Feature/sender address in digital post

CHANGELOG.md

@@ -14,6 +14,7 @@ before starting to add changes. Use example [placed in the end of the page](#exa
 - [PR-301](https://github.com/OS2Forms/os2forms/pull/301)
   Add address information to Digital Post shipments to ensure "*fjernprint*"
   can be sent.
+- Add option to add sender (address) to Digital Post shipments.
 
 ## [5.0.0] 2025-11-18
 

modules/os2forms_digital_post/README.md

@@ -96,17 +96,23 @@ also means that it is up to individual installations to style it correctly.
 This should be done in OS2Forms Attachment-templates, see
 [Overwriting templates](https://github.com/OS2Forms/os2forms/tree/develop/modules/os2forms_attachment#overwriting-templates).
 
-To see the exact requirements for address placement, see
+Furthermore, a single-line sender address may be configured on the handler.
+The value of this field will be injected into the HTML as a sender address,
+which should be placed within the envelope window just above the recipient
+address. As with the recipient information, it is up to individual
+installations to style it correctly.
+
+To see the exact requirements for address and sender placement, see
 [digst_a4_farve_ej_til_kant_demo_ny_rudeplacering.pdf](docs/digst_a4_farve_ej_til_kant_demo_ny_rudeplacering.pdf).
 
 ### The injected HTML
 
-Variations of the injected HTML include extended addresses and c/o.
+Variations of the injected HTML include extended addresses, c/o and sender
+address.
 
-Without extended address information or c/o:
+Without extended address information, c/o or sender address:
 
 ```html
-
 <div id="envelope-window-digital-post">
   <div class="h-card">
     <div class="p-name">Jeppe</div>
@@ -131,7 +137,6 @@ With just an extended address:
 With just c/o:
 
 ```html
-
 <div id="envelope-window-digital-post">
   <div class="h-card">
     <div class="p-name">Jeppe</div>
@@ -141,10 +146,25 @@ With just c/o:
 </div>
 ```
 
-With extended address information and c/o:
+With just the sender address:
 
 ```html
 <div id="envelope-window-digital-post">
+  <div id="sender-address-digital-post">Dokk1, Hack Kampmanns Plads 2, 8000 Aarhus C</div>
+  <div class="h-card">
+    <div class="p-name">Jeppe</div>
+    <div><span class="p-street-address">Test vej HouseNr</span></div>
+    <div><span class="p-postal-code">2100</span> <span class="p-locality">Copenhagen</span></div>
+  </div>
+</div>
+```
+
+
+With extended address information, c/o and sender address:
+
+```html
+<div id="envelope-window-digital-post">
+  <div id="sender-address-digital-post">Dokk1, Hack Kampmanns Plads 2, 8000 Aarhus C</div>
   <div class="h-card">
     <div class="p-name">Jeppe</div>
     <div class="p-name">c/o Mikkel</div>
@@ -218,7 +238,7 @@ footer {
 }
 
 // Style the h-card div
-#envelope-window-digital-post > div {
+#envelope-window-digital-post > .h-card {
   position: absolute;
   top: 16mm;
   left: 4mm;
@@ -227,5 +247,15 @@ footer {
   width: $recipient-window-width;
 }
 
+// Style the sender address div
+#envelope-window-digital-post > #sender-address-digital-post {
+  position: absolute;
+  top: 12mm;
+  left: 4mm;
+  font-size: 8px;
+  height: 4mm;
+  width: 71mm;
+}
+
 // More custom styling...
 ```

modules/os2forms_digital_post/src/EventSubscriber/Os2formsDigitalPostSubscriber.php

@@ -31,7 +31,16 @@
       $submission = $event->getEntities()[0];
       if ($submission instanceof WebformSubmissionInterface) {
         // Check whether generation is for digital post.
-        if ($lookupResult = $this->getDigitalPostContext($submission)) {
+        if ($context = $this->getDigitalPostContext($submission)) {
+          $lookupResult = $context['lookupResult'] ?? NULL;
+          if (!$lookupResult instanceof CprLookupResult && !$lookupResult instanceof CompanyLookupResult) {
+            return;
+          }
+
+          $senderAddress = $context['senderAddress'] ?? '';
+          if (!is_string($senderAddress)) {
+            $senderAddress = '';
+          }
 
           // Combine address parts.
           $streetAddress = $lookupResult->getStreet();
@@ -52,7 +61,11 @@
           }
 
           // Generate address HTML.
-          $addressHtml = '<div id="envelope-window-digital-post"><div class="h-card">';
+          $addressHtml = '<div id="envelope-window-digital-post">';
+          if (!empty($senderAddress)) {
+            $addressHtml .= '<div id="sender-address-digital-post">' . htmlspecialchars($senderAddress) . '</div>';
+          }
+          $addressHtml .= '<div class="h-card">';
           $addressHtml .= '<div class="p-name">' . htmlspecialchars($lookupResult->getName()) . '</div>';
           if ($lookupResult instanceof CprLookupResult && $lookupResult->getCoName()) {
             $addressHtml .= '<div class="p-name p-co-name">c/o ' . htmlspecialchars($lookupResult->getCoName()) . '</div>';
@@ -90,15 +103,18 @@
   /**
    * Indicate Digital Post context in the current session.
    */
-  public function setDigitalPostContext(WebformSubmissionInterface $submission, CompanyLookupResult|CprLookupResult $lookupResult): void {
+  public function setDigitalPostContext(WebformSubmissionInterface $submission, CompanyLookupResult|CprLookupResult $lookupResult, string $senderAddress = ''): void {
     $key = $this->createSessionKeyFromSubmission($submission);
-    $this->session->set($key, $lookupResult);
+    $this->session->set($key, [
+      'lookupResult' => $lookupResult,
+      'senderAddress' => $senderAddress,
+    ]);
   }
 
   /**
    * Check for Digital Post context in the current session.
    */
-  public function getDigitalPostContext(WebformSubmissionInterface $submission): CompanyLookupResult|CprLookupResult|null {
+  public function getDigitalPostContext(WebformSubmissionInterface $submission): ?array {
     $key = $this->createSessionKeyFromSubmission($submission);
 
     return $this->session->get($key);

modules/os2forms_digital_post/src/Helper/AbstractMessageHelper.php

@@ -61,7 +61,8 @@ protected function getMainDocument(WebformSubmissionInterface $submission, array
     // @Drupal\entity_print\Renderer::generateHtml,
     // To indicate digital post context and get the necessary information,
     // we add a flag to the session.
-    $this->digitalPostSubscriber->setDigitalPostContext($submission, $recipientData);
+    $senderAddress = $handlerSettings[WebformHandlerSF1601::MEMO_MESSAGE][WebformHandlerSF1601::SENDER_ADDRESS] ?? '';
+    $this->digitalPostSubscriber->setDigitalPostContext($submission, $recipientData, $senderAddress);
     $content = $instance::getFileContent($element, $submission);
     $this->digitalPostSubscriber->deleteDigitalPostContext($submission);
 

modules/os2forms_digital_post/src/Plugin/WebformHandler/WebformHandlerSF1601.php

@@ -31,12 +31,18 @@ final class WebformHandlerSF1601 extends WebformHandlerBase {
   public const MESSAGE_HEADER_LABEL = 'message_header_label';
   public const RECIPIENT_ELEMENT = 'recipient_element';
   public const ATTACHMENT_ELEMENT = 'attachment_element';
+  public const SENDER_ADDRESS = 'sender_address';
 
   /**
    * Maximum length of sender label.
    */
   private const SENDER_LABEL_MAX_LENGTH = 64;
 
+  /**
+   * Maximum length of sender address.
+   */
+  private const SENDER_ADDRESS_MAX_LENGTH = 70;
+
   /**
    * Maximum length of header label.
    */
@@ -131,6 +137,15 @@ public function buildConfigurationForm(array $form, FormStateInterface $formStat
       '#maxlength' => self::MESSAGE_HEADER_LABEL_MAX_LENGTH,
     ];
 
+    $form[self::MEMO_MESSAGE][self::SENDER_ADDRESS] = [
+      '#type' => 'textfield',
+      '#title' => $this->t('Sender address'),
+      '#description' => $this->t('Optional sender address shown on the printed document. Displayed as a single line above the recipient name. Maximum @max characters.', ['@max' => self::SENDER_ADDRESS_MAX_LENGTH]),
+      '#required' => FALSE,
+      '#default_value' => $this->configuration[self::MEMO_MESSAGE][self::SENDER_ADDRESS] ?? NULL,
+      '#maxlength' => self::SENDER_ADDRESS_MAX_LENGTH,
+    ];
+
     $form[self::MEMO_ACTIONS] = [
       '#type' => 'fieldset',
       '#title' => $this->t('Actions'),