refactor widget api design

this passes all widget API calls through the backend, with a pluggable design and reusable API handlers

src/utils/service-helpers.js

@@ -0,0 +1,33 @@
+import { promises as fs } from "fs";
+import path from "path";
+import yaml from "js-yaml";
+
+export async function getServiceWidget(group, service) {
+  const servicesYaml = path.join(process.cwd(), "config", "services.yaml");
+  const fileContents = await fs.readFile(servicesYaml, "utf8");
+  const services = yaml.load(fileContents);
+
+  // map easy to write YAML objects into easy to consume JS arrays
+  const servicesArray = services.map((group) => {
+    return {
+      name: Object.keys(group)[0],
+      services: group[Object.keys(group)[0]].map((entries) => {
+        return {
+          name: Object.keys(entries)[0],
+          ...entries[Object.keys(entries)[0]],
+        };
+      }),
+    };
+  });
+
+  const serviceGroup = servicesArray.find((g) => g.name === group);
+  if (serviceGroup) {
+    const serviceEntry = serviceGroup.services.find((s) => s.name === service);
+    if (serviceEntry) {
+      const { widget } = serviceEntry;
+      return widget;
+    }
+  }
+
+  return false;
+}