module SectionsHelper
  # Render a section as a GeoJSON FeatureCollection
  def geojson_feature_collection(section)
    out = []
    class_name = { baseVal: "cat#{section.category_id} sec#{section.id}" }
    style = { fill: section.category.color }

    section.resources.each do |marker|
      # Add styling
      marker = marker.to_geojson
      marker['className'] = class_name
      marker['style'] = style

      out << marker.to_json
    end

    raw("{ \"type\": \"FeatureCollection\", \"features\": [ #{out.join(',')} ] }")
  end
end