module SpatialExtensions

# File lib/spatial_features/controller_helpers/spatial_extensions.rb, line 11
def abstract_proximity_action(scope, target, distance, &block)
  @nearby_records = scope_for_search(scope).within_buffer(target, distance, :distance => true, :intersection_area => true).order('distance_in_meters ASC, intersection_area_in_square_meters DESC, id ASC')
  @target = target

  yield if block_given?

  respond_to do |format|
    format.html { render :template => 'shared/spatial/feature_proximity', :layout => false }
    format.kml { render :template => 'shared/spatial/feature_proximity' }
  end
end

# File lib/spatial_features/controller_helpers/spatial_extensions.rb, line 4
def abstract_refresh_geometry_action(models)
  Array.wrap(models).each do |model|
    model.failed_feature_update_jobs.destroy_all
    model.delay_update_features!
  end
end

# File lib/spatial_features/controller_helpers/spatial_extensions.rb, line 23
def abstract_venn_polygons_action(scope, target, &block)
  @venn_polygons = SpatialFeatures.venn_polygons(scope_for_search(scope).intersecting(target), target.class.where(:id => target), :target => target)
  @klass = klass_for_search(scope)
  @target = target

  yield if block_given?

  respond_to do |format|
    format.kml { render :template => 'shared/spatial/feature_venn_polygons' }
  end
end

# File lib/spatial_features/controller_helpers/spatial_extensions.rb, line 35
def klass_for_search(scope_or_class)
  scope_or_class.is_a?(ActiveRecord::Relation) ? scope_or_class.klass : scope_or_class
end

# File lib/spatial_features/controller_helpers/spatial_extensions.rb, line 39
def scope_for_search(scope)
  params.key?(:ids) ? scope.where(:id => params[:ids]) : scope
end