feat(rss): add new items in feed trigger

packages/backend/src/apps/rss/triggers/new-items-in-feed/new-items-in-feed.ts

@@ -0,0 +1,24 @@
+import { IGlobalVariable } from '@automatisch/types';
+import { XMLParser } from 'fast-xml-parser';[]
+
+const newItemsInFeed = async ($: IGlobalVariable) => {
+  const { data } = await $.http.get($.step.parameters.feedUrl as string);
+  const parser = new XMLParser();
+  const parsedData = parser.parse(data);
+
+  for (const item of parsedData.rss.channel.item) {
+    if ($.flow.isAlreadyProcessed(item.guid))
+      return;
+
+    const dataItem = {
+      raw: item,
+      meta: {
+        internalId: item.guid
+      }
+    }
+
+    $.pushTriggerItem(dataItem);
+  }
+};
+
+export default newItemsInFeed;