class BooksController < ApplicationController
  # GET /books
  # GET /books.xml

  before_filter :check_admin, :except => [:index, :show]

  def check_admin
    if !current_user.admin
      redirect_to(books_path, :notice=>"Gotta be admin")
    end
  end


  def index
    #@books = Book.all

    if params[:search]
      @books = Book.search params[:search]
    else
      @books = Book.all
    end

    respond_to do |format|
      format.html # index.html.erb
      format.xml  { render :xml => @books }
    end
  end

  # GET /books/1
  # GET /books/1.xml
  def show
    @book = Book.find(params[:id])
    @copies = @book.copies.order(:sold, :price).limit(10)

    respond_to do |format|
      format.html # show.html.erb
      format.xml  { render :xml => @book }
    end
  end

  # GET /books/new
  # GET /books/new.xml
  def new
    @book = Book.new
    @subject = Subject.all.collect {|s| [ s.name, s.id ]}

    respond_to do |format|
      format.html # new.html.erb
      format.xml  { render :xml => @book }
    end
  end

  # GET /books/1/edit
  def edit
    @book = Book.find(params[:id])
    @subject = Subject.all.collect {|s| [ s.name, s.id ]}
  end

  # POST /books
  # POST /books.xml
  def create

    @book = Book.new(params[:book])
    @book.user = current_user

    respond_to do |format|
      if @book.save
        format.html { redirect_to(@book, :notice => 'Book was successfully created.') }
        format.xml  { render :xml => @book, :status => :created, :location => @book }
      else
        format.html { render :action => "new" }
        format.xml  { render :xml => @book.errors, :status => :unprocessable_entity }
      end
    end
  end

  # PUT /books/1
  # PUT /books/1.xml
  def update
    @book = Book.find(params[:id])

    respond_to do |format|
      if @book.update_attributes(params[:book])
        format.html { redirect_to(@book, :notice => 'Book was successfully updated.') }
        format.xml  { head :ok }
      else
        format.html { render :action => "edit" }
        format.xml  { render :xml => @book.errors, :status => :unprocessable_entity }
      end
    end
  end

  # DELETE /books/1
  # DELETE /books/1.xml
  def destroy
    @book = Book.find(params[:id])
    @book.destroy

    respond_to do |format|
      format.html { redirect_to(books_url) }
      format.xml  { head :ok }
    end
  end
end