added models

parkinglot/app/models/car_log.rb

+class CarLog < ActiveRecord::Base
+end

parkinglot/db/migrate/20160705053334_create_car_logs.rb

+class CreateCarLogs < ActiveRecord::Migration
+  def change
+    create_table :car_logs do |t|
+      t.string :plate_number
+      t.datetime :time_in
+      t.datetime :time_out
+      t.string :color
+      t.string :brand
+
+      t.timestamps null: false
+    end
+  end
+end

parkinglot/db/schema.rb

+# encoding: UTF-8
+# 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.
+#
+# Note that this schema.rb definition is the authoritative source for your
+# database schema. If you need to create the application database on another
+# system, you should be using db:schema:load, not running all the migrations
+# from scratch. The latter is a flawed and unsustainable approach (the more migrations
+# you'll amass, the slower it'll run and the greater likelihood for issues).
+#
+# It's strongly recommended that you check this file into your version control system.
+
+ActiveRecord::Schema.define(version: 20160705053334) do
+
+  create_table "car_logs", force: :cascade do |t|
+    t.string   "plate_number"
+    t.datetime "time_in"
+    t.datetime "time_out"
+    t.string   "color"
+    t.string   "brand"
+    t.datetime "created_at",   null: false
+    t.datetime "updated_at",   null: false
+  end
+
+end

parkinglot/test/fixtures/car_logs.yml

+# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  plate_number: MyString
+  time_in: 2016-07-05 13:33:34
+  time_out: 2016-07-05 13:33:34
+  color: MyString
+  brand: MyString
+
+two:
+  plate_number: MyString
+  time_in: 2016-07-05 13:33:34
+  time_out: 2016-07-05 13:33:34
+  color: MyString
+  brand: MyString

parkinglot/test/models/car_log_test.rb

+require 'test_helper'
+
+class CarLogTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end