demarches-normaliennes/app/services/module_api_carto_service.rb

class ModuleApiCartoService
  def self.save_qp! dossier, json_latlngs
    if dossier.procedure.module_api_carto.quartiers_prioritaires?
      qp_list = generate_qp JSON.parse(json_latlngs)

      qp_list.each_value do |qp|
        qp.merge!({dossier_id: dossier.id})
        qp[:geometry] = qp[:geometry].to_json
        QuartierPrioritaire.create(qp)
      end
    end
  end

  def self.save_cadastre! dossier, json_latlngs
    if dossier.procedure.module_api_carto.cadastre?
      cadastre_list = generate_cadastre JSON.parse(json_latlngs)

      cadastre_list.each do |cadastre|
        cadastre.merge!({dossier_id: dossier.id})
        cadastre[:geometry] = cadastre[:geometry].to_json
        Cadastre.create(cadastre)
      end
    end
  end

  def self.generate_qp coordinates
    coordinates.inject({}) { |acc, coordinate|
      acc.merge CARTO::SGMAP::QuartiersPrioritaires::Adapter.new(
                    coordinate.map { |element| [element['lng'], element['lat']] }).to_params
    }
  end

  def self.generate_cadastre coordinates
    (coordinates.inject([]) { |acc, coordinate|
      acc << CARTO::SGMAP::Cadastre::Adapter.new(
          coordinate.map { |element| [element['lng'], element['lat']] }).to_params
    }).flatten
  end
end