Railsことはじめ

rvm : rubyのバージョンマネージャー
ruby:
gemset:
rails gem:

-------
xcode

java

homebrew
ruby -e "$(curl -fsSkL raw.github.com/mxcl/homebrew/go)"

RVM
\curl -L https://get.rvm.io | bash -s stable --ruby

-------
rvm use 1.9.3
rvm gemset create todo
rvm gemset list
rvm use 1.9.3@todo
gem install rails
rails new todo -T --skip-bundle　#プロジェクトをつくる　-T→テストユニットをはずす
touch ./.rvmrc
vim ./.rvmrc
	rvm use 1.9.3@todo　# ←記述
	:wq

cd ..
cd todo → yes

vim  Gemfile
	therubyracer # ←コメントアウトはずす
	:wq

bundle install　#rubyracer注意

vim ./Gemfile.lock #どのバージョンがインストールされたか

rails s
→localhost:3000にアクセス

rails g scaffold tasks body:string status:boolean #複数形にする

rails s
→localhost:3000/tasks/　#DBがないのでエラー

rake db:migrate #テーブル作成

rails s
→localhost:3000/tasks/

vim ./Gemfile
	gem 'therubyracer', :platforms=>:ruby
	gem 'less'
	gem 'less-rails'
	gem 'twitter-bootstrap-rails'

	#gem 'jquery-rails'の前に記述
	:wq

bundle install

rails generate bootstrap:install less

-----
todo > app > assets > stylesheets > scaffold.css削除

todo > public > routes.rb
	root :to => 'tasks#index'

---
Gemfile
	gem 'haml'
	# gem 'jquery-rails'の後に記述

bundle install
---

application.html.erb

※command+shift+p haml
	#hamlのシンタックスを適用

!!! #html5の宣言
%html
	%head
		%title todo

		=stylesheet_link_tag	"application"
			, :media => "all"
		=csrf_meta_tags

	%body
		.navber
			.navber-inner
				%a.brand ToDo
				%ul.nav
					%li
						%a{ :href => "#" } home
					%li menu1
					%li menu2

		.container
			=yield
application.html.erb　→　application.html.hamlに変更



_form.html.erb #1

= form_for(@task) do |f|

		.field
			=f.label :body
			=f.text_field :body

		.field
			=f.label :status
			=f.label :status

		.actions
			=f.submit


_form.html.erb #2

= form_for(@task, :html => { :class => "form-horizontal"}) do |f|

	.control-group
		.control-label=f.label :body
		.controls=f.text_field :body

	.control-group
		.control-label=f.label :status
		.controls=f.label :status

	.control-group
		.controls=f.submit :class => "btn"

_form.html.erb　→　_form.html.hamlに変更


参考
http://twitter.github.com/bootstrap/components.html

view > tasks



----

rake routes #uri表示

rails c #コンソール
> Task

> Task.all

> @task.body = "chinco"

> @task.status = false

> @task

> @task.save

> Task.find(2)

> Task.find_by_body("chinco")

> Task.find_by_body(false)

> Task.where(:status => false)

>Task.find_all_by_status(false)

---

git init #todoの中で
git status
git add .
git commit -am "Initial commit"
git branch

heroku login
heroku create

git remote -v

vim ./Gemfile
	
	group :development, :test do
		gem 'sqlite3'
	end

	group :production do
		gem 'ps'
		gem 'thin'
	end

bundle install

git status

git add .
git status
git commit -am "Impl gems"
git push heroke master

heroke open
heroke logs
heroke run rake db:migrate