.
+# @see https://www.drupal.org/node/1905070
+cron_example.settings:
+  type: config_object
+  label: 'Cron Example settings'
+  mapping:
+    interval:
+      type: integer
+      label: 'Period between cron runs'

cron_example/cron_example.module

@@ -28,7 +28,7 @@
  */
 function cron_example_cron() {
   // We access our configuration.
-  $cron_config = \Drupal::configFactory()->getEditable('examples.cron');
+  $cron_config = \Drupal::configFactory()->getEditable('cron_example.settings');
   // Default to an hourly interval. Of course, cron has to be running at least
   // hourly for this to work.
   $interval = $cron_config->get('interval');

cron_example/src/Form/CronExampleForm.php

@@ -80,7 +80,7 @@ public function getFormId() {
    * {@inheritdoc}
    */
   public function buildForm(array $form, FormStateInterface $form_state) {
-    $config = $this->configFactory->get('examples.cron');
+    $config = $this->configFactory->get('cron_example.settings');
 
     $form['status'] = [
       '#type' => 'details',
@@ -187,7 +187,7 @@ public function buildForm(array $form, FormStateInterface $form_state) {
    * Allow user to directly execute cron, optionally forcing it.
    */
   public function cronRun(array &$form, FormStateInterface &$form_state) {
-    $config = $this->configFactory->getEditable('examples.cron');
+    $config = $this->configFactory->getEditable('cron_example.settings');
 
     $cron_reset = $form_state->getValue('cron_reset');
     if (!empty($cron_reset)) {
@@ -239,7 +239,7 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
     // Update the interval as stored in configuration. This will be read when
     // this modules hook_cron function fires and will be used to ensure that
     // action is taken only after the appropiate time has elapsed.
-    $this->configFactory->getEditable('examples.cron')
+    $this->configFactory->getEditable('cron_example.settings')
       ->set('interval', $form_state->getValue('cron_example_interval'))
       ->save();
 
@@ -250,7 +250,7 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
    * {@inheritdoc}
    */
   protected function getEditableConfigNames() {
-    return ['examples.cron'];
+    return ['cron_example.settings'];
   }
 
 }

cron_example/tests/src/Functional/CronExampleTest.php

@@ -15,7 +15,7 @@
 class CronExampleTest extends ExamplesBrowserTestBase {
 
   /**
-   * An editable config object for access to 'examples.cron'.
+   * An editable config object for access to 'cron_example.settings'.
    *
    * @var \Drupal\Core\Config\Config
    */
@@ -37,7 +37,7 @@ public function setUp() {
     // be shown.
     $this->drupalLogin($this->drupalCreateUser(['administer site configuration', 'access content']));
 
-    $this->cronConfig = \Drupal::configFactory()->getEditable('examples.cron');
+    $this->cronConfig = \Drupal::configFactory()->getEditable('cron_example.settings');
   }
 
   /**