From ed04ff416b52ac04b0cf4f9a3e9cde5876ac1c0d Mon Sep 17 00:00:00 2001
From: Alex Reisner <alex@alexreisner.com>
Date: Fri, 28 Aug 2009 12:01:55 -0400
Subject: [PATCH] Add nearby_mysql_query class method to geocoded class.
---
README.rdoc | 6 ++----
lib/geocoder.rb | 16 +++++++++++-----
2 files changed, 13 insertions(+), 9 deletions(-)
diff --git a/README.rdoc b/README.rdoc
index 74d4d5bc..3ae8dec6 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -41,11 +41,9 @@ Find distance between object and a point:
obj.distance_to(40.71432, -100.23487) # in miles
obj.distance_to(40.71432, -100.23487, :km) # in kilometers
-If you're using a MySQL database and you need to do a search for objects
-within a given distance from a point, this method will generate a query for you:
-
- Geocoder.nearby_mysql_query('cities', 40.71432, -100.23487, 50)
+Find objects close to a point (Venue is a geocoded model):
+ Venue.near('Omaha, NE, US')
Please see the code for more methods and detailed information about arguments.
diff --git a/lib/geocoder.rb b/lib/geocoder.rb
index 6bc5ef52..bbcb03af 100644
--- a/lib/geocoder.rb
+++ b/lib/geocoder.rb
@@ -51,14 +51,20 @@ module Geocoder
def near(location, radius = 100, options = {})
latitude, longitude = Geocoder.fetch_coordinates(location)
return [] unless (latitude and longitude)
- # don't pass :table_name option to nearby_mysql_query
- table_name = options[:table_name] || self.to_s.tableize
- options.delete :table_name
- query = Geocoder.nearby_mysql_query(table_name,
- latitude, longitude, radius.to_i, options)
+ query = nearby_mysql_query(latitude, longitude, radius.to_i, options)
find_by_sql(query)
end
+ ##
+ # Generate a MySQL query to find all records within a radius (in miles)
+ # of a point.
+ #
+ def nearby_mysql_query(latitude, longitude, radius = 20, options = {})
+ table = options[:table_name] || self.to_s.tableize
+ options.delete :table_name # don't pass to nearby_mysql_query
+ Geocoder.nearby_mysql_query(table, latitude, longitude, radius, options)
+ end
+
##
# Get the name of the method that returns the search string.
#
--
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