dev/core#2895 handle case ids passed via url

CRM/Case/Form/Task.php

@@ -114,4 +114,13 @@ protected function getContactIDs(): array {
     );
   }
 
+  /**
+   * Get the token processor schema required to list any tokens for this task.
+   *
+   * @return array
+   */
+  protected function getTokenSchema(): array {
+    return ['contactId', 'caseId'];
+  }
+
 }

CRM/Case/Form/Task/Email.php

@@ -33,6 +33,11 @@ public function isSearchContext(): bool {
   /**
    * List available tokens for this form.
    *
+   * @todo - this is not standard behaviour. We should either stop filtering
+   * case tokens by type and just remove this function (which would allow
+   * domain tokens to show up too) or
+   * resolve https://lab.civicrm.org/dev/core/-/issues/2788
+   *
    * @return array
    * @throws \CRM_Core_Exception
    */
@@ -70,14 +75,18 @@ protected function getSubject():string {
    * Get the result rows to email.
    *
    * @return array
+   *
+   * @throws \CRM_Core_Exception
    */
-  protected function getRows(): array {
-    // format contact details array to handle multiple emails from same contact
-    $rows = parent::getRows();
-    foreach ($rows as $index => $row) {
-      $rows[$index]['schema']['caseId'] = $this->getCaseID();
+  protected function getRowsForEmails(): array {
+    $formattedContactDetails = [];
+    foreach ($this->getEmails() as $details) {
+      $contactID = $details['contact_id'];
+      $index = $contactID . '::' . $details['email'];
+      $formattedContactDetails[$index] = $details;
+      $formattedContactDetails[$index]['schema'] = ['caseId' => $this->getCaseID()];
     }
-    return $rows;
+    return $formattedContactDetails;
   }
 
 }