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require 'geokit'
require 'geo_ruby'
module Chouette
class AccessPoint < Chouette::ActiveRecord
has_metadata
include Geokit::Mappable
include ProjectionFields
has_many :access_links, :dependent => :destroy
belongs_to :stop_area
attr_accessor :access_point_type
attr_writer :coordinates
validates_presence_of :name
validates_presence_of :access_type
validates_presence_of :latitude, :if => :longitude
validates_presence_of :longitude, :if => :latitude
validates_numericality_of :latitude, :less_than_or_equal_to => 90, :greater_than_or_equal_to => -90, :allow_nil => true
validates_numericality_of :longitude, :less_than_or_equal_to => 180, :greater_than_or_equal_to => -180, :allow_nil => true
validates_format_of :coordinates, :with => %r{\A *-?(0?[0-9](\.[0-9]*)?|[0-8][0-9](\.[0-9]*)?|90(\.[0]*)?) *\, *-?(0?[0-9]?[0-9](\.[0-9]*)?|1[0-7][0-9](\.[0-9]*)?|180(\.[0]*)?) *\Z}, :allow_nil => true, :allow_blank => true
before_save :coordinates_to_lat_lng
def self.nullable_attributes
[:street_name, :country_code, :comment, :long_lat_type, :zip_code, :city_name]
end
def referential
@referential ||= Referential.where(:slug => Apartment::Tenant.current).first!
end
def combine_lat_lng
if self.latitude.nil? || self.longitude.nil?
""
else
self.latitude.to_s+","+self.longitude.to_s
end
end
def coordinates
@coordinates || combine_lat_lng
end
def coordinates_to_lat_lng
if ! @coordinates.nil?
if @coordinates.empty?
self.latitude = nil
self.longitude = nil
else
self.latitude = BigDecimal.new(@coordinates.split(",").first)
self.longitude = BigDecimal.new(@coordinates.split(",").last)
end
@coordinates = nil
end
end
def to_lat_lng
Geokit::LatLng.new(latitude, longitude) if latitude and longitude
end
def geometry
GeoRuby::SimpleFeatures::Point.from_lon_lat(longitude, latitude, 4326) if latitude and longitude
end
def geometry=(geometry)
geometry = geometry.to_wgs84
self.latitude, self.longitude, self.long_lat_type = geometry.lat, geometry.lng, "WGS84"
end
def position
geometry
end
def position=(position)
position = nil if String === position && position == ""
position = Geokit::LatLng.normalize(position), 4326 if String === position
self.latitude = position.lat
self.longitude = position.lng
end
def default_position
stop_area.geometry or stop_area.default_position
end
def access_point_type
access_type && Chouette::AccessPointType.new(access_type.underscore)
end
def access_point_type=(access_point_type)
self.access_type = (access_point_type ? access_point_type.camelcase : nil)
end
@@access_point_types = nil
def self.access_point_types
@@access_point_types ||= Chouette::AccessPointType.all.select do |access_point_type|
access_point_type.to_i >= 0
end
end
def generic_access_link_matrix
matrix = Array.new
hash = Hash.new
access_links.each do |link|
hash[link.link_key] = link
end
key=Chouette::AccessLink.build_link_key(self,stop_area,"access_point_to_stop_area")
if hash.has_key?(key)
matrix << hash[key]
else
link = Chouette::AccessLink.new
link.access_point = self
link.stop_area = stop_area
link.link_orientation_type = "access_point_to_stop_area"
matrix << link
end
key=Chouette::AccessLink.build_link_key(self,stop_area,"stop_area_to_access_point")
if hash.has_key?(key)
matrix << hash[key]
else
link = Chouette::AccessLink.new
link.access_point = self
link.stop_area = stop_area
link.link_orientation_type = "stop_area_to_access_point"
matrix << link
end
matrix
end
def detail_access_link_matrix
matrix = Array.new
hash = Hash.new
access_links.each do |link|
hash[link.link_key] = link
end
stop_area.children_at_base.each do |child|
key=Chouette::AccessLink.build_link_key(self,child,"access_point_to_stop_area")
if hash.has_key?(key)
matrix << hash[key]
else
link = Chouette::AccessLink.new
link.access_point = self
link.stop_area = child
link.link_orientation_type = "access_point_to_stop_area"
matrix << link
end
key=Chouette::AccessLink.build_link_key(self,child,"stop_area_to_access_point")
if hash.has_key?(key)
matrix << hash[key]
else
link = Chouette::AccessLink.new
link.access_point = self
link.stop_area = child
link.link_orientation_type = "stop_area_to_access_point"
matrix << link
end
end
matrix
end
def geometry_presenter
Chouette::Geometry::AccessPointPresenter.new self
end
end
end
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