rake task to send reminders

reminder.rb

# redMine - project management software
# Copyright (C) 2008  Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

desc <<-END_DESC
Send reminders about issues due in the next days.

Available options:
  * days     => number of days to remind about (defaults to 7)
  * tracker  => id of tracker (defaults to all trackers)
  * project  => id or identifier of project (defaults to all projects)
  * users    => comma separated list of user ids who should be reminded

Example:
  rake redmine:send_reminders days=7 users="1,23, 56" RAILS_ENV="production"
END_DESC

namespace :redmine do
  task :send_reminders => :environment do
    options = {}
    options[:days] = ENV['days'].to_i if ENV['days']
    options[:project] = ENV['project'] if ENV['project']
    options[:tracker] = ENV['tracker'].to_i if ENV['tracker']
    options[:users] = (ENV['users'] || '').split(',').each(&:strip!)
    
    Mailer.reminders(options)
  end
end