Redmine 3.4.4

app/models/issue_priority.rb

@@ -0,0 +1,68 @@
+# 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 IssuePriority < Enumeration
+  has_many :issues, :foreign_key => 'priority_id'
+
+  after_destroy {|priority| priority.class.compute_position_names}
+  after_save {|priority| priority.class.compute_position_names if (priority.position_changed? && priority.position) || priority.active_changed?}
+
+  OptionName = :enumeration_issue_priorities
+
+  def option_name
+    OptionName
+  end
+
+  def objects_count
+    issues.count
+  end
+
+  def transfer_relations(to)
+    issues.update_all(:priority_id => to.id)
+  end
+
+  def css_classes
+    "priority-#{id} priority-#{position_name}"
+  end
+
+  # Clears position_name for all priorities
+  # Called from migration 20121026003537_populate_enumerations_position_name
+  def self.clear_position_names
+    update_all :position_name => nil
+  end
+
+  # Updates position_name for active priorities
+  # Called from migration 20121026003537_populate_enumerations_position_name
+  def self.compute_position_names
+    priorities = where(:active => true).sort_by(&:position)
+    if priorities.any?
+      default = priorities.detect(&:is_default?) || priorities[(priorities.size - 1) / 2]
+      priorities.each_with_index do |priority, index|
+        name = case
+          when priority.position == default.position
+            "default"
+          when priority.position < default.position
+            index == 0 ? "lowest" : "low#{index+1}"
+          else
+            index == (priorities.size - 1) ? "highest" : "high#{priorities.size - index}"
+          end
+
+        where(:id => priority.id).update_all({:position_name => name})
+      end
+    end
+  end
+end