Redmine 3.4.4

app/models/issue_status.rb

@@ -0,0 +1,122 @@
+# Redmine - project management software
+# Copyright (C) 2006-2017  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
+  include Redmine::SafeAttributes
+
+  before_destroy :check_integrity
+  has_many :workflows, :class_name => 'WorkflowTransition', :foreign_key => "old_status_id"
+  has_many :workflow_transitions_as_new_status, :class_name => 'WorkflowTransition', :foreign_key => "new_status_id"
+  acts_as_positioned
+
+  after_update :handle_is_closed_change
+  before_destroy :delete_workflow_rules
+
+  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
+  attr_protected :id
+
+  scope :sorted, lambda { order(:position) }
+  scope :named, lambda {|arg| where("LOWER(#{table_name}.name) = LOWER(?)", arg.to_s.strip)}
+
+  safe_attributes 'name',
+    'is_closed',
+    'position',
+    'default_done_ratio'
+
+  # 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.where("default_done_ratio >= 0").each do |status|
+        Issue.where({:status_id => status.id}).update_all({:done_ratio => status.default_done_ratio})
+      end
+    end
+
+    return Issue.use_status_for_done_ratio?
+  end
+
+  # Returns an array of all statuses the given role can switch to
+  def new_statuses_allowed_to(roles, tracker, author=false, assignee=false)
+    self.class.new_statuses_allowed(self, roles, tracker, author, assignee)
+  end
+  alias :find_new_statuses_allowed_to :new_statuses_allowed_to
+
+  def self.new_statuses_allowed(status, roles, tracker, author=false, assignee=false)
+    if roles.present? && tracker
+      status_id = status.try(:id) || 0
+
+      scope = IssueStatus.
+        joins(:workflow_transitions_as_new_status).
+        where(:workflows => {:old_status_id => status_id, :role_id => roles.map(&:id), :tracker_id => tracker.id})
+
+      unless author && assignee
+        if author || assignee
+          scope = scope.where("author = ? OR assignee = ?", author, assignee)
+        else
+          scope = scope.where("author = ? AND assignee = ?", false, false)
+        end
+      end
+
+      scope.distinct.to_a.sort
+    else
+      []
+    end
+  end
+
+  def <=>(status)
+    position <=> status.position
+  end
+
+  def to_s; name end
+
+  private
+
+  # Updates issues closed_on attribute when an existing status is set as closed.
+  def handle_is_closed_change
+    if is_closed_changed? && is_closed == true
+      # First we update issues that have a journal for when the current status was set,
+      # a subselect is used to update all issues with a single query
+      subquery = Journal.joins(:details).
+        where(:journalized_type => 'Issue').
+        where("journalized_id = #{Issue.table_name}.id").
+        where(:journal_details => {:property => 'attr', :prop_key => 'status_id', :value => id.to_s}).
+        select("MAX(created_on)").
+        to_sql
+      Issue.where(:status_id => id, :closed_on => nil).update_all("closed_on = (#{subquery})")
+
+      # Then we update issues that don't have a journal which means the
+      # current status was set on creation
+      Issue.where(:status_id => id, :closed_on => nil).update_all("closed_on = created_on")
+    end
+  end
+
+  def check_integrity
+    if Issue.where(:status_id => id).any?
+      raise "This status is used by some issues"
+    elsif Tracker.where(:default_status_id => id).any?
+      raise "This status is used as the default status by some trackers"
+    end
+  end
+
+  # Deletes associated workflows
+  def delete_workflow_rules
+    WorkflowRule.where(:old_status_id => id).delete_all
+    WorkflowRule.where(:new_status_id => id).delete_all
+  end
+end