Ruby on Rails Tutorial Chapter8-10

RUBY ON RAILS 3 Tutorial を日本語訳してみた Chapter 8-10 2011/12/07

Ruby on Rails Tutorial とは ,[object Object],[object Object]

前回のおさらい ,[object Object],[object Object],[object Object]

目次 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

目次 ,[object Object],[object Object],[object Object],[object Object],[object Object]

Chapter8 Sign up ,[object Object],[object Object],[object Object]

Chapter8 Sign up ,[object Object],$ bundle exec rake db:reset

8.1.1 Using form_for ,[object Object],<%= form_for ( @user ) do | f | %> < div class= "field" > <%= f. label :name %> < br /> <%= f. text_field :name %> </ div > < div class= "actions" > <%= f.submit " Sign up " %> </ div > <% end %>

8.1.1 Using form_for ,[object Object],[object Object],[object Object],[object Object]

言い忘れ @Chap4 ,[object Object],[object Object],[object Object]

言い忘れ @Chap4 ,[object Object],[object Object],[object Object],[object Object],<%= stylesheet_link_tag ' blueprint/screen ' , :media => ' screen ' %> <%= stylesheet_link_tag ' blueprint/print ' , :media => ' print ' %>

8.1.1 Using form_for ,[object Object],http://ruby.railstutorial.org/chapters/sign-up#top

8.2.1 Testing Failure ,[object Object]

8.2.3 Signup Error Messages ,[object Object],[object Object],$ rails console >> user = User.new(… 省略… , :email => “invalid”) >> user.save => false >> user.errors.full_messages => [“Email is invalid”]

Box8.1 Integration alternatives ,[object Object],[object Object],[object Object]

8.4.1 Integration Tests with Style ,[object Object],[object Object],[object Object],[object Object],$ rake generage integration_test users

Chapter9 Sign in, sign out ,[object Object]

9.1.1 Sessions controller ,[object Object],SampleApp :: Application .routes.draw do resources :users resources :sessions , :only => [ :new , :create , :destroy ] match ' /signup ' , :to => ' users#new ' match ' /signin ' , :to => ' sessions#new ' match ' /signout ' , :to => ' sessions#destroy ’ # 省略 end

9.1.1 Sessions controller ,[object Object],HTTP リクエスト URL ルート名 Action 目的 GET /signin signin_path new ログイン画面 POST /sessions sessions_path create 新規セッション発行 DELETE /signout signout_path destroy セッション削除 ( ログアウト )

9.1.2 Signin form ,[object Object],<%= form_for ( :session , :url => sessions_path) do | f | %> < div class= "field" > <%= f. label :email %> < br /> <%= f. text_field :email %> </ div > < div class= "field" > <%= f. label :password %> < br /> <%= f. password_field :password %> </ div > < div class= "actions" > <%= f.submit " Sign in " %> </ div > <% end %>

9.2.2 Failed signin(test and code) ,[object Object], def create user = User .authenticate( params [ :session ][ :email ], params [ :session ][ :password ]) if user.nil? flash .now[ :error ] = " Invalid email/password combination. " @title = " Sign in " render ' new ' else # Sign the user in and redirect to the user's show page. end end

9.2.2 Failed signin(test and code) ,[object Object],[object Object],[object Object]

Box 9.1 Flash dot now ,[object Object],[object Object],[object Object],[object Object],[object Object],http://trwtnb.blogspot.com/2009/11/rubyrailsflashnownoticeflashnotice.html

9.3.2 Remember me ,[object Object],[object Object],[object Object],[object Object],class ApplicationController < ActionController :: Base protect_from_forgery include SessionsHelper end

9.3.3 Current user ,[object Object],[object Object],[object Object],[object Object],[object Object]

Box 9.4.What the *$@! is ||= ? ,[object Object],[object Object],[object Object],>> 1 || nil => 1 >> 2 || 1 => 2 http://www.ruby-lang.org/ja/old-man/html/Ruby_A4C7BBC8A4EFA4ECA4EBB5ADB9E6A4CEB0D5CCA3.html

Box 9.5. 10 types of people ,[object Object],[object Object],[object Object],>> a = nil ? "this is true":"this is false” >> puts a this is false

9 章まとめ ,[object Object],[object Object],[object Object]

Chapter10 Updating, showing, and deleting users ,[object Object],[object Object],[object Object]

10.3.2 Sample users ,[object Object],[object Object],[object Object],group :development do gem ‘ rspec-rails ’ gem ‘ annotate ’ , :git => ‘ git://github.com/ctran/annotate_models.git ’ gem ‘ faker ’ end a

10.3.2 Sample users ,[object Object],$ bundle

10.3.2 Sample users ,[object Object],namespace :db do desc " Fill database with sample data " task :populate => :environment do Rake :: Task [ ' db:reset ' ].invoke User .create!( :name => " Example User " , :email => " [email_address] " , :password => " foobar " , :password_confirmation => " foobar " ) 99 .times do | n | name = Faker :: Name .name email = " example- #{ n+ 1 } @railstutorial.org " password = " password " User .create!( :name => name, :email => email, :password => password, :password_confirmation => password) end end end

拡大 namespace :db do desc “ Fill database with sample data ” task :populate => :environment do Rake :: Task [ ‘ db:reset ’ ].invoke User .create!( :name => “ Example User ” , :email => “ [email_address] ” , :password => “ foobar ” , :password_confirmation => “ foobar ” )

拡大 99 .times do | n | name = Faker :: Name .name email = “ example- #{ n+ 1 } @railstutorial.org ” password = “ password ” User .create!( :name => name, :email => email, :password => password, :password_confirmation => password) end end end

10.3.2 Sample users ,[object Object],$ bundle exec rake db:populate

10.3.3 Pagination ,[object Object],[object Object],group :development do gem ‘ rspec-rails ’ gem ‘ annotate ’ , :git => ‘ git://github.com/ctran/annotate_models.git ’ gem ‘ faker ’ gem ‘ will_paginate ’ end a $ bundle

10.3.3 Pagination ,[object Object],[object Object]

10.3.3 Pagination ,[object Object],< ul class= "users" > <% @users .each do | user | %> < li > <%= gravatar_for user, :size => 30 %> <%= link_to user.name, user %> </ li > <% end %> </ ul > <%= will_paginate %>

10.3.3 Pagination ,[object Object],def index @title = “ All users ” @users = User .paginate( :page => params [ :page ]) end

10 章まとめ ,[object Object],[object Object],[object Object]

まとめ ,[object Object],[object Object],[object Object]

次回予告 ,[object Object],[object Object]

Ruby on Rails Tutorial Chapter8-10

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