diff --git a/app/controllers/expenses_controller.rb b/app/controllers/expenses_controller.rb
new file mode 100644
index 0000000..c88513d
--- /dev/null
+++ b/app/controllers/expenses_controller.rb
@@ -0,0 +1,70 @@
+class ExpensesController < ApplicationController
+ before_action :set_expense, only: %i[ show edit update destroy ]
+
+ # GET /expenses or /expenses.json
+ def index
+ @expenses = Expense.all
+ end
+
+ # GET /expenses/1 or /expenses/1.json
+ def show
+ end
+
+ # GET /expenses/new
+ def new
+ @expense = Expense.new
+ end
+
+ # GET /expenses/1/edit
+ def edit
+ end
+
+ # POST /expenses or /expenses.json
+ def create
+ @expense = Expense.new(expense_params)
+
+ respond_to do |format|
+ if @expense.save
+ format.html { redirect_to expense_url(@expense), notice: "Expense was successfully created." }
+ format.json { render :show, status: :created, location: @expense }
+ else
+ format.html { render :new, status: :unprocessable_entity }
+ format.json { render json: @expense.errors, status: :unprocessable_entity }
+ end
+ end
+ end
+
+ # PATCH/PUT /expenses/1 or /expenses/1.json
+ def update
+ respond_to do |format|
+ if @expense.update(expense_params)
+ format.html { redirect_to expense_url(@expense), notice: "Expense was successfully updated." }
+ format.json { render :show, status: :ok, location: @expense }
+ else
+ format.html { render :edit, status: :unprocessable_entity }
+ format.json { render json: @expense.errors, status: :unprocessable_entity }
+ end
+ end
+ end
+
+ # DELETE /expenses/1 or /expenses/1.json
+ def destroy
+ @expense.destroy
+
+ respond_to do |format|
+ format.html { redirect_to expenses_url, notice: "Expense was successfully destroyed." }
+ format.json { head :no_content }
+ end
+ end
+
+ private
+ # Use callbacks to share common setup or constraints between actions.
+ def set_expense
+ @expense = Expense.find(params[:id])
+ end
+
+ # Only allow a list of trusted parameters through.
+ def expense_params
+ params.require(:expense).permit(:description, :payment, :period, :autopaid, :estimated)
+ end
+end
diff --git a/app/helpers/expenses_helper.rb b/app/helpers/expenses_helper.rb
new file mode 100644
index 0000000..739166e
--- /dev/null
+++ b/app/helpers/expenses_helper.rb
@@ -0,0 +1,7 @@
+module ExpensesHelper
+ def expense_periods
+ Expense
+ .periods
+ .map { |key, value| [key.titleize, Expense.periods.key(value)] }
+ end
+end
diff --git a/app/models/expense.rb b/app/models/expense.rb
new file mode 100644
index 0000000..1925fe6
--- /dev/null
+++ b/app/models/expense.rb
@@ -0,0 +1,13 @@
+class Expense < ApplicationRecord
+ PERIOD_OCCURENCES = {
+ monthly: 12,
+ annually: 1,
+ weekly: 52,
+ quarterly: 3,
+ }.freeze
+ enum :period, PERIOD_OCCURENCES.keys
+
+ def monthly
+ payment * PERIOD_OCCURENCES[period.to_sym] / 12
+ end
+end
diff --git a/app/views/expenses/_expense.html.erb b/app/views/expenses/_expense.html.erb
new file mode 100644
index 0000000..cb922b0
--- /dev/null
+++ b/app/views/expenses/_expense.html.erb
@@ -0,0 +1,32 @@
+
+
+ Description:
+ <%= expense.description %>
+
+
+
+ Payment:
+ <%= expense.payment %>
+
+
+
+ Period:
+ <%= expense.period %>
+
+
+
+ Autopaid:
+ <%= expense.autopaid %>
+
+
+
+ Estimated:
+ <%= expense.estimated %>
+
+
+ <% if action_name != "show" %>
+ <%= link_to "Show this expense", expense, class: "rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+ <%= link_to 'Edit this expense', edit_expense_path(expense), class: "rounded-lg py-3 ml-2 px-5 bg-gray-100 inline-block font-medium" %>
+
+ <% end %>
+
diff --git a/app/views/expenses/_expense.json.jbuilder b/app/views/expenses/_expense.json.jbuilder
new file mode 100644
index 0000000..216ad4e
--- /dev/null
+++ b/app/views/expenses/_expense.json.jbuilder
@@ -0,0 +1,2 @@
+json.extract! expense, :id, :description, :payment, :period, :autopaid, :estimated, :created_at, :updated_at
+json.url expense_url(expense, format: :json)
diff --git a/app/views/expenses/_form.html.erb b/app/views/expenses/_form.html.erb
new file mode 100644
index 0000000..0630871
--- /dev/null
+++ b/app/views/expenses/_form.html.erb
@@ -0,0 +1,47 @@
+<%= form_with(model: expense, class: "contents") do |form| %>
+ <% if expense.errors.any? %>
+
+
<%= pluralize(expense.errors.count, "error") %> prohibited this expense from being saved:
+
+
+ <% expense.errors.each do |error| %>
+ - <%= error.full_message %>
+ <% end %>
+
+
+ <% end %>
+
+
+ <%= form.label :description %>
+ <%= form.text_field :description, class: "block shadow rounded-md border border-gray-200 outline-none px-3 py-2 mt-2 w-full" %>
+
+
+
+ <%= form.label :payment %>
+ <%= form.text_field :payment, class: "block shadow rounded-md border border-gray-200 outline-none px-3 py-2 mt-2 w-full" %>
+
+
+
+ <%= form.label :period %>
+ <%=
+ form.select :period,
+ options_for_select(expense_periods, expense.period),
+ {},
+ class: "block shadow rounded-md border border-gray-200 outline-none px-3 py-2 mt-2 w-full"
+ %>
+
+
+
+ <%= form.label :autopaid %>
+ <%= form.check_box :autopaid, class: "block mt-2 h-5 w-5" %>
+
+
+
+ <%= form.label :estimated %>
+ <%= form.check_box :estimated, class: "block mt-2 h-5 w-5" %>
+
+
+
+ <%= form.submit class: "rounded-lg py-3 px-5 bg-blue-600 text-white inline-block font-medium cursor-pointer" %>
+
+<% end %>
diff --git a/app/views/expenses/edit.html.erb b/app/views/expenses/edit.html.erb
new file mode 100644
index 0000000..f5db8f0
--- /dev/null
+++ b/app/views/expenses/edit.html.erb
@@ -0,0 +1,8 @@
+
+
Editing expense
+
+ <%= render "form", expense: @expense %>
+
+ <%= link_to "Show this expense", @expense, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+ <%= link_to "Back to expenses", expenses_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+
diff --git a/app/views/expenses/index.html.erb b/app/views/expenses/index.html.erb
new file mode 100644
index 0000000..3008610
--- /dev/null
+++ b/app/views/expenses/index.html.erb
@@ -0,0 +1,14 @@
+
+ <% if notice.present? %>
+
<%= notice %>
+ <% end %>
+
+
+
Expenses
+ <%= link_to 'New expense', new_expense_path, class: "rounded-lg py-3 px-5 bg-blue-600 text-white block font-medium" %>
+
+
+
+ <%= render @expenses %>
+
+
diff --git a/app/views/expenses/index.json.jbuilder b/app/views/expenses/index.json.jbuilder
new file mode 100644
index 0000000..68cd3c6
--- /dev/null
+++ b/app/views/expenses/index.json.jbuilder
@@ -0,0 +1 @@
+json.array! @expenses, partial: "expenses/expense", as: :expense
diff --git a/app/views/expenses/new.html.erb b/app/views/expenses/new.html.erb
new file mode 100644
index 0000000..5afd7be
--- /dev/null
+++ b/app/views/expenses/new.html.erb
@@ -0,0 +1,7 @@
+
+
New expense
+
+ <%= render "form", expense: @expense %>
+
+ <%= link_to 'Back to expenses', expenses_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+
diff --git a/app/views/expenses/show.html.erb b/app/views/expenses/show.html.erb
new file mode 100644
index 0000000..e4a6db3
--- /dev/null
+++ b/app/views/expenses/show.html.erb
@@ -0,0 +1,15 @@
+
+
+ <% if notice.present? %>
+
<%= notice %>
+ <% end %>
+
+ <%= render @expense %>
+
+ <%= link_to 'Edit this expense', edit_expense_path(@expense), class: "mt-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+
+ <%= button_to 'Destroy this expense', expense_path(@expense), method: :delete, class: "mt-2 rounded-lg py-3 px-5 bg-gray-100 font-medium" %>
+
+ <%= link_to 'Back to expenses', expenses_path, class: "ml-2 rounded-lg py-3 px-5 bg-gray-100 inline-block font-medium" %>
+
+
diff --git a/app/views/expenses/show.json.jbuilder b/app/views/expenses/show.json.jbuilder
new file mode 100644
index 0000000..3bb3176
--- /dev/null
+++ b/app/views/expenses/show.json.jbuilder
@@ -0,0 +1 @@
+json.partial! "expenses/expense", expense: @expense
diff --git a/config/routes.rb b/config/routes.rb
index 262ffd5..39f07ef 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,4 +1,5 @@
Rails.application.routes.draw do
+ resources :expenses
# Define your application routes per the DSL in https://guides.rubyonrails.org/routing.html
# Defines the root path route ("/")
diff --git a/db/migrate/20221120201457_create_expenses.rb b/db/migrate/20221120201457_create_expenses.rb
new file mode 100644
index 0000000..6deaf59
--- /dev/null
+++ b/db/migrate/20221120201457_create_expenses.rb
@@ -0,0 +1,13 @@
+class CreateExpenses < ActiveRecord::Migration[7.0]
+ def change
+ create_table :expenses do |t|
+ t.string :description, default: "", null: false
+ t.decimal :payment, default: 0.00, null: false, precision: 8, scale: 2
+ t.integer :period, default: 0, null: false
+ t.boolean :autopaid, default: false, null: false
+ t.boolean :estimated, default: false, null: false
+
+ t.timestamps
+ end
+ end
+end
diff --git a/db/schema.rb b/db/schema.rb
new file mode 100644
index 0000000..2199dbb
--- /dev/null
+++ b/db/schema.rb
@@ -0,0 +1,24 @@
+# This file is auto-generated from the current state of the database. Instead
+# of editing this file, please use the migrations feature of Active Record to
+# incrementally modify your database, and then regenerate this schema definition.
+#
+# This file is the source Rails uses to define your schema when running `bin/rails
+# db:schema:load`. When creating a new database, `bin/rails db:schema:load` tends to
+# be faster and is potentially less error prone than running all of your
+# migrations from scratch. Old migrations may fail to apply correctly if those
+# migrations use external dependencies or application code.
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema[7.0].define(version: 2022_11_20_201457) do
+ create_table "expenses", force: :cascade do |t|
+ t.string "description", default: "", null: false
+ t.decimal "payment", precision: 8, scale: 2, default: "0.0", null: false
+ t.integer "period", default: 0, null: false
+ t.boolean "autopaid", default: false, null: false
+ t.boolean "estimated", default: false, null: false
+ t.datetime "created_at", null: false
+ t.datetime "updated_at", null: false
+ end
+
+end
diff --git a/test/controllers/expenses_controller_test.rb b/test/controllers/expenses_controller_test.rb
new file mode 100644
index 0000000..1e5b44b
--- /dev/null
+++ b/test/controllers/expenses_controller_test.rb
@@ -0,0 +1,48 @@
+require "test_helper"
+
+class ExpensesControllerTest < ActionDispatch::IntegrationTest
+ setup do
+ @expense = expenses(:one)
+ end
+
+ test "should get index" do
+ get expenses_url
+ assert_response :success
+ end
+
+ test "should get new" do
+ get new_expense_url
+ assert_response :success
+ end
+
+ test "should create expense" do
+ assert_difference("Expense.count") do
+ post expenses_url, params: { expense: { autopaid: @expense.autopaid, description: @expense.description, estimated: @expense.estimated, payment: @expense.payment, period: @expense.period } }
+ end
+
+ assert_redirected_to expense_url(Expense.last)
+ end
+
+ test "should show expense" do
+ get expense_url(@expense)
+ assert_response :success
+ end
+
+ test "should get edit" do
+ get edit_expense_url(@expense)
+ assert_response :success
+ end
+
+ test "should update expense" do
+ patch expense_url(@expense), params: { expense: { autopaid: @expense.autopaid, description: @expense.description, estimated: @expense.estimated, payment: @expense.payment, period: @expense.period } }
+ assert_redirected_to expense_url(@expense)
+ end
+
+ test "should destroy expense" do
+ assert_difference("Expense.count", -1) do
+ delete expense_url(@expense)
+ end
+
+ assert_redirected_to expenses_url
+ end
+end
diff --git a/test/fixtures/expenses.yml b/test/fixtures/expenses.yml
new file mode 100644
index 0000000..3eb6185
--- /dev/null
+++ b/test/fixtures/expenses.yml
@@ -0,0 +1,15 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+ description: MyString
+ payment: 9.99
+ period: 1
+ autopaid: false
+ estimated: false
+
+two:
+ description: MyString
+ payment: 9.99
+ period: 1
+ autopaid: false
+ estimated: false
diff --git a/test/models/expense_test.rb b/test/models/expense_test.rb
new file mode 100644
index 0000000..67ac22a
--- /dev/null
+++ b/test/models/expense_test.rb
@@ -0,0 +1,7 @@
+require "test_helper"
+
+class ExpenseTest < ActiveSupport::TestCase
+ # test "the truth" do
+ # assert true
+ # end
+end
diff --git a/test/system/expenses_test.rb b/test/system/expenses_test.rb
new file mode 100644
index 0000000..5778073
--- /dev/null
+++ b/test/system/expenses_test.rb
@@ -0,0 +1,49 @@
+require "application_system_test_case"
+
+class ExpensesTest < ApplicationSystemTestCase
+ setup do
+ @expense = expenses(:one)
+ end
+
+ test "visiting the index" do
+ visit expenses_url
+ assert_selector "h1", text: "Expenses"
+ end
+
+ test "should create expense" do
+ visit expenses_url
+ click_on "New expense"
+
+ check "Autopaid" if @expense.autopaid
+ fill_in "Description", with: @expense.description
+ check "Estimated" if @expense.estimated
+ fill_in "Payment", with: @expense.payment
+ fill_in "Period", with: @expense.period
+ click_on "Create Expense"
+
+ assert_text "Expense was successfully created"
+ click_on "Back"
+ end
+
+ test "should update Expense" do
+ visit expense_url(@expense)
+ click_on "Edit this expense", match: :first
+
+ check "Autopaid" if @expense.autopaid
+ fill_in "Description", with: @expense.description
+ check "Estimated" if @expense.estimated
+ fill_in "Payment", with: @expense.payment
+ fill_in "Period", with: @expense.period
+ click_on "Update Expense"
+
+ assert_text "Expense was successfully updated"
+ click_on "Back"
+ end
+
+ test "should destroy Expense" do
+ visit expense_url(@expense)
+ click_on "Destroy this expense", match: :first
+
+ assert_text "Expense was successfully destroyed"
+ end
+end