SINATRA Framework

app.rb

# C O N T R O L L E R

require_relative "config/application"
require "sinatra"
require "sinatra/reloader"
require "sinatra/activerecord"
require "pry"


# As a user I can list all the restaurants ( INDEX Action )
get "/" do
  @restaurants = Restaurant.all.reverse

  erb :index
end


# As a user I can see one restaurant's details ( SHOW Action )
# restaurants/3 <- we want to make this id dynamic!!
# Using PARAMS I can fetch user inputs in the URL
get "/restaurants/:id" do
	id = params["id"].to_i
	@restaurant = Restaurant.find(id)

	erb :show
end


# As a user I can add a restaurant ( CREATE Action )
# Using PARAMS I can fetch user inputs in the URL ( after a POST request )
post "/restaurants" do
	name = params["name"]
	city = params["city"]
	rest = Restaurant.new(name: name, city: city)
	rest.save

	# redirect "/restaurants/#{rest.id}"
	redirect "/"
end

index.erb

# view/index.erb
# we can use @restaurants from the controller ( app.rb )

<h1>List of my fav restaurants</h1>

<h3>Add a NEW restaurant:</h3>
<form action="/restaurants" method="post">
  <label for="name">Name</label>
  <input type="text" name="name">
  <label for="city">City</label>
  <input type="text" name="city">
  <input type="submit">
</form>

<ul>
<% @restaurants.each do |restaurant| %>
	<li>
		<a href="restaurants/<%= restaurant.id %>">
			<%= restaurant.name %>
		</a>
	</li>
<% end %>
</ul>

restaurant.rb

# models/restaurant.rb
class Restaurant < ActiveRecord::Base
end

# SHORTCUTS for erb -> embedded ruby ( IN HTML Page )
# To run ruby in erb file : <% %> & <%= %>
# pe + TAB -> <%= %> ( display the output in the browser ) <%= Time.now %>
# er + TAB -> <% %>  ( runs the ruby command in the background ) <% now = Time.now %>

show.erb

# view/show.erb
# we can use @restaurant from the controller ( app.rb )

<h1>
	<%= @restaurant.name %>
</h1>

<p><%= @restaurant.city %></p>

<a href="/">BACK</a>

TIMESTAMP_create_restaurants.rb

class CreateRestaurants < ActiveRecord::Migration[5.1]
	def change
		create_table :restaurants do |t|
			t.string :name
			t.string :city

			t.timestamps null: false
		end
	end
end