2014/11/12のブログ記事のサンプルコード

blog_sample01.rb

class Post
  def initialize(title, body)
    @title, @body = title, body
  end

  def render
    <<-EOS
<article>
  <h1>#{@title}</h1>
  <p>#{@body}</p>
</article>
    EOS
  end
end

post = Post.new('タイトル', '記事の内容')
puts post.render
# =>
# <article>
#   <h1>タイトル</h1>
#   記事の内容
# </article>

blog_sample02.rb

class Post
  def initialize(title, body)
    @title, @body = title, body
  end

  def render
    <<-EOS
<article>
  <h1>#{@title}</h1>
  <p>#{@body}</p>
</article>
    EOS
  end

  def self.find(filename)
    path = File.join(File.dirname(__FILE__), filename)
    title, body = File.read(path).split("\n", 2).map(&:strip)
    Post.new(title, body)
  end
end

post = Post.find('foo.txt')
puts post.render

blog_sample03.rb

class Post
  def self.render(title, body)
    <<-EOS
<article>
  <h1>#{title}</h1>
  <p>#{body}</p>
</article>
    EOS
  end
end

puts Post.render('タイトル', '記事の内容')
# =>
# <article>
#   <h1>タイトル</h1>
#   記事の内容
# </article>

blog_sample04.rb

class Post
  def self.render(title, body)
    <<-EOS
<article>
  <h1>#{title}</h1>
  <p>#{body}</p>
</article>
    EOS
  end

  def self.find(filename)
    path = File.join(File.dirname(__FILE__), filename)
    title, body = File.read(path).split("\n", 2).map(&:strip)
    { title: titile, body: body }
  end
end

post_hash = Post.find('foo.txt')
Post.render(post_hash[:title], post_hash[:body])

blog_sample05.rb

class Post
  def self.render(title, keyword, description, category, body)
    <<-EOS
<article>
  <h1>#{title}</h1>
  <p>#{keyword} #{description} #{category}</p>
  <p>#{body}</p>
</article>
    EOS
  end

  def self.find(filename)
    path = File.join(File.dirname(__FILE__), filename)
    title, keyword, description, category, body = File.read(path).split("\n", 5).map(&:strip)
    { title: titile, keyword: keyword, description: description, category: category, body: body }
  end
end

post_hash = Post.find('foo.txt')
Post.render(post_hash[:title], post_hash[:keyword], post_hash[:description], post_hash[:category], post_hash[:body])

blog_sample06.rb

class Post
  def initialize(title, keyword, description, category, body)
    @title       = title
    @keyword     = keyword
    @description = description
    @category    = category
    @body        = body
  end

  def render
    <<-EOS
<article>
  <h1>#{@title}</h1>
  <p>#{@keyword} #{@description} #{@category}</p>
  <p>#{@body}</p>
</article>
    EOS
  end

  def self.find(filename)
    path = File.join(File.dirname(__FILE__), filename)
    title, keyword, description, category, body = File.read(path).split("\n", 5).map(&:strip)
    Post.new(title, keyword, description, category, body)
  end
end

post = Post.find('foo.txt')
post.render