VACMS-15641: Adds 'add to National Outreach Calendar' checkbox

src/site/stages/build/drupal/graphql/nodeEvent.graphql.js

@@ -312,6 +312,32 @@ const nodeEventWithoutBreadcrumbs = `
         }
       }
     }
+    fieldAdditionalListings {
+      entity {
+        entityBundle
+        entityId
+        entityType
+        ... on NodeEventListing {
+          fieldDescription
+          fieldIntroText
+          fieldOffice {
+            entity {
+              entityType
+              entityBundle
+              entityId
+              ... on NodeOffice {
+                fieldBody {
+                  value
+                  format
+                  processed
+                }
+                fieldDescription
+              }
+            }
+          }
+        }
+      }
+    }
     fieldLocationHumanreadable
     fieldLocationType
     fieldMedia {

src/site/stages/build/drupal/graphql/nodeEventListing.graphql.js

@@ -21,6 +21,11 @@ const nodeEventListing = `
         ... nodeEventWithoutBreadcrumbs
       }
     }
+    reverseFieldAdditionalListingsNode(limit: 5000, filter: { conditions: [{ field: "status", value: "1", operator: EQUAL, enabled: $onlyPublishedContent }, { field: "moderation_state", value: "archived", operator: NOT_EQUAL }, { field: "type", value: "event" }]}, sort: {field: "changed", direction: DESC}) {
+      entities {
+        ... nodeEventWithoutBreadcrumbs
+      }
+    }
     fieldOffice {
       entity {
         ...on NodeHealthCareRegionPage {

src/site/stages/build/drupal/health-care-region.js

@@ -86,6 +86,29 @@ function createPastEventListPages(page, drupalPagePath, files) {
   );
 }
 
+/**
+ * Compiles fields for event listing pages.
+ *
+ *  @param {page} page The page object.
+ *  @return nothing
+ */
+function compileEventListingPage(page) {
+  const { cmsFeatureFlags } = global;
+  // Combine events from reverse entity reference queries, if additional
+  // listings data exists and feature flag is on.
+  if (
+    cmsFeatureFlags.FEATURE_EVENT_OUTREACH_CHECKBOX &&
+    page?.reverseFieldAdditionalListingsNode?.entities
+  ) {
+    page.reverseFieldListingNode.entities.push(
+      ...page.reverseFieldAdditionalListingsNode.entities,
+    );
+  }
+  // Compile final template variables.
+  page.pastEventTeasers = page.pastEvents;
+  page.allEventTeasers = page.reverseFieldListingNode;
+}
+
 // Creates the facility pages
 function createHealthCareRegionListPages(page, drupalPagePath, files) {
   const sidebar = page.facilitySidebar;
@@ -283,4 +306,5 @@ module.exports = {
   createPastEventListPages,
   addGetUpdatesFields,
   addPager,
+  compileEventListingPage,
 };

src/site/stages/build/drupal/metalsmith-drupal.js

@@ -16,6 +16,7 @@ const {
   createPastEventListPages,
   addGetUpdatesFields,
   addPager,
+  compileEventListingPage,
 } = require('./health-care-region');
 const createReactPages = require('../plugins/create-react-pages');
 
@@ -83,8 +84,7 @@ function pipeDrupalPagesIntoMetalsmith(contentData, files) {
         addGetUpdatesFields(pageCompiled, pages);
         break;
       case 'event_listing':
-        pageCompiled.pastEventTeasers = pageCompiled.pastEvents;
-        pageCompiled.allEventTeasers = pageCompiled.reverseFieldListingNode;
+        compileEventListingPage(pageCompiled);
         addPager(
           pageCompiled,
           files,