Added amount field to case fee, total fee to case, and code to calculate the total

modules/opencase_cases/opencase_cases.install

@@ -72,3 +72,15 @@ function opencase_cases_update_8029() {
   \Drupal::entityDefinitionUpdateManager()
     ->installFieldStorageDefinition('notes', 'oc_case', 'oc_case', $storage_definition);
 }
+
+function opencase_cases_update_8030() {
+    $storage_definition =  \Drupal\Core\Field\BaseFieldDefinition::create('decimal')
+    ->setLabel(t('Total Fee'))
+    ->setRevisionable(TRUE)
+    ->setSettings([
+      'prefix' => '£',
+    ])
+    ->SetDisplayConfigurable("view", true);
+  \Drupal::entityDefinitionUpdateManager()
+    ->installFieldStorageDefinition('total_fee', 'oc_case', 'oc_case', $storage_definition);
+}