add tasks for counting and activating users

Rakefile

@@ -107,6 +107,23 @@ namespace :seinfeld do
     end
   end
 
+  desc "Counts active and disabled users"
+  task :count => :init do
+    active = Seinfeld::User.active.count
+    disabled = Seinfeld::User.count - active
+    puts "#{active} active users, #{disabled} disabled users"
+  end
+
+  desc "Re-enables a USER."
+  task :activate => :init do
+    login = ENV['user'].to_s
+    if login.size.zero?
+      Seinfeld::User.activate_group(50)
+    else
+      Seinfeld::User.activate_user(login)
+    end
+  end
+
   desc "Update the calendar of USER"
   task :update => :init do
     ENV['FEED_PAGE'] ||= '1'

lib/seinfeld/user.rb

@@ -31,6 +31,20 @@ def login=(s)
       write_attribute :login, s.blank? ? nil : s.downcase
     end
 
+    def self.activate_group(limit = 50)
+      disabled = connection.quote_column_name :disabled
+      truthy = connection.quoted_true
+      falsey = connection.quoted_false
+      sql = "UPDATE #{quoted_table_name} SET #{disabled} = #{falsey} WHERE #{disabled} = #{truthy} LIMIT #{limit.to_i}"
+      connection.execute(sql)
+    end
+
+    def self.activate_user(login)
+      if user = find_by_login(login)
+        user.update_attributes :disabled => false
+      end
+    end
+
     # Public: Queries a user's progress for a given month.
     #
     # Example