Slides Rad Rails3

Daniel F. V. Cardoso Rapid Application Development - Rails

INSTITUTO FEDERAL DE EDUCAÇÃO, CIÊNCIA E TECNOLOGIA DA PARAÍBA

Rapid Application Development - Rails

DANIEL FERNANDES VILAR CARDOSO

Coordenação de Sistemas para Internet IFPB

Professor Substituto

Estrutura:

• Páginas Estáticas

• Primeiros Testes

• Helpers

Nova Aplicação● Acessar o c9.io;

● Inicializar o repositório;

● Submeter o projeto no heroku; (evitar problemas...)

Páginas Estáticas

Note that we have passed the controller name as CamelCase, which leads to the creation of a controller file written in snake case.

Páginas Estáticas● Alguns atalhos:

Desfazendo Operações● $ rails generate controller StaticPages home help

● $ rails destroy controller StaticPages home help

● $ rails generate model User name:string email:string

● $ rails destroy model User

● $ bundle exec rake db:migrate

● $ bundle exec rake db:rollback

● $ bundle exec rake db:migrate VERSION=0

Rotas Adicionadas

$ rails server -b $IP -p $PORT # Use only 'rails server' if running locally

Página Gerada

Controllers e Views

Adicionando Conteúdo

Testando Aplicação

The response :success is an abstract representation of the underlying HTTP status code (in this case, 200 OK).

The error message here says that no route matches the desired action/controller

The error message now indicates a missing about action in the Static Pages controller

$ touch app/views/static_pages/about.html.erb

Aplication Layout● $ mv app/views/layouts/application.html.erb

layout_file # temporary change

Testando Títulos● assert_select "title", "Home | Ruby on Rails

Tutorial Sample App"

Testando Títulos● Aplicando aos outros:

Adicionando Títulos(verde)

Refatorando● O título da página está quase igual;

● “Ruby on Rails...” é comum para todos os títulos;

● A estrutura do HTML está repetida em cada página;

Refatorando

Refatorando● $ mv layout_file

app/views/layouts/application.html.erb

Refatorando

Refatorando● Testando:

Exercícios

1)Faça a view 'static_pages/about.html.erb' utilizar o applicationLayout.

2)Defina a rota padrão apontar para a view 'home';

3)Submeta as mudanças para produção (heroku);

Slides Rad Rails3

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