Add initial /daily page content

modules/opd_daily_emails/opd_daily_emails.module

@@ -30,6 +30,20 @@ function opd_daily_emails_entity_presave(Drupal\Core\Entity\EntityInterface $ent
   \Drupal::service(AddRandomCtaToDailyEmail::class)($entity);
 }
 
+/**
+ * Implements hook_form_FORM_ID_alter().
+ *
+ * @param array{'#action': string, '#attributes': array<non-empty-string, mixed>} $form
+ */
+function opd_daily_emails_form_opd_daily_emails_kit_subscription_form_alter(array &$form): void {
+  $form['#action'] = 'https://app.convertkit.com/forms/3546728/subscriptions';
+
+  $form['#attributes']['data-format'] = 'inline';
+  $form['#attributes']['data-sv-form'] = '3546728';
+  $form['#attributes']['data-uid'] = 'f0c1d2b57f';
+  $form['#attributes']['data-version'] = 5;
+}
+
 /**
  * Implements hook_token_info().
  *

modules/opd_daily_emails/src/Form/KitSubscriptionForm.php

@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\opd_daily_emails\Form;
+
+use Drupal\Core\Form\FormBase;
+use Drupal\Core\Form\FormStateInterface;
+
+final class KitSubscriptionForm extends FormBase {
+
+  public function getFormId(): string {
+    return 'opd_daily_emails_kit_subscription_form';
+  }
+
+  /**
+   * @param array<non-empty-string, array{}> $form
+   * @param FormStateInterface $formState
+   *
+   * @return array<non-empty-string, mixed>
+   */
+  public function buildForm(array $form, FormStateInterface $formState): array {
+    $form['email_address'] = [
+      '#placeholder' => 'me@example.com',
+      '#title' => $this->t('What is your best email address?'),
+      '#type' => 'email',
+    ];
+
+    $form['actions']['submit'] = [
+      '#attributes' => [
+        'class' => ['inline-flex justify-center items-center py-3 px-6 w-full font-medium text-white no-underline rounded-md border duration-200 ease-in-out hover:bg-white focus:bg-white border-blue-primary bg-blue-primary transition-color hover:text-blue-primary focus:text-blue-primary'],
+        'data-element' => 'submit',
+      ],
+      '#type' => 'button',
+      '#value' => $this->t('Get daily emails') . ' →',
+    ];
+
+    return $form;
+  }
+
+  /**
+   * @param array<non-empty-string, mixed> $form
+   * @param FormStateInterface $formState
+   */
+  public function submitForm(array &$form, FormStateInterface $formState): void {
+  }
+
+}

modules/opd_daily_emails/src/Plugin/Block/KitSubscriptionFormBlock.php

@@ -0,0 +1,59 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\opd_daily_emails\Plugin\Block;
+
+use Drupal\Core\Block\Attribute\Block;
+use Drupal\Core\Block\BlockBase;
+use Drupal\Core\Form\FormBuilderInterface;
+use Drupal\Core\Plugin\ContainerFactoryPluginInterface;
+use Drupal\Core\StringTranslation\TranslatableMarkup;
+use Drupal\opd_daily_emails\Form\KitSubscriptionForm;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+#[Block(
+  admin_label: new TranslatableMarkup("Kit Subscription Block"),
+  category: new TranslatableMarkup("Daily emails"),
+  id: "opd_daily_emails_kit_subscription_block",
+)]
+final class KitSubscriptionFormBlock extends BlockBase implements ContainerFactoryPluginInterface {
+
+  /**
+   * @param array<string, mixed> $configuration
+   * @param string $pluginId
+   * @param array<string, mixed> $pluginDefinition
+   * @param FormBuilderInterface $formBuilder
+   */
+  public function __construct(
+    array $configuration,
+    string $pluginId,
+    array $pluginDefinition,
+    private FormBuilderInterface $formBuilder,
+  ) {
+    parent::__construct($configuration, $pluginId, $pluginDefinition);
+  }
+
+  /**
+   * @return array<non-empty-string, mixed>
+   */
+  public function build(): array {
+    return $this->formBuilder->getForm(KitSubscriptionForm::class);
+  }
+
+  /**
+   * @param ContainerInterface $container
+   * @param array<string, mixed> $configuration
+   * @param string $pluginId
+   * @param array<string, mixed> $pluginDefinition
+   */
+  public static function create(ContainerInterface $container, array $configuration, $pluginId, $pluginDefinition): self {
+    return new static(
+      $configuration,
+      $pluginId,
+      $pluginDefinition,
+      $container->get(FormBuilderInterface::class),
+    );
+  }
+
+}