vrfs-775: fixed arg handling in new musicians email

ruby/lib/jam_ruby/models/user.rb

@@ -990,7 +990,8 @@ module JamRuby
         .limit(3)
     end
 
-    def self.deliver_new_musician_notifications(since_date=Time.now-1.week)
+    def self.deliver_new_musician_notifications(since_date=nil)
+      since_date ||= Time.now-1.week
       self.geocoded_users.find_each do |usr|
         Search.new_musicians(usr, since_date) do |new_nearby|
           UserMailer.new_musicians(usr, new_nearby).deliver

web/lib/tasks/users.rake

@@ -1,7 +1,9 @@
 namespace :users do
-  desc "Import a maxmind database; run like this: rake db:import_maxmind_geo file=<path_to_Geo139.csv>"
-  task new_musician_email: :environment do
-    User.deliver_new_musician_notifications(Time.now-12.months)
+
+  desc "Send new musicians in your area emails to all users"
+  task :new_musician_email, [:since_date] => :environment do |task, args|
+    since_date = Date.strptime(args[:since_date]) rescue nil
+    User.deliver_new_musician_notifications(since_date)
   end
 
 end