Contents

require_dependency "publish_my_data/application_controller"

module PublishMyData
  class DatasetsController < ApplicationController

    respond_to :html, :ttl, :rdf, :nt, :json

    # /datasets/:id (where :id is the dataset 'slug')
    def show
      @dataset = Dataset.find_by_slug(params[:id])
      @types = RdfType.where('?s a ?uri').graph(@dataset.data_graph_uri).resources

      if request.format.html?
        @type_resource_counts = {}
        @types.each do |t|
          @type_resource_counts[t.uri.to_s] = Resource.where("?uri a <#{t.uri.to_s}>").count
        end
      end

      respond_with(@dataset)
    end

    # /datasets?page=2&per_page=10
    # /datasets?theme=foo
    def index
      dataset_criteria = Dataset.all
      dataset_criteria = add_theme_filter(dataset_criteria)
      @datasets = paginate_resources(dataset_criteria)
      respond_with(@datasets)
    end

    def themes
      # TODO: decide on how the themes will be represented in the metadata.
      # Get a list of themes.
      @themes = ['theme1', 'theme2']
    end

    private

    def add_theme_filter(criteria)
      unless params[:theme].blank?
        @theme = params[:theme]
        criteria.where("?uri <#{PMD_DS.theme}> '#{@theme}'")
      end
      criteria
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
publish_my_data-0.0.3	app/controllers/publish_my_data/datasets_controller.rb
publish_my_data-0.0.2	app/controllers/publish_my_data/datasets_controller.rb
publish_my_data-0.0.1	app/controllers/publish_my_data/datasets_controller.rb