Merge pull request #53 from keithrbennett/sort-orgs-by-name

Add sort-orgs.rb script to sort organizations

README.md

@@ -11,6 +11,8 @@ Sometimes folks are interested in finding a new gig, in a new location. Ruby Map
 What if your company / meetup / event is missing on the map? No problem, just send us a PR and it will get added asap.
 An example PR can be found [here](https://github.com/lewispb/rubymap/pull/1).
 
+Please try to maintain the order-by-name of the yaml file, to prevent merge conflicts.
+
 ## Prerequisites
 
 ```bash

bin/sort-orgs.rb

@@ -0,0 +1,49 @@
+#!/usr/bin/ruby
+
+# Replaces the organizations.yml file with its data sorted by name, case insensitively.
+# Before overwriting the file, tests that the unsorted and sorted data,
+# converted to sets, are equal.
+
+require 'set'
+require 'yaml'
+
+def orgs_filespec
+  @orgs_filespec ||= begin
+    project_root = File.expand_path(File.join(File.dirname(__FILE__), '..'))
+    File.join(project_root, 'data', 'seeds', 'organizations.yml')
+  end
+end
+
+
+def test(unsorted, sorted)
+  if Set.new(unsorted) != Set.new(sorted)
+    raise "Sort corrupted the data."
+  end
+end
+
+
+def sort_orgs_case_insensitively(orgs)
+  orgs.sort { |org1, org2| org1['name'].casecmp(org2['name']) }
+end
+
+
+def main
+  orgs = YAML.load_file(orgs_filespec)
+  sorted_orgs = sort_orgs_case_insensitively(orgs)
+
+  if orgs == sorted_orgs
+    puts "File was already sorted. No need to overwrite."
+    exit(0)
+  else
+
+    # Enable this line to verify that the test that tests for data corruption works:
+    # sorted_orgs.pop
+
+    test(orgs, sorted_orgs)
+    File.write(orgs_filespec, sorted_orgs.to_yaml)
+    puts "Organizations file sort successful."
+  end
+end
+
+
+main