madebyhiro/codem-schedule

# = Presets Controller
#
# A preset represents command line options for ffmpeg sent to the Transcoder
module Api
  class PresetsController < ApiController
    # == Returns a list of presets
    #
    # == Example:
    #   $ curl http://localhost:3000/api/presets
    #
    #   [
    #     {"preset":{
    #       "created_at":"2011-05-09T11:59:53Z",
    #       "id":1,
    #       "name":"h264",
    #       "parameters":"-acodec libfaac -ab 96k -ar 44100 -vcodec libx264 -vb 416k -vpre slow -vpre baseline -s 320x180 -y",
    #       "thumbnail_options":null,
    #       "updated_at":"2011-05-09T11:59:53Z"}
    #     }
    #   ]
    def index
      respond_with Preset.all
    end

    # == Creates a preset
    #
    # Creates a preset using the specified parameters, which are all required. If the request was valid,
    # the created preset is returned. If the request could not be completed, a list of errors will be returned.
    #
    # === Parameters
    # Required:
    # <tt>name</tt>:: Name of the preset
    # <tt>params</tt>:: Parameters to use
    # Optional:
    # <tt>thumbnail_options</tt>:: Thumbnail options to use
    #
    # === Response codes
    # <tt>success</tt>:: <tt>201 created</tt>
    # <tt>failed</tt>::  <tt>406 Unprocessable Entity</tt>
    #
    # === Example
    #   $ curl -d 'name=webm&parameters=params' http://localhost:3000/api/presets
    #
    #   {"preset":{
    #     "created_at":"2011-05-10T14:44:07Z",
    #     "id":3,
    #     "name":"webm",
    #     "parameters":"params",
    #     "thumbnail_options":null,
    #     "updated_at":"2011-05-10T14:44:07Z"}
    #   }
    def create
      preset = Preset.from_api(params)

      if preset.valid?
        respond_with preset, location: api_preset_url(preset) do |format|
          format.html { redirect_to presets_path }
        end
      else
        respond_with preset do |format|
          format.html do
            @preset = preset
            render '/presets/new'
          end
        end
      end
    end

    # == Displays a preset
    #
    # === Parameters
    # <tt>id</tt>:: Id of the preset to display
    #
    # === Example
    #   $ curl http://localhost:3000/api/presets/1
    #
    #   {"preset":{
    #     "created_at":"2011-05-10T14:44:07Z",
    #     "id":3,
    #     "name":"webm",
    #     "parameters":"params",
    #     "thumbnail_options":null,
    #     "updated_at":"2011-05-10T14:44:07Z"}
    #   }
    def show
      respond_with Preset.find(params[:id])
    end

    # == Updates a preset
    #
    # === Parameters
    # <tt>id</tt>:: Id of the preset to update
    # <tt>name</tt>:: Name of the preset
    # <tt>parameters</tt>:: Parameters of the preset
    # <tt>thumbnail_options</tt>:: Thumbnail options
    #
    # === Example
    #
    #   $ curl -XPUT -d 'name=h264&parameters=params' http://localhost:3000/api/presets/1
    #   {} # HTTP Status: 200 OK
    def update
      if params[:preset]
        params[:name] = params[:preset][:name]
        params[:parameters] = params[:preset][:parameters]
        params[:thumbnail_options] = params[:preset][:thumbnail_options]
      end

      preset = Preset.find(params[:id])

      if preset.update_attributes(name: params[:name], parameters: params[:parameters], thumbnail_options: params[:thumbnail_options])
        respond_with preset, location: api_preset_url(preset) do |format|
          format.html { redirect_to presets_path }
        end
      else
        respond_with preset do |format|
          format.html do
            @preset = preset
            render '/presets/edit'
          end
        end
      end
    end

    # == Deletes a preset
    #
    # === Parameters
    # <tt>id</tt>:: Id of the preset to delete
    #
    # === Example
    #
    #   $ curl -XDELETE http://localhost:3000/api/presets/1
    #   {} # HTTP Status: 200 OK
    def destroy
      preset = Preset.find(params[:id])
      preset.destroy
      respond_with preset do |format|
        format.html { redirect_to presets_path }
      end
    end
  end
end