mongdb/mongoid geospatial queries

gistfile1.txt

    location = params[:query][:location]
    radius = params[:query][:radius]
    @items = Item.where({:'origin.coordinates' => { "$within" => { "$centerSphere" => [ location, (radius.fdiv(3959) )]}}})
    
    
T controller
    @t = Location.where({:'origin.coordinates' => {"$within" => {"$centerSphere" => [origin, (oradius.fdiv(3959))]}}, '$and' => [{:'destination.states'.in => [state]}, "$or" => {:'destination.coordinates' => {"$within" => {"$centerSphere" => [dest, (dradius.fdiv(3959))]}}}]})