Apply a change

Author: BaseMax

app/controllers/books_controller.rb

@@ -0,0 +1,51 @@
+class BooksController < ApplicationController
+  before_action :set_book, only: [:show, :update, :destroy]
+
+  # GET /books
+  def index
+    @books = Book.all
+
+    render json: @books
+  end
+
+  # GET /books/1
+  def show
+    render json: @book
+  end
+
+  # POST /books
+  def create
+    @book = Book.new(book_params)
+
+    if @book.save
+      render json: @book, status: :created, location: @book
+    else
+      render json: @book.errors, status: :unprocessable_entity
+    end
+  end
+
+  # PATCH/PUT /books/1
+  def update
+    if @book.update(book_params)
+      render json: @book
+    else
+      render json: @book.errors, status: :unprocessable_entity
+    end
+  end
+
+  # DELETE /books/1
+  def destroy
+    @book.destroy
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_book
+      @book = Book.find(params[:id])
+    end
+
+    # Only allow a list of trusted parameters through.
+    def book_params
+      params.require(:book).permit(:name, :author, :pages)
+    end
+end

app/controllers/homes_controller.rb

@@ -6,18 +6,20 @@ def index
   end
 
   def new
-	object = User.new(
-      :ip => "192.168.1.50",
-      :key_user => "key1",
-      :key_ip => "key2",
-      :key_license => "key3",
-      :datetime => 123,
-      :datetime_expire => nil,
-      :use_first => nil,
-      :use_last => nil,
-      :is_active => 1
-    )
-	object.save
+    render json: params
+    return
+  	object = User.new(
+        :ip => "192.168.1.50",
+        :key_user => "key1",
+        :key_ip => "key2",
+        :key_license => "key3",
+        :datetime => 123,
+        :datetime_expire => nil,
+        :use_first => nil,
+        :use_last => nil,
+        :is_active => 1
+      )
+  	object.save
   end
 
 end

app/models/book.rb

@@ -0,0 +1,2 @@
+class Book < ApplicationRecord
+end

config/routes.rb

@@ -1,6 +1,8 @@
 Rails.application.routes.draw do
+  resources :books
   # For details on the DSL available within this file, see https://guides.rubyonrails.org/routing.html
   root to: 'homes#index'
-  get 'new', to: 'homes#new'
-
+  # get 'new', to: 'homes#new'
+  get '/new' => 'homes#new', :defaults => { :name => 'Max' }
+  get '/new/:name' => 'homes#new'
 end

db/development.sqlite3

@@ -0,0 +1,11 @@
+class CreateBooks < ActiveRecord::Migration[6.1]
+  def change
+    create_table :books do |t|
+      t.string :name
+      t.string :author
+      t.string :pages
+
+      t.timestamps
+    end
+  end
+end

db/migrate/20210717152719_create_books.rb

@@ -0,0 +1,38 @@
+require "test_helper"
+
+class BooksControllerTest < ActionDispatch::IntegrationTest
+  setup do
+    @book = books(:one)
+  end
+
+  test "should get index" do
+    get books_url, as: :json
+    assert_response :success
+  end
+
+  test "should create book" do
+    assert_difference('Book.count') do
+      post books_url, params: { book: { author: @book.author, name: @book.name, pages: @book.pages } }, as: :json
+    end
+
+    assert_response 201
+  end
+
+  test "should show book" do
+    get book_url(@book), as: :json
+    assert_response :success
+  end
+
+  test "should update book" do
+    patch book_url(@book), params: { book: { author: @book.author, name: @book.name, pages: @book.pages } }, as: :json
+    assert_response 200
+  end
+
+  test "should destroy book" do
+    assert_difference('Book.count', -1) do
+      delete book_url(@book), as: :json
+    end
+
+    assert_response 204
+  end
+end

db/schema.rb

@@ -0,0 +1,11 @@
+# Read about fixtures at https://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
+
+one:
+  name: MyString
+  author: MyString
+  pages: 
+
+two:
+  name: MyString
+  author: MyString
+  pages: 

test/controllers/books_controller_test.rb

@@ -0,0 +1,7 @@
+require "test_helper"
+
+class BookTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end