module Ems
  class TagsController < ApplicationController
    load_and_authorize_resource :class => Ems::Tag
    include TagQueryBuilder

    # GET /tags
    # GET /tags.json
    def index
      if params[:filters]
        @tags = build_query_from_filters Tag, params[:filters]
      else
        @tags = Tag.all
      end

      respond_to do |format|
        format.html # index.html.erb
        format.json { render json: @tags }
      end
    end

    # GET /tags/1
    # GET /tags/1.json
    def show
      @tag = Tag.find(params[:id])

      respond_to do |format|
        format.html # edit.html.erb
        format.json { render json: @tag }
      end
    end

    # GET /tags/new
    # GET /tags/new.json
    def new
      @tag = Tag.new

      respond_to do |format|
        format.html # new.html.erb
        format.json { render json: @tag }
      end
    end

    # GET /tags/1/edit
    def edit
      @tag = Tag.find(params[:id])
    end

    # POST /tags
    # POST /tags.json
    def create
      @tag = Tag.new(params[:tag])

      respond_to do |format|
        if @tag.save
          format.html { redirect_to @tag, notice: 'Tag was successfully created.' }
          format.json { render json: @tag, status: :created, location: @tag }
        else
          format.html { render action: "new" }
          format.json { render json: @tag.errors, status: :unprocessable_entity }
        end
      end
    end

    # PUT /tags/1
    # PUT /tags/1.json
    def update
      @tag = Tag.find(params[:id])

      respond_to do |format|
        if @tag.update_attributes(params[:tag])
          format.html { redirect_to @tag, notice: 'Tag was successfully updated.' }
          format.json { head :no_content }
        else
          format.html { render action: "edit" }
          format.json { render json: @tag.errors, status: :unprocessable_entity }
        end
      end
    end

    # DELETE /tags/1
    # DELETE /tags/1.json
    def destroy
      @tag = Tag.find(params[:id])
      @tag.destroy

      respond_to do |format|
        format.html { redirect_to tags_url }
        format.json { head :no_content }
      end
    end
  end
end