follow_up_visit_gardens_controller.rb

class FollowUpVisitGardensController < ApplicationController
 
  def new                                                   
    #1st you retrieve the group thanks to params[:group_id] 
    #2nd you build a new comment                            
    @group = Group.find(params[:group_id])                  
    @gardener= Gardener.find(params[:gardener_id]) 
    @follow_up_visit_garden= FollowUpVisitGarden.new              
    if @gardener.valid?
      render "new"
    else
      redirect_to edit_group_gardener_path(@group, @gardener)                                                      
    end                                                     
  end
end

# GET /groups/:group_id/gardeners/:id/edit
  def edit
    #1st you retrieve the group thanks to params[:group_id]
    group = Group.find(params[:group_id])
    #2nd you retrieve the comment thanks to params[:id]
    @gardener= group.gardeners.find(params[:gardener_id])
    @follow_up_visit_garden = @gardener.build_follow_up_visit_garden
    @gardener.build_follow_up_visit_garden
  end
 
# POST /groups/:group_id/group_gardeners
# POST /groups/:group_id/group_gardeners.xml

 def create
   #1st you retrieve the group thanks to params[:group_id]
   group = Group.find(params[:group_id])
   #2nd you create the trainer wih arguments in params [:gardener]
   @gardener= group.gardeners.find(params[:gardener_id])
   @follow_up_visit_garden = @gardener.build_follow_up_visit_garden follow_up_visit_garden_params
   if @gardener.save!
     redirect_to new_group_gardener_follow_up_visit_eating_path(@group, @gardener)
   else
     render "edit"
   end
 end

  def update
    #1st you retrieve the group thanks to params[:group_id]
    group = Group.find(params[:group_id])
    @gardener = group.gardeners.find(params[:id])
 
    respond_to do |format|
      if @gardener.update_attributes(follow_up_visit_garden_params)
        #1st argument of redirect_to is an array, in order to build the correct route to the nested resource gardener
     format.html {redirect_to([@gardener.group, @gardener], :notice => 'what what was successfully updated')}
     format.xml { head :ok}
      else
        format.html {render :action => "edit"}
        format.xml {render :xml => @gardener.errors, :status => :unprocessable_entity}
      end
    end
  end
  
  private
 
  def follow_up_visit_garden_params
    params.require(:follow_up_visit_garden).permit(:gardener_id,:still_gardening, :rating, :mini_nursery, :compost_heap, :trench_bed, :trench_bed_sum, :container_garden, :container_garden_sum, :other, :other_qualitative)
  end

  def gardener_params
   params.require(:gardener).permit(:first_name, :last_name, :contact_number, :address, :group_id, :garden_at_home, :document, :id_number, :avatar)
  end