feat: write REST API endpoint to update step

packages/backend/src/controllers/api/v1/steps/update-step.js

@@ -0,0 +1,33 @@
+import { renderObject } from '../../../../helpers/renderer.js';
+
+export default async (request, response) => {
+  let step = await request.currentUser.authorizedSteps
+    .findById(request.params.stepId)
+    .throwIfNotFound();
+
+  const stepData = stepParams(request);
+
+  if (stepData.connectionId && (stepData.appKey || step.appKey)) {
+    await request.currentUser.authorizedConnections
+      .findOne({
+        id: stepData.connectionId,
+        key: stepData.appKey || step.appKey,
+      })
+      .throwIfNotFound();
+  }
+
+  step = await step.update(stepData);
+
+  renderObject(response, step);
+};
+
+const stepParams = (request) => {
+  const { connectionId, appKey, key, parameters } = request.body;
+
+  return {
+    connectionId,
+    appKey,
+    key,
+    parameters,
+  };
+};