class UploadsController < ApplicationController
  before_filter :login_required
  # GET /uploads
  # GET /uploads.xml
  def index
    @uploads = Upload.find(:all)

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

  # GET /uploads/1
  # GET /uploads/1.xml
  def show
    @upload = Upload.find(params[:id])

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

  # GET /uploads/new
  # GET /uploads/new.xml
  def new
    @upload = Upload.new
    @ebooks = 

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

  # GET /uploads/1/edit
  def edit
    @upload = Upload.find(params[:id])
  end

  # POST /uploads
  # POST /uploads.xml
  def create
    unless params[:upload][:file].blank?   
      datafile=params[:upload][:file]
      unless params[:upload][:file].original_filename.empty?
        d = RAILS_ROOT + '/public/uploads/files/' + datafile.original_filename.rstrip.lstrip
        @upload = Upload.new
        @upload.filename = datafile.original_filename
        @upload.content_type = datafile.content_type
        #@upload.size = datafile.size.blank? ? 0 : datafile.size

        f=File.new(d,'wb')
        f.write datafile.read
        f.close
        
        @upload.size = File.size(d)
        
        if @upload.save && File.exists?(d)
          flash[:notice] = 'The file was successfully uploaded.'
          redirect_to :action => 'index'
        else
          File.delete(d) if File.exists?(d)
          Upload.destroy(@upload.id) if Upload.exists?(@upload.id)
          flash[:notice] = 'A problem occured while saving the file.'
          render :action => "new"
        end
      else
         flash[:notice] = 'The filename was invalid.'
         render :action => 'new'
      end
    else
      flash[:notice] = 'The filename was invalid.'
      render :action => 'new'
    end
  end
  
  # PUT /uploads/1
  # PUT /uploads/1.xml
  def update
    @upload = Upload.find(params[:id])

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

  # DELETE /uploads/1
  # DELETE /uploads/1.xml
  def destroy
    
    @upload = Upload.find(params[:id])
    d=RAILS_ROOT + '/public/uploads/files/' + @upload.filename
    File.delete(d) if File.exists?(d)
    @upload.destroy
    
    
    respond_to do |format|
      format.html { redirect_to(uploads_url) }
      format.xml  { head :ok }
    end
  end
end