Tests csv

.ruby-version

@@ -0,0 +1 @@
+3.3.1

backend/Gemfile

@@ -144,6 +144,7 @@ group :development do
   # Speed up commands on slow machines / big apps [https://github.com/rails/spring]
   gem "spring"
 
+  gem 'graphiql-rails'
   # Annotate Rails classes with schema and routes info
   gem "annotate"
 end

backend/app/controllers/api/v1/handle_file_controller.rb

@@ -0,0 +1,12 @@
+module Api
+  module V1
+    class HandleFileController < Api::ApplicationController
+      include HandleFileHelper
+
+      def import
+        rows = set_rows_to_json(params[:file].tempfile)
+        render json: {file_rows: rows}, status: :ok
+      end
+    end
+  end
+end

backend/app/helpers/handle_file_helper.rb

@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+require 'csv'
+
+module HandleFileHelper
+  def set_rows_to_json(file)
+    file_parsed = parse_file_csv(file)
+    set_response(file_parsed)
+  end
+
+  def parse_file_csv(file)
+    CSV.parse(file.read)
+  end
+
+  def encode_string(string)
+    string.force_encoding("ISO-8859-1").encode("UTF-8")
+  end
+
+  def set_response(parsed_file)
+    json_response = {}
+    parsed_file.each_with_index { |row,index| json_response.merge!("row_#{index + 1}": encode_string(row.join(','))) }
+
+    json_response
+  end
+end

backend/config/application.rb

@@ -3,6 +3,7 @@
 require_relative "boot"
 
 require "rails/all"
+require "csv"
 
 # Require the gems listed in Gemfile, including any gems
 # you've limited to :test, :development, or :production.

backend/config/routes.rb

@@ -18,6 +18,9 @@
 
   namespace :api, defaults: { format: :json } do
     namespace :v1 do
+      get "/public_method", to: "hello_world#public_method"
+      get "/private_method", to: "hello_world#private_method"
+      post "/import", to: "handle_file#import"
       resources :users, only: %i[index create]
       resources :schools, only: %i[index]
     end

backend/spec/fixtures/files/valid_file.csv

@@ -0,0 +1,3 @@
+name,age
+Alice,30
+Bob,25

backend/spec/requests/api/v1/handle_file_spec.rb

@@ -0,0 +1,49 @@
+require "rails_helper"
+
+RSpec.describe "HandleFiles" do
+  describe 'POST api/v1/import' do
+    context 'when CSV file is valid' do
+      let(:csv_file) { fixture_file_upload(Rails.root.join('spec', 'fixtures', 'files', 'valid_file.csv'), 'text/csv') }
+
+      it 'returns status ok' do
+        post '/api/v1/import', params: { file: csv_file }
+        expect(response).to have_http_status(:ok)
+      end
+
+      it 'returns the correct JSON response with file rows' do
+        post '/api/v1/import', params: { file: csv_file }
+        expect(JSON.parse(response.body)['file_rows']).to be_a(Hash)
+      end
+    end
+
+
+    context 'when CSV file is empty' do
+      let(:empty_csv_file) { fixture_file_upload(Rails.root.join('spec', 'fixtures', 'files', 'empty_file.csv'), 'text/csv') }
+
+      it 'returns status ok' do
+        post '/api/v1/import', params: { file: empty_csv_file }
+        expect(response).to have_http_status(:ok)
+      end
+
+      it 'returns empty file rows in JSON' do
+        post '/api/v1/import', params: { file: empty_csv_file }
+        expect(JSON.parse(response.body)['file_rows']).to be_empty
+      end
+    end
+
+    context "when CSV file is valid" do
+      let(:csv_file) { fixture_file_upload(Rails.root.join('spec', 'fixtures', 'files', 'valid_file.csv'), 'text/csv') }
+
+      it "returns status ok" do
+        post '/api/v1/import', params: { file: csv_file }
+        expect(response).to have_http_status(:ok)
+      end
+
+      it "returns the correct JSON response with file rows" do
+        post '/api/v1/import', params: { file: csv_file }
+        expect(response.body).to include('file_rows')
+      end
+    end
+  end
+end
+

backend/spec/requests/api/v1/hello_word_request_spec.rb

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-require "rails_helper"
+require 'rails_helper'
 
 RSpec.describe "HelloWorlds" do
   describe "GET /api/v1/public_method" do

config/routes.rb

@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+require "sidekiq/web"
+
+Rails.application.routes.draw do
+  mount GraphiQL::Rails::Engine, at: "/graphiql", graphql_path: "/graphql" if Rails.env.development?
+  post "/graphql", to: "graphql#execute"
+  mount Sidekiq::Web => "/sidekiq"
+  mount Rswag::Ui::Engine => "/api-docs"
+  mount Rswag::Api::Engine => "/api-docs"
+  devise_for :users
+  # Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
+
+  # Defines the root path route ("/")
+  # root "articles#index"
+
+  get "/public_method", to: "hello_world#public_method"
+  get "/private_method", to: "hello_world#private_method"
+  get "/search", to: "hello_world#search"
+
+  namespace :api, defaults: { format: :json } do
+    namespace :v1 do
+      get "/public_method", to: "hello_world#public_method"
+      get "/private_method", to: "hello_world#private_method"
+      post "/import", to: "handle_file#import"
+
+      resources :users, only: [:index]
+    end
+  end
+end