metamaps--metamaps/app/controllers/synapses_controller.rb

class SynapsesController < ApplicationController
  include TopicsHelper

  before_filter :require_user, only: [:create, :update, :destroy]
    
  respond_to :json
  
  # GET /synapses/1.json
  def show
    @synapse = Synapse.find(params[:id])

    #.authorize_to_show(@current)
	
    #if not @synapse
    #  redirect_to root_url and return
    #end
      
    render json: @synapse
  end
  
  # POST /synapses
  # POST /synapses.json
  def create
    @synapse = Synapse.new(synapse_params)
    @synapse.update_attribute :desc, "" if @synapse.desc.nil?

    respond_to do |format|
      if @synapse.save
        format.json { render json: @synapse, status: :created }
      else
        format.json { render json: @synapse.errors, status: :unprocessable_entity }
      end
    end
  end
  
  # PUT /synapses/1
  # PUT /synapses/1.json
  def update
    @synapse = Synapse.find(params[:id])
    @synapse.update_attribute :desc, "" if @synapse.desc.nil?

    respond_to do |format|
      if @synapse.update_attributes(synapse_params)
        format.json { head :no_content }
      else
        format.json { render json: @synapse.errors, status: :unprocessable_entity }
      end
    end
  end
  
  # DELETE synapses/:id
  def destroy
    @current = current_user
    @synapse = Synapse.find(params[:id]).authorize_to_delete(@current)
    @synapse.delete if @synapse
      
    respond_to do |format|
      format.json { head :no_content }
    end
  end

  private

  def synapse_params
    params.require(:synapse).permit(:id, :desc, :category, :weight, :permission, :node1_id, :node2_id, :user_id)
  end
end