view app/models/tracker.rb @ 1082:997f6d7738f7 bug_531

In repo controller entry action, show the page for the file even if it's binary (so user still has access to history etc links). This makes it possible to use the entry action as the default when a file is clicked on

# Redmine - project management software
# Copyright (C) 2006-2011  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.

class Tracker < ActiveRecord::Base
  before_destroy :check_integrity
  has_many :issues
  has_many :workflows, :dependent => :delete_all do
    def copy(source_tracker)
      Workflow.copy(source_tracker, nil, proxy_owner, nil)
    end
  end

  has_and_belongs_to_many :projects
  has_and_belongs_to_many :custom_fields, :class_name => 'IssueCustomField', :join_table => "#{table_name_prefix}custom_fields_trackers#{table_name_suffix}", :association_foreign_key => 'custom_field_id'
  acts_as_list

  validates_presence_of :name
  validates_uniqueness_of :name
  validates_length_of :name, :maximum => 30

  named_scope :named, lambda {|arg| { :conditions => ["LOWER(#{table_name}.name) = LOWER(?)", arg.to_s.strip]}}

  def to_s; name end

  def <=>(tracker)
    name <=> tracker.name
  end

  def self.all
    find(:all, :order => 'position')
  end

  # Returns an array of IssueStatus that are used
  # in the tracker's workflows
  def issue_statuses
    if @issue_statuses
      return @issue_statuses
    elsif new_record?
      return []
    end

    ids = Workflow.
            connection.select_rows("SELECT DISTINCT old_status_id, new_status_id FROM #{Workflow.table_name} WHERE tracker_id = #{id}").
            flatten.
            uniq

    @issue_statuses = IssueStatus.find_all_by_id(ids).sort
  end

private
  def check_integrity
    raise "Can't delete tracker" if Issue.find(:first, :conditions => ["tracker_id=?", self.id])
  end
end