comparison app/models/.svn/text-base/issue_status.rb.svn-base @ 0:513646585e45

* Import Redmine trunk SVN rev 3859

+# redMine - project management software
+# Copyright (C) 2006  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", :dependent => :delete_all
+  acts_as_list
+
+  validates_presence_of :name
+  validates_uniqueness_of :name
+  validates_length_of :name, :maximum => 30
+  validates_format_of :name, :with => /^[\w\s\'\-]*$/i
+  validates_inclusion_of :default_done_ratio, :in => 0..100, :allow_nil => true
+
+  def after_save
+    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)
+    if roles && tracker
+      role_ids = roles.collect(&:id)
+      new_statuses = workflows.select {|w| role_ids.include?(w.role_id) && w.tracker_id == tracker.id}.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)
+    if roles && tracker
+      workflows.find(:all,
+                     :include => :new_status,
+                     :conditions => { :role_id => roles.collect(&:id), 
+                                      :tracker_id => tracker.id}).collect{ |w| w.new_status }.compact.sort
+    else
+      []
+    end
+  end
+  
+  def new_status_allowed_to?(status, roles, tracker)
+    if status && roles && tracker
+      !workflows.find(:first, :conditions => {:new_status_id => status.id, :role_id => roles.collect(&:id), :tracker_id => tracker.id}).nil?
+    else
+      false
+    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
+end