scinote-web/app/controllers/experiments_controller.rb

class ExperimentsController < ApplicationController
  include PermissionHelper
  before_action :set_experiment, except: [:new, :create]
  before_action :set_project, only: [:new, :create]
  before_action :check_view_permissions, only: [:canvas]

  # except parameter could be used but it is not working.
  layout :choose_layout

  def new
    @experiment = Experiment.new
    respond_to do |format|
      format.json do
        render json: {
          html: render_to_string(
            partial: 'new_modal.html.erb'
          )
        }
      end
    end
  end

  def create
    @experiment = Experiment.new(experiment_params)
    @experiment.created_by = current_user
    @experiment.last_modified_by = current_user
    @experiment.project = @project
    if @experiment.save
      flash[:success] = t('experiments.create.success_flash', experiment: @experiment.name)
      # have to change to experiments path
      redirect_to root_path
    else
      flash[:alert] = t('experiments.create.error_flash')
      redirect_to :back
    end
  end

  def canvas
    @project = @experiment.project
  end

  def update
    @experiment.update_attributes(experiment_params)
    @experiment.last_modified_by = current_user
    if @experiment.save
      flash[:success] = t('experiments.update.success_flash', experiment: @experiment.name)
      # have to change to experiments path
      redirect_to root_path
    else
      flash[:alert] = t('experiments.update.error_flash')
      redirect_to :back
    end
  end

  def archive_experiment
    @experiment.archived = true
    @experiment.archived_by = current_user
    @experiment.archived_on = DateTime.now
    if @experiment.save
      flash[:success] = t('experiments.archive.success_flash', experiment: @experiment.name)
      # have to change to experiments path
      redirect_to root_path
    else
      flash[:alert] = t('experiments.archive.error_flash')
      redirect_to :back
    end
  end

  private

  def set_experiment
    @experiment = Experiment.find_by_id(params[:id])
    render_404 unless @experiment
  end

  def set_project
    @project = Project.find_by_id(params[:project_id])
    render_404 unless @project
  end

  def experiment_params
    params.require(:experiment).permit(:name, :description)
  end

  def check_view_permissions
    render_403 unless can_view_experiment(@experiment)
  end

  def choose_layout
    action_name.in?(['index', 'archive']) ? 'main' : 'fluid'
  end
end