Working with form methods in Sinatra

form.html

<form method="get" action="/input">
  <input type="text" name="input"  /> 
  <input type="submit" value="Submit" />
</form>

refactored.rb

get '/input' do
  @input = params[:input]
  # I'm assuming this instantiates a TorchRoom object from the class below
  @location = current_location
  case @location.class
  when TorchRoom
    next_room = @location.move(@input.gsub('go ', ''))
    if next_room.blank?
      puts "I don't understand what you just said."
      erb :torch_room
    else
      redirect_to next_room
    end
  end
end

# ...
# Some other file, probably, but required
# Also, turn input into "north" instead of "go north" somewhere

class TorchRoom
  ADJACENT_ROOMS = {
    "north" => "dais_room",
    "northwest" => "chest_room",
    "northeast" => "orb_room"
  }

  def move(direction)
    next_room = ADJACENT_ROOMS[direction]
  end
end

what_i_have.rb

get '/input' do
  @input = params[:input]
end

get '/' do
  @torch_room = torch_room
  @location == @torch_room # Did you mean assignment here?
  case @input 
  when "go northwest"
    redirect "/chest_room"
  when "go north"
    redirect "/dais_room"
  when "go northeast"
    redirect "/orb_room"
  else
    puts "I don't understand what you just said."
    erb :torch_room
  end
end