view app/models/issue_status.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 IssueStatus < ActiveRecord::Base
  before_destroy :check_integrity
  has_many :workflows, :foreign_key => "old_status_id"
  acts_as_list

  before_destroy :delete_workflows
  after_save     :update_default

  validates_presence_of :name
  validates_uniqueness_of :name
  validates_length_of :name, :maximum => 30
  validates_inclusion_of :default_done_ratio, :in => 0..100, :allow_nil => true

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

  def update_default
    IssueStatus.update_all("is_default=#{connection.quoted_false}", ['id <> ?', id]) if self.is_default?
  end

  # Returns the default status for new issues
  def self.default
    find(:first, :conditions =>["is_default=?", true])
  end

  # Update all the +Issues+ setting their done_ratio to the value of their +IssueStatus+
  def self.update_issue_done_ratios
    if Issue.use_status_for_done_ratio?
      IssueStatus.find(:all, :conditions => ["default_done_ratio >= 0"]).each do |status|
        Issue.update_all(["done_ratio = ?", status.default_done_ratio],
                         ["status_id = ?", status.id])
      end
    end

    return Issue.use_status_for_done_ratio?
  end

  # Returns an array of all statuses the given role can switch to
  # Uses association cache when called more than one time
  def new_statuses_allowed_to(roles, tracker, author=false, assignee=false)
    if roles && tracker
      role_ids = roles.collect(&:id)
      transitions = workflows.select do |w|
        role_ids.include?(w.role_id) &&
        w.tracker_id == tracker.id &&
        ((!w.author && !w.assignee) || (author && w.author) || (assignee && w.assignee))
      end
      transitions.collect{|w| w.new_status}.compact.sort
    else
      []
    end
  end

  # Same thing as above but uses a database query
  # More efficient than the previous method if called just once
  def find_new_statuses_allowed_to(roles, tracker, author=false, assignee=false)
    if roles.present? && tracker
      conditions = "(author = :false AND assignee = :false)"
      conditions << " OR author = :true" if author
      conditions << " OR assignee = :true" if assignee

      workflows.find(:all,
        :include => :new_status,
        :conditions => ["role_id IN (:role_ids) AND tracker_id = :tracker_id AND (#{conditions})",
          {:role_ids => roles.collect(&:id), :tracker_id => tracker.id, :true => true, :false => false}
          ]
        ).collect{|w| w.new_status}.compact.sort
    else
      []
    end
  end

  def <=>(status)
    position <=> status.position
  end

  def to_s; name end

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

  # Deletes associated workflows
  def delete_workflows
    Workflow.delete_all(["old_status_id = :id OR new_status_id = :id", {:id => id}])
  end
end