fix update on certification reuirest page

Author: nkutub

reporting-app/app/controllers/certifications_controller.rb

@@ -42,7 +42,27 @@ def create
   # PATCH/PUT /certifications/1
   # PATCH/PUT /certifications/1.json
   def update
-    if @certification.update(certification_params)
+    requirement_params = certification_params.fetch(:certification_requirements, {})
+
+    # Only rebuild certification_requirements if they're being updated
+    if requirement_params.fetch(:params, {}).present?
+      begin
+        # Try to build Requirements directly first (if already valid output format)
+        requirements = Certifications::Requirements.new_filtered(requirement_params)
+        if requirements.valid?
+          @certification.certification_requirements = requirements
+        else
+          # Otherwise build from input params (needs lookback_period, etc.)
+          @certification.certification_requirements = certification_service.certification_requirements_from_input(requirement_params)
+        end
+      rescue ActiveModel::ValidationError => e
+        render json: { certification_requirements: e.model.errors }, status: :unprocessable_content
+        return
+      end
+    end
+
+    # Update other attributes (excluding requirements since we handled them above)
+    if @certification.update(certification_params.except(:certification_requirements))
       render :show, status: :ok, location: @certification
     else
       render json: @certification.errors, status: :unprocessable_content