feat(firebase): add new child object in a firebase realtime database

packages/backend/src/apps/firebase/triggers/index.js

@@ -1,3 +1,7 @@
+import newChildObjectInFirebaseRealtimeDatabase from './new-child-object-in-a-firebase-realtime-database/index.js';
 import newDocumentsWithinFirestoreCollection from './new-documents-within-firestore-collection/index.js';
 
-export default [newDocumentsWithinFirestoreCollection];
+export default [
+  newChildObjectInFirebaseRealtimeDatabase,
+  newDocumentsWithinFirestoreCollection,
+];

packages/backend/src/apps/firebase/triggers/new-child-object-in-a-firebase-realtime-database/index.js

@@ -0,0 +1,75 @@
+import Crypto from 'crypto';
+import defineTrigger from '../../../../helpers/define-trigger.js';
+
+export default defineTrigger({
+  name: 'New child object in a firebase realtime database',
+  key: 'newChildObjectInFirebaseRealtimeDatabase',
+  pollInterval: 15,
+  description:
+    'Triggers when a new child object is generated within a specific path.',
+  arguments: [
+    {
+      label: 'Path',
+      key: 'path',
+      type: 'string',
+      required: true,
+      description:
+        "Indicate the path to the key of the object where the child objects to be queried are located, for example, 'foo/bar/here.json'.",
+      variables: true,
+    },
+    {
+      label: 'Order',
+      key: 'order',
+      type: 'string',
+      required: false,
+      description:
+        'The key or path of the child that should be utilized for comparing objects/records. If unspecified, the order of $key is used.',
+      variables: true,
+    },
+    {
+      label: 'Location of newest objects',
+      key: 'locationOfNewestObjects',
+      type: 'dropdown',
+      required: false,
+      description:
+        'Specifies whether the new 100 records are positioned at the "top" or the "bottom" of the ordering. If left unspecified, the assumption is that the bottom/last result represents the "newest objects" (limitToLast).',
+      variables: true,
+      options: [
+        { label: 'Top of results', value: 'limitToFirst' },
+        { label: 'Bottom of results', value: 'limitToLast' },
+      ],
+    },
+  ],
+
+  async run($) {
+    const { path, order, locationOfNewestObjects } = $.step.parameters;
+
+    const params = {};
+
+    if (order) {
+      params.orderBy = `"${order}"`;
+    }
+
+    if (locationOfNewestObjects) {
+      params[`${locationOfNewestObjects}`] = 100;
+    }
+
+    const { data } = await $.http.get(path, {
+      params,
+      additionalProperties: {
+        setFirestoreBaseUrl: false,
+      },
+    });
+
+    if (!data) {
+      return;
+    }
+
+    $.pushTriggerItem({
+      raw: data,
+      meta: {
+        internalId: Crypto.randomUUID(),
+      },
+    });
+  },
+});

packages/docs/pages/apps/firebase/triggers.md

@@ -1,6 +1,8 @@
 ---
 favicon: /favicons/firebase.svg
 items:
+  - name: New child object in a firebase realtime database
+    desc: Triggers when a new child object is generated within a specific path.
   - name: New documents within a firestore collection
     desc: Triggers when a new document is added within a Cloud Firestore collection.
 ---