yannski/tp1.3.rb

## tp1.3.rb
require "sinatra"

get '/' do
  html = ""
  filenames = Dir.glob("articles/*.txt").sort.reverse
  filenames.each{|filename|
    html += article_as_html(filename, 100)
  }
  return layout(html)
end

get '/articles/:id' do
  filename = "articles/" + params[:id] + ".txt"
  return layout(article_as_html(filename))
end

# à partir d'un nom de fichier, retourne un fragment HTML
def article_as_html filename, length = nil
  content = File.read filename
  lines = content.lines
  first_line  = lines.shift
  other_lines = lines
  res  = "<h1>"+first_line+"</h1>"
  body = other_lines.join(" ")
  # si le paramètre length n'est pas null
  if length != nil
    # on tronque le corps de texte
    res += "<p>"+body[0, length]+"</p>"
    # on ajoute un lien vers la page de l'article
    res += "<a href='/"+filename.split(".").first+"'>lire la suite</a>"
  else
    res += "<p>"+body+"</p>"
    res += "<a href='/'>Revenir à la liste</a>"
  end
end

# englobe un contenu dans un layout HTML
def layout content
  html = '<html><head><title>Mon blog</title><link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous"></head><body>'
  html += '<div class="container"><div class="row"><div class="col-12">'
  html += content
  html += "</div></div></div></body></html>"
end
	require "sinatra"

	get '/' do
	html = ""
	filenames = Dir.glob("articles/*.txt").sort.reverse
	filenames.each{\|filename\|
	html += article_as_html(filename, 100)
	}
	return layout(html)
	end

	get '/articles/:id' do
	filename = "articles/" + params[:id] + ".txt"
	return layout(article_as_html(filename))
	end

	# à partir d'un nom de fichier, retourne un fragment HTML
	def article_as_html filename, length = nil
	content = File.read filename
	lines = content.lines
	first_line = lines.shift
	other_lines = lines
	res = "<h1>"+first_line+"</h1>"
	body = other_lines.join(" ")
	# si le paramètre length n'est pas null
	if length != nil
	# on tronque le corps de texte
	res += "<p>"+body[0, length]+"</p>"
	# on ajoute un lien vers la page de l'article
	res += "<a href='/"+filename.split(".").first+"'>lire la suite</a>"
	else
	res += "<p>"+body+"</p>"
	res += "<a href='/'>Revenir à la liste</a>"
	end
	end

	# englobe un contenu dans un layout HTML
	def layout content
	html = '<html><head><title>Mon blog</title><link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-alpha.6/css/bootstrap.min.css" integrity="sha384-rwoIResjU2yc3z8GV/NPeZWAv56rSmLldC3R/AZzGRnGxQQKnKkoFVhFQhNUwEyJ" crossorigin="anonymous"></head><body>'
	html += '<div class="container"><div class="row"><div class="col-12">'
	html += content
	html += "</div></div></div></body></html>"
	end