Sha256: fface1c33be1c8945d6b06504874a82a730503e793bb981306a29063fc59af71
Contents?: true
Size: 1.8 KB
Versions: 13
Compression:
Stored size: 1.8 KB
Contents
# encoding: utf-8
module Mongoid #:nodoc:
module Criterion #:nodoc:
# NearSpecial criterion is used when performing #near with symbols to get
# get a shorthand syntax for where clauses.
#
# @example Coninputersion of a simple to complex criterion.
# { :field => { "$nearSphere" => => [20,30]}, '$maxDistance' => 5 }
# becomes:
# { :field.near(:sphere) => {:point => [20,30], :max => 5, :unit => :km} }
class NearSpacial < Complex
# Coninputert input to query for near or nearSphere
#
# @example
# near = NearSpacial.new(:key => :field, :operator => "near")
# near.to_mongo_query({:point => [:50,50], :max => 5, :unit => :km}) => { '$near : [50,50]' , '$maxDistance' : 5 }
#
# @param [Hash,Array] input input to coninputer to query
def to_mongo_query(input)
if input.kind_of?(Hash)
raise ':point required to make valid query' unless input[:point]
input[:point] = input[:point].to_lng_lat if input[:point].respond_to?(:to_lng_lat)
query = {"$#{operator}" => input[:point] }
if input[:max]
query['$maxDistance'] = input[:max].to_f
if unit = Mongoid::Spacial.earth_radius[input[:unit]]
unit *= Mongoid::Spacial::RAD_PER_DEG unless operator =~ /sphere/i
input[:unit] = unit
end
query['$maxDistance'] = query['$maxDistance']/input[:unit].to_f if input[:unit]
end
query
elsif input.kind_of? Array
if input.first.kind_of? Numeric
{"$#{operator}" => input }
else
input[0] = input[0].to_lng_lat if input[0].respond_to?(:to_lng_lat)
{"$#{operator}" => input[0], '$maxDistance' => input[1] }
end
end
end
end
end
end
Version data entries
13 entries across 13 versions & 3 rubygems