Songs Controller

gistfile1.rb

class SongsController < ApplicationController

  before_filter :authenticate_user!
  
  # GET /songs
  # GET /songs.json
  def index
    @songs = Song.all

    respond_to do |format|
      format.html # index.html.erb
      format.json { render json: @songs }
    end
  end

  # GET /songs/1
  # GET /songs/1.json
  def show
    @lastsong = Song.last
    @firstsong = Song.first
    @song = Song.find(params[:id])

    respond_to do |format|
      format.html # show.html.erb
      format.json { render json: user_song_url }
    end
  end

  # GET /songs/new
  # GET /songs/new.json
  def new
      @song = current_user.songs.build

      respond_to do |format|
      format.html # new.html.erb
      format.json { render json: @song }
    end
  end

  # GET /songs/1/edit
  def edit
     @song = Song.find(params[:id])
  end

  # POST /songs
  # POST /songs.json
  def create
    @song = current_user.songs.build(params[:song])

    respond_to do |format|
      if @song.save
        format.html { redirect_to user_song_path(@song.user, @song), notice: 'Song was successfully created.' }
        format.json { render json: @song, status: :created, location: @song }
      else
        format.html { render action: "new" }
        format.json { render json: @song.errors, status: :unprocessable_entity }
      end
    end
  end

  # PUT /songs/1
  # PUT /songs/1.json
  def update
    @song = Song.find(params[:id])

    if user_song_url.song.update_attributes(params[:song])
      redirect_to @song, notice: 'Song was successfully updated.' 
    else
      render "edit" 
    end
  end

  # DELETE /songs/1
  # DELETE /songs/1.json
  def destroy
    @song = Song.find(params[:id])
    @song.destroy

    respond_to do |format|
      format.html { redirect_to user_song_url }
      format.json { head :no_content }
    end
  end

  def vote_up
    @song = Song.find(params[:id]) 
    voter = current_user 

    respond_to do |format|
      if voter.vote_exclusively_for(@song)
        format.html { redirect_to user_song_url, notice: 'Liked!' }
        format.json { head :ok }
      else
        format.html { redirect_to user_song_url, notice: 'Something went wrong...' }
        format.json { render json: user_song_url.errors, status: :unprocessable_entity }
      end
    end
  end

  def vote_down
    @song = Song.find(params[:id])
    voter = current_user

    respond_to do |format|
      if voter.vote_exclusively_against(@song)
        format.html { redirect_to user_song_url, notice: 'Unliked!'}
        format.json { head :ok }
      else
        format.html { redirect_to user_song_url, notice: 'Something went wrong...' }
        format.json { render json: user_song_url.errors, status: :unprocessable_entity }
      end
    end
  end
end