added 260907 version of worker toolkit

worker-toolkit-flaredown/repo/backend/app/controllers/concerns/exception_logger.rb

@@ -0,0 +1,56 @@
+module ExceptionLogger
+  extend ActiveSupport::Concern
+
+  included do
+    # keep this on top
+    if Rails.env.production?
+      rescue_from "Exception" do |exception|
+        render json: {errors: exception.message}, status: :unprocessable_entity
+      end
+    end
+
+    rescue_from "ActiveRecord::RecordNotFound", "Mongoid::Errors::DocumentNotFound" do
+      render json: {errors: ["Resource Not Found"]}, status: 404
+    end
+
+    rescue_from "ActionController::UnknownFormat" do
+      render json: {errors: ["Format not supported"]}, status: 406
+    end
+
+    rescue_from "ActiveRecord::RecordInvalid", "Mongoid::Errors::Validations" do |exception|
+      log_exception(exception)
+      render json: {errors: exception.record.errors}, status: :unprocessable_entity
+    end
+
+    rescue_from "ActionController::ParameterMissing" do |exception|
+      render json: {errors: ["Required parameter missing: #{exception.param}"]}, status: :unprocessable_entity
+    end
+
+    rescue_from "ActionController::BadRequest" do |exception|
+      render json: {errors: ["Bad request: #{exception.message}"]}, status: :bad_request
+    end
+
+    rescue_from "CanCan::AccessDenied" do |exception|
+      log_exception(exception)
+      render json: {errors: ["Unauthorized"]}, status: :unauthorized
+    end
+  end
+
+  protected
+
+  # --- FOR RAILS 4: ---
+  ## @exception = env["action_dispatch.exception"]
+  ## exception_wrapper = ActionDispatch::ExceptionWrapper.new(env, @exception)
+
+  # --- FOR RAILS 5: ---
+
+  def log_exception(exception)
+    application_trace = ActionDispatch::ExceptionWrapper.new(request.env["action_dispatch.backtrace_cleaner"], exception)
+
+    trace = application_trace.application_trace
+
+    trace = trace.map! { |t| "  #{t}\n" }
+
+    Rails.logger.error "\n#{exception.class.name} (#{exception.message}):\n#{trace.join}"
+  end
+end