Class: Flutterby::Server

Inherits:
Object
  • Object
show all
Defined in:
lib/flutterby/server.rb

Instance Method Summary collapse

Constructor Details

#initialize(root) ⇒ Server

Returns a new instance of Server.



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# File 'lib/flutterby/server.rb', line 7

def initialize(root)
  @root = root
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/flutterby/server.rb', line 48

def call(env)
  req = Rack::Request.new(env)
  res = Rack::Response.new([], 200, {})

  # Look for target node in path registry
  if node = find_node_for_path(req.path)
    # Determine MIME type
    mime_type = MIME::Types.type_for(node.ext) || "text/plain"

    # Build response
    res.headers["Content-Type"] = mime_type
    res.body = [node.render(layout: true)]
  else
    res.status = 404
    res.headers["Content-Type"] = "text/html"
    res.body = ["404"]
  end

  res
end

#find_node_for_path(path) ⇒ Object 



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# File 'lib/flutterby/server.rb', line 69

def find_node_for_path(path)
  if node = @root.find(path, public_only: true)
    # If the node is a folder, try and find its "index" node.
    # Otherwise, use the node directly.
    node.folder? ? node.find('index') : node
  end
end

#run!(port: 4004) ⇒ Object 



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# File 'lib/flutterby/server.rb', line 11

def run!(port: 4004)
  # Set up listener
  listener = Listen.to(@root.fs_path) do |modified, added, removed|
    # puts "modified absolute path: #{modified}"
    # puts "added absolute path: #{added}"
    # puts "removed absolute path: #{removed}"

    Flutterby.logger.info "Change detected, reloading everything!"
    time = Benchmark.realtime do
      @root.reload!
      @root.stage!
    end
    Flutterby.logger.info "Reloaded complete tree in #{sprintf("%.1fms", time * 1000).colorize(:green)}"
  end

  # Set up Rack app
  BetterErrors.application_root = __dir__
  this = self
  app = Rack::Builder.app do |app|
    app.use BetterErrors::Middleware
    app.run this
  end

  # Set up server
  server = Rack::Handler::WEBrick

  # Make sure we handle interrupts correctly
  trap('INT') do
    listener.stop
    server.shutdown
  end

  # Go!
  listener.start
  server.run app, Port: port, Logger: Flutterby.logger
end