class Photos < Application before :logged_in?, :only => [ :new, :create, :delete ] before :administrator?, :only => [ :delete ] before :make_photo, :only => [ :new, :create ] before :fetch_photo, :only => [ :show, :delete, :thumbnail ] def index @page = params[:page].to_i per_page = 24 @page_count = (Photo.count(:id).to_f / per_page.to_f).ceil @photos = Photo.find :all, :order => 'id DESC', :limit => per_page, :offset => (per_page * @page) if request.xhr? partial 'photos/photo_browser' else render end end def show render end def new render end def create if @photo.save flash[:notice] = 'Great success' redirect url(:photo, @photo) else render :new end end def delete raise NotAcceptable unless request.xhr? if current_user and current_user.administrator? render else redirect '/' end end def thumbnail if @photo.exist? w = params[:width].to_i w = @photo.width if w == 0 or w > @photo.width h = params[:height].to_i h = @photo.height if h == 0 or h > @photo.height w = h if h > w send_data get_photo_version(w, w).to_blob, :filename => @photo.filename, :disposition => 'inline', :type => @photo.content_type else send_file Merb.root + '/public/images/image-missing.png', :disposition => 'inline' end end protected def make_photo @photo = Photo.new params[:photo] end def fetch_photo @photo = Photo.find params[:id] raise NotFound unless @photo end end