Change class name to satisfy autoloader

app/controllers/schedules_controller.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require_relative '../services/csv_handler'
+# require_relative '../services/csv_handler'
 
 # app/controllers/schedules_controller.rb
 class SchedulesController < ApplicationController
@@ -50,7 +50,7 @@ def upload_rooms
       # We've erased our past data with no way to restore it
       # We probably need to create a back up and restore if parsing gives an alert
       @schedule.rooms.destroy_all
-      csv_handler = CSVHandler.new
+      csv_handler = CsvHandler.new
       csv_handler.upload(params[:room_file])
       flash_result = csv_handler.parse_room_csv(@schedule.id)
       flash[flash_result.keys.first] = flash_result.values.first
@@ -64,7 +64,7 @@ def upload_instructors
     if params[:instructor_file].present?
       # FIXME: See concern in upload_rooms
       @schedule.instructors.destroy_all
-      csv_handler = CSVHandler.new
+      csv_handler = CsvHandler.new
       csv_handler.upload(params[:instructor_file])
       flash_result = csv_handler.parse_instructor_csv(@schedule.id)
       flash[flash_result.keys.first] = flash_result.values.first     

app/services/csv_handler.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-class CSVHandler
+class CsvHandler
   require 'csv'
 
   def upload(file)

config/application.rb

@@ -26,8 +26,5 @@ class Application < Rails::Application
     #
     # config.time_zone = "Central Time (US & Canada)"
     # config.eager_load_paths << Rails.root.join("extras")
-
-    # Ensure that the CSV handler services is autoloaded
-    config.autoload_paths += %W(#{config.root}/app/services)
   end
 end

spec/services/csv_handler_spec.rb

@@ -1,7 +1,7 @@
 # spec/services/csv_handler_spec.rb
 require 'rails_helper'
 
-RSpec.describe CSVHandler do
+RSpec.describe CsvHandler do
   let(:schedule) { create(:schedule) }
   let(:valid_room_csv) { File.read(Rails.root.join('spec', 'fixtures', 'rooms', 'rooms_valid.csv')) }
   let(:invalid_room_csv) { File.read(Rails.root.join('spec', 'fixtures', 'rooms', 'rooms_invalid.csv')) }
@@ -10,7 +10,7 @@
 
   describe '#initialize' do
     it 'initializes with a file' do
-      handler = CSVHandler.new
+      handler = CsvHandler.new
       handler.upload(valid_room_csv)
       expect(handler.instance_variable_get(:@file)).to eq(valid_room_csv)
     end
@@ -19,14 +19,14 @@
   describe '#parse_room_csv' do
     context 'with valid data' do
       it 'creates room records' do
-        handler = CSVHandler.new
+        handler = CsvHandler.new
         handler.upload(StringIO.new(valid_room_csv))
         handler.parse_room_csv(schedule.id)
         expect(Room.count).to eq(10)
       end
 
       it 'returns a success message' do
-        handler = CSVHandler.new
+        handler = CsvHandler.new
         handler.upload(StringIO.new(valid_room_csv))
         result = handler.parse_room_csv(schedule.id)
         expect(result[:notice]).to eq('Rooms successfully uploaded.')
@@ -35,7 +35,7 @@
 
     context 'with invalid data' do
       it 'prints an alert' do
-        handler = CSVHandler.new
+        handler = CsvHandler.new
         handler.upload(StringIO.new(invalid_room_csv))
         result = handler.parse_room_csv(schedule.id)
         expect(result[:alert]).to include('There was an error uploading the CSV file')
@@ -46,14 +46,14 @@
   describe '#parse_instructor_csv' do
     context 'with valid data' do
       it 'creates instructor records' do
-        handler = CSVHandler.new
+        handler = CsvHandler.new
         handler.upload(StringIO.new(valid_instructor_csv))
         handler.parse_instructor_csv(schedule.id)
         expect(Instructor.count).to eq(4)
       end
 
       it 'returns a success message' do
-        handler = CSVHandler.new
+        handler = CsvHandler.new
         handler.upload(StringIO.new(valid_instructor_csv))
         result = handler.parse_instructor_csv(schedule.id)
         expect(result[:notice]).to eq('Instructors successfully uploaded.')
@@ -62,7 +62,7 @@
 
     context 'with missing header data' do
       it 'prints an alert' do
-        handler = CSVHandler.new
+        handler = CsvHandler.new
         handler.upload(StringIO.new(invalid_instructor_csv))
         result = handler.parse_instructor_csv(schedule.id)
         expect(result[:alert]).to include('Missing required headers')